Building agents MCP servers

3,555 tagged Building agents, measured the same way as everything else here.

Browse within: model-context-protocol 212mcp-server 181LLM 128cli 99agents 79agentic-ai 76agent 44ai-tools 38ai-governance 35agent-orchestration 34a2a 32Multi-Agent 31agent-memory 31AI Safety 29

agent-knowledge-mcp

265

itshare4u/AgentKnowledgeMCP

MCP server Claude CodeCodexCursor +2

AgentKnowledgeMCP - Advanced Knowledge Management for AI Agents. Runs locally from the agent-knowledge-mcp Python package.

not rated 27 1y ago A tokens not measured original MIT

wechat_oa_mcp

266

kakaxi3019/wechat_oa_mcp

MCP server Claude CodeCodexCursor +2

A local MCP server for managing WeChat Official Accounts, which are accounts used by organisations to publish and communicate on WeChat. The input says it is for research only and not for commercial use.

not rated 27 9mo ago A tokens not measured

nishimoto265/Agent_Collaboration_MCP

MCP server Claude CodeCodexCursor +2

Self-contained MCP server for multi-agent collaboration with automatic authentication delegation and complete tmux session management - no external dependencies required. Runs locally from the agent-collaboration-mcp npm package.

not rated 26 1y ago A tokens not measured original MIT

baton

268

Kaseban/baton

MCP server Claude CodeCodexCursor +2

Pass the baton between coding agents: convert sessions across Claude Code, OpenCode, Codex & more. Runs locally from the @kasabeh/baton-mcp npm package.

not rated 26 7d ago A tokens not measured original Apache-2.0

delego

269

Delego-Dev/delego

MCP server Claude CodeCodexCursor +2

Intent-bound action authorization for AI agents — authorise before a credential is used, require human approval for sensitive actions, and prove every action traces back to the instruction that authorised it. Runs locally from the delego Python package. Needs 1 environment variable to run.

not rated 25 3mo ago A tokens not measured original Apache-2.0

awesome-agent-skills

270

shadowrootdev/awesome-agent-skills-mcp

MCP server Claude CodeCodexCursor +2

MCP server with 100+ AI agent skills from Anthropic, Vercel, Trail of Bits, Hugging Face & more. Runs locally from the awesome-agent-skills-mcp npm package. Needs 4 environment variables to run.

not rated 25 4mo ago A tokens not measured original MIT

ai-cli-mcp

271

mkXultra/ai-cli-mcp

MCP server Claude CodeCodexCursor +2

MCP server for AI CLI tools (Claude, Codex, and Gemini) with background process management. Runs locally from the ai-cli-mcp npm package.

not rated 25 2d ago A tokens not measured original MIT

sequential-thinking

272

vlad-ryzhkov/AI-QA-workshop-feb19

MCP server Claude CodeCodexCursor +2

One of 2 in .mcp.json

Adds a structured step-by-step reasoning tool the agent can call to break a problem into revisable thoughts. Runs locally from the @modelcontextprotocol/server-sequential-thinking npm package.

not rated 25 6mo ago A tokens not measured copy · 100% Unlicense

audrey

273

Evilander/Audrey

MCP server Claude CodeCodexCursor +2

Local-first biological memory for coding agents: recall, consolidation, and pre-action Guard checks. Runs locally from the audrey npm package. Needs 2 environment variables to run.

not rated 25 7d ago A tokens not measured original MIT

repomix

274

igmarin/rails-agent-skills

MCP server Claude CodeCodexCursor +2

One of 3 in .mcp.json

MCP server "repomix" as configured in igmarin/rails-agent-skills. Launched with /opt/homebrew/bin/repomix --mcp --sandbox /Volumes/minimini/Developer/Projects/r.

not rated 24 18d ago A tokens not measured original MIT

sfagent-tools

275

lucianostraga/sfagent-tools

MCP server Claude CodeCodexCursor +2

MCP server for testing Salesforce Agentforce agents. Powers the SFAgent Tools plugin for Claude Code and Codex. Runs locally from the sfagent-tools-mcp-server npm package.

not rated 24 3mo ago A tokens not measured

reporelay

276

Lukie-81/RepoRelay

MCP server Claude CodeCodexCursor +2

Bounded local MCP access to one approved repository for AI read/search and structured handoffs. Runs locally from the reporelay-mcp npm package.

not rated 24 9d ago A tokens not measured original MIT

codex-mcp-tool

277

x51xxx/codex-mcp-tool

MCP server Claude CodeCodexCursor +2

MCP server bridging AI assistants to OpenAI Codex CLI for code analysis and review. Runs locally from the @trishchuk/codex-mcp-tool npm package. Needs 3 environment variables to run.

not rated 24 3d ago A tokens not measured original MIT

sruja

278

sruja-ai/sruja

MCP server Cursor

MCP server "sruja" as configured in sruja-ai/sruja. Launched with sruja mcp -r .. Needs 3 environment variables to run.

not rated 23 2d ago A tokens not measured original Apache-2.0

world-model-mcp

279

SaravananJaichandar/world-model-mcp

MCP server Claude CodeCodexCursor +2

MCP server that builds a world model for codebases to prevent hallucinations, repeated mistakes, and regressions. Runs locally from the world-model-mcp Python package. Needs 4 environment variables to run.

not rated 22 13d ago A tokens not measured original MIT

cvm

280

LadislavSopko/cvm

MCP server Claude CodeCodexCursor +2

One of 7 in .mcp.json

Cognitive Virtual Machine (CVM) - A deterministic bytecode VM with AI cognitive operations. Runs locally from the cvm-server npm package. Needs 5 environment variables to run.

not rated 22 2mo ago A tokens not measured

mem-port

281

rsl-innovation/mem-port

MCP server Claude CodeCodexCursor +2

A portable, long-term agentic memory MCP server — a thumb drive for your AI context. Runs locally from the @rsl-innovation/mem-port npm package.

not rated 22 +2 9d ago A tokens not measured original MIT

ontoindex

282

teknokomo/universo-platformo-react

MCP server Claude CodeCodexCursor +2

MCP server "ontoindex" as configured in teknokomo/universo-platformo-react. Launched with ontoindex mcp.

not rated 22 3d ago A tokens not measured

krait-solodit

283

ZealynxSecurity/krait

MCP server Claude CodeCodexCursor +2

One of 2 in .mcp.json

MCP server "krait-solodit" as configured in ZealynxSecurity/krait. Runs mcp-servers/solodit/build/index.js with node.

not rated 21 +1 29d ago A tokens not measured original MIT

delimit-mcp-server

284

delimit-ai/delimit-mcp-server

MCP server Claude CodeCodexCursor +2

API governance for AI coding assistants. Breaking changes, policies, cross-model context. Runs locally from the delimit-cli npm package.

not rated 21 today A tokens not measured original MIT

a2asearch-mcp

285

tadas-github/a2asearch-mcp

MCP server Claude CodeCodexCursor +2

Search 10,000+ AI agents, MCP servers, and CLI tools via A2ASearch from any MCP client. Runs locally from the a2asearch-mcp npm package.

not rated 21 5mo ago A tokens not measured original MIT

cucumberstudio

286

HeroSizy/cucumberstudio-mcp

MCP server Claude CodeCodexCursor +2

MCP server for Cucumber Studio - test scenarios, action words, and execution data. Runs locally from the cucumberstudio-mcp npm package.

not rated 21 5mo ago A tokens not measured original MIT

ssdeanx/branch-thinking

MCP server Claude CodeCodexCursor +2

MCP server "server-branch-thinking" as configured in ssdeanx/branch-thinking. Runs locally from the @modelcontextprotocol/server-branch-thinking npm package.

not rated 21 1y ago A tokens not measured copy · 100% MIT

mcp-chain-of-thought

288

liorfranko/mcp-chain-of-thought

MCP server Claude CodeCodexCursor +2

Chain of Thought is a tool built for AI Agents, emphasizing chain-of-thought, reflection, and style consistency. It converts natural language into structured dev tasks with dependency tracking and iterative refinement, enabling agent-like developer behavi. Runs locally from the mcp-chain-of-thought npm package.

not rated 21 1y ago A tokens not measured fork MIT

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: