33416 Model Context Protocol servers — searchable, rated, ready to install.
SPKI prefix check, key discarded
Search questions and read answers across Stack Exchange sites. No key required.
Lux band check, number discarded
Japan: next bus/tram/boat from 26 places, RTK bases, JMA warnings, municipality facts. No key.
AI enters a live multiplayer 3D world as a visible avatar: walk, talk to real players, and be seen.
MCP server for VisiMark, a document integrity layer for Markdown: checks numbers against formulas.
x402 agent tools: calldata/EIP-712/x402 decoders, web→MD, ENS, DNS, PubMed, arXiv, SEC, weather
AP rubric grading, assignment drafts, question-bank materials, and class insights for teachers.
Live Google, Bing, Amazon, Maps, Yelp & app store data. As low as $0.15/1K successes; failures free.
The Open Context Layer for Data Agents
Unofficial MCP server for YNAB: read-only by default, every change previewed and undoable.
Keyless MCP server for Oyez: Supreme Court cases, decisions, opinions, oral-argument audio.
Your SEO report as tools: findings in order, pages, queries, rivals, and where to get listed.
x402 pay-per-call: 146 MCP tools, no account or key. USDC on Base + Solana, $0.001-$0.01/call.
Let AI work in SketchUp: rooms, pro tagging, takeoff by room, model/design checks, scenes, Ruby.
Publish to Instagram from chat — official Graph API, OAuth 2.1, free for your own posts.
Git-friendly memory for AI coding: a tree of thread summaries with inherited context
Read recorded npm loading evidence across pinned Node.js, Bun and Deno runtimes.
colon-separated token count, value discarded
Decision lock, anti-hallucination, meta-evolution and provenance for any MCP agent. 55 tools.
Flipside Crypto SQL API: run queries, check status, fetch results.
Deterministic pre-execution verification tools for AI agents with x402 USDC pay-per-call on Base
SDMX Structure MCP — dataflow dimensions and code lists for any SDMX 2.1 registry: Eurostat, OECD…
Scrypta MCP - Brazilian business data for AI agents
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