Retrieval

Everything here was classified as retrieval by keyword match against the maintainer's own description, so treat the grouping as a starting point rather than a verdict.

The list is ordered by the most recent commit, not by stars. A popular project that stopped in 2024 is not a better answer than a smaller one shipped last week.

Listed, not yet verified by us (60)

Published to the registry, but we have not yet checked its repository. Treat the entry as the maintainer’s claim only.

• io.github.mapizarro1/foragex402 — v1.0.0
  Meta-search MCP for x402 agent-payable services -- find paid APIs across every registry.
• io.github.MarcellM01/tinysearch — v0.4.0
  Self-hosted web research for MCP agents.
• DebtStack.ai — v0.1.5
  Corporate credit data API for AI agents — bonds, leverage, guarantors, SEC filings
• The Data Collector — v1.0.0
  Search Hacker News, Bluesky, and Substack from a single MCP interface
• Sessy — Amazon SES observability — v1.0.0
  Read-only Amazon SES observability: search events, inspect bounces, pull delivery stats.
• io.github.marerem/longmem — v0.2.1
  Persistent cross-project memory for Cursor and Claude Code using local semantic search.
• io.github.marian-kamenistak/elc-conference-mcp-tickets — v0.1.1
  Browse and buy ELC Conference 2026 engineering leadership tickets in Prague via AI.
• io.github.marianfoo/mcp-sap-docs — v0.3.9
  Fast MCP server for unified SAP docs search (SAPUI5, CAP, OpenUI5, wdi5) with BM25 full-text search
• io.github.markswendsen-code/crunchyroll — v0.1.1
  MCP server for Crunchyroll anime streaming - search anime, manage watchlist, track viewing progress
• io.github.markswendsen-code/delta — v0.1.0
  MCP server for Delta Airlines - search flights, check status, manage trips
• io.github.markswendsen-code/gmail — v0.1.0
  Gmail MCP server — send, read, and search email. By Strider Labs.
• io.github.markswendsen-code/kroger — v0.1.0
  MCP server for Kroger - search products, manage cart, place grocery orders
• io.github.markswendsen-code/southwest — v0.1.0
  MCP server for Southwest Airlines - search flights, manage bookings
• io.github.markswendsen-code/spotify — v0.1.0
  MCP server for Spotify - let AI agents control playback, search music, and manage playlists
• io.github.markswendsen-code/target — v0.1.2
  MCP server for Target - search products, manage cart, track orders
• io.github.markswendsen-code/walmart — v0.1.1
  MCP server for Walmart - search products, manage cart, track orders
• io.github.markswendsen-code/yelp — v0.1.0
  MCP server for Yelp - search businesses, read reviews, make reservations
• Zendesk MCP — v1.0.2
  Zendesk MCP: 14 tools for AI agents — create, search, assign, comment, and close support tickets.
• Marmot Data Catalog — v1.0.0
  Open-source data catalog. Search assets, explore lineage, and find ownership.
• Business Entity — v1.0.0
  SEC company search and SBA business resources. 4 MCP tools for business intelligence.
• Court Records — v1.0.0
  Federal court records and PACER case data. 4 MCP tools for legal research.
• Grant Finder — v1.0.0
  Grants.gov search and USAspending grant data. 4 MCP tools for grant discovery.
• Public Health — v1.0.0
  NIH clinical trials and FDA adverse event reports. 4 MCP tools for health research.
• ResearchTwin — v0.1.1
  Federated research discovery with S-Index metrics across a network of digital twins.
• NTNU Courses (unofficial) — v0.4.0
  Unofficial NTNU course data: search, timetables, grades, course info, and exam logistics.
• io.github.MarvinRey7879/framefetch — v1.9.1
  Any social-video URL → transcript, metadata, frames, OCR, summary, search, Q&A. MCP server + x402.
• MyFitnessPal — v0.3.0
  MCP server for MyFitnessPal: log, search, and analyze your food diary.
• io.github.MastadoonPrime/agent-memory — v0.1.0
  Persistent, agent-owned memory with encrypted storage and shared knowledge commons.
• io.github.MastadoonPrime/sylex-search — v0.1.2
  Universal search engine for AI agents. Discover products, services, and businesses via MCP.
• io.github.matematicsolutions/au-eli-mcp — v0.2.1
  MCP server for Australia's Federal Register of Legislation: search and cite Commonwealth Acts.
• io.github.matematicsolutions/jp-eli-mcp — v0.2.1
  MCP server for Japan's e-Gov law search API: search, fetch, and cite national legislation.
• io.github.matematicsolutions/pk-eli-mcp — v0.3.2
  MCP server for Pakistani law: search and cite federal statutes and Supreme Court judgments.
• Yagami AI Context Firewall — v0.7.3
  Govern model, retrieval, memory, and tool access for AI applications and agents.
• io.github.mattlsmith/navmds — v1.0.0
  Research 7,400+ US doctors: search, semantic search, profiles, reviews & procedure pricing.
• io.github.maxfain/basedagents — v0.3.1
  Search, verify, and manage AI agents on the BasedAgents identity and reputation registry.
• engRAM — v1.12.0
  Fully offline, encrypted-at-rest vector memory for AI agents. AEAD-encrypted vectors, no cloud.
• Medical RAG MCP - Semantic search and retrieval of high-quality clinical medical data — v1.0.0
  Medical RAG: semantic search for clinical guidelines, drug interactions, diagnoses & EHR data.
• Medical RAG - Clinical Decision Support & Healthcare Knowledge Retrieval — v1.0.1
  Medical RAG: semantic search for clinical guidelines, drug interactions, diagnoses & EHR data.
• Microsoft Teams API — v1.6.0
  AI-native Microsoft Teams integration — read chats, send messages, search people
• io.github.maxz712/clawhub — v0.1.0
  Git hosting for AI agents: repos, changes, focused diffs, reviews, issues, code search.
• BopMarket — v1.0.0
  AI agent marketplace — search, buy, sell, and track products across 5 platforms
• io.github.mazzzystar/whispernotes — v0.2.0
  Search, read, and create speech-to-text transcripts on-device with the Whisper Notes Mac app.
• io.github.mcande21/thealgorithms-mcp — v0.3.1
  Search TheAlgorithms across 24 languages; fetch implementations with examples.
• UserTapes — v1.0.1
  Query real user session replay data: tapes, transcripts, error/rage-click filters, alerts.
• Noogat — v1.0.1
  Voice notes that organize themselves. Capture by Siri, AI auto-tags, semantic search retrieves.
• io.github.mcfredrick/tenkai-mcp — v1.0.2
  Search Tenkai Daily AI news for open-source releases, papers, and tools. Updated daily.
• Google Drive — v1.0.8
  Google Drive integration with file operations, folder navigation, search, and sharing
• Gmail — v1.0.10
  Gmail integration with OAuth authentication, message search, batch operations, and Sheets export
• Outlook — v1.0.13
  Outlook integration with OAuth, message search, batch operations, and calendar management
• MCPExplorer — v1.0.0
  Search, vet & assemble MCP servers from your agent: verified tools, risk labels, and trust scores.
• io.github.MCPServings/paper-mcp — v0.5.0
  Search arXiv/Semantic Scholar/OpenAlex + medical evidence (PubMed/Europe PMC) + LaTeX/PDF tools.
• MCPVOT — x402 Facilitator Machine — v2.2.0
  x402 paid APIs for AI agents on Base. Blockchain, wallet, DEX, crypto, web search.
• io.github.mcpware/claude-code-organizer — v0.10.2
  Organize Claude Code memories, skills, MCP servers, commands, agents, rules via drag-and-drop.
• Bible — v1.3.4
  Study the Bible in its original Hebrew and Greek — semantic search, word studies, cross-references,
• JAIL Search — v1.4.0
  Search a billion+ documents — papers, books, code, legal cases, forums, Wikipedia, and more.
• LLMemory — v0.1.0
  Search your AI chat history (ChatGPT, Claude, Codex) from any MCP client. Remote, private, read-only
• io.github.MelanieABC/misim-tax-research — v0.1.0
  Israeli tax research: source-grounded answers with official citations, in Hebrew.
• io.github.Melgencer/alpacacloud-mcp — v1.4.2
  Connect AI agents to Alpaca Cloud: Postgres, Auth, Storage, Sandboxes, and Workflows.
• ChromaDB Remote MCP Server — v1.0.2
  Remote ChromaDB vector database MCP server with streamable HTTP transport
• Context Engine — v0.1.0
  Compress logs, retrieval chunks, and code context into structured LLM-ready signal.

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How this page is ordered

Entries are grouped by whether anyone is still working on them, using the date of the most recent push to the repository. They are not ordered by stars, because a star is a bookmark somebody left once and never took back.

Where we have not checked an entry yet, it says so rather than being mixed in with the verified ones.