Every server in the official MCP Registry. Ranked by whether they actually work: we connect to each one and publish what happens.
Instant, resettable Windows, Ubuntu and Arch Linux ARM desktop VMs for AI agents on Apple Silicon.
Household recall checks over public CPSC, openFDA, EMA and EU Safety Gate data. No API key.
Search and create LinkJumkey link buttons from AI apps. Needs LinkJumkey Desktop on the same PC.
Verify signed ALEX Evidence Packages. Fails closed on signature or schema errors.
FastAPI-native Model Context Protocol framework and stdio runner.
Manage Kommo CRM leads, contacts, pipelines, tasks, notes, tags and companies.
Drive a live Isaac Sim session: any robot, poses, gain tuning, range tests, Isaac Lab training.
Audit a site for SEO and AI search, check localhost pages, and apply or open PRs for fixes.
Control a Sonicake Pocket Master guitar processor over USB MIDI: amps, effects and presets.
UpRes MCP: list models, credits, submit 4K image and video upscale jobs.
Spotify playlists from a festival lineup, a genre, a song, a playlist or a blend. Own client ID.

MCP server for link checking using linkinator
Local OCR & screen understanding for agents: read any window, find what to click. No uploads.
Verified context layer for AI coding agents — prunes, compresses, indexes, remembers. 32 MCP tools.
MCP server for Polarion ALM — read and write documents and work items
17 DeFi + RWA tools — PumpFun, wallet PnL, Meteora LP, Robinhood Chain stocks — paid via x402.
Playwright browser & Node.js MCP. ARIA refs, screenshots, ref-based interactions.
Your mailbox for agents: search, organise, draft and send mail. Add the account with mail first.
Verify a SCITT receipt under a trust root you hold — offline, no backend, no key, no network
List, read, search and (opt-in) write, edit and move files inside one folder, never outside it.
MCP server for Yandex Webmaster API: indexing, search queries, sitemaps, diagnostics, links.
Read-only Official Gazette of Iran (rrk.ir): search laws and rulings, read their text.
Canvas LMS MCP server for students. Read only Canvas courses, grades, due dates, plus .ics export.
Portugal's national health service open data: hospitals, emergency and waiting times.
MCP server for Yandex Audience API: segments (CRM, lookalike, pixel), pixels, grants.
Electron.js MCP server — IPC scaffolding, security auditing, build tooling for AI assistants
Durable review context for CAD: entity names, notes, tags, and revision-bound decisions.
Search, read and act on Apple Mail — threads, attachments, body search, writes off by default
Read-only MCP tools to list and flag outstanding ERC-20, Permit2, and EIP-3009 auths