Building agents MCP servers

3,570 tagged Building agents, measured the same way as everything else here.

Browse within: model-context-protocol 216mcp-server 190LLM 128cli 100agents 79agentic-ai 77agent 45ai-tools 38agent-orchestration 35ai-governance 34a2a 32agent-memory 32Multi-Agent 31claude-code-plugin 28

external-agents

1633

mrrlin-dev/external-agents

MCP server Claude CodeCodexCursor +2

Multi-LLM MCP server for Claude Code & Codex — route AI agent work across 20+ low-cost provider buckets with round-robin dispatch and quota-aware fallback. Runs locally from the @mrrlin-dev/external-agents npm package.

not rated 0 2d ago A tokens not measured original MIT

swagger-mcp

1634

itachiuchihadev/swagger_mcp

MCP server Claude CodeCodexCursor +2

Dynamic MCP server that converts Swagger/OpenAPI specs into callable MCP tools. Runs locally from the @abhishekkumar00019/swagger-mcp npm package.

not rated 0 24d ago A tokens not measured

agent-rewind

1635

YanhanLi/agent-rewind

MCP server Claude CodeCodexCursor +2

Flight recorder + undo button for AI agents. MCP interception proxy: journals every tool call, snapshots state before destructive actions, holds oversized ones for approval, and gives operators per-action Undo, Rewind-to-T, and a kill switch. Runs locally from the agent-rewind npm package.

not rated 0 1mo ago A tokens not measured original MIT

mcpstate

1636

varmabudharaju/mcpstate

MCP server Claude CodeCodexCursor +2

Durable, user-keyed state for stateless MCP servers — handles, hand-off sync, agent-mediated conflict resolution. Runs locally from the mcpstate Python package.

not rated 0 1mo ago A tokens not measured original MIT

mcp-records-demo

1637

groundwork07/mcp-records-demo

MCP server Claude CodeCodexCursor +2

MCP server "mcp-records-demo" as configured in groundwork07/mcp-records-demo. Runs locally from the mcp-records-demo npm package. Needs 1 environment variable to run.

not rated 0 1mo ago A tokens not measured original MIT

mcp

1638

realhandles/mcp

MCP server Claude CodeCodexCursor +2

MCP server to look up and cryptographically verify RealHandles identities. Runs locally from the @realhandles/mcp npm package.

not rated 0 25d ago A tokens not measured original MIT

openapi-to-mcp

1639

Karlangas12/openapi-to-mcp

MCP server Claude CodeCodexCursor +2

Turn any OpenAPI 3.x spec into a live Model Context Protocol (MCP) server: every endpoint becomes a validated tool your AI agent can call. Runs locally from the @karlangas12/openapi-to-mcp npm package.

not rated 0 1mo ago A tokens not measured original MIT

scopegate

1640

NexgenSystemsMX/scopegate

MCP server Claude CodeCodexCursor +2

Ephemeral credentials & persistent connections gateway for coding agents (Claude Code, Kimi Code, Cursor, OpenCode). The agent never holds secrets — it holds short-lived, minimum-scope capabilities. Runs locally from the scopegate npm package.

not rated 0 25d ago A tokens not measured original Apache-2.0

tokensqueezer

1641

pgalyen1987/NodeProxy

MCP server Claude CodeCodexCursor +2

One of 3 in server.json

LangChain.js client for the TokenSqueezer x402 LLM token compression API. Runs locally from the @nodeproxy/tokensqueezer npm package.

not rated 0 1mo ago A tokens not measured

engram-mcp

1642

ankitjm/engram-mcp

MCP server Claude CodeCodexCursor +2

MCP server for Engram: persistent memory for AI. Runs locally from the engram-mcp npm package.

not rated 0 1mo ago A tokens not measured

litellm-mcp

1643

nikitatsym/litellm-mcp

MCP server Claude CodeCodexCursor +2

MCP server giving AI agents access to 100+ LLMs through LiteLLM. Runs locally from the litellm-mcp Python package.

not rated 0 5d ago A tokens not measured original MIT

pulsar-mcp-proxy

1644

Keithw01/pulsar-mcp-proxy

MCP server Claude CodeCodexCursor +2

MCP server "pulsar-mcp-proxy" as configured in Keithw01/pulsar-mcp-proxy. Runs locally from the pulsar-mcp-proxy npm package.

not rated 0 1mo ago A tokens not measured original MIT

agent-kit

1645

chris-dare-dev/agent-kit

MCP server Claude CodeCodexCursor +2

MCP server "agent-kit" as configured in chris-dare-dev/agent-kit. Runs locally from the @chris-dare-dev/agent-kit npm package.

not rated 0 1mo ago A tokens not measured original MIT

mcp-factory

1646

jaimenbell/mcp-factory

MCP server Claude CodeCodexCursor +2

Manifest-driven MCP server scaffolder and runtime hub for Claude tool integrations. Runs locally from the jaimenbell-mcp-factory Python package.

not rated 0 14d ago A tokens not measured original MIT

connecta

1647

zackbart/connecta

MCP server Claude CodeCodexCursor +2

One MCP to rule them all — a single MCP endpoint aggregating many downstream connectors behind a code-first surface of seven meta-tools. Runs locally from the @zackbart/connecta npm package.

not rated 0 5d ago A tokens not measured original MIT

sixflower666/claude-codex-orchestrator-mcp

MCP server Claude CodeCodexCursor +2

MCP server "claude-codex-orchestrator-mcp" as configured in sixflower666/claude-codex-orchestrator-mcp. Runs locally from the claude-codex-orchestrator-mcp npm package.

not rated 0 1mo ago A tokens not measured original MIT

verantyx-vera

1649

Ag3497120/Verantyx-Vera-beta

MCP server Claude CodeCodexCursor +2

Verantyx Vera α — deterministic cross-structure knowledge & reasoning engine (no LM, typed refusal). Runs locally from the verantyx-vera Python package.

not rated 0 1mo ago A tokens not measured original MIT archived

mcp-server-starter

1650

dao-genesis/mcp-server-starter

MCP server Claude CodeCodexCursor +2

Scaffold a ready-to-run Model Context Protocol (MCP) server with a single command. Runs locally from the mcp-server-starter npm package.

not rated 0 1mo ago A tokens not measured copy · 100% MIT archived

pvc-mcp-server

1651

096v/pvc-mcp-server

MCP server Claude CodeCodexCursor +2

Plan Version Control (PVC) MCP Server — Git-like version control for AI agent decision tracking. Runs locally from the pvc-mcp-server Python package.

not rated 0 1mo ago A tokens not measured original Apache-2.0

mcp

1652

nikitabobers/stepskit-mcp

MCP server Claude CodeCodexCursor +2

StepsKit MCP server — author product tours from your codebase through your AI coding agent. Runs locally from the @stepskit/mcp npm package.

not rated 0 1mo ago A tokens not measured original MIT

textbook-agent-mcp

1653

LeonardPuettmann/texbook-agent-mcp

MCP server Claude CodeCodexCursor +2

MCP server "textbook-agent-mcp" as configured in LeonardPuettmann/texbook-agent-mcp. Runs locally from the textbook-agent-mcp Python package.

not rated 0 1mo ago A tokens not measured

n8n-mcp

1654

ejajmahmud/n8n-node-n8n-mcp-test

MCP server Claude CodeCodexCursor +2

Integration between n8n workflow automation and Model Context Protocol (MCP). Runs locally from the n8n-mcp npm package.

not rated 0 1mo ago A tokens not measured copy · 100% MIT

mcpgate

1655

harsha-moparthy/mcpgate

MCP server Claude CodeCodexCursor +2

A stateless gateway that turns any OpenAPI spec into MCP tools on the fly. Runs locally from the mcpgate Python package.

not rated 0 1mo ago A tokens not measured

delegate-mcp

1656

art-ws/delegate-mcp

MCP server Claude CodeCodexCursor +2

MCP delegate server: routes large tool outputs to a cheap model to save orchestrator tokens. Runs locally from the delegate-mcp npm package.

not rated 0 1mo ago A tokens not measured original MIT