MCP Servers 3,308

Searchpin — Free Web Search for AI Agents

io.github.telly6/searchpin

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Free web search for AI agents — multi-engine parallel search, smart ranking, no sign-up, no limits

AI Tool Discovery Agent

io.github.nirholas/tool-discovery-mcp

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AI agent discovers MCP servers from GitHub npm - analyzes APIs configs

Cortex Memory Engine

io.github.gambletan/cortex

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Local-first AI memory engine — 4-tier memory, people graph, Bayesian beliefs.

Search the web and fetch pages with sourced results, optimized for AI agents

Verified, sourced, real-time intelligence layer for AI agents.

Agoragentic Agent OS MCP

io.github.rhein1/agoragentic

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Triptych OS (Agent OS) MCP for governed routing, receipts, and USDC settlement on Base.

Hera Agent Unity

io.github.NotNull92/hera-agent-unity

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Control and verify a live Unity Editor through a local, low-token MCP server.

Publish agent output to permanent versioned URLs, read review comments back, and revise.

MCP Memory Gateway

io.github.IgorGanapolsky/mcp-memory-gateway

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Pre-action gates that block AI agents from repeating known mistakes.

Pass the baton between coding agents: convert sessions across Claude Code, OpenCode, Codex & more.

AI Visibility and Content Intelligence tools for Claude and MCP-compatible agents.

Genesys Memory

io.github.Astrix-Labs/genesys-memory

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Open-source causal memory for AI agents: persistent, explainable, MCP-native memory (13 tools).

agent-tool

io.github.knewstimek/agent-tool

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Encoding-aware, indentation-smart file tools for AI coding agents with SSH, SFTP, and 20+ tools.

Awesome Agent Skills

io.github.shadowrootdev/awesome-agent-skills

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MCP server with 100+ AI agent skills from Anthropic, Vercel, Trail of Bits, Hugging Face & more.

hmem — Humanlike Memory for AI Agents

io.github.Bumblebiber/hmem-mcp

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Persistent 5-level hierarchical memory for AI agents.

Ruben Marcus — Agent-Ready Portfolio

io.github.rubenmarcus/portfolio

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Public portfolio MCP for resume, services, availability, project evidence, and introductions.

SAME - Stateless Agent Memory Engine

io.github.sgx-labs/same

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Persistent memory for AI coding agents.

Rails Agent Skills

io.github.igmarin/rails-agent-skills-mcp

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Rails development skills, docs, and workflows exposed through MCP stdio.

Seven-layer agent memory: episodic, semantic, procedural and core.

Osint Agent Skills

io.github.frangelbarrera/osint-agent-skills

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OSINT MCP server — 23 tools: DNS, WHOIS, Shodan, breaches, GEOINT, crypto.

Persistent project context for Claude.

Local-first, LLM-agnostic memory layer for AI assistants.

M3 Memory

io.github.skynetcmd/m3-memory

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Local-first memory — 100+ tools, 99.2% LongMemEval-S retrieval@10, hybrid search, GDPR, no cloud.

World Model

io.github.SaravananJaichandar/world-model-mcp

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Temporal knowledge graph for codebases with constraint enforcement at the edit boundary.