MCP servers · Developer tools

50 listings on this page, in order of arrival. Each one has its own page with README, repository facts and source links.

1. Avrotize ★ 131
   Schema conversion and schema-driven code generation MCP server.
2. Clerk
   Access Clerk authentication docs, SDK snippets, and quickstart guides
3. io.github.cocaxcode/api-testing-mcp ★ 8
   MCP server for API testing. 35 tools: HTTP, assertions, flows, OpenAPI, collections.
4. Compiler Explorer ★ 19,066
   Compile code with thousands of compilers, inspect the assembly, and share godbolt.org links
5. io.github.composable-delivery/snowfakery-mcp ★ 5
   MCP server for authoring, analyzing, debugging, and running Snowfakery recipes
6. io.github.copyleftdev/fabric-atelier
   AI-powered content processing with 226 Fabric patterns for writing, analysis, and code generation.
7. Kāhea ★ 2
   Deterministic HTTP/WebSocket testing and policy-gated API execution for AI agents.
8. io.github.croit/mcp-croit-ceph ★ 1
   MCP server for Croit Ceph cluster management with dynamic OpenAPI tool generation
9. io.github.cyanheads/crossref-mcp-server ★ 3
   Resolve DOIs, search ~155M scholarly works, and fetch references via the Crossref REST API.
10. io.github.cyanheads/osv-advisory-mcp-server ★ 1
    Query OSV.dev for package vulnerabilities and batch-audit dependency lists via MCP.
11. io.github.cyanheads/pentest-mcp-server ★ 1
    Offline methodology engine for authorized penetration testing, CTF, and security research.
12. Cyntrisec CLI (Historical) ★ 4
    Historical AWS analysis CLI; not a current Cyntrisec product.
13. io.github.daedalus/mcp-gdbserver
    MCP server for remote debugging with gdbserver
14. io.github.daedalus/mcp-homeassistant
    MCP server exposing Home Assistant REST API functionality
15. io.github.daedalus/mcp-sigrok ★ 2
    MCP server exposing sigrok-cli functionality for logic analyzer hardware and protocol decoding
16. Fray — WAF Security Testing MCP Server
    WAF security testing: 5,500+ payloads, 25 WAF fingerprints, 21 recon checks, bypass AI
17. Obsidian CLI MCP
    Local MCP server for Obsidian Desktop via the official Obsidian CLI.
18. io.github.davidmosiah/agent-seo-engine
    Agent-first local SEO quality, intent and opportunity engine with CLI and optional MCP server.
19. io.github.dbsectrainer/mcp-eval-runner
    A standardized testing harness for MCP servers and agent workflows
20. io.github.dcostenco/prism-mcp ★ 157
    Moved to io.github.dcostenco/prism-coder — install prism-mcp-server v20+ from npm.
21. ConnectIQ MCP Server
    MCP server for Garmin ConnectIQ SDK documentation and resources
22. io.github.developerz-ai/ui-debugger-mcp ★ 2
    Autonomous UI debugging MCP server: an agent drives the browser/desktop, reports bugs + UX issues.
23. driftwatch
    What broke between two dependency versions, with a citation for every claim. No API key needed.
24. QACAT
    Translation QA: automated checks, AI evaluation, linguistic review, and visual in-context testing.
25. io.github.dingdawg/dingdawg-code-review ★ 1
    AI code review — security, quality, performance. Learns your patterns. Receipted.
26. io.github.discourse/mcp ★ 74
    Discourse MCP CLI server (stdio) exposing Discourse tools via MCP
27. Claude Code Explorer MCP ★ 3,319
    Explore the Claude Code CLI source — browse tools, commands, search code, and more.
28. Samotpravil MCP
    MCP server for Samotpravil API — docs, typed tools, Python SDK parity, safety flags.
29. Shell Exec ★ 8
    Execute bash commands with background job support.
30. PensionPro
    MCP server for the PensionPro pension administration REST API.
31. Letterbox
    File-based comms protocol for AI-to-AI dialogue between terminal agents.
32. LionScraper MCP + CLI + HTTP API (Node) ★ 1
    LionScraper Node: MCP stdio + CLI + HTTP API bridging AI to LionScraper browser extension.
33. LionScraper MCP + CLI + HTTP API (Python) ★ 1
    LionScraper Python: MCP stdio + CLI + HTTP API bridging AI to LionScraper browser extension.
34. io.github.drumst0ck/uploadkit ★ 3
    UploadKit MCP — 40+ upload components, route scaffolds, BYOS setup, full docs search.
35. io.github.duriantaco/skylos ★ 790
    Dead code, security, secrets detection and code quality for Python, TypeScript, Go.
36. Chassis ★ 6
    Scaffold an Express 5 + TypeScript backend: database, auth, optional Next.js front end.
37. SmartCLI — drive terminal TUIs ★ 3
    Let agents drive vim, htop, lazygit: send keys, wait on screen state, read the rendered cell grid.
38. OSF CLI Go ★ 1
    Read-only MCP tools for authenticated Open Science Framework projects and files.
39. Curate-Ipsum
    Code synthesis through belief revision, mutation testing, and verification
40. ellmos CodeCommander ★ 3
    Developer MCP server: code analysis, JSON repair, imports, diffs, regex, format conversion.
41. verifiable-claim-seed
    Zero-dependency verifiable-claims MCP: validate safely, verify with allow_execution, self-test.
42. io.github.ertugrulakben/dep-oracle
    Predictive dependency security engine. Trust scores, zombie detection, blast radius analysis.
43. io.github.estruyf/vscode-demo-time ★ 245
    Enables AI assistants to interact with Demo Time and helps build presentations and demos.
44. io.github.ethbak/icon-composer-mcp ★ 45
    CLI and MCP server for creating Apple .icon bundles with Liquid Glass effects (iOS 26+)
45. FactReason
    Check exact npm/PyPI upgrades for evidence-backed breaking changes; query APIs and components.
46. io.github.fkom13/gencodedoc
    Versioning de code et génération de documentation intelligents. Supporte CLI, API REST, et MCP.
47. MCP Sandbox Computer VM for AI ★ 3
    Named Docker and Fly Machine sandbox computers with an interactive MCP App dashboard.
48. io.github.formulahendry/code-runner ★ 246
    Code Runner MCP Server which can run code in various programming languages.
49. mcpify ★ 2
    Focused, production-ready CLI: turn any OpenAPI REST API into an MCP server.
50. skillkit
    Toolbox for AI agent skills: scaffold, lint, pack, install, and serve SKILL.md skills