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6,916 servers

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

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  1. Shift io.github.cyanheads/shift-mcp-server

    Lightweight coordination layer for multiple AI agents working on the same codebase simultaneously.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local Remote 53 a week APACHE-2.0

  2. Dependency License Change io.github.mrfentmen/dependency-license-change-mcp

    Compare local license evidence across two snapshots without returning package names, text,...

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 53 a week MIT

  3. Regex Test io.github.MukundaKatta/regex-test-mcp

    Trustworthy JS regex testing. Real offsets, named groups, safe against zero-width loops.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 14 a week MIT-OR-APACHE-2.0

  4. A11y Check com.a11ychk/mcp

    Web accessibility scanning (WCAG 2.2 AA + KWCAG 2.2) with Korean remediation guides

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 52 a week APACHE-2.0

  5. Vibe Hnindex io.github.AndyAnh174/vibe-hnindex

    Index source code into a local knowledge base, search with keyword + semantic + hybrid modes.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 52 a week MIT

  6. OpenGrok MCP Server io.github.IcyHot09/opengrok-mcp-server

    MCP server bridging OpenGrok search engine with AI for instant context across massive codebases.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 52 a week POLYFORM-NONCOMMERCIAL-1.0.0

  7. FailTrace io.github.LBarimi/failtrace

    Debugging experiments for coding agents: reproduce failures and verify fixes with test evidence.

    Version check not run yet

    Coding agent tools Official MCP Registry · npm Local 52 a week MIT

  8. Solhint io.github.vschernoff/solhint-mcp

    MCP server for Solhint — lint and autofix Solidity smart contracts from any MCP client

    Version check not run yet

    Finance and payments Official MCP Registry · npm Local 52 a week MIT

  9. pkgxray io.github.adamsjack711-ux/pkgxray

    Pre-install security scans for npm packages, MCP servers, and AI agents with cited verdict evidence.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 51 a week MIT

  10. codebase-synapse io.github.iwiels/codebase-synapse

    Indexes codebase into a local knowledge graph with 40+ AI tools and codebase-guard.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 51 a week MIT

  11. RentAHuman io.github.rentahuman-ai/rentahuman

    Hire humans for digital microtasks, research, QA, data evaluation, and physical-world tasks.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 1.1k a week MIT

  12. Fluxdots com.fluxdots/mcp

    Play ranked FluxDots matches against humans on a shared Elo ladder. Zero-dependency stdio server.

    Version check not run yet

    Developer tools Official MCP Registry · GitHub MCP Registry · npm Local 23 a week MIT

  13. Ui Ux Suite io.github.Aboudjem/ui-ux-suite

    UI/UX design-audit MCP server: scores a project on 12 dimensions vs WCAG 2.2 + APCA.

    Not checked yet

    Developer tools Official MCP Registry · npm 50 a week MIT

  14. Predictive Debugger io.github.SpeedosDK/predictive-debugger

    Predicts where JavaScript and TypeScript code will fail at runtime, for coding agents.

    Version check not run yet

    Coding agent tools Official MCP Registry · npm Local 50 a week MIT

  15. Postman Echo io.github.mrfentmen/postman-echo-mcp

    HTTP request echo from Postman Echo. No key required.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 50 a week MIT

  16. 4da io.github.runyourempire/4da-mcp-server

    Dependency intelligence for AI agents. CVE scanning, health checks, upgrade planning.

    Version check not run yet

    Developer tools Official MCP Registry Local

  17. Tsconfig Inheritance Flattener io.github.vola-trebla/tsconfig-inheritance-flattener-mcp

    Resolves TypeScript config inheritance chains and returns effective compiler options per file.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 13 a week MIT

  18. Project Human io.github.humanity4ai/project-human

    9 humanity skills for AI agents — crisis detection, WCAG 2.2, empathy, cultural sensitivity

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 49 a week MIT

  19. Lockstep io.github.mrfentmen/lockstep-mcp

    Local lockfile and package-manager reproducibility analysis without dependency details. Tools...

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 49 a week MIT

  20. sunpeak io.github.alignbase/sunpeak

    App framework, testing framework, and inspector for MCP Apps.

    Version check not run yet

    Developer tools npm Local 1.4k a week MIT

  21. Multi-MCP io.github.religa/multi-mcp

    Multi-model AI orchestration MCP server with code review, compare, and debate tools.

    Version check not run yet

    Developer tools Official MCP Registry · PyPI Local MIT

  22. mcp-python-refactoring io.github.slamer59/mcp-python-refactoring

    MCP tool to guide Python code refactoring without automatic changes

    Version check not run yet

    Developer tools PyPI · Docker Hub · Docker MCP Catalog Local MIT

  23. comber io.codecomber/comber

    Every-click AI QA: walks your whole app from a preview URL and reports broken clicks and errors.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 48 a week SEE-LICENSE-IN

  24. Deps Dev io.github.mrfentmen/deps-dev-mcp

    Open source dependency metadata from Google deps.dev. No key required.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 48 a week MIT

  25. Npms io.github.mrfentmen/npms-mcp

    Keyless MCP server for npms.io: npm package quality, popularity and maintenance scores plus search.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 48 a week MIT

  26. Regex io.github.mrfentmen/regex-mcp

    Test, describe, and validate regular expressions locally. No network and no key.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 48 a week MIT

  27. Semver io.github.mrfentmen/semver-mcp

    Parse, compare, and sort semantic version numbers locally. No network and no key.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 48 a week MIT

  28. SaveSaveSaveSave io.github.stefantsezarov/savesavesavesave

    Check messages, npm packages and crypto addresses before acting. Read-only scanner tools.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 48 a week AGPL-3.0-ONLY

  29. npx-vibe io.github.Devrajsinh-Jhala/npx-vibe

    Read-only npm package and project dependency preflight tools for AI applications.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 47 a week MIT

  30. Weavatrix Refactor io.github.Weavatrix/weavatrix-refactor

    Transactional refactoring extension with 11 evidence-backed tools, previews, and rollback.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 47 a week MIT

  31. Local Rag io.github.damoqiongqiu/mcp-local-rag

    Semantic code & doc search with keyword boost. AST code nav, auto HF mirror, local, privacy-first.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry · npm Local 47 a week MIT

  32. Artifact Gauge io.github.mrfentmen/artifact-gauge-mcp

    Local build artifact size and dependency weight inspection without file content output. Tools...

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 47 a week MIT

  33. Httpbin io.github.mrfentmen/httpbin-mcp

    HTTP request testing from HTTPBin. No key required.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 47 a week MIT

  34. Jetbrains io.github.mrfentmen/jetbrains-mcp

    Keyless MCP server for JetBrains Marketplace: plugin search, details, ratings, downloads.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 47 a week MIT

  35. Open Vsx io.github.mrfentmen/open-vsx-mcp

    Keyless MCP server for Open VSX: VS Code extensions, versions, descriptions, download stats.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 47 a week MIT

  36. Attribloom com.attribloom/mcp

    Affiliate attribution and commission data for iOS (StoreKit 2) and Shopify

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 46 a week MIT

  37. MetaEngine eu.metaengine/mcp-server

    Code generation from JSON recipes, linked type graphs, and API schemas across 11 languages.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 46 a week MIT

  38. Evidrift io.github.bm1016bm-svg/evidrift

    Catch TypeScript API and OpenAPI contract drift in AI-generated code, then revalidate it in CI.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 46 a week MPL-2.0

  39. Ckb io.github.SimplyLiz/ckb

    Code intelligence MCP server — 80+ tools for navigation, impact analysis, and architecture

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 45 a week SEE-LICENSE-IN

  40. Qatouch io.github.qatouch/qatouch

    MCP Server for software testing, test case management, test execution, and defect tracking.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 45 a week MIT

  41. oss-search io.github.sblattj/oss-search

    Fast local and federated OSS code search and repo discovery for AI agents

    Version check not run yet

    Developer tools Official MCP Registry · npm · crates.io Local 45 a week MIT

  42. SMB Sandbox io.github.teamshift-io/sandbox-mcp

    Mock small-business CRM, inbox, calendar, invoicing and phone tools for testing AI agents safely.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 45 a week APACHE-2.0

  43. Stackguide io.github.isucorp-taimiralain/stackguide-mcp

    Dynamic context loading for AI assistants with TDD workflow and AST analysis

    Version check not run yet

    Developer tools Official MCP Registry Local

  44. Google Antigravity io.github.TurkerYakup/mcp-server-google-antigravity

    MCP server exposing Google Antigravity (agy CLI / Gemini): jobs, codebase analysis, file tools.

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 44 a week MIT

  45. Androidbuild io.github.dev-jackson/androidbuild-mcp

    Build, deploy, drive and debug Android apps: Gradle, emulators, adb, logcat, UI automation

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 44 a week MIT

  46. Podium io.github.hoainho/podium-mcp

    Mobile E2E MCP (51 tools): iOS + Android, native UI + canvas/WebGL, no-vision, RN debug

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 44 a week MIT

  47. lurq io.github.jadenryu/lurq

    Verify npm packages before your AI agent installs them: hallucinations, advisories, API drift.

    72.04% up · 30 days

    Developer tools Official MCP Registry · npm Remote 44 a week MIT

  48. WebCrypt MCP Server io.github.putervision/webcrypt

    Zero-dependency Web Crypto & AI Agent MCP Server (AES-256-GCM, RSA-4096, PQC, Signatures).

    Version check not run yet

    Developer tools Official MCP Registry · npm Local 44 a week MIT