Developer Tools
3,597 results
- Openalexpipeworx-ioMCP server for scholarly works, authors, and institutions via OpenAlex API
- Openaqpipeworx-ioOpenAQ MCP — wraps OpenAQ v2 API (free, no auth required)
- Openbeautyfactspipeworx-ioOpen Beauty Facts MCP — Open Beauty Facts API (free, no auth, keyless).
- Opendosm Mypipeworx-iodata.gov.my / OpenDOSM (Department of Statistics Malaysia) — official Malaysian open-data API.
- Openfdapipeworx-ioOpenFDA MCP — wraps the openFDA API (free, no auth required)
- Opengistni-cMCP server for Opengist, the self-hosted pastebin powered by Git
- Openibanpipeworx-ioOpenIBAN MCP — validate an IBAN's checksum + bank code and resolve the
- OpenRevenueopenrevenueOpenRevenue analytics MCP: projects, stats, visitors, funnels, and goals via API key or OAuth.
- Openreviewpipeworx-ioOpenReview MCP — ML conference submissions and reviews (API v2)
- Openseapipeworx-ioOpenSea MCP — NFT marketplace data (v2 API)
- Openskypipeworx-ioOpenSky MCP — OpenSky Network API (free, no auth for anonymous access)
- Opentripmappipeworx-ioOpenTripMap MCP — wraps the OpenTripMap Places API (dev.opentripmap.org)
- openworkdaysSolvoHQZero-signup business-day / working-day date arithmetic API. Add/count working days with your own holiday list. No account, no API key, one GET.
- Orbis API MarketplaceOrbisAPIBrowse, subscribe to, and call 3,000+ APIs autonomously. x402 USDC pay-per-call on Base.
- OrbitbuildwithorbitTurn any task into the right API calls: discover, evaluate, and integrate public APIs.
- Oregon Codepipeworx-ioOregon Revised Statutes — state statutes by citation.
- Ostrov retreat centerostrovOfficial Ostrov retreat-center API: live accommodation quotes, public catalog, Python client and MCP server
- Otto IntelottoaiOtto AI hosted MCP: 16 pay-per-call market-intelligence tools, USDC via x402 on Base, no API keys.
- OverlayQAoverlayqaMCP server for WCAG accessibility and color-contrast audits plus QA issue tracking in Claude Code, Cursor, and Windsurf.
- overseer-nvim-mcpimpossiblecodeMCP server giving coding agents visibility and control over overseer.nvim tasks: list, tail, run, restart, stop, dispose
- PackageGuardDanKatenx402-gated safety checker for npm/PyPI packages before you npm install / pip install.
- PackageMazepackagemazePrivate npm and PyPI Feeds with repository setup, scoped CI access, and package activity.
- Packagephobiapipeworx-ioPackagephobia MCP — install-size analysis for npm packages
- PandoughpandoughFlour-first dough plans: yeast, hydration, schedule from flour you own. No API key for plan tools.