Building agents MCP servers

3,568 tagged Building agents, measured the same way as everything else here.

Browse within: model-context-protocol 215mcp-server 188LLM 127cli 99agentic-ai 78agents 78agent 43ai-tools 38agent-orchestration 35ai-governance 35Multi-Agent 32a2a 32agent-memory 32AI Safety 28

memstem

601

Memstem/memstem

MCP server Claude CodeCodexCursor +2

Unified memory and skill infrastructure for AI agents. Runs locally from the memstem Python package.

not rated 5 +1 yesterday A tokens not measured original MIT

agentic-ledger

602

ShekharBhardwaj/AgenticLedger

MCP server Claude CodeCodexCursor +2

Runtime observability for AI agents — see exactly what your agent did, why it did it, and what it cost. Runs locally from the agentic-ledger Python package.

not rated 5 today A tokens not measured original MIT

prereason

603

PreReason/mcp

MCP server Claude CodeCodexCursor +2

MCP server "prereason", hosted remotely at api.prereason.com, as configured in PreReason/mcp.

not rated 5 24d ago A tokens not measured original MIT

mcp

604

Perspective-AI/mcp

MCP server Claude CodeCodexCursor +2

An AI concierge that turns static forms into adaptive AI conversations. From any MCP client. Remote server at getperspective.ai.

not rated 5 11d ago A tokens not measured original MIT

agentskit-registry

605

AgentsKit-io/agentskit-registry

MCP server Claude CodeCodexCursor +2

Discover open-source AI agents and get source-owned installation instructions through MCP. Remote server at registry.agentskit.io.

not rated 5 2d ago A tokens not measured original MIT

osmp

606

Octid-io/cloudless-sky

MCP server Claude CodeCodexCursor +2

OSMP MCP Server -- Agentic AI instruction encoding. 86.8% byte reduction vs JSON. Inference-free decode. Any channel. Runs locally from the osmp-mcp Python package.

not rated 5 4mo ago A tokens not measured

axis

607

VirSanghavi/axis

MCP server Claude CodeCodexCursor +2

Coding agents from Claude Code, Cursor and Codex claim jobs and lock files on one shared board. Runs locally from the @virsanghavi/axis-server npm package. Needs 3 environment variables to run.

not rated 5 1mo ago A tokens not measured AGPL-3.0

ask

608

lassare-hq/agent-configs

MCP server Claude CodeCodexCursor +2

Human-in-the-loop for AI coding agents — ask questions, get approvals via Slack. Remote server at mcp.lassare.com.

not rated 5 6mo ago A tokens not measured original MIT

moltbridge

609

SageMindAI/moltbridge

MCP server Claude CodeCodexCursor +2

Agent network intelligence for AI agents. Trust scoring, broker discovery, and Ed25519 identity. Runs locally from the moltbridge npm package. Needs 3 environment variables to run.

not rated 5 6mo ago A tokens not measured

korg-ledger

610

New1Direction/korgex

MCP server Claude CodeCodexCursor +2

Autonomous AI coding agent — provider-agnostic, MCP-native, plan-first. Runs locally from the korgex Python package. Needs 2 environment variables to run.

not rated 5 2mo ago A tokens not measured original MIT

kolonie

611

Kolonie-AI/kolonie-platform

MCP server Claude CodeCodexCursor +2

A colony of AI citizens: join with no credential, prove skills, earn, vote on the rules. Remote server at mcp.kolonie.ai.

not rated 5 yesterday A tokens not measured AGPL-3.0

aippocampus

612

Sapientropic/AIppocampus

MCP server Claude CodeCodexCursor +2

MCP server "aippocampus" as configured in Sapientropic/AIppocampus. Runs aippocampus_runtime.cli.facade with python.

not rated 5 24d ago A tokens not measured original Apache-2.0

agent-never-give-up

613

askman-dev/agent-never-give-up-mcp

MCP server Claude CodeCodexCursor +2

An escape guide for coding agents, providing structured thinking tools to help agents unstick. Runs locally from the agent-never-give-up-mcp npm package.

not rated 5 9mo ago A tokens not measured

noteit-mcp

614

bahfahh/noteit-mcp

MCP server Claude CodeCodexCursor +2

MCP server for AI agent profiles and smart notes. 60+ coding prompt packs with expert personas. Remote server at www.noteit-mcp.com.

not rated 5 9mo ago A tokens not measured

mcp-bastion

615

vaquarkhan/MCP-Bastion

MCP server Claude CodeCodexCursor +2

Security middleware for MCP servers protecting LLM agents from prompt injection, resource exhaustion, and PII leakage. Runs locally from the mcp-bastion-python Python package.

not rated 5 yesterday A tokens not measured

mcp-server

616

WasmAgent/wasmagent-js

MCP server Claude CodeCodexCursor +2

WasmAgent MCP server — WASM-sandboxed code execution with capability manifests and Tasks API. Runs locally from the @wasmagent/mcp-server npm package.

not rated 5 today A tokens not measured original Apache-2.0

tokenrip

617

tokenrip/cli

MCP server Claude CodeCodexCursor +2

Collaboration layer for AI agents. Publish assets, send messages, manage threads and contacts. Remote server at api.tokenrip.com.

not rated 5 1mo ago A tokens not measured original MIT

ennodia

618

cherninlab/ennodia

MCP server Claude CodeCodexCursor +2

Local MCP server for AI team advice, multi-agent review, Compare, and traceable receipts. Runs locally from the ennodia npm package.

not rated 5 today A tokens not measured original MIT

styx-mcp-server

619

timmx7/styx

MCP server Claude CodeCodexCursor +2

MCP server for Styx — intelligent AI routing across OpenAI, Anthropic, Google, and Mistral. Runs locally from the styx-mcp-server npm package. Needs 4 environment variables to run.

not rated 5 3mo ago A tokens not measured original Apache-2.0

wiff

620

xxxoooxoxo/wiff

MCP server Claude CodeCodexCursor +2

Deterministic, resumable multi-agent workflows across Codex, Claude, Cursor, and Kimi. Runs locally from the @xxxoooxoxo/wiff npm package.

not rated 5 2d ago A tokens not measured original MIT

zephex

621

zephexMCP/agent-skills

MCP server Claude CodeCodexCursor +2

Zephex MCP — codebase intelligence tools for AI coding agents. stdio server that runs locally, reads your project files, and proxies AI calls to the Zephex backend. Runs locally from the zephex npm package. Needs 1 environment variable to run.

not rated 5 1mo ago A tokens not measured original MIT

serena

622

DivitMittal/CV-nixCfg

MCP server Claude CodeCodexCursor +2

One of 2 in .mcp.json

MCP server "serena" as configured in DivitMittal/CV-nixCfg. Runs locally from the git+https://github.com/oraios/serena Python package.

not rated 5 1mo ago A tokens not measured original MIT

architect-ai

623

aviraldua93/architect-ai

MCP server Claude CodeCodexCursor +2

MCP server "architect-ai" as configured in aviraldua93/architect-ai. Runs dist/mcp/server.js with node. Needs 1 environment variable to run.

not rated 5 2mo ago A tokens not measured original MIT

saie

624

iamahsanmehmood/saie

MCP server Claude CodeCodexCursor +2

MCP server "saie" as configured in iamahsanmehmood/saie. Launched with saie-mcp.

not rated 5 3mo ago A tokens not measured original MIT