MCP Server Directory

Ethereum mainnet JSON-RPC paid per call in USDC on Base. No account, no API key: the wallet pays.

hovhannes.io io.hovhannes/site

Yerevan Product Coffee: table dates, remaining seats, seat requests, and the field notes behind it.

Chinese almanac (黄历) MCP: date selection, daily almanac, solar terms, zodiac horoscopes.

MCP wrapper for Yad, a local browser-automation companion, for coding agents.

Model Context Protocol server for Taiwan Legislative Yuan API v2.

On-chain price oracles: Chainlink (5 chains) + Pyth, staleness-flagged, no forced RPC key.

Flowsery com.flowsery/mcp-server

Web analytics for AI agents: realtime visitors, revenue, funnels and AI-detected site issues

CUDA-Q docs, API reference, and runnable examples for AI agents, pinned to your installed version.

Cognitive memory for AI coding assistants — persistent memory across sessions

Crypto Market Pulse com.pythonanywhere.cryptopulse/mcp

Pay-per-call crypto data on Base: market pulse, prices, chain snapshot, USDC stats. x402 USDC.

Receita Federal: NIRF io.github.mcp-dir/receita_federal_nirf-mcp

Receita Federal: NIRF, official-source lookup. Platform-hosted, pay per query with prepaid credit.

rental-review co.truerent/rental-review

Free professional review of a contractor's equipment rental invoices. Referral and intake only.

UniAffitti Room Finder com.uniaffitti.www/room-finder

Find, rank, and compare student rooms from UniAffitti public listings.

Chargt EV Charging com.chargt/chargt-mcp

Find EV charging stations, live availability and prices across the Netherlands via NDW data.

Zero-config SEO and GEO checker: 21 technical-SEO and generative-engine checks for a live site.

quanticdata-mcp io.github.quantumproxies/quanticdata-mcp

Live web access for agents: scrape, SERP search, crawl/map, 100+ collectors, datasets, proxies.

WhaleScope MCP io.github.osindo-dev/whalescope-mcp

Binance Futures market intelligence: funding, OI, order book, klines, cross-exchange comparison.

Insider Radar io.github.mypocketsmells/insider-radar

Lab telemetry market: 25 x402 USDC-paid tools — leaderboard, KOL signals, outcomes, more.

Signs, hash-chains, and verifies compute usage receipts via an MCP server, no issuer trust required.

structured-output-mcp-agent-langchain-core ai.getvda/structured-output-mcp-agent-langchain-core

Structured Output MCP Agent (Langchain Core)

Tapercraft — VHS Label Maker org.texs/tapercraft

Compose printable VHS, DVD, cassette, CD and vinyl packaging from any movie, show, or album.

Inspect local GGUF/safetensors models: quantization, params, VRAM fit — headers only.

AI agent observability with deterministic record/replay for debugging agent failures.

Operate and build n8n: 61 tools, 560-node catalog, validation, autofix, snapshots and backups.