io.github.cyanheads/openlibrary-mcp-server

Search books and authors, fetch editions, browse subjects, and resolve cover images.

io.github.cyanheads/wikidata-mcp-server

Search and fetch Wikidata entities, execute SPARQL queries, and resolve external identifiers.

io.github.cyanheads/nist-nvd-mcp-server

Search and audit NIST NVD CVEs by keyword, severity, CWE, CISA KEV status, and CPE.

io.github.cyanheads/calculator-mcp-server

Evaluate, simplify, and differentiate mathematical expressions.

io.github.cyanheads/eia-energy-mcp-server

Browse and query the EIA API v2 — electricity, petroleum, natural gas, coal, forecasts via MCP.

io.github.cyanheads/earthquake-mcp-server

Search USGS and EMSC seismic data — real-time feeds, event queries, and earthquake counts.

io.github.engrossa/ipnex

Cited, confidence-stamped patent intelligence over US university tech-transfer out-licensing.

io.github.cyanheads/crossref-mcp-server

Resolve DOIs, search ~155M scholarly works, and fetch references via the Crossref REST API.

io.github.cyanheads/census-mcp-server

Query U.S. Census Bureau data, variables, and geography via MCP.

io.github.cyanheads/reliefweb-mcp-server

Search ReliefWeb humanitarian reports, disasters, jobs, training, and country profiles via MCP.

com.keboola/mcp

Connect your AI assistants to Keboola and expose your data, transformations, SQL queries, ...

io.github.AgentTools-Cloud/agent-tools-mcp

Discover x402 services, MCP servers and A2A agents by intent — agent-tools.cloud directory.

io.github.eZhing/runik-ai

Chat-first business management. 40+ tools, 26 templates. Describe your business, done.

dev.workers.lionmaster-operations.lion-x402/lion-x402

GORILLA (TIGER+LION) keyless enrichment + onchain data. x402. TIGER payTo. CDP ready.

io.github.ayushagrawal288/memex

Persistent memory for AI agents — semantic + recency search, ONNX embeddings, Docker Compose.

io.github.norrietaylor/distillery-mcp

Knowledge base for Claude Code with semantic search, feed intelligence, and teams

io.github.pipeworx-io/twitch

Twitch MCP — wraps the Twitch Helix API (read-only)

io.github.pipeworx-io/openbeautyfacts

Open Beauty Facts MCP — Open Beauty Facts API (free, no auth, keyless).

io.github.pipeworx-io/scryfall

Scryfall MCP — Magic: The Gathering card database.

io.github.pipeworx-io/ipqualityscore

IPQualityScore MCP — wraps the IPQualityScore fraud-prevention API

io.github.pipeworx-io/api-ninjas

API Ninjas MCP — wraps the multi-endpoint API Ninjas data API (api-ninjas.com)

io.github.pipeworx-io/podcastindex

Podcast Index MCP — wraps the Podcast Index API (podcastindex.org)

io.github.pipeworx-io/ocrspace

OCR.space MCP — wraps the OCR.space API (ocr.space) for image/PDF → text OCR.

shop.theothers/theothers

The Others — an agentic t-shirt shop. Browse products and buy t-shirts via AI agents.