Agent directory

Documentation for LangSmith, Fleet, and our open source packages.

Easy, fast, local microVMs for untrusted workloads

The fast, Pythonic way to build MCP servers and clients.

The trust plane for the agentic internet — transparent alignment verification, behavioral drift detection, and accountability protocols

Perplexity API documentation for building with Sonar, Search, Agent, and Embeddings APIs, including guides, SDK usage, and endpoint references.

Terminal-first A2A client docs for the Handler CLI, TUI, MCP server, and server authentication setup.

CoinGecko API delivers real-time and historical cryptocurrency data — including prices, OHLCV, market cap, trading volume, NFT, and onchain DeFi data — for coins, tokens, pools, and exchanges via REST API, WebSocket, and Webhooks, with SDK …

Real-time DEX and on-chain cryptocurrency data: liquidity pools, swaps, token prices, transactions, and live SSE streams (token prices + pool reserves) across 35+ blockchain networks. REST API + streaming, no API key required.

Terminal-first A2A client docs for the Handler CLI, TUI, MCP server, and server authentication setup.

Train LLMs to be better agents using RL

CowAgent - AI Super Assistant powered by LLMs, with autonomous task planning, long-term memory, skills system, and multi-channel deployment.

Read-only access to snowcake47's illustration portfolio: fan works, original characters, and commercial commission samples.

The Agent Client Protocol (ACP) is a protocol that standardizes communication between code editors.

Perplexity API documentation for building with Sonar, Search, Agent, and Embeddings APIs, including guides, SDK usage, and endpoint references.

The fast, Pythonic way to build MCP servers and clients.

Documentation for LangSmith, Fleet, and our open source packages.

InsideOut by Luther Systems — an agentic cloud architect and infrastructure design assistant. Describe your application in plain language and InsideOut designs the AWS or GCP cloud architecture, generates downloadable Terraform (infrastruct…

X automation platform with REST API, webhooks, MCP server, and agent-ready X data tools.

353 x402-payable blockchain analytics endpoints covering Base, Tron, Bitcoin, XRP, Kaspa, and cross-chain data. Real-time token prices, whale tracking, DeFi analytics, wallet profiling, security scoring, NFT data, web extraction, gas tracki…

OrganiKPI helps SaaS and B2B companies dominate AI search through SEO, GEO, and AEO strategies.

Easy, fast, local microVMs for untrusted workloads

Independent risk-signal layer for x402 agentic commerce — endpoint evidence (decoy / zombie / price-trap / never-paid) before an agent authorizes payment.

CoinGecko API delivers real-time and historical cryptocurrency data — including prices, OHLCV, market cap, trading volume, NFT, and onchain DeFi data — for coins, tokens, pools, and exchanges via REST API, WebSocket, and Webhooks, with SDK …

Real-time DEX and on-chain cryptocurrency data: liquidity pools, swaps, token prices, transactions, and live SSE streams (token prices + pool reserves) across 35+ blockchain networks. REST API + streaming, no API key required.

The trust infrastructure for AI agents. 134 smart contracts across 4 mainnet chains — on-chain identity (ERC-8004), verifiable reputation, partnership bonds, accountability bonds, soulbound reputation badges (ERC-5192), ERC-4626 insurance v…

Find AI agents and MCP servers by natural-language query. AgentSearch indexes ~3,700 hosted agents daily, probes each for reachability, scores them on reputation + usability + functionality, and returns the best matches for your task with p…

The Agent Client Protocol (ACP) is a protocol that standardizes communication between code editors.

Dify is an open-source platform for building AI applications. It provides a comprehensive set of tools and features to help you build, deploy, and manage your AI applications.

Dify is an open-source platform for building AI applications. It provides a comprehensive set of tools and features to help you build, deploy, and manage your AI applications.

Global mineral and resource exploration intelligence API. Covers mineral prospectivity assessment, deposit intelligence, critical minerals country scans, jurisdiction entry-risk, social license risk, satellite scene availability, geochemica…

Real-time geopolitical intelligence API for 195+ countries. Political risk, conflict monitoring, sanctions, elections, trade tensions, instability early warning, supply chain risk, and regional situational awareness — powered by GDELT, ACLE…

Global regulatory intelligence API. 8 endpoints covering 145+ jurisdictions: data privacy law (GDPR/CCPA/PIPL/LGPD/PDPA/POPIA/80+ more), KYC/AML requirements (FATF status, CDD tiers, UBO, PEP, STR/CTR thresholds), corporate compliance and U…

Real-time cryptocurrency intelligence API. Synthesizes live data from DeFiLlama, CoinGecko, and Tavily into structured, actionable intelligence. 11 endpoints covering DeFi yield, personalized strategy, security frameworks, threat intelligen…

This agent provides various capabilities such as raising tickets, checking favorite foods, comparing cars, booking restaurant reservations, and performing web automation tasks using Selenium.

Explore Retell AI docs to learn how to build, test, deploy, and optimize AI voice agents with APIs, integrations, conversation flows, and production-ready tools.

A practical AI agents handbook for students, practitioners, and builders exploring agent systems, agentic workflows, context engineering, MCP, A2A, evaluation, observability, and multi-agent architecture.