All LangChain Python integration providers

10ML Perfume Finder provides read-only LangChain tools for searching perfumes, notes, accords, similar scents, and alternatives with no API key.

HSM-backed secrets, signing, memory, and automations for LangChain agents.

Typed, validated coordination packets for LangChain multi-agent workflows.

Checks each agent tool call against ACGS constitution rules before it runs: blocked calls are denied, review rules pause the agent with an interrupt.

Custom AI integration platform for enterprise workflows.

Chat Completions model integration using Ace Data Cloud application credentials and endpoint defaults.

Local, offline-capable Microsoft Word (.docx) redlining and parsing tools for LLM agents.

Portable, high-performance vector database for embedded, edge, and cloud AI applications.

Discovery and trust registry tools for verifying counterpart AI agents before they transact.

OpenAI-compatible router that sends each request to the model scoring best for the task on AI Stupid Level's benchmarks, using your own provider keys.

AI gateway for cost control, BYOK routing, and multi-provider model access.

Verify signed ALEX Evidence Packages in LangChain and LangGraph workflows against an external trust anchor, failing closed on errors.

Governed tool execution for LangChain agents: exposes a self-hosted Algenta decision engine as BaseTools with policy-gated execution.

AI-scored financial news and SEC Form 4 insider events for agents and RAG.

Advertising platform for GPT applications and AI services.

Real-time, distributed NoSQL database built for speed and scale.

Open event-based protocol for connecting LangGraph agents to any frontend.

Signed, independently verifiable action records for agent tool calls, chained planned to confirmed.

Agent Pulse prices model, tool, and failed calls in LangChain and LangGraph runs per user, request, and agent, and budgets can stop calls before they are sent.

DynamoDB, Cosmos DB and Firestore checkpointers with bounded history and a long-term memory hook, plus semantic-search stores.

Pay-per-call web, data, crypto, memory, and inbox tools for agents, paid with a credit token or USDC via x402.

Runtime budget gate that blocks LLM calls that would exceed spend limits.

API-first email infrastructure for AI agents with optional end-to-end encryption.

Gate LangChain tools behind human approval in Slack or Microsoft Teams.

Persistent agent identity with email, encrypted vault, and audit trail.

Real phone numbers for AI agents: outbound calls, inbound SMS, webhooks, and provisioning.

Inbox-as-an-API platform for AI agents — sending, replying, drafts, attachments, and inbound webhooks.

Governance and observability for LangChain and LangGraph agents.

Telephony platform for AI agents with messaging, voice calls, and phone number management.

Web scraping with natural language queries.

Hosted long-term memory tools and BaseStore for LangChain and LangGraph agents.

Live web search for agents, free by default with no API key, plus pay-per-call Extract and Render for full pages and JS sites.

Tool that checks an agent's completion claim against named files, JSON files, and URLs.

Tamper-evident logging and audit trails for LangChain LLM, tool, and chain events.

Governance infrastructure for AI systems.

Automatic task-time routing to executable MCP and provider capabilities, with failure redecision and outcome reporting.

Per-agent identity, scoped API access, and tamper-evident audit logging for LangChain agents.

AI21 Labs' Jurassic models for text generation.

Unified API for multiple AI and ML services.

Data integration platform for ETL and ELT pipelines.

Context cloud retriever for LangChain.js agents.

Alibaba's cloud computing and AI services.

PostgreSQL + pgvector store where row-level security gates retrieval on a cached result's derivation lineage, not only content tags.

Payment infrastructure for AI agent services via x402 protocol.

Browser automation and web scraping tools.

Convert websites into clean, structured data at scale with AI-powered search and research.

LangChain embeddings on the Apple Neural Engine via ANEForge.

Browser tools backed by persistent local browser profiles, keeping cookies, storage, fingerprint and exit IP stable across agent runs.

Claude models for advanced reasoning and conversation.

Unified interface for OpenAI, Anthropic, Google, and local models.

Search a catalog of data and scraping APIs, read an API schema and its USD price, then run it.

Loads PDF, Word, Excel, PowerPoint, e-mail, and web pages as Markdown through the AnyToMarkdown API, with OCR for scanned files.

OpenAI-compatible API providing access to multiple LLMs.

OpenAI-compatible API gateway for models from multiple providers.

Web scraping and automation platform.

On-device Apple Intelligence chat model with no API key or network call.

Residential proxy for agents with native x402 payments (USDC on Base).

Multi-model database (graph, document, key-value, time-series, vector) with Cypher, SQL, and Gremlin support.

YouTube transcript search and entity resolution tools with timestamped evidence, speaker filters, and sponsored or organic passage classifications.

Export and verify portable execution integrity artifacts for LangChain runs.

Open-access archive for scholarly articles.

React framework for building AI chat interfaces with streaming support and LangGraph integration.

DataStax Astra DB vector database platform.

Runtime detection of prompt injection, tool poisoning, and unsafe tool calls using Agent Threat Rules.

AI agent governance with audit trails, policy enforcement, and compliance.

Tools for a hosted website chat agent: query indexed pages and product feeds, update the knowledge base, and read leads and chats.

Email toolkit that provisions an agent-owned inbox by proof of work and sends and receives over JMAP.

Per-agent tool-call and subagent permission enforcement with a hash-chained audit log.

Pay-per-call LangChain tools over x402 for OCR, analysis, transcription, browsers, and agent inboxes.

Dedicated per-customer LLM endpoints with an OpenAI-compatible API.

Amazon Web Services cloud platform and AI services.

Japanese listed-company financials from EDINET filings for LangChain agents.

Security gateway for AI agents: govern tool calls and model turns with allow, deny, and redact policies.

Microsoft Azure AI and cognitive services.

Baidu's AI services and language models.

Self-hostable or managed sandboxes for running AI-generated code.

ML model deployment and serving platform.

Local prompt-injection and jailbreak detection for LLM apps and agents.

Source-verified regulatory and compliance intelligence for LangChain agents.

Web search and fetch API backed by its own crawler and index.

PII detection and protection for AI applications, including chain and RAG pipelines.

High-performance analytics and data processing.

Tools that check an x402 seller against BotsRated's latest unpaid probe before an agent pays, plus an optional paid check capped by a budget.

Tools for live websites: read Bowmark's typed function library for a task or site, or run a short script for structured data.

Cloud content management and collaboration.

LLM gateway with LangChain chat model and embeddings integrations.

Web data platform and proxy services.

Browser agents and cloud browsers for AI applications.

Headless browser automation platform.

Multilingual audio and localization services supporting 140+ languages.

Callin.io places outbound phone calls with an AI voice agent toward a stated objective and returns status, summary, and transcript.

Run Python and JavaScript code in isolated WebAssembly sandboxes.

Loads timestamped video transcript passages into LangChain Documents with playback citations and optional asynchronous transcription.

Open US healthcare jobs, posted pay and employers from CareJobs.Now, a free job board, with no API key.

AI compute platform with specialized processors.

Marketplace of real residential Chrome sessions for AI agents.

OpenAI-compatible LLM gateway that serves models from many labs below list price.

A chat model that sends each request to one of several LangChain chat models, chosen by a routing strategy defined in application code.

Open-source embedding database for AI apps.

Versioned vector store with snapshot queries and branch/merge speculative memory for LangChain agents.

Verifies a factual claim against live web evidence and returns a stance, confidence, and an offline-verifiable signed receipt.

The scraper for SEO and AI SEO.

React framework with prebuilt UI components for AI copilots.

Execution-safety middleware that checks each tool call against a policy, holds consequential ones for a human, and leaves a receipt.

Web infrastructure and security services.

In-process OLAP SQL engine powered by ClickHouse, with a LangChain vector store.

Provenance-invalidated semantic cache above any vector store, serving attributed claim payloads.

Distributed SQL database with native vector support and C-SPANN indexes.

Memory layer for AI applications and agents.

Loads local JSON exports of Reddit and Hacker News threads made with the Comment Scraper browser extension, one Document per comment.

Runtime compliance enforcement for AI agents under African data protection and financial-sector regulations.

Language AI platform for enterprise applications.

Confident AI is an LLM observability platform. confident-trace traces LangChain runs through the callback system and exports them over OpenTelemetry.

Context management for AI applications.

Contextual AI and language understanding.

Live web search, scraping, extraction, document parsing, and brand intelligence tools for agents.

Web search API that returns result pages as Markdown; the package provides a search tool (ContextFetchSearch) and a retriever (ContextFetchRetriever).

Context compression model that removes low-value tokens from retrieved documents and tool outputs while keeping identifiers intact.

React stack and Python middleware for Deep Agents, LangGraph agents, FastAPI, and generative UI.

Physics-based 3D agent-economy simulation for benchmarks and training.

NoSQL cloud database platform.

Distributed SQL database for machine data.

Open-source Firecrawl-compatible web scraper for LLM-ready markdown, HTML, or JSON.

Open .cv PDF/A-3u format with embedded Markdown, HTML, and JSON Resume payloads.

Privacy-first web search and crawling tools for LangChain agents.

Google and public LinkedIn data as structured JSON for search and agents.

Vector store for CyborgDB, an encrypted vector database with metadata filtering and hybrid (BM25) search.

Multi-model multi-protocol API gateway with OpenAI-compatible base URL support.

Real-time AI data platform and API.

Web scraping and Google search tools plus a document loader, backed by the Decodo Web Data API.

Pay-per-call x402 APIs for agents (web search, price feeds, site audits) settled in USDC on Base, wrapped as LangChain tools.

Unified analytics platform for big data and ML.

Monitoring and analytics platform for applications.

Secure and elastic infrastructure for running your AI-generated code.

Graph context middleware and tools for Deep Agents that record and recall workflow findings using embedded LadybugDB.

AI Firewall pre-moderation and post-moderation for LangChain agents.

Vector database for deep learning applications.

Advanced reasoning and coding AI models.

Agent payment authorization infrastructure with AP2 mandates and x402 handling.

Real-time document backend with retriever, vector store, and research tool.

Dell Technologies AI and computing solutions.

Keyless DEX market-data API from CoinPaprika: token search, market data, pool discovery, and OHLCV price history.

Structured web knowledge for developers and LLM applications.

Deterministic DNS and email-authentication checks: SPF, DMARC, DKIM, propagation, and blacklist.

DOM AST pruning that loads web pages as compact Markdown with no API key.

Document processing and AI integration.

Document loader backed by docling.rs that converts PDFs, Office files, HTML, EPUB, e-mail, scans, and more into LangChain Documents.

Document AI and semantic processing.

OpenAI-compatible inference platform with first-class batch-inference support.

Discord analytics and moderation tools.

Reversible, certified context compression middleware for LangChain and LangGraph.

Reasoning observability and regression testing for agent runs.

Multi-model routing that bills the cheapest winning answer behind an OpenAI-compatible proxy.

Agent middleware for sub-100ms hybrid dense and sparse vector tool retrieval over zvec, cutting prompt token overhead from tool lists.

Cloud sandboxes for running AI-generated code.

EconDash tools provide time series data for macroeconomics, markets, labor, demographics, real estate, energy, and other domains.

Text-to-video, image-to-video and image generation tools for the emaki API (Seedance 2.5 and Seedance 2.0); requires an emaki API key.

Cloud content collaboration and AI-powered search platform.

Distributed search and analytics engine.

Specialized AI model hosting for open, proprietary, and custom stacks, plus GPU Cloud and hosted AI agents.

Document loader that turns URLs or whole sites into Documents with a render_quality score on every read.

Cognitive memory infrastructure for AI agents: confidence scoring, contradiction detection, and memory lifecycle.

ERC20 token balances, allowances, transfers, approvals, and native wrap/unwrap, as execution plans an EOA can sign or a smart contract wallet can batch.

Verify an ERC-8004 agent's on-chain identity and reputation feedback, and prepare registry writes as execution plans.

AI-powered search engine for developers.

Read-only tools for source-cited public funding, covered-bank and market-liquidity research from Seiche, LiquiLens and Undertow.

Turns websites into clean, LLM-ready data for scraping, crawling, and search.

Cloud data warehouse with native vector search for similarity and RAG.

Graph database with ultra-low latency.

Document loader that reads scanned PDFs and images with FastOCR in 100+ languages and returns text or a searchable PDF.

Fast and efficient AI model serving.

Technology intelligence feed for AI agents: security advisories, tech-stack changes, and compliance deadlines, classified hourly.

Pre-flight spend authorization for LangChain agents.

Safety checks for agents that pay: review transactions, tokens, wallet approvals, and paid APIs before signing or buying.

Google Search and YouTube search, video metadata, and transcript tools backed by the FlashData API.

Document to Markdown API and MCP server for PDF, Word, PowerPoint, Excel and HTML. OCR queue for large files. Hosted in Germany.

FlexAI serves open-weight models behind an OpenAI-compatible API.

Financial market data and analytics API.

Custom tool integration to retrieve verified knowledge graphs, market intelligence, and expert dossiers from the Fodda Context Layer.

Payment tool and budget middleware for agents paying x402 endpoints through Foliant channels, with per-agent spending budgets.

Football statistics, model probabilities, and Monte Carlo season projections for 90+ leagues.

Retriever, document loader and agent tool for FoxNose collections, with text, vector, hybrid and vector-boosted search over the Flux delivery API.

Future AGI is an open-source observability and evaluation platform for tracing LangChain and LangGraph runs.

Free LangChain tools to check whether an agent, MCP server, or API works, explain failures, follow changes, and verify cited quotes.

Prompt-driven engineering assistant.

Text to speech API: 23 languages, six voices, every render watermarked.

Governed marketplace tools for discovery, procurement, and signed gateway execution.

Knowledge extraction and NLP platform.

Web search with Google SERP results, page scraping, screenshots, URL-to-PDF, brand data, and website diagnostics via the Geekflare API.

GetYouTubeTranscript is an API for YouTube video transcripts (optionally with per-line timestamps) and YouTube search

GNews top headlines tool for current top news articles by category, country, and language from 80,000+ sources.

Long-term memory layer for AI agents with semantic storage and retrieval.

Free email API with transactional templates and consent-gated custom email.

Google's AI services and cloud platform.

Records candidate plans, scores, and rejection reasons as a LangGraph agent plans, then explains the decision in plain language.

Image generation submission and same-ID task retrieval tools provided by Ace Data Cloud for GPT Image.

OpenAI-compatible API gateway for models from multiple providers, with Chinese-language docs.

Single endpoint to multiple LLMs via serverless inference.

Self-healing API proxy that returns structured fix instructions when API calls fail.

Fact-checked quote attributions: a verdict on who said a quote, the source it was traced to, and MLA, APA or Chicago citations.

Graph-based retrieval augmented generation.

AI observability and monitoring platform.

Greenhouse-gas emission factors from public publishers (DEFRA, US EPA, ADEME, IPCC), with exact source cell, licence, and data version.

Sustainable AI computing platform.

GridGain persistence for LangGraph: a checkpointer for short-term thread state, a store for long-term cross-thread memory, and a node cache for compiled graphs.

Fast inference for open and proprietary language models.

Prediction markets platform on Base: trade YES/NO outcome shares.

On-chain work attestation for AI agents via MINT Protocol.

Unified AI gateway for 22+ models with OpenAI-compatible API.

Ultra-fast inference with specialized hardware.

Search stories, front page, and comment-thread retrievers for Hacker News.

Governance layer for AI agents with scoped sessions, encrypted secrets, hash-chained audit, and policy enforcement.

Video generation submission and same-ID task retrieval tools provided by Ace Data Cloud for HappyHorse.

Cross-chain asset exchange toolkit with sealed-bid intents for crypto, RWAs, and stablecoins.

Load Korean Hangul Word Processor HWP and HWPX documents into LangChain.

Independent, evidence-backed trust scores for AI agents.

LLM observability and monitoring platform.

Runtime AI security guardrails for LangChain and LangGraph middleware.

Deterministic, privacy-first context optimizer for compressing documents and retrieved chunks to a token budget.

Open-source long-term memory engine for AI agents.

Persistent, structured character memory for AI agents.

StructuredTools for public hiring signals, website technologies, jobs, Google Ads transparency, profiles, and bulk lookup quotes.

Ruble-billed OpenAI-compatible LLM gateway with 400+ models.

Remote MCP server that reduces agent token usage via a three-stage SOP workflow.

Open platform for ML models and datasets.

Web data API tools, loader, and search retriever for clean LLM-ready Markdown and structured data.

Web automation and scraping platform.

IBM Watson AI and enterprise solutions.

Start, stop, and monitor outbound contact-center campaigns on ICTContact or ICTDialer.

AI exam authoring and auto-grading: parse question papers, publish exams, and read gradebooks.

LangChain tools to send and track faxes through an ICTFax or ICTCore server.

Query ICTPBX extensions, DIDs, SIP trunks, tenants, and PBX statistics.

Cloud video rendering platform: render MP4 videos from VideoJSON specs.

Personal data retrieval tools and retriever for emails, messages, and files.

Self-hosted OpenAI-compatible gateway that enforces a dollar budget per agent run, refusing over-budget calls with HTTP 402.

Vector store backed by Infinispan, an in-memory distributed key/value data store, providing similarity search over embeddings with metadata filtering.

Vector, BM25, and hybrid retrieval over one engine on object storage.

Multimodal chat model with structured output over an OpenAI-compatible API.

Bi-temporal ledger memory with LangGraph checkpointer and store integrations.

Zero-setup Postgres and webhook provisioning for AI agents.

AI agent firewall — policy enforcement, PII redaction, human approval, and audit logs for tool calls.

Legal AI models, apps, and data.

Claim-level provenance and trust grading middleware for LangChain agents.

Long-running Linux VM sandboxes with pause, resume, and snapshots.

Automation server and CI/CD platform.

Enterprise NLP and healthcare AI platform.

Outcome-aware execution routing for AI agents across models, tools, and parameters.

LangChain tools for Kapa, a knowledge base that stays in sync and finds the right context for your agents.

Text-to-image and image-editing tool for the Kavel image API; text-to-image runs on a free tier without an API key.

Web search and page-fetch API built for AI agents, with a keyless free tier.

Web search, embeddings, and retrieval for agents with structured, citable sources.

Trust scoring and telemetry for AI tools and MCP servers.

Real-time analytics and database platform.

Korean natural language processing toolkit.

Connect LangChain chat models to KServe inference services on Kubernetes.

Kubernetes sandbox provider for deepagents.

Embedded graph database management system.

Runtime AI governance: policy enforcement and tamper-evident audit trails for agents.

Serverless database for RAG and Agents

Syntactic sugar and utilities for LangChain.

Arabic text post-processing for LLM outputs — diacritics restoration, number-to-word conversion, and dialect support.

Record and replay LangChain agent decisions while tools execute against the real filesystem.

Bias testing framework for language models.

LLM engineering platform and observability.

Privacy-safe synthetic financial data generation for Latin American fintech applications.

Tools to find B2B leads, find and verify work emails, check and research companies, and draft email campaigns that a person approves before sending.

Cloud sandboxes for AI agents with fast cold starts.

Spanish-language Mexican federal law Q&A with cited articles for LangChain agents.

Tools that set, list and delete alarms that ring on a phone, and ring a phone now, through LFG Alarm.

Alibaba Cloud's multi-model database service.

Real-time job market data and search.

Bitemporal agent memory with point-in-time recall for LangChain and LangGraph.

Unified interface for 100+ LLM APIs.

Identity and portable memory API for AI agents: BaseStore adapter for LangGraph long-term memory.

Real-time tennis scores, players and fixtures for ATP, WTA, Challenger and ITF.

MIT-licensed local document compressor for ContextualCompressionRetriever that keeps query-relevant content within a token budget.

Shortens long tool results locally before the model first sees them, avoiding repeated identical bytes in later model calls.

Lizard provides cloud sandboxes for running shell commands and file tools with LangChain Deep Agents.

LLM data management and observability.

Sub-second RAG retrieval regression testing and stability monitoring.

Native LangChain AgentMiddleware for signed decision evidence, policy enforcement, human approval, and guarded tool execution through LoopGrid Core.

Self-hosted OpenAI-compatible API server.

Independent web index that returns cleaned Markdown with canonical source URLs.

Local-first, MCP-native memory layer for LangChain and LangGraph.

A retriever and agent tools for citable search across scholarly papers, books, patents, standards and Wikipedia (plus Reddit, Telegram and Discord).

Solana memecoin intelligence tools: KOL feeds, coordination signals, deployer reputation, and alerts.

AI text-to-video, image-to-video, and image generation tools behind one API key.

Open-source relational database management.

Reversible PII anonymizer / deanonymizer for LangChain, a drop-in for the Presidio anonymizer. Indian identifiers included.

Mart provides public LinkedIn profile and company enrichment, contact refresh snapshots, posts and optional work-email lookup through a JSON API.

Retriever over a user's Membase memory: searches their Memories (hosted or local) and returns passages that cite the Memory they came from.

Real-time graph database platform.

Persistent, user-scoped memory for LangChain and LangGraph agents with retain/recall tools, graph nodes, and a BaseStore.

Structured, versioned long-term memory for AI agents.

Long-term agent memory with semantic, episodic, and procedural types.

Typed decisions (yes/no, choice, score) with calibrated probabilities from meraGPT Decider 1, as a Runnable, a tool, and agent middleware.

MeshArc is a web crawling API that returns pages as clean markdown, maps sites, searches the web, and reports page changes between crawls.

Managed vector search and retrieval.

Microsoft Azure AI and enterprise services.

Open-source vector database for AI applications.

AI layer for databases and data platforms.

Open-source document parsing for PDFs and office files into Markdown.

Agent memory tools and a LangGraph store for MinnsDB, a temporal graph database that records when each fact was true.

Multimodal search, ingest, and vector store for video, image, audio, and documents.

Verifies each LangChain or LangGraph tool call against the agent's delegated authority and records a signed evidence list per decision.

Experiment tracking and model registry.

Efficient open-source language models.

Serverless cloud computing for data science.

Alibaba's open-source model hub.

Autonomous crypto payments, cross-chain transfers, and X402 paywall negotiation for agents.

Document-based NoSQL database platform.

Cloud-hosted MongoDB with vector search.

Semantic search engine and vector store.

Long-term memory for AI conversations.

Web scraping APIs for rendered HTML, AI extraction, scraper reruns, and result management.

Image generation submission and same-ID task retrieval tools provided by Ace Data Cloud for Nano Banana.

Naver's AI services and language models.

AI cloud platform and infrastructure.

Callback handler that checks in when a LangGraph or LangChain run finishes so a signed webhook fires on missing or overrun runs.

Native graph database and analytics platform.

CatchAll web search for real-world business events as LangChain tools.

Sub-10ms in-RAM PII sanitization and security guardrail proxy for LLM APIs.

Search and index API for giving agents reliable context.

Decentralized AI computing network.

TrustGuard middleware that allows, blocks, reports, or transforms agent input, model output, and tool traffic.

Energy-aware AI inference with per-call energy and carbon metrics.

Web intelligence and data extraction.

x402-gated web surface markdown parser for token-efficient LLM ingestion.

Open-source embedding models and tools.

Local OS-enforced sandboxing with Landlock and Seatbelt.

Managed remote browser sessions for AI agents.

Captures LangChain and LangGraph runs, model calls, and tool activity for tracing and evaluation in Noveum.

Pre-execution authority enforcement for LangChain and LangGraph tool calls.

NVIDIA's AI computing platform and models.

Code interpreter sandboxes for running agent-generated code.

Distributed relational database system.

Oracle Cloud Infrastructure AI services.

Web search engine for AI agents with semantic search, domain filtering, and sub-100ms latency.

Run Large Language Models (LLMs) locally.

Web scraping, crawling, site mapping, batch extraction and cited web answers via the Olostep API.

Belief-tracking BaseStore for LangGraph with superseding writes and provenance.

Local-first persistent temporal memory retriever for LangChain agents.

GPT models and comprehensive AI platform.

Search and lookup tools over OpenAlex, a free index of scholarly works, authors, sources, and citations, plus a retriever.

Real-time governance for LangGraph and Deep Agents: policies, guardrails, HITL, and behavior rules.

Safe, Open, High-Performance — PDF for AI

ECM toolkits, loaders, and retrievers for Alfresco, Documentum, FileNet, and OnBase.

AI model training and fine-tuning platform.

OpenTelemetry instrumentation that records LangChain and LangGraph operations using OpenInference semantic conventions.

Tool for Openpath, an open directory of job openings and Austin local businesses returned as Markdown with no API key.

Unified API for models from multiple providers.

OpenSandbox backend for Deep Agents: run agent code and file operations in an isolated sandbox.

Managed Apache Solr with server-side embeddings and hybrid BM25 + kNN search.

Framework-agnostic language for portable agent definitions.

Cryptographic Proof-of-Time timestamps for LangChain LLM calls.

Pay-per-call OpenAI-compatible chat models via a local x402 proxy.

opsen runs agent sandboxes and proxies their model calls, so machine, model and tool spend land under one task id.

Oracle's AI and machine learning services.

Records which LangGraph node ran, in which superstep, and how it ended, into a trace that replays offline with the provider unreachable.

Licensed, rights-cleared content for RAG and agents with verifiable license keys.

Rust-powered PDF loader with element-disjoint RAG chunking.

Web scraping and proxy services.

AI-powered web search and content extraction for LLMs.

x402 payment firewall with provenance tagging for prompt-injection detection.

Deterministic local PDF/DOCX parsing with page coordinates and section metadata for RAG.

Real-time news and media monitoring.

Authorization and access control platform.

AI-powered search and reasoning engine.

Semantic search over free stock photos from Unsplash, Pexels, Pixabay, and more, returning each photo with license and credit.

Pidgeon Toolkit gives agents mail inbox tools to create addresses, read and search messages, wait for verification codes, send, reply, and hand off threads.

Reversible PII anonymization middleware for LangChain agents.

Pre-inference prompt quality scoring via a LangChain callback handler.

Authorization and access control platform.

Agent-to-agent task marketplace for delegating and completing specialized work.

Managed vector database for ML applications.

PinkToolkit provides LangChain tools for Pink Agentic AI Payments so agents can request and track sandbox payments within spending rules.

AI-powered content moderation platform.

Agent-native headless browser with Set of Mark (SOM) structured UI extraction.

LangChain tools for sending SMS messages and placing voice calls through the Plivo communications APIs.

Google Play Store app details and user reviews retrievers for LangChain.

PolarDB for PostgreSQL provides in-database embeddings, a LangChain vector store, and SQL-based registration and invocation of external AI models.

Verified news intelligence tools and retriever for LangChain agents.

Document-loaders for various file formats.

Vector store for Polign, object-store-native vector database, with metadata filtering, MMR, and BM25 hybrid search.

Portable persona loading, legacy migration, and boundary-aware tool filtering for LangChain agents.

LangGraph BaseStore backed by the ppl personal CRM. Agent memories are stored as notes on contacts' timelines; search uses ppl's ranked retrieval.

Autonomous Solana USDC payments for HTTP 402 resources via the x402 protocol.

AI gateway and observability platform.

Checks whether a cold or marketing email to an address is legal in eight countries, and returns the deciding rule, footer requirements and a signed receipt.

AI model security and compliance platform.

PrintFriendly reads web pages through its API and returns clean Markdown, text, or HTML without ads or page clutter.

Deterministic tool policy and HITL gates for LangGraph tool calls.

Wallets and payments for AI agents.

Logic programming language integration.

Sub-millisecond PII detection and prompt injection firewall for LangChain. Zero network, zero GPU, pure Rust core via PyO3.

Runtime prompt-injection firewall for inputs, tool results, and model outputs.

ProvaredMiddleware checks LangChain tool calls against passkey-signed permissions and writes signed, hash-chained receipts.

Proxmint residential, datacenter and mobile proxies: a page-fetch tool and a document loader with country, city and ASN targeting and sticky sessions.

Residential proxy tool for web scraping with geo-targeted IPs.

Residential proxy tool and document loader for reliable web fetching.

Phone approvals for LangGraph and LangChain agents: ask on the user's phone and resume on Approve or Deny; no answer means no action.

PDF processing optimized for LLM ingestion.

Vector similarity search engine.

Qdrant's BaseStore implementation for LangGraph long-term memory.

Web scraping, SERP search, crawling, and ready-made collectors through residential proxies.

Real-time web search API for AI applications.

Scalable model serving framework.

Chat message history stored in a Recall session, so Recall also learns about the user from it.

Long-term memory for create_agent agents: adds what Recall learned about the user to the system prompt and records each exchange.

Retrieves the facts Recall learned about a user, and the user's matching messages, as documents.

Tools for agents to search Recall memory, ask it a question about the user, and save a fact.

Search posts, subreddit feeds, and comment-tree retrievers for Reddit.

In-memory data structure store and cache.

Identity and agentic-attack-surface threat intelligence.

AI memory and context management.

Trust-evaluated retrieval from PostgreSQL with pgvector, verdict metadata, and explicit abstention.

Cloud platform for running ML models.

Governed email platform for AI agents.

Google Search results as a LangChain tool via a single API request.

Observability, tracing, evaluation, and gateway routing for LangChain applications.

Python automation and RPA platform.

Self-hosted vector database and key-value store in a single Go binary.

Read-only tools for querying public RustChain network data.

Disposable devboxes for running code in isolated environments.

Pre-execution budget authority middleware for model calls, tool calls, and agent loops.

GPU cloud platform for AI workloads.

Firecracker microVM sandboxes for Deep Agents from Runtime.

Rust-based drop-in Spark replacement with Spark Connect and a Sail SQL toolkit for LangChain agents.

Prompt-injection detection as a LangChain callback handler.

Web scraping API for AI agents and data collection.

CRM platform and business automation.

AI platform with specialized hardware.

Enterprise software and AI solutions.

Sovereign AI platform for Indian languages with chat, speech, and translation.

Real-time search for AI agents across the web, commerce, video, social, jobs, and more, plus clean text extraction from any URL.

ScaleDown adds Constrained Decoding Models to LangChain agents as middleware for summarization, classification, compression, and structured records.

Retriever that returns only SQL schema tables the calling principal may read, for Postgres, Oracle, MySQL, and SQL Server.

AI-powered web scraping framework.

Web scraping API and proxy service.

Web scraping and search API with headless browsers, proxies, and AI extraction.

Ranks live GPU placement offers (8x H100 80GB, RunPod) by price and freshness; billed per successful match via a prepaid key or per-call via x402/USDC on Base.

Unified search API across Google, Bing, Baidu, YouTube, and more.

Seedance video generation submission and same-ID task retrieval tools provided by Ace Data Cloud.

Zero-knowledge secrets manager. Scopes which credentials a model call or a given tool call may use.

Three drop-in adapters that bring Semantica’s context graph and hybrid search into LangChain chains and LangGraph agents.

send21 prepares non-custodial pay links priced in 161 fiat currencies; payers sign in their own wallets and API keys cannot move funds.

PostgreSQL-compatible vector database with native ANN and hybrid search.

Structured search tools for web, news, maps, images, shopping, video, and travel.

Google search tools returning Markdown or structured results, with a retriever and webpage document loader.

AI search API that returns extracted, answer-ready web content.

Multi-engine web search API for AI applications and data aggregation.

Decentralized AI inference protocol.

High-performance distributed NoSQL database for real-time AI.

MySQL 9 VECTOR store for ShannonBase, self-hosted MySQL, and MySQL HeatWave.

Satellite-measured ground motion (subsidence/uplift) for any US address.

Tool-call governance with policy evaluation, human approval, and tamper-evident audit trails.

Cryptographically signed AI Decision Receipts for agent actions.

Ed25519-signed receipts for LangChain tool lifecycle events with a local hash-chained audit log.

MCP-backed tools to create, edit, and measure draft landing pages and sites.

Distributed database with vector capabilities.

Sandboxed skill execution for LangChain agents.

x402-native clean web reader for AI agents.

Capture website screenshots as PNG, JPEG, WebP, or PDF.

Cloud data platform and analytics.

High-accuracy multilingual speech-to-text API.

Markdown-native chat message history with hybrid RAG and RLM retrieval.

Static documentation generator with retrieval-ready artefacts for LLM applications.

Open-source LLM observability with a LangChain and LangGraph callback handler.

Authorization system for fine-grained permissions filtering in RAG applications.

AI-powered web scraping platform with real browsers, CAPTCHA solving, and structured data extraction.

Checks stablecoin payment tool calls before they run and holds or rejects those that break spend, recipient, or asset rules.

Search questions and retrieve answers from the Stack Exchange network.

Capability marketplace tools for business data, compliance, and document extraction.

Enterprise knowledge graph platform.

Code-mode middleware that runs agent-written TypeScript programs on submilli-server under a policy and can call the agent's own tools.

Context-aware semantic LLM cache that blends conversation history into similarity lookup.

Suno music generation submission and same-ID task retrieval tools provided by Ace Data Cloud.

Load transcripts and metadata from YouTube, TikTok, and more.

Deterministic security and compliance callbacks for LangChain agents.

Verifiable AI agent intelligence from a swarm of autonomous agents.

Local-first chat message history stored in SQLite with no cloud dependencies.

Loads local PDFs as Markdown, one Document per page, with table, chart, and OCR support.

Persistent Firecracker microVM sandboxes for Deep Agents.

Multi-model database for modern applications.

Public message board for AI agents to read rooms, post and reply, check updates, list open tasks, and store optional signed notes.

Persistent long-term memory layer for AI agents.

Trust infrastructure for autonomous agent transactions.

OpenAI-compatible LLM gateway routing to multiple model providers.

Data visualization and business intelligence.

Tools for verified places to eat, food festivals with dates, and bookable food tours and stays in 224 cities, from TableJourney's public MCP server.

Project management platform for agile teams.

Unified SERP API across 33 search engines with geo-targeting.

Pay-per-call tools (x402, USDC on Base) for contract scans, address risk, on-chain reads, and web or DNS utilities.

Tanvo provides AI image, video, and music generation tools for agents.

AI-optimized search API for applications.

Deterministic governance middleware for LangChain agents with policy enforcement and audit evidence.

W-2 event staffing for the US and Canada: coverage, rates, lead times, and compliance lookups.

Price-capped human-in-the-loop tools that delegate agent work to vetted experts.

Task-scoped authorization for LangChain agents that limits tools, arguments, and time before execution, including delegated subsets.

Data infrastructure for ML applications.

Autonomous AI platform with integrated vector search.

Signed trust labels and taint-tracking that gate tool calls on untrusted context.

OpenAI-compatible AI inference APIs for chat models and embeddings.

OpenAI-compatible gateway for chat models with streaming, tools, and structured output.

Observability and customer analytics for production AI agents.

Search tool that queries Google, Bing, Yandex, and DuckDuckGo through the ThorData SERP API.

Globally-distributed S3-compatible object storage with a forkable LangGraph checkpointer.

Entity resolution and data matching.

Finance and SEC EDGAR tools with x402 micropayments for LangChain agents.

Detect, extract, and transform PII in text, JSON, HTML, and files.

Semantic layer for data integration and querying.

Fast inference for open-source models.

OpenAI-compatible API gateway for DeepSeek, Qwen, Kimi, GLM, MiniMax, and more.

Managed TikTok, Instagram, and YouTube accounts as LangChain tools and MCP.

AI cost metering, budget alerts, and spending caps for LangChain LLM calls.

Extended toolkit for LangChain applications.

TopxAI is an API gateway that serves Claude, GPT, Grok, GLM, Kimi, and DeepSeek models through one OpenAI-compatible API.

AI Agent Control Plane.

Asks a signer to allow, deny, or hold each tool call before it runs, and records a signed, offline-verifiable hash-chained log.

ML platform for model deployment.

Evaluation framework for LLM applications.

Privacy-preserving OpenAI-compatible LLM router.

LangChain tools for Truth Bear GAUGE official-source signal data.

Governed OpenAI-compatible endpoint for model access, policy checks, and usage accounting.

LangChain agent middleware that keeps recent human-anchored conversation turns together with matching tool-call and tool-result messages.

TwittrAPI provides REST APIs and LangChain tools for read-only access to public X (Twitter) tweets, profiles, timelines, lists, communities, and trends.

Strongly-typed database for complex, relational data and knowledge graph applications.

Jev classifier for agent decisions: model routing and tool-risk gating.

Vector store integration for Typesense with vector and hybrid search, metadata filtering, scoring, MMR, and sync & async APIs.

Data extraction and processing platform.

Currency exchange API with 593+ fiat, crypto, and commodity rates.

Live Uniswap V2 swap quotes and unsigned transactions for swaps, approvals, and liquidity, on any EVM chain.

Document processing and data extraction.

Tools to publish, schedule and track social media posts on TikTok, Instagram, YouTube, LinkedIn, X, Facebook and other platforms through the Upload-Post API.

Document AI and OCR platform.

Secure cloud sandboxes with a full Linux shell for agent code execution.

Tools that read web pages after their JavaScript runs, as Markdown, plus page metadata, console errors and Lighthouse audits; and a document loader.

AI platform for healthcare applications.

AI-powered data analysis platform.

High-performance, exabyte-scale data platform with native vector indexing.

Runtime security and behavioral monitoring for AI agents.

Visual data management system.

Deterministic LLM context compression with a regex retention whitelist for structured tokens.

Text-to-image tool for the Veida AI API that runs on its anonymous free tier, so it needs no API key or account.

Neural search platform with built-in understanding.

Managed vector database with storage-only pricing and automatic, optimizer-selected indexing.

Vector database and semantic search.

Veqen records token usage and estimated AI costs by customer and feature, with local budget checks before model calls.

Reliability and observability callback handler for AI agent operators.

Agent-native email verification with deliverability verdicts for leads and signups.

Verdix checks EVM address risk on Base before fund transfers and returns safe, caution, or danger with reasons using x402 USDC payments.

Security scanner for RAG document loaders to block data poisoning and prompt injection.

Ephemeral, isolated Linux sandboxes for running untrusted code.

Text-embedding API (Forge) with turbo, pro, and ultra model tiers.

Embedding models and semantic search.

Runtime authorization for tool calls with ALLOW, REVIEW, or BLOCK decisions, risk scores, and optional human approval.

Image, video, and catalog model generation tools for the WaveSpeed AI marketplace.

Tools that give an agent a Wayza address to ask people or other AIs questions, get recorded answers, and answer Wayza chat links.

Open-source vector database with GraphQL.

URL metadata, Markdown, contact discovery, and SEO audit tools for LangChain agents.

Web page extraction API returning clean Markdown plus fixed-schema JSON for article metadata, product prices and tables.

Hosted API that converts web pages to clean Markdown and heading-aware, token-bounded chunks; Web2MDLoader yields one Document per chunk or per page.

Document loader that crawls a website or a single page with WebCrawlerAPI and returns one Document per page as markdown or HTML.

Global news search with semantic ranking and rich filters for LangChain agents.

Retriever backed by Whoosh, a pure-Python full-text search library with BM25F ranking and on-disk indexes.

Wity answers fixed-option questions about text in one pass, with a probability per option, for model routing, tool-risk checks and classification.

Record, diff, and regression-test LangChain runs with a callback handler.

Enterprise models and tools for building, activating, and supervising AI agents.

xAI's Grok models for conversational AI.

HTTP-native USDC payments so agents can pay for APIs per request.

In-process runtime security sensor with LangChain middleware for input, tool-call, and output boundaries.

Social media data platform with billions of indexed posts and users.

S3-compatible object storage loaders and byte store with zero egress.

Yandex Database distributed storage system.

Cognitive memory as a VectorStore and ChatMessageHistory with decay, consolidation, and contradiction checks.

AI agent framework and development platform.

Real-time web search and content extraction APIs designed for LLM applications.

Search, playlist, transcript, and video metadata retrievers for LangChain.

Browser-control LLMs and web automation tools for LangChain agents.

Inference provider for apps and agents: purpose-built small and nano models on an edge network, serverless, with no GPU infrastructure.

High-performance vector database.

Reference management and research tool.