Discover Model Context Protocol servers from the official registry. Publisher metadata with transparent provenance — not a security certification.
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3 517 records · Registry listing ≠ independent verification by NexIP
io.github.p-l-ta/mail-mcp
Search, read, send, and manage email via macOS Mail.app across all configured accounts.
io.github.p-l-ta/calendar-mcp
List, search, and manage calendar events via macOS Calendar.app across all configured accounts.
io.github.ozhehkovski/topify
Ask Claude, ChatGPT or Cursor about your Shopify SEO, answered from Google Search Console data.
io.github.oxygenframe/oxframe
Make videos from code: check scenes frame by frame, inspect nodes, render a frame, search the docs.
io.github.oxgeneral/agentmem
Lightweight persistent memory for AI agents. Hybrid search. 16 tools. One SQLite file.
io.github.outcrawlai/outcrawl
Web infrastructure for AI agents: scrape, crawl and search the web, run browsers and agents.
io.github.osintsx/osintsx-mcp
Search an email, phone, username or name across every OSINT.SX source, plus account history tools.
io.github.oscardvs/zoteus
Zotero MCP server for Claude and ChatGPT: search, citations, safe writes, PDF passages and pages.
io.github.oreillymedia/oreilly-mcp-server
Search O'Reilly for tech books, courses, events, and more. Requires an O'Reilly subscription.
io.github.oraios/serena
A powerful toolkit for coding, providing semantic retrieval and editing capabilities.
io.github.opnwiki/aiki
Authenticated MCP access to the AIKI open knowledge commons.
io.github.openqfr-dev/openqfr
Search machine-readable quantitative strategy failure evidence before repeating failed research.
io.github.opengitteam/opengit-mcp
Search agent-ready open source repos by task, interface, ecosystem and OG score.
io.github.opendata-forge/eu-spain-public-data
Search Spain's BOE/BORME gazettes, open EU funding calls and EU TED tenders. Keyless sources.
io.github.openapi/gknowledge
Search, read and grow a Karpathy-style LLM wiki of linked Markdown pages, with cited answers.
io.github.open-metadata/openmetadata-mcp
Official OpenMetadata MCP: 21 read and write tools for search, lineage, data quality, governance.
io.github.op0ai/iconlab
Search 324k icons or generate new ones in the Lucide grammar - grammar-locked lint+critique+repair
io.github.ontorata/ratary
Persistent coding memory for AI assistants. MCP stdio, hybrid search, graph, context.
io.github.onlymoein/google-search-console-mcp
Search Console analytics, hourly data, URL inspection and sitemaps, with guards for API quirks.
io.github.onehumanbeing/hack123
Read-only search of hackathons, team-up posts and projects on 黑123 (hack123.henryht.sh), zh/en.
