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.
io.github.markswendsen-code/delta
MCP server for Delta Airlines - search flights, check status, manage trips
MCP server exposing Martin Fowler's refactoring catalog to LLMs with 71+ refactorings
io.github.mashware/domain-memory
Local-first MCP server serving a project's business-domain knowledge to MCP-compatible agents.
io.github.matiasbattocchia/google-mcp
Streamable HTTP MCP server for Google Calendar and Sheets with OAuth login.
Portfolio analytics via the okama library: backtests, Monte Carlo, efficient frontier, PNG charts
Portable AI memory as MCP tools: five reads and three controlled writes.
MetaGO Agent Harness
Decision lock, anti-hallucination, meta-evolution and provenance for any MCP agent. 55 tools.
MetaGO Algorithms
927 deterministic algorithms as 57 MCP tools: coupling, value, distance, correlation, reduction.
okf-mcp
Validate, search, graph, and safely author local Open Knowledge Format bundles.
Apple Calendar
Search, read and act on Apple Calendar — ranges, free-time lookup, writes off by default
Apple Contacts
Search and read Apple Contacts — resolves numbers and emails to names, writes off by default
Apple Mail
Search, read and act on Apple Mail — threads, attachments, body search, writes off by default
Apple Maps
Read and act on Apple Maps — favourites, Guides and recents, writes off by default
Apple Messages
Search and read Apple Messages — chats and decoded text, sending off by default
Apple Notes
Search, read and act on Apple Notes — folders, attachments, writes off by default
Apple Reminders
Search, read and act on Apple Reminders — lists, due dates, writes off by default
Apple Safari
Read and act on Safari — history, tabs and reading list, writes off by default
MCP server for Microsoft Advertising (Bing Ads) — campaigns, keywords, and reports
Relay
MCP relay server for Claude Desktop <-> Claude Code communication
OpenOCD Debugger
Debug microcontrollers via OpenOCD: flash, breakpoints, memory, registers and variables.
jPOS MCP Server
MCP server for jPOS and ISO 8583. Deterministic payment protocol tools for AI agents.
Lumnix
E-commerce research via MCP. Amazon, Alibaba & AliExpress product search and FBA margins.
io.github.mpmcgowen/metricui
React dashboard components — API lookup, code generation, and prop validation for AI tools.
Rip YouTube transcripts to disk for AI agents, RAG pipelines, and LLM workflows.
io.github.mrslbt/xendit-mcp
Xendit payment APIs for AI agents. Payment links, payouts, balances, and transactions.
Microsoft Planner
Microsoft Planner MCP server — plans, buckets, tasks via Microsoft Graph, ETags handled
jobd
Self-hostable GPU-aware job broker: submit, route by VRAM, babysit jobs across machines via MCP.
OPC-UA MCP Server
Read, write, browse, search, and subscribe to live data on an OPC-UA industrial automation server.
Modular MCP server for dynamic prompt generation and software development analysis tools