MCP development MCP servers

523 servers

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

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@umbraco-cms/mcp-server-sdk io.github.umbraco/umbraco-mcp-base

Umbraco-specific MCP infrastructure and patterns for building MCP servers

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MCP development npm Local MIT
@vistal/mcp-sdk io.github.vista-libs/vista-mcp-sdk

Library to turn your app's database into an MCP server for coding agents (Claude Code) — adapter-agnostic, row-level security, zero SQL

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Databases npm Local MIT
@webda/mcp io.github.loopingz/webda.io-mcp

MCP transport for Webda.io — exposes operations as Model Context Protocol tools and resources

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MCP development npm Local LGPL-3.0-ONLY
@xpufx/mcp-gateway io.github.xpufx/paseo

Headless composite MCP router and lightweight REST control server

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Model and agent tools npm Local MIT
autojs6-mcp-bridge io.github.supermonster003/autojs6-mcp-bridge

stdio to Streamable HTTP bridge for the AutoJs6 MCP Server plugin: lets stdio-only MCP clients such as Claude Desktop reach the phone

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MCP development npm Local 177 a week MPL-2.0
Ts Debugger io.github.DigitalDefiance/ts-mcp-debugger

Enterprise debugging for Node.js/TypeScript with 25+ tools: breakpoints, profiling, hang detection

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Developer tools Official MCP Registry Local
@meewmeew/mcp io.github.mewisme/mcp-server

MCP management server: plugin loading, lifecycle, persistence, stdio MCP transport.

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MCP development npm Local MIT
@clustly/agent io.github.clustly-ai/clustly-v2-sdk

TypeScript SDK, CLI, and MCP server for running an AI agent as a seller on Clustly — a USDC-escrow agent marketplace on Solana. One runtime dependency (the MCP SDK, loaded only by clustly mcp); otherw

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Developer tools npm Local 126 a week MIT
@livhana/age-gate-mcp io.github.rnd-technology/livhana-sot-age-gate

MCP server for 21+ age verification and 50-state hemp compliance. Fail-closed, zero dependencies beyond MCP SDK.

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Developer tools npm Local MIT
symfony/mcp-bundle io.github.symfony/mcp-bundle

Symfony integration bundle for Model Context Protocol (via official mcp/sdk)

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MCP development Packagist MIT
@valv/mcp-sdk io.github.valv-dev/valv-mcp-sdk

Library to turn your app's database into an MCP server for coding agents (Claude Code) — adapter-agnostic, row-level security, zero SQL

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Databases npm Local 24 a week MIT
@arcadeai/arcade-mcp io.github.arcadeai/arcade-mcp-ts

TypeScript MCP framework with secret injection, OAuth auth providers, multi-user support, worker routes, and middleware

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MCP development npm Local MIT
@portel/photon io.github.portel-dev/photon

Build MCP servers, CLI tools, and web dashboards for AI agents from a single TypeScript file.

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Data warehouses and analytics npm Local 84 a week MIT
@venlyfinance/settlement-mcp io.github.venly/venly-settlement-sdk-settlement-mcp

Venly Finance MCP: SDK-backed tools, resources and prompts for building international money products safely.

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Model and agent tools npm Local 59 a week MIT
alibabacloud-dataworks-mcp-server io.github.aliyun/alibabacloud-dataworks-mcp-server-w7cv80

DataWorks MCP Server: Export the DataWorks Open API to MCP Server, allowing clients that can run MCP Server to use DataWorks Open API through AI.

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MCP development npm Local 59 a week APACHE-2.0
@x402-avm/mcp io.github.goplausible/x402-avm

x402 Payment Protocol with Algorand integration - MCP SDK

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Finance and payments npm Local APACHE-2.0
@chrrxs/robloxstudio-mcp-inspector io.github.chrrxs/robloxstudio-mcp-tejade

DataModel read-only MCP server for inspecting and debugging Roblox Studio from AI coding tools

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MCP development npm Local 55 a week MIT
@slbdn/mcp-tester io.github.islobodan/mcp-tester

Minimal MCP client implementation for CI/CD testing of MCP servers

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DevOps and infrastructure npm Local 52 a week MIT
@zhoujinandrew/mcp-te-server io.github.zjandrew/mcp-te-server

MCP proxy server for ThinkingEngine system with automatic authentication

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Model and agent tools npm Local MIT
super-mcp-router io.github.mindstone/super-mcp

A local MCP router that aggregates multiple MCPs into a single interface for Claude

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MCP development npm Local 48 a week MIT
@mateusz-klatt/snapper-mcp io.github.mateusz-klatt/snapper-mcp

Lightweight stdio-to-HTTP MCP bridge from Claude Desktop / Claude Code to Snapper /api/mcp, with a `watch` subcommand that streams live signal + order events as JSONL via the /api/auth/ws_token endpoi

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Calendar and scheduling npm Local 47 a week MIT
@burdenoff/mcp-libs io.github.algoshred/mcp-libs

Modular MCP SDK shared across all Burdenoff product MCPs (vibecontrols, botlit, fluidgrids, bigconsole, healthybowl, workspaces). Each module exports an McpModule contract; product MCPs become thin sh

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Operating system and shell npm Local 463 a week
@aauth/mcp-stdio io.github.aauth-dev/packages-js-mcp-stdio

Stdio-to-HTTP proxy for MCP with AAuth signatures

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MCP development npm Local 39 a week MIT
loopback4-mcp io.github.sourcefuse/loopback4-mcp

A loopback extension that exposes API to MCP Tools.

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MCP development npm Local 39 a week MIT
@dapi/tgcli io.github.dapi/tgcli

Telegram CLI + MCP server powered by MTProto and the official MCP SDK

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Communication and chat npm Local 38 a week MIT
@hasna/nopen io.github.hasna-products/nopen

nopen client — build and manage autonomous sites from your terminal. CLI + MCP server + SDK for nopen.co.

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Operating system and shell npm Local 36 a week APACHE-2.0
@intyga/mcp-sdk io.github.intyga-dev/mcp-mcp-sdk

Wrap an MCP server so every tool call is gated behind a cryptographically-signed human approval (local policy + INTYGA gateway step-up).

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MCP development npm Local 33 a week APACHE-2.0
@hlos/mcp-sdk io.github.hlos-ai/mcp-servers

Surface SDK for HLOS MCP servers — bootstrap, auth, and Kernel client

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MCP development npm Local APACHE-2.0
@araw/robloxstudio-mcp-inspector io.github.arawstudiosofficial/robloxstudio-mcp-rgz34e

DataModel read-only MCP server for inspecting and debugging Roblox Studio from AI coding tools

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MCP development npm Local 28 a week MIT
iflow-mcp_jlowin-fastmcp io.github.jlowin/fastmcp

The fast, Pythonic way to build MCP servers and clients.

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MCP development PyPI Local APACHE-2.0
steamedclaw-mcp io.github.steamedclaw/steamedclaw-mcp

Local single-tenant SteamedClaw MCP server for MCP-native agent runtimes (Hermes, Moltis, NanoClaw). One process per agent; HTTP-only client of the SteamedClaw public API; streamable-HTTP MCP transpor

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MCP development npm Local 26 a week MIT
Tool Filter MCP io.github.respawn-app/tool-filter-mcp

MCP proxy server that filters tools from upstream MCP servers via regex-based deny list

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Developer tools Official MCP Registry · npm Local 1.1k a week MIT
trustmydocs io.github.trustmydocs/trustmydocs-sdk

Vérification de documents officiels français (avis d'imposition, 2D-Doc, carte d'identité, bulletin de paie, dossier locataire) depuis Node.js, la ligne de commande ou un client MCP. SDK, CLI et serve

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Docs and knowledge bases npm Local 25 a week APACHE-2.0
@bryan-thompson/inspector-assessment io.github.triepod-ai/inspector-assessment

Enhanced MCP Inspector with comprehensive assessment capabilities for server validation

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MCP development npm Local 84 a week MIT
webmcp io.github.seunghan91/webmcp

A dependency-free Ruby core for immutable WebMCP definitions and safe manifests, with optional MCP SDK projection and Rails 7.1+ integration.

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Developer tools RubyGems MIT
@kkier/things-mcp io.github.kierr/things-mcp

Minimal, token-light Things 3 MCP server. Direct-SQLite reads, URL-scheme writes, native Streamable HTTP + stdio. MCP SDK v2 + Zod v4.

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Databases npm Local 20 a week MIT
@alsania-io/mcpnyx io.github.alsania-dev/mcpnyx

MCPNyx - Advanced MCP proxy server for Nyx extension. Run multiple MCP stdio-based and SSE-based servers through a unified SSE/HTTP/WebSocket endpoint.

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Model and agent tools npm Local MIT
@openapi-to/mcp io.github.openapi-to/openapi-to-mcp

Bounded stdio MCP adapter with Generation v2 developer, read-only, and hardened generation modes

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Developer tools npm Local 18 a week MIT
@pageindex/mcp-sdk io.github.vectifyai/pageindex-mcp-sdk

PageIndex MCP SDK - Document processing tools for AI agents via Model Context Protocol

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MCP development npm Local MIT
@blackunicorn/bonklm-mcp io.github.blackunicornsecurity/bonklm-mcp-connector

MCP SDK connector for BonkLM

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MCP development npm Local 17 a week APACHE-2.0
agensai io.github.agensai/poc-mcp

agensai POC. ENS-native agent wallets on JAW. A starter template, one opinion of many.

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Finance and payments npm Local 17 a week MIT
@hasna/dispatch io.github.hasna/dispatch

Dispatch prompts to coding agents in tmux windows — reliable auto-submit, long-prompt support, delivery confirmation, scheduled + cross-machine dispatch. CLI + MCP + SDK + daemon.

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Model and agent tools npm Local 16 a week APACHE-2.0
local-coder-feedback-codegraph-mcp io.github.lllli223/codex-workspace-codegraph-mcp

A ChatGPT Web local coding runtime with official MCP transports, reviewable patch transactions, CodeGraph, Serena, and a standalone Chinese feedback and approval WebUI.

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MCP development npm Local 16 a week MIT
toad-tunnel-mcp io.github.vola-trebla/toad-tunnel-mcp

Multi-environment PostgreSQL MCP router with SSH tunnel management

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Databases npm Local 9 a week MIT
@6xvl/robloxstudio-mcp-inspector io.github.6xvl/robloxstudio-mcp-server-y78hvq

Read-only Roblox Studio MCP server (inspector edition). Extended fork.

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MCP development npm Local 15 a week MIT
KitGrade MCP tech.thecompound/kitgrade

KitGrade: Starter kits and boilerplates, graded by installing them.

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Developer tools Official MCP Registry · npm Local 32 a week
@mcptoolshop/db-cluster io.github.mcp-tool-shop-org/db-cluster

AI-native federated database cluster with typed errors, mutation receipts, and MCP/SDK/CLI surfaces — for AI agents needing trustworthy retrieval and operators needing safe writes.

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Databases npm Local 14 a week MIT
@gonzalomonzonc/mcp-transport io.github.gonzalomonzonc/lumen-protocol

LUMEN binary transport for Model Context Protocol (MCP) — drop-in replacement for JSON-RPC transports

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MCP development npm Local 3 a week MIT