Building agents MCP servers

3,549 tagged Building agents, measured the same way as everything else here.

Browse within: model-context-protocol 213mcp-server 181LLM 128cli 99agents 77agentic-ai 76agent 44ai-tools 38agent-orchestration 35ai-governance 34a2a 32Multi-Agent 31agent-memory 31AI Safety 29

brain-mcp

169

mordechaipotash/brain-mcp

MCP server Claude CodeCodexCursor +2

SHELET-compliant cognitive prosthetic for AI agents — 25 stratified MCP skills with structural citation discipline. Runs locally from the brain-mcp Python package. Needs 1 environment variable to run.

not rated 69 +1 19d ago A tokens not measured original MIT

multicli

170

osanoai/multicli

MCP server Claude CodeCodexCursor +2

MCP server for Multiple CLI coding agent integration (Claude + Antigravity + Codex). Runs locally from the @osanoai/multicli npm package.

not rated 69 yesterday A tokens not measured

okfy-ai

171

0dust/OKFy

MCP server Claude CodeCodexCursor +2

Convert docs into Open Knowledge Format bundles and serve them to MCP agents. Runs locally from the okfy-ai npm package.

not rated 69 +1 21d ago A tokens not measured original MIT

token-enhancer

172

xelektron/token-enhancer

MCP server Claude CodeCodexCursor +2

Cuts AI agent web-fetching costs by up to 99.9% by stripping junk from web pages before they reach your LLM. Runs locally from the xelektron-token-enhancer Python package.

not rated 68 5mo ago A tokens not measured original MIT

mdma

173

MobileReality/mdma

MCP server Claude CodeCodexCursor +2

MCP server for MDMA — exposes spec, prompts, docs, and package metadata to AI assistants. Runs locally from the @mobile-reality/mdma-mcp npm package.

not rated 67 +1 29d ago A tokens not measured original MIT

farnsworth-ai

174

timowhite88/Farnsworth

MCP server Claude CodeCodexCursor +2

Self-evolving companion AI with MemGPT-style memory and LangGraph agent swarm. Runs locally from the farnsworth-ai Python package.

not rated 66 2d ago A tokens not measured

agents-council

175

MrLesk/agents-council

MCP server Claude CodeCodexCursor +2

MCP server "agents-council" as configured in MrLesk/agents-council. Runs locally from the agents-council npm package.

not rated 66 6mo ago A tokens not measured original MIT

Ref-local

176

Jamie-BitFlight/claude_skills

MCP server Claude CodeCodexCursor +2

One of 2 in .mcp.json

MCP server "Ref-local" as configured in Jamie-BitFlight/claudeskills. Runs ./scripts/npx-run.cjs with node. Needs 1 environment variable to run.

not rated 66 +1 yesterday A tokens not measured original MIT

synap

177

maximem-ai/maximem_synap_sdk

MCP server Claude CodeCodexCursor +2

Persistent memory for AI agents — log and recall conversation context over MCP. Remote server at synap-mcp.maximem.ai.

not rated 64 8d ago A tokens not measured original Apache-2.0

dns-aid

178

dns-aid/dns-aid-core

MCP server Claude CodeCodexCursor +2

DNS-based Agent Identification and Discovery - Reference Implementation. Runs locally from the dns-aid Python package. Needs 1 environment variable to run.

not rated 64 +2 5d ago A tokens not measured original Apache-2.0

mcp

179

bountylens/mcp

MCP server Claude CodeCodexCursor +2

BountyLens MCP server — connect Claude Code to your Hunter Tracker. Runs locally from the @bountylens/mcp npm package.

not rated 64 2mo ago A tokens not measured original MIT

join.cloud

180

kushneryk/join.cloud

MCP server Claude CodeCodexCursor +2

Collaboration rooms for AI agents. Real-time messaging + standard git. Runs locally from the joincloud npm package. Needs 3 environment variables to run.

not rated 63 1mo ago A tokens not measured AGPL-3.0

codexmcp

181

tomascupr/codexMCP

MCP server Claude CodeCodexCursor +2

Minimal FastMCP server that wraps the OpenAI Codex CLI. Runs locally from the codexmcp Python package.

not rated 60 1y ago A tokens not measured original MIT

enzyme

182

byenzyme/enzyme

MCP server Claude CodeCodexCursor +2

MCP server "enzyme" as configured in byenzyme/enzyme. Launched with https://github.com/byenzyme/enzyme/releases/download/v0.9.2/enzyme-mcp-0.9.2-mac. Needs 1 environment variable to run.

not rated 59 10d ago A tokens not measured

codex-cli

183

nicepkg/vsync

MCP server Claude CodeCodexCursor +2

One of 2 in .mcp.json

MCP server wrapper for OpenAI Codex CLI. Runs locally from the codex-mcp-server npm package.

not rated 59 +1 7mo ago A tokens not measured original MIT

nova

184

towardsai/agentic-ai-engineering-course

MCP server Claude CodeCodexCursor +2

One of 2 in .mcp.json

MCP server "nova" as configured in towardsai/agentic-ai-engineering-course. Launched with uv --directory lessons/research_agent_part_2/mcp_server run -m src.server --tran. Needs 2 environment variables to run.

not rated 59 +1 9d ago A tokens not measured

agtrace

185

lanegrid/agtrace

MCP server Claude CodeCodexCursor +2

MCP server "agtrace" as configured in lanegrid/agtrace. Launched with agtrace serve.

not rated 58 +1 1mo ago A tokens not measured original Apache-2.0

codex

186

varienos/agentic-workflow

MCP server Claude CodeCodexCursor +2

MCP server "codex" as configured in varienos/agentic-workflow. Launched with codex mcp-server.

not rated 58 3mo ago A tokens not measured copy · 100% MIT

o3r

187

AmadeusITGroup/otter

MCP server Claude CodeCodexCursor +2

One of 5 in mcp.json

Experimental package — This module provides a MCP Server. Runs locally from the @o3r/mcp npm package.

not rated 58 +1 today A tokens not measured original BSD-3-Clause

Mattbusel/tokio-prompt-orchestrator

MCP server Claude CodeCodexCursor +2

MCP server "tokio-prompt-orchestrator" as configured in Mattbusel/tokio-prompt-orchestrator. Launched with cargo run --bin mcp --features mcp --release. Needs 3 environment variables to run.

not rated 57 5mo ago A tokens not measured original MIT

js

189

r33drichards/mcp-js

MCP server Cursor

MCP server "js" as configured in r33drichards/mcp-js. Launched with /Users/robertwendt/mcp-v8/server/target/debug/server --s3-bucket test-mcp-js-buc.

not rated 57 +3 today A tokens not measured AGPL-3.0

openrouter-agents

190

wheattoast11/openrouter-deep-research-mcp

MCP server Claude CodeCodexCursor +2

MCP server "openrouter-agents" as configured in wheattoast11/openrouter-deep-research-mcp. Runs /var/home/zero/terminals-tech/src/server/mcpServer.js with node. Needs 5 environment variables to run.

not rated 55 7d ago A tokens not measured original MIT

temporal-mcp-server

191

GethosTheWalrus/temporal-mcp

MCP server Claude CodeCodexCursor +2

MCP server for Temporal workflow orchestration. Runs locally from the temporal-mcp-server Python package.

not rated 55 yesterday A tokens not measured original Apache-2.0

mcp-flowise

192

matthewhand/mcp-flowise

MCP server Claude CodeCodexCursor +2

MCP server exposing local Flowise chatflows as callable tools. Runs locally from the mcp-flowise Python package.

not rated 54 1y ago A tokens not measured original 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: