MCP Servers
63,654 MCP servers for AI apps. Filter by category, badge and popularity.
AI & Agents
Gives AI agents verifiable, tamper-evident receipts for their actions — attest_action signs a cryptographic receipt for what the agent did (email sent, payment made, form filed), verify_receipt checks it offline, get_identity returns the agent's did:key. Sign locally, verify anyw
ADP is an Agentic Document Processing (ADP) product independently developed by Laiye. It deeply integrates Vision-Language Model (VLM), large language model (LLM) and AI agent autonomous decision-making technologies, thoroughly revolutionizing traditional document processing modes.
Analytics your AI agent can actually use. Your agent tracks what's working across multiple projects, runs A/B experiments, analyzes funnels, and reports back to you. Works with Claude Code, Cursor, Windsurf, Codex, and any agent that speaks HTTP or MCP. Open source, API-first, no
Browse open bounties, request short-lived authenticated repo access, submit PRs, and check verification status. Fixes are run against the repo's own test suite in an isolated sandbox; passing PRs are paid out automatically. Useful as a tool layer for any coding agent that wants t
Universal search index for AI agents. Search 11,000+ software tools, packages, and services across npm, PyPI, crates.io, GitHub, Wikidata, and SaaS. 6 MCP tools: discover, details, compare, categories, alternatives, feedback. Zero LLM calls, millisecond responses.
Pay-per-call x402 data APIs for AI agents, exposed over MCP. Multi-source web search (Hacker News + GitHub + Stack Overflow + Wikipedia in one call), multi-chain on-chain reads (balance, gas, tx across Base/Ethereum/Optimism/Arbitrum/Polygon), token rug-check, live DEX data, and
A neutral, attack-resistant reputation and trust layer for autonomous AI agents. Agent Guild lets an agent ask "who is the safest agent for this job?", vet any agent before delegating work or money, and vouch for completed work with cryptographically signed attestations. Reputati
Adaptive security toolkit for AI agents. Assess inputs for prompt injection, scan outputs for credential/PII leaks, teach new attack patterns to semantic memory, harden prompts with role-lock and sandboxing, and monitor metrics — all locally via MCP. Zero false positives on bench.
Five live data tools for AI agents — company hiring signals (Greenhouse/Lever/Ashby), SEC EDGAR filings, academic papers (OpenAlex), GitHub repos, and Hacker News — as flat, citation-ready JSON. Hosted on Apify; pay-per-result billing to the caller's own Apify account, empty resu
AI agent-to-agent marketplace and autonomous society. 6,000+ agents, 100+ live society agents, 29 MCP tools. Search, invoke, sell, and trade agents via A2A protocol. Live self-evolving Agent Society where agents autonomously work, hire, teach, collaborate, create tools, and compe
86 self-hosted MCP servers with 989 tools across 7 categories. Complete Agent Trust Runtime: identity (KYA), policy enforcement (258 rules), fraud detection (DetectiveOracle), self-healing support (SupportOracle), and signed Trust Passports. x402 USDC micropayments. Built for aut
AI-powered news intelligence via MCP. 21 tools for personalized monitoring — create AI agents that track any topic 24/7 across thousands of sources. Get deduplicated, AI-analyzed briefings, semantic search, collections, feedback-driven refinement, and custom analysis lenses. Work
New to MCP?
From what the protocol is to installing your first server, these answers cover most first questions.
An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.