MCP development MCP servers

523 servers

Build, test, bridge and proxy MCP servers: SDKs, frameworks, templates and inspectors.

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api-mcp-bridge io.github.mtellami/api-mcp-bridge

Dynamic OpenAPI-to-MCP Bridge Engine — an MCP server that ingests OpenAPI 3.x specs and exposes validated tools to LLMs.

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Developer tools npm Local 7 a week MIT
mcp-tester-helper io.github.pstasov/mcp-tester-helper

Unified MCP server for multi-stand infrastructure testing: REST APIs, PostgreSQL, and OpenSearch — all through a single config file.

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MCP development npm Local 7 a week MIT
@grackle-ai/mcp-stdio io.github.nick-pape/grackle-mcp-stdio

stdio-to-HTTP MCP proxy for Grackle — bridges stdio-only MCP clients (Claude Desktop, Codex CLI, Clawpilot) to a Grackle HTTP MCP server using static API-key auth

Version check not run yet

Model and agent tools npm Local 6 a week MIT
@kolonie.ai/mcp io.github.kolonie-ai/kolonie-platform-mcp

Connect a stdio-only MCP client to the Kolonie AI Colony at mcp.kolonie.ai. A transport bridge and nothing else.

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MCP development npm Local 6 a week APACHE-2.0
@nithish611/mcp-inspector io.github.nithish611/mcp-inspector

A modern Model Context Protocol (MCP) client with beautiful UI, HTTP logging, and OAuth 2.1 support

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MCP development npm Local 6 a week MIT
stateful-mcp-sdk io.github.yeswanthchirumamilla/statemcp

Developer SDK to expose any product as a State-Aware Dynamic Model Context Protocol (MCP) server with agent state memory

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MCP development npm Local 6 a week MIT
pkulaw-mcp-router io.github.liu8can/pkulaw-mcp-router

Merge multiple PKULAW MCP sub-services into one local MCP server.

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MCP development npm Local 9 a week MIT
robloxstudio-mcp-inspector io.github.boshyxd/robloxstudio-mcp-m0zays

Read-only MCP Server for Roblox Studio - Inspect Studio data, scripts, and objects through AI tools (no write operations)

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MCP development npm Local 10 a week MIT
@jusor-hub/mcp io.github.alimahmood99/jusor-hub-mcp

Model Context Protocol server for Jusor Hub — exposes the Hub API to MCP-aware AI tools (Claude Desktop, Claude Code, Cursor, ChatGPT) so the team can read and write Hub data on behalf of themselves w

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MCP development npm Local 5 a week MIT
mcp-debugger-node io.github.mohammed-almassri/mcp-debugger-node

MCP server for debugging Node.js programs through the V8 Inspector Protocol.

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Developer tools npm Local 5 a week MIT
openclaw-mcp-router io.github.lunarmoon26/openclaw-mcp-router

OpenClaw MCP router plugin for Model Context Protocol (MCP): semantic tool search and dynamic tool calling to reduce prompt bloat

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MCP development npm Local 17 a week MIT
adoptai-pricelabs-mcp io.github.adoptai/mcp-generator-pricelabs

PriceLabs MCP server for Cursor, Claude Desktop, Claude Code, Windsurf, and VS Code

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MCP development npm Local 7 a week MIT
40mcp io.github.40verse/40mcp

The universal API-to-MCP bridge. Any API. Any protocol. Token-aware.

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MCP development npm Local 6 a week MIT
@dversi/mcp-framework io.github.hundred-solutions/dversi-framework

Dversi MCP Server Framework - Universal tools and HTTP transport

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MCP development npm Local MIT
@sgaluza/api-to-mcp io.github.sgaluza/api-to-mcp

Turn any OpenAPI or GraphQL API into an MCP server via stdio bridge.

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Developer tools npm Local 9 a week MIT
@atbas/m-mcp-connector io.github.eatbas/m-mcp-connector

stdio-to-HTTP bridge for MCP clients that cannot reach a remote Streamable HTTP server.

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MCP development npm Local 4 a week MIT
mcp-inspector-as-mcp-server io.github.esinecan/mcp-inspector-as-mcp-server

A lean MCP server that enables LLMs to inspect and test other MCP servers

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MCP development npm Local 4 a week MIT
mcpx-framework io.github.kasyou/mcpx-framework

Build MCP servers in minutes, not hours. One function = one MCP tool. Zero boilerplate.

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Developer tools npm Local 4 a week MIT
@datorama/mci-mcp-sdk com.npmjs.datorama/mci-mcp-sdk

Local stdio MCP server for Marketing Cloud Intelligence (MCI). Owns the OAuth2 token lifecycle and pass-through-proxies MCP JSON-RPC to an MCI dato /api/mcp endpoint.

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MCP development npm Local SEE-LICENSE-IN
@hono/mcp io.github.honojs/middleware-mcp

MCP Middleware for Hono

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MCP development npm Local MIT
@vibebase/mcp-client io.github.vibebase/vibebase-mono-mcp-client

MCP server for VibeBase database tools (official MCP SDK, Claude Desktop compatible)

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Databases npm Local 11 a week MIT
ai2wallet-sdk io.github.jeanlouis-dev/ai2wallet-starter-kits

The gateway between AI-powered agent and web3 browser extension wallet with MCP x402 UI flow straight in chat thread

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Finance and payments npm Local 6 a week MIT
@loomfsm/mcp-server io.github.teaarte/loom-mcp-server

MCP transport for loom — exposes the pipeline tools over stdio and assembles the runnable registry.

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DevOps and infrastructure npm Local 3 a week APACHE-2.0
everglow-mcp-bridge io.github.everglow-connect/everglow-connect-mcp-bridge

STDIO to Streamable HTTP bridge for Everglow Connect MCP server

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MCP development npm Local 3 a week MIT
sitepilot-mcp io.github.jim788e/sitepilot-mcp-npm

Local MCP transport and authentication adapter for the SitePilot WordPress plugin

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Marketing and SEO npm Local 3 a week APACHE-2.0
toolplane-mcp-inspector io.github.toolplane-io/toolplane-mcp-inspector

High-density MCP cluster management dashboard, real-time RPC stream, trace debugger, call stack inspector, and tool playground.

Version check not run yet

MCP development npm Local 3 a week MIT
@iflow-mcp/mnove-mcp-starter io.github.mnove/mcp-server-starter

MCP (Model Context Protocol) server starter template

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MCP development npm Local 5 a week MIT
@hellocrossman/mcp-sdk io.github.hellocrossman/mcp-sdk

Turn your Express API into an MCP server with zero configuration. Auto-discovers routes, database tables, and generates AI-enhanced tools.

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MCP development npm Local 17 a week MIT
@descope/mcp-express com.npmjs.descope/mcp-express

Descope Express MCP SDK

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MCP development npm Local 1.7k a week MIT
mcp-middleware io.github.kolodny/mcp-middleware

Middleware for MCP servers. Intercept or transform requests; pass the rest through.

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MCP development npm Local 4 a week MIT
@spawn-dock/mcp io.github.spawndock/mcp-client

MCP client for SpawnDock knowledge server — stdio-to-SSE bridge for AI agents

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MCP development npm Local 8 a week MIT
adk-mcp-sdk io.github.zavora-ai/adk-mcp-sdk

Enterprise SDK traits for ADK-Rust MCP servers — health checks, tool metadata, risk classes, credential binding, and registry compatibility

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MCP development crates.io Local
adoptai-doola-mcp io.github.adoptai/mcp-generator-doola

Doola MCP server for Cursor, Claude Desktop, Windsurf and VS Code

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MCP development npm Local 5 a week MIT
@clado-ai/mcp-router io.github.clado-ai/mcp-router

Clado Model Context Protocol Server

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MCP development npm Local MIT
@inferencesh/mcp-bridge io.github.inference-sh/mcp-bridge

Stdio-to-HTTP bridge for MCP (Model Context Protocol). Connects any stdio MCP client to inference.sh or any remote MCP server via Streamable HTTP transport with Bearer token auth.

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Model and agent tools npm Local 4 a week MIT
mcp-starter-kit io.github.sholajegede/mcp-starter-kit

Universal MCP starter kit with authentication, database, and billing

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MCP development npm Local 20 a week MIT
@akoskm/create-mcp-server-stdio io.github.akoskm/mcp-server-stdio

MCP Server Starter kit using the StdioServerTransport

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MCP development npm Local ISC
adoptai-spendflo-mcp io.github.adoptai/mcp-generator-spendflo

Spendflo MCP server for Cursor, Claude Desktop, Windsurf and VS Code

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MCP development npm Local 5 a week MIT
archidev-mcp io.github.hexstyle/archidev-pdlc-mcp

MCP transport for ArchiDev / PDLC.

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MCP development npm Local 30 a week
@jsamuel1/cmux-mcp io.github.jsamuel1/cmux-mcp

Hardened fork of cmux-mcp: a Model Context Protocol server for controlling the cmux terminal. Adds shell-injection-safe execFile arg passing, read-only/write/dangerous tool annotations, and an updated

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Operating system and shell npm Local 2 a week MIT
@thespeakup/mcp-cli io.github.thespeakup/speakup-mcp-cli

Static-token MCP transport proxy for SpeakUp — bypasses OAuth race in Claude Desktop by reading a long-lived PAT from env and speaking MCP Streamable HTTP to api.speak-up.pro.

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MCP development npm Local 2 a week MIT
@ubuligan/client io.github.jsznpm/create-mcp-toolkit-client

Thin DX layer over the MCP SDK Client: transport helpers, auth, retry and logging

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Monitoring and observability npm Local 2 a week MIT
@ubuligan/server io.github.jsznpm/create-mcp-toolkit-server

Thin DX layer over the MCP SDK server: create a server and boot it over stdio or Streamable HTTP in one call

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MCP development npm Local 2 a week MIT
mcp-inspector-safe io.github.squatguard/mcp-inspector-safe

SquatGuard MCP Template for Node

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MCP development npm · PyPI Local 2 a week BSD-3-CLAUSE
verditnxtgen-mcp-middleware io.github.shopfarnow/verdit-mcp-suite

One-line MCP middleware for VerditNxtGen cryptographic ledger. npm install verditnxtgen-mcp-middleware

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MCP development npm Local 2 a week MIT
xihe-agent io.github.abysscn/xihe

Xihe — a model-agnostic multi-agent runtime. Wright is its first agent: a terminal coding agent with plan mode, code mode, multi-perspective fan-out, a self-consolidating memory, an MCP router, and a

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Memory and context npm Local 2 a week MIT
@affectively/mcp-framework io.github.affectively-ai/mcp-framework

Framework for building Model Context Protocol (MCP) servers with authentication, tool registration, and analytics.

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MCP development npm Local
mcp-inspector-cli io.github.sandeep-petwal/mcp-inspector-cli

CLI tool to explore MCP servers

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MCP development npm Local 7 a week ISC