MCP development MCP servers

523 servers

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

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sombra-mcp io.github.dazld/sombra-mcp

Sombra MCP stdio-to-HTTP bridge. Persistent reader mode for AI.

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MCP development npm Local 6 a week MIT
@anyentity/mcp-utilties io.github.anyentity/mcp-utilities

Utilities to help around MCP transport in NodeJS and other environments

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MCP development npm Local ISC
@tylercoles/mcp-client-http io.github.tylercoles-dev/mcp-framework-mcp-client-http

MCP client for StreamableHTTP transport - wraps HTTP MCP servers with clean TypeScript interfaces

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MCP development npm Local MIT
@tylercoles/mcp-transport-sse io.github.tylercoles-dev/mcp-framework-mcp-transport-sse

Server-Sent Events (SSE) transport for MCP servers

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MCP development npm Local MIT
@tylercoles/mcp-transport-websocket io.github.tylercoles-dev/mcp-framework-mcp-transport-websocket

WebSocket transport for real-time bidirectional MCP communication

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MCP development npm Local MIT
@kotochain/mcp-forge io.github.kotochain/mcp-forge-cli

The fastest way to build MCP Servers - CLI tool for scaffolding, developing, and inspecting MCP servers

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MCP development npm Local 1 a week MIT
habena io.github.vh2225/habena-core

Habena — keep your AI agent on a short rein. MCP middleware proxy: policy guardrails, spend caps, and human approval for AI agents.

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Model and agent tools npm Local 1 a week MIT
@ahmedrowaihi/webcontainer-mcp-transport io.github.ahmedrowaihi/webcontainer-mcp-transport

unofficial WebContainer transport implementation for the Model Context Protocol (MCP). This transport allows you to run MCP servers inside a WebContainer environment in the browser

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MCP development npm Local MIT
corti-mcp io.github.heavaa/corti-mcp-proxy

Claude Desktop stdio-to-Streamable HTTP proxy for Corti API

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Model and agent tools npm Local 6 a week MIT
mcp-sdk-client-ssejs io.github.mybigday/mcp-sdk-client-ssejs

Client transport alternative of @modelcontextprotocol/sdk/client base on sse.js. The main purpose is make it working on React Native with llama.rn.

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MCP development npm Local 55 a week MIT
rust-mcp-axum io.github.rust-mcp-stack/rust-mcp-sdk-2f4ex4

Axum HTTP server integration for rust-mcp-sdk

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MCP development crates.io Local
@chrom-ar/mcp-base io.github.chrom-ar/mcp-base

MCP Framework Library for building MCP servers with Express

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MCP development npm Local MIT
pmcp-code-mode io.github.paiml/rust-mcp-sdk-449n2b

Code Mode validation and execution framework for MCP servers

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MCP development crates.io Local
rust-mcp-extra io.github.rust-mcp-stack/rust-mcp-sdk-zkzwae

A companion crate to rust-mcp-sdk offering extra implementations of core traits like SessionStore and EventStore, enabling integration with various database backends and third-party platforms such as

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Cloud platforms crates.io Local
mcp-https-ruby io.github.example/mcp-https-ruby

Exposes tools over HTTP (SSE) using the MCP SDK.

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MCP development RubyGems MIT
mcp-testing-kit io.github.thoughtspot/mcp-therapy

The testing library you need to test your MCP servers

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Developer tools npm Local 82 a week ISC
@muppet-kit/inspector io.github.muppet-dev/kit-inspector

MCP inspector for debugging and inspecting MCP servers.

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Developer tools npm Local 65 a week MIT
@mseep/bsv-mcp io.github.b-open-io/bsv-mcp-39z9ze

A collection of Bitcoin SV (BSV) tools for the Model Context Protocol (MCP) framework

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Finance and payments npm Local MIT
multipov-mcp-server io.github.capitalthought/multipov-mcp-server

MCP server for multipov.ai — stdio-to-HTTP proxy that forwards tool calls to the hosted multipov.ai MCP endpoint. Exposes 14 tools for multi-perspective AI reviews, persona browsing, and voice rewrite

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Design and media npm Local 1 a week MIT
@cm64/mcp io.github.cm64-studio/cm64-mcp-cli

CM64 MCP stdio-to-HTTP bridge CLI for Claude Code - Deploy apps in 60 seconds

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DevOps and infrastructure npm Local 4 a week MIT
mcp-sse-bridge io.github.anthonyeef/mcp-sse-bridge

Universal stdio-to-HTTP/SSE bridge for Model Context Protocol servers

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MCP development npm Local 22 a week MIT
@robtex/mcp-stdio io.github.robtex/skills-robtex-mcp-stdio

Stdio-to-HTTP proxy for the Robtex MCP server. Lets Claude Desktop, Cursor, Zed and other stdio-only MCP clients connect to https://mcp.robtex.com/mcp.

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MCP development npm Local 1 a week MIT
mcp-test-kits io.github.midodimori/mcp-test-kits

A comprehensive MCP testing server for debugging and testing MCP clients

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Developer tools npm Local 10 a week MIT
@mcp-sdk/server io.github.yourusername/mcp-sdk

MCP SDK Server - Model Context Protocol for TypeScript

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MCP development npm Local MIT
@ff-xiaofan/fastmcp-greeting-server io.github.ff-xiaofan/fastmcp-greeting-server

A FastMCP scaffold project with greeting tool example, built with Node.js and MCP SDK

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Developer tools npm Local 14 a week MIT
@nexus-mcp/stdio-http-bridge io.github.ykq007/mcp-nexus-stdio-http-bridge-kv7v0m

Thin stdio-to-HTTP bridge for mcp-nexus. Connects stdio-only MCP clients to a remote bridge-server over Streamable HTTP.

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MCP development npm Local 3 a week MIT
mcp-tester io.github.paiml/rust-mcp-sdk-pxknzc

Comprehensive MCP server testing tool - library and CLI

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MCP development crates.io Local
@forgem/cli io.github.marcos99b/forgem

From API to MCP server in 6 seconds — generate production-ready MCP servers with smart runtime

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MCP development npm Local 1 a week MIT
baukit-mcp io.github.patrickkoss/baukit

OAuth-protected Streamable HTTP MCP transport and scoped service ports for Baukit products.

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MCP development crates.io Local
@iflow-mcp/mcp-boilerplate io.github.iamsrikanthnani/mcp-boilerplate

Global MCP server boilerplate with example tools and prompts

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Developer tools npm Local 4 a week MIT
mcp-utils io.github.seaofvoices/rust-mcp-utils-jcsp8e

Abstractions that extend rust-mcp-sdk for simplified MCP tool definition and server setup

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MCP development crates.io Local
@mcpm/sdk io.github.mcp-club/sdk

MCP SDK for Node.js. Helps you manage MCP projects programmatically.

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MCP development npm Local AGPL-3.0-ONLY
mcpcodeserver io.github.zbowling/mcpcodeserver

MCP proxy server that translates tool calls into TypeScript code generation

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Developer tools npm Local 5 a week MIT
cargo-pmcp io.github.paiml/rust-mcp-sdk

Production-grade MCP server development toolkit

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MCP development crates.io Local
@the-ihor/mcp-sdk-typescript io.github.the-ihor/mcp-sdk-typescript

Production-ready MCP SDK for TypeScript with automatic Bun optimization, streamable HTTP transport, and real-time session management

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MCP development npm Local 18 a week MIT
@0xtresser/mcpx io.github.0xtresser/mcpx

MCP framework with built-in X402 payment support

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Finance and payments npm Local 10 a week MIT
stevecoug/mcp-devkit io.github.stevecoug/mcp-devkit

Developer tooling for PHP MCP servers built on mcp/sdk — hot-reload tools without restarting the client, and call or inspect them straight from the shell.

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Operating system and shell Packagist MIT
dsl-kit-mcp io.github.ynishi/dsl-kit-7mnvpk

MCP framework (stdio) for dsl-kit — handler + builder + DslHost trait. DSL-agnostic; ship your own DSL as a separate crate.

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MCP development crates.io Local
pmcp-server-toolkit io.github.paiml/rust-mcp-sdk-r6dg3j

Runtime library for config-driven MCP servers — auth, secrets, static resources/prompts, [[tools]] synthesizer, code-mode wiring

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Model and agent tools crates.io Local
mcp-orchestrator-framework io.github.acs-ui/mcp-orchestrator-framework

Generic MCP Framework Server - Configurable analysis frameworks with JSON configuration support

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Model and agent tools npm Local 11 a week MIT
@devpartner/mcp-server io.github.devpartner/mcp-server

MCP STDIO-to-HTTP proxy for DEVPartner - Forwards all requests to HTTP MCP server for perfect feature parity

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MCP development npm Local 25 a week MIT
@jamaalbuilds/lunarcrush-mcp io.github.danilobatson/lunarcrush-mcp-sdk

Lightweight SDK for connecting LLMs to LunarCrush social crypto data via Model Context Protocol (MCP)

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MCP development npm Local 4 a week MIT
@qantuslab/mcp-sdk io.github.qantuslab/mcp-sdk

QantusLab SDK for MCP monitoring, security, and analytics

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MCP development npm Local 7 a week MIT
oomol-block-mcp-sdk io.github.oomol-lab/oomol-block-mcp-sdk-ts

MCP Server SDK for Oomol Cloud Block API

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MCP development npm Local 6 a week MIT
iflow-mcp_http-4-mcp io.github.iflow-mcp/http-4-mcp

HTTP-4-MCP configuration tool allows you to easily convert HTTP API to MCP tool without writing code

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Utilities PyPI Local MIT
remote-mcp-server-tester io.github.ytkoka/mcp-tester

MCP Server Tool Inspector - connect, list tools, estimate token usage

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MCP development PyPI Local MIT
mcp-define io.github.yracnet/vite-plugin-mcp-builder

Define MCP (Model Context Protocol) servers

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MCP development npm Local 2 a week MIT
@aerostack/gateway com.npmjs.aerostack/gateway

stdio-to-HTTP bridge connecting any MCP client to Aerostack Workspaces, with pair-a-machine + always-on connector

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MCP development npm Local 233 a week MIT