MCP development MCP servers

523 servers

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

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onemcp com.npmjs/onemcp

MCP Router System - Intelligent routing layer between MCP clients and multiple backend MCP servers

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MCP development npm Local 27 a week MIT
marona-sdk io.github.blessingnyuwani/agentnet-mcp-sdk

Official Rust SDK for building Marona-compatible MCP Apps

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MCP development crates.io Local
@100xprompt/chitta com.npmjs.100xprompt/chitta

Chitta - permission-aware memory for AI agents: a knowledge-graph + vector memory MCP server + SDK with per-user access control. Runs on Bun. By 100xprompt.

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Memory and context npm Local 18 a week MIT
inspector-mcp io.github.rajkavadia/tokio-mcp-inspector

Read-only Tokio runtime investigation MCP server (stdio)

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MCP development crates.io Local
@mcpframework/mcp-framework-docs com.npmjs.mcpframework/mcp-framework-docs

MCP documentation server for mcp-framework — add mcp-framework docs to Claude Code, Cursor, or any MCP client

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Docs and knowledge bases npm Local MIT
authplane-mcp io.github.authplane/rust-sdk

Authplane adapter helpers for the official Rust MCP SDK.

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MCP development crates.io Local
@axiolex/mcp-gateway com.npmjs.axiolex/mcp-gateway

Stdio-to-HTTP proxy for Axiolex MCP. Connects stdio-only MCP clients (Claude Desktop, Cursor, Codex) to a remote Axiolex server.

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Model and agent tools npm Local 11 a week MIT
@dragonkit-mcp/core com.npmjs.dragonkit-mcp/core

Part of the @dragonkit-mcp MCP framework monorepo.

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MCP development npm Local AGPL-3.0-ONLY
@dragonkit-mcp/testkit com.npmjs.dragonkit-mcp/testkit

Part of the @dragonkit-mcp MCP framework monorepo.

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MCP development npm Local AGPL-3.0-ONLY
@dragonkit-mcp/transport-stdio com.npmjs.dragonkit-mcp/transport-stdio

Part of the @dragonkit-mcp MCP framework monorepo.

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MCP development npm Local AGPL-3.0-ONLY
@dragonkit-mcp/transport-streamable-http com.npmjs.dragonkit-mcp/transport-streamable-http

Part of the @dragonkit-mcp MCP framework monorepo.

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MCP development npm Local AGPL-3.0-ONLY
ai-proj-mcp com.npmjs/ai-proj-mcp

AI Project Management MCP SDK for Claude Code

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Project management npm Local 10 a week ISC
@fazer-ai/mcp-inspector com.npmjs.fazer-ai/mcp-inspector

Model Context Protocol inspector

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MCP development npm Local MIT
@fazer-ai/mcp-inspector-cli com.npmjs.fazer-ai/mcp-inspector-cli

CLI for the Model Context Protocol inspector

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MCP development npm Local MIT
@fazer-ai/mcp-inspector-client com.npmjs.fazer-ai/mcp-inspector-client

Client-side application for the Model Context Protocol inspector

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MCP development npm Local MIT
@fazer-ai/mcp-inspector-server com.npmjs.fazer-ai/mcp-inspector-server

Server-side application for the Model Context Protocol inspector

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MCP development npm Local MIT
redis-mcp-transport io.github.lloydzhou/redis-mcp-transport

Redis-based transport layer for Model Context Protocol with SSE support

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Databases npm Local 32 a week MIT
@dxheroes/local-mcp-backend com.npmjs.dxheroes/local-mcp-backend

NestJS API server providing MCP proxy, server aggregation, OAuth 2.1, and profile management

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Model and agent tools npm Local ELASTIC-2.0
@fre4x/inspector-bridge com.npmjs.fre4x/inspector-bridge

MCP inspector bridge server for connecting agents to other MCP servers without a browser.

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Browser automation npm Local 9 a week MIT
@vijaynkw/mcp-router com.npmjs.vijaynkw/mcp-router

Smart MCP router — four modes (router, delegated, passthrough, smart) with support for Anthropic Claude, Ollama, Groq, and any OpenAI-compatible provider

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MCP development npm Local 9 a week MIT
arunsiv-mcp-inspector com.npmjs/arunsiv-mcp-inspector

A custom MCP Client built with React and Node.js

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MCP development npm Local 9 a week MIT
@cloudbase/mcp-inspector-client com.npmjs.cloudbase/mcp-inspector-client

Client-side application for the Model Context Protocol inspector

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MCP development npm Local MIT
@cloudbase/mcp-inspector-server com.npmjs.cloudbase/mcp-inspector-server

Server-side application for the Model Context Protocol inspector

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MCP development npm Local MIT
@iflow-mcp/nacos-group-nacos-mcp-router com.npmjs.iflow-mcp/nacos-group-nacos-mcp-router

Nacos MCP Router TypeScript implementation

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MCP development npm Local ISC
@iflow-mcp/overstarry-qweather-mcp com.npmjs.iflow-mcp/overstarry-qweather-mcp

QWeather MCP SDK CLI Tool

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MCP development npm Local ISC
@qnaptics/mcp-forge com.npmjs.qnaptics/mcp-forge

Build MCP servers from declarative definitions

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MCP development npm Local 7 a week MIT
nette/mcp-inspector io.github.nette/mcp-inspector

🔭 MCP server for Nette application introspection

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MCP development Packagist BSD-3-CLAUSE-OR-GPL-2.0-ONLY-OR-GPL-3.0-ONLY
@muneemji/mcp-client com.npmjs.muneemji/mcp-client

MCP stdio bridge to the Muneemji remote MCP server (official MCP SDK)

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MCP development npm Local 6 a week MIT
ria6-architecture-router-mcp com.npmjs/ria6-architecture-router-mcp

Generic MCP router for L0-L6 architecture docs — any project with doc-index.yaml

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Docs and knowledge bases npm Local 6 a week MIT
@ainative/skill-mcp-development com.npmjs.ainative/skill-mcp-development

MCP server development patterns extending Anthropic's mcp-builder with AINative-specific conventions for building tool-based AI systems

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MCP development npm Local 5 a week MIT
@labring/sealos-mcp-sdk com.npmjs.labring/sealos-mcp-sdk

sealos mcp sdk for OpenAPI integration with MCP

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MCP development npm Local 11 a week ISC
oomol-cloud-mcp-sdk com.npmjs/oomol-cloud-mcp-sdk

MCP Server SDK aligned with the Oomol Cloud Task TypeScript SDK

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MCP development npm Local 16 a week MIT
@iflow-mcp/tyktechnologies-api-to-mcp com.npmjs.iflow-mcp/tyktechnologies-api-to-mcp

Generates MCP tool code from OpenAPI specs

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MCP development npm Local 17 a week MIT
@aerostack/openclaw-bridge com.npmjs.aerostack/openclaw-bridge

stdio-to-HTTP bridge connecting OpenClaw to Aerostack Workspaces via MCP

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MCP development npm Local 10 a week MIT
@tyk-technologies/api-to-mcp com.npmjs.tyk-technologies/api-to-mcp

Generates MCP tool code from OpenAPI specs

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MCP development npm Local 65 a week MIT
@openclaw-cloud/mcp-proxy com.npmjs.openclaw-cloud/mcp-proxy

Stdio-to-HTTP bridge for MCP servers. Lets stdio-only MCP clients (OpenClaw, Claude Desktop) connect to remote Streamable HTTP MCP servers.

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Model and agent tools npm Local 10 a week MIT
@mcp-wallet/sdk com.npmjs.mcp-wallet/sdk

Extend the MCP SDK with on-chain transaction signing capabilities

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Finance and payments npm Local 12 a week MIT
@iflow-mcp/hypermodel-labs-mcp-server-template com.npmjs.iflow-mcp/hypermodel-labs-mcp-server-template

A starter template for building your own Model Context Protocol (MCP) server. This template provides the basic structure and setup needed to create custom MCPs that can be used with Cursor or Claude D

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MCP development npm Local ISC
@f17/notsy-mcp com.npmjs.f17/notsy-mcp

Official Notsy MCP stdio server. Exposes the Notsy Integration API to MCP-capable AI clients (Claude Code, Gemini CLI, Codex).

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Model and agent tools npm Local 3 a week MIT
@fre4x/mcp-inspector com.npmjs.fre4x/mcp-inspector

MCP server wrapping the MCP Inspector CLI — lets AI agents test any MCP server without a browser.

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MCP development npm Local 3 a week MIT
luckieverse-mcp com.npmjs/luckieverse-mcp

Luckieverse SDK MCP Server - SDK 연동 DX를 높이는 도구 모음

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MCP development npm Local 3 a week ISC
@lit-protocol/vincent-mcp-sdk com.npmjs.lit-protocol/vincent-mcp-sdk

Vincent Model Context Protocol SDK

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MCP development npm Local ISC
openapi-mcp-generator org.pypi/openapi-mcp-generator

Generate MCP servers from OpenAPI specifications

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Developer tools PyPI Local MIT
latchkey-proxy com.npmjs/latchkey-proxy

MCP proxy server that intercepts dangerous AI agent tool calls for human approval via Slack or email

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Model and agent tools npm Local 2 a week MIT
openapi-to-mcp-bridge-mcp com.npmjs/openapi-to-mcp-bridge-mcp

Bridge any OpenAPI 3.x spec → MCP server in one call. Inspect tools, preview JSON Schemas, generate a runnable Node MCP server, or stream-call endpoints live without writing a wrapper.

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Developer tools npm Local 1 a week MIT
upi-mcp com.npmjs/upi-mcp

A **Model Context Protocol (MCP) server** for India's UPI. It gives AI assistants (Claude Desktop, Cursor, Cline, the MCP Inspector, etc.) the ability to **generate and parse UPI payment links and QR

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Finance and payments npm Local 1 a week ISC
@bhootna/mcp-testing-health-fixer com.npmjs.bhootna/mcp-testing-health-fixer

Custom MCP server for test generation, compilation/lint diagnostics, and auto-fixes

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Developer tools npm Local
@emmamind/easylog-mcp com.npmjs.emmamind/easylog-mcp

EasyLog MCP stdio adapter (maps REST API to MCP tools)

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Maps and location npm Local