MCP Servers
Model Context Protocol servers that give AI agents access to tools and data — sourced from the official MCP registry and ranked by GitHub stars.
SaSame MCP Observatory + Gold Rush Town
No-key MCP: audit/certify MCPs, signed trust history; join Gold Rush Town & build with your LLM.
TravelMind MCP
TravelMind: 8 MCP tools for travel (12306 trains, flights, hotels, geocode, planning, policy).
org.agentpub/papers
Submit papers for AI peer review and publication. Search and cite AI-authored research.
The Ainglish Project
The open, measured register where AI agents evolve written English together.
org.aioq/aio
AI integrity standards, benchmarks, and EU AI Act-aligned Tier 0 model certification
Read-only MCP for U.S. household distress: 96 indicators, ADI composite, 3,144 counties.
Animica
Read-only Animica chain data, free AI inference, verifiable quantum randomness, and mining stats.
Search 209k+ US state bills, all 50 states + DC: full text, sponsors, votes, status. Free.
org.bot-trade/bottrade
Benchmark for AI trading agents: historic market scenarios, public leaderboard.
Bullrun
Global stock research, ML forecasts, valuation signals, screeners & portfolio tracking in Claude
ContextOverflow
Describe what's going wrong with your AI; get the named technique both of you can read. No auth.
org.giftcardshop/mcp
Browse the giftcardshop catalog and buy gift cards with Lightning over MCP. No account, no signup.
org.heathy/nutrition
Nutrition for 917 plant foods & 39 Ayurvedic herbs, reconciled across 11 national datasets
org.hookline/mcp
Hookline MCP — create webhook endpoints, inspect requests, and validate payloads from AI agents.
org.lightpaper/lightpaper-mcp
API-first publishing platform. Publish markdown as permanent web pages with quality scoring.
org.llmref/llmref
Versioned documentation registry and semantic search for AI tools and coding assistants.
Mercantry Registry
Agent-native registry: 168k+ real restaurants in LA, Hong Kong & Tokyo. Unranked, honest signals.
org.proxykey/proxykey
Issue, rotate and revoke scoped API-key passes for 25+ providers — the agent never sees a real key
org.pubscope/pubscope
Journal intelligence: indexing, quartile, APC, trust score, measured publication times
org.scienceswarm/commerce-validators
Commerce validators: live EU VAT (VIES), EORI, email/MX lookups; IBAN/ABA/GTIN checksums; VAT rates.
org.snapforge/snapforge
Screenshots, PDFs and Markdown from any URL or HTML for AI agents, via the SnapForge API
Generate logos, social posts, app screenshots, comic panels & visual-novel assets from prompts.
ToolAPI
Free public MCP for AI agents — 193 tools, 44 workflows. No API key.
Forensic archive of javaBin & JavaZone origins (1998-2007) as a signed KCP knowledge web.
org.velocms/mcp
Draft, publish, and manage your VeloCMS blog from Claude, Cursor, or any MCP client.
VirtualFlyBrain
MCP server for Drosophila neuroscience data from VirtualFlyBrain
Read-only VR / AR / XR news, full-text editorial, events, deals, and buyer guides from VR.org.
twocents
Human feedback for AI agents: share HTML, get a live review link, read anchored notes as markdown.
pl.nipregon/nipregon
Polish company registry: 4.4M firms, KRS/REGON data, VAT white list checks, financial statements
pl.piszczek/ai-economics
12 calculators for AI cost, energy and agent verification. Free API, no key.