Developer tools MCP servers

7,059 servers

Build, test, lint and debug code from your client: linters, test runners, package managers and language tools.

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malicious-mcp-server io.github.anysource-ai/malicious-mcp-server

A deliberately malicious MCP server for E2E testing purposes

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Developer tools npm Local 5.5k a week MIT
@fernforge/mcp-conform io.github.fernforge/mcp-conform

Author-side conformance, safety & spec-migration linter for MCP (Model Context Protocol) servers — eslint for your MCP server. Checks tool annotations, schema hygiene, tool-poisoning/injection pattern

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Developer tools npm Local 3 a week MIT
audit-mcp-cli io.github.double527/audit-mcp-cli

Lightweight dependency vulnerability audit tool with CLI and MCP Server support

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Developer tools npm Local 3 a week MIT
codescan-mcp io.github.yifanyifan897645/codescan-mcp

MCP server that scans your codebase for TODOs, FIXMEs, code complexity, file stats, and tech debt signals. Zero config.

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Developer tools npm Local 17 a week MIT
Lenspr io.github.kyrylopr/lenspr

Stop vibecoding blind. Code graph so your AI stops breaking things across your codebase.

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Developer tools Official MCP Registry Local
rubygems_mcp io.github.amkisko/rubygems_mcp.rb

Ruby gem providing RubyGems and Ruby version information via MCP server tools. Integrates with Cursor IDE via Model Context Protocol.

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Developer tools RubyGems MIT
@giuseppe.trisciuoglio/pi-jetbrains-mcp io.github.giuseppe-trisciuoglio/pi-jetbrains-mcp

Expose JetBrains IDE MCP Server tools as native pi tools across multiple IDEs.

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Developer tools npm Local 13 a week MIT
@justmpm/supergrep io.github.just-mpm/supergrep

Busca estrutural de código com AST Grep + MCP server. Encontra padrões com precisão sintática, ignorando formatação e comentários. Suporta TypeScript, JavaScript, TSX, CSS e HTML. Usável como bibliote

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Developer tools npm Local 13 a week MIT
@kagayoi/app-publish-mcp io.github.1llum1n4t1s/kg.app-publish-mcp

Unified MCP server for App Store Connect & Google Play Console

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Developer tools npm Local 13 a week MIT
@kroombase/mcp io.github.kroombase/kroombase-sdk-mcp

KroomBase MCP server — connect Claude, Cursor, VS Code or any MCP client to your KroomBase backend. One session token reaches every project, its API key, SQL and storage.

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Developer tools npm Local 13 a week MIT
@maheshmishra271090-design/android-dev-mcp io.github.maheshmishra271090-design/android-dev-mcp

Unified MCP server for Android development — combines project knowledge, Android CLI execution, live dependency versions, and agentic workflow tools for Claude Code.

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Developer tools npm Local 13 a week MIT
@qastudio-dev/mcp-server io.github.qastudio-dev/mcp-server

MCP server for QA Studio - interact with your test management platform from Claude

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Developer tools npm Local 13 a week AGPL-3.0
@smithgray/usm io.github.smith-gray-pty-ltd/usm

Universal System Map — structured source of truth for agentic systems. CLI + MCP server + JSON Schema + generators (markdown, Mermaid, OpenAPI, ArchiMate, TOGAF).

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Developer tools npm Local 13 a week MIT
@uuv/mcp-server io.github.e2e-test-quest/uuv-mcp-server

A Model Context Protocol (MCP) server for UUV - a solution to facilitate the writing and execution of E2E tests understandable by any human being(English or French) using cucumber(BDD) and cypress or

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Developer tools npm Local 13 a week MIT
anyindex-mcp io.github.officialalexeev/anyindex-mcp

Fully local MCP server for indexing a codebase and answering semantic search queries about it. No external API calls, no telemetry, no server process to run.

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Developer tools npm Local 13 a week MIT
api-spec-cli io.github.niradler/api-spec-cli

Agent-friendly CLI for exploring and calling OpenAPI and GraphQL APIs

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Developer tools npm Local 13 a week MIT
axle-mcp io.github.asafamos/axle-axle-mcp

MCP (Model Context Protocol) server — exposes the axle WCAG 2.2 AA scanner as a tool for Claude Desktop, Cursor, Cline, and any MCP-compatible agent.

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Developer tools npm Local 13 a week MIT
aza-mcp io.github.abdulkereem/aza-mcp

Aza MCP server — buy airtime, data and pay bills from your own Azabill wallet, right inside your code editor (Claude, Cursor, VS Code, Windsurf). Model Context Protocol server for Nigerian airtime & d

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Developer tools npm Local 13 a week MIT
claude-mcp-context io.github.nyrilol/mcp-context-manager

Blazing-fast semantic code toolkit for Claude - Smart context, git-aware indexing, symbol editing, find references. 15+ languages, NO LSP needed, 100% free

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Developer tools npm Local 41 a week MIT
docstring-mcp io.github.behnoudmst/docstring

Semantic code search and cited answers over your codebase, for coding agents. Runs entirely locally.

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Developer tools npm Local 13 a week MIT
mcp-readedit io.github.abnersajr/mcp-readedit

MCP server that combines Read+Edit operations into single tool calls — 80-95% fewer tool calls for multi-file refactoring

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Developer tools npm Local 13 a week MIT
proxy-finder-mcp io.github.shakthizen/proxy-finder-mcp

MCP server that finds and validates working free HTTP/HTTPS/SOCKS proxies by country, for geofenced requests and debugging blocked curls.

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Developer tools npm Local 13 a week MIT
ragcode-context-engine io.github.marshalleriksen-neura/ragcode

Local code intelligence foundation: structural code graph, LanceDB semantic layer, retrieval, context packing, and MCP tools.

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Search and retrieval (RAG) npm Local 13 a week MIT
repomap-mcp io.github.fl0w1nd/repomap-mcp

MCP server and CLI tool for generating repository maps using Tree-sitter AST analysis and PageRank ranking

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Developer tools npm Local 13 a week MIT
speclore io.github.cheneyzhang93/speclore

AI-powered CLI for BDD specs, coding constraints & acceptance testing. MCP-native.

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Developer tools npm Local 13 a week MIT
codeblog-mcp io.github.tianqian1238/codeblog-mcp

CodeBlog MCP server — 29 tools for AI agents to fully participate in a coding forum. Scan 9 IDEs, auto-post insights, generate daily reports, manage agents, edit/delete posts, bookmark, notifications,

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Developer tools npm Local 43 a week MIT
debug-mcp io.github.rira100000000/debug-mcp

An MCP (Model Context Protocol) server that provides LLM agents with access to runtime context of executing Ruby processes. Connect to debug sessions, evaluate code, inspect objects, and control execu

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Developer tools RubyGems MIT
@prettier/mcp io.github.prettier/prettier-mcp

MCP server for Prettier.

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Developer tools npm Local MIT
@xcodeyang/ffs-mcp-server io.github.zhipingyang/ffs-mcp-server

MCP Server for FFS (Feature Flag Service) management

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Developer tools npm Local MIT
rmcp-server-builder com.gitlab.lx-industries/rmcp-server-builder

Composable MCP server builder for zero-boilerplate capability composition

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Developer tools crates.io Local
Code Sentinel io.github.salrad22/code-sentinel

Code quality analysis MCP server - detects security issues, deceptive patterns, and placeholders

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Developer tools Official MCP Registry · npm Local 27 a week MIT
Omni Scanner io.github.Pantheon-LadderWorks/omni-scanner

Codebase observatory with 56+ scanners for git health, architecture, and documentation.

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Developer tools Official MCP Registry Local
Schemaguard io.github.sethclawd-prog/schemaguard

API Schema Drift Monitor — detect breaking changes in OpenAPI specs

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Developer tools Official MCP Registry Local
@basementstudio/qa-mcp io.github.basementstudio/qa

MCP server over stored qa runs. Provides the `qa-mcp` stdio binary.

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Developer tools npm Local
@cafinxmcp/openapi-mcp io.github.cafinx/cafinx-cafinx-openapi

CAFINX 开放接口 MCP。用商户自己的 Access Key 和私钥签名，不把卡号和安全码交给模型。

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Developer tools npm Local
@dmc--98/blindfold-mcp io.github.dmc-98/blindfold-auth-auth-mcp

MCP server for Blindfold Auth: lets an agent or IDE create projects, issue keys, configure roles/policies, and generate integration snippets.

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Developer tools npm Local
@double2dev/online-tone-generator-mcp io.github.double2dev/online-tone-generator-mcp

An official MCP server for Online Tone Generator. Discover audio frequencies for instrument tuning, acoustic testing, meditation, and generate direct listening links.

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Developer tools npm Local
@fabricaalpar/alsync-ai-mcp io.github.alpar-ai-standards/alsync-ai-mcp-mcp

Servidor MCP do Alsync (produto da Alpar): expõe skills e subagentes oficiais para qualquer IDE/LLM com suporte a MCP

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Developer tools npm Local
@fabricaalpar/mcp io.github.alpar-ai-standards/alpar-ai-mcp-mcp

Servidor MCP da Alpar: expõe skills e subagentes oficiais para qualquer IDE/LLM com suporte a MCP

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Developer tools npm Local
@finctl/mcp io.github.finctl/finctl-mcp

FinCtl MCP server — AWS cost intelligence inside AI-assisted dev tools (Cursor, VS Code, Kiro, Claude Code, and any MCP client).

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Developer tools npm Local
@freeconnect/mcp io.github.mazama-ai/ace.frontend.webform

MCP server — check ISP availability at any US address

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Developer tools npm Local
@grail-ai/mcp io.github.ryancbahan/grail-ai

Grail MCP server — codebase analysis for AI agents

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Developer tools npm Local
@hodor-ai/mcp-decoy io.github.trycolibri/mcp-decoy

A configurable mock MCP server with a live web UI, for debugging MCP clients

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Developer tools npm Local
@junis/erp-junis-mcp io.github.tooeasy-crew/erp-junis-mcp

영림원 K-System OpenAPI MCP server

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Finance and payments npm Local
@kealthas-dev/opencode-mcp-java-lsp io.github.keal-thas/opencode-toolkit-java-lsp

MCP server exposing jdtls (Java LSP) code-intelligence tools - see README.md for design and the config.json-driven config

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Developer tools npm Local
@kealthas-dev/opencode-mcp-spring-lsp io.github.keal-thas/opencode-toolkit-spring-lsp

MCP server exposing spring-boot-language-server (Spring-aware LSP) code-intelligence tools - see README.md for design and the config.json-driven config

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Developer tools npm Local
@kk-irving/opengrok-mcp-server io.github.kk-irving/whaletv-dev-power-opengrok-mcp-server

OpenGrok Code Search MCP Server for WhaleTV Developer Power; v1.2.1 fixes bin path (removed leading ./ that npm 7+ strips) and adds sot-loader for v3 SoT (~/.ai/whaletv.yaml) with env-priority fallbac

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Developer tools npm Local
@lifesi/genesis-mcp io.github.l1felabs/genesis-api-mcp

Genesis MCP server (stdio + streamable HTTP): tools generated from the Genesis OpenAPI

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Developer tools npm Local