ZBS Index What actually exists in applied AI, with the source next to it

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 (59)

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

  • hackernews — v0.1.0
    Hacker News MCP — search and retrieve stories from Hacker News
  • Hal Fr — v0.1.0
    HAL — French national open research archive
  • Ieee Standards — v0.1.0
    IEEE Xplore MCP — BYOK wrapper over the IEEE Xplore Metadata Search API
  • Internet Archive — v0.1.0
    Internet Archive (archive.org) item search & metadata MCP.
  • Itunes Search — v0.1.0
    iTunes Search MCP — Apple's public catalog search
  • Jina Reader — v0.1.0
    Jina AI Reader/Search MCP — turn any URL into clean LLM-ready markdown, plus web search.
  • Lens Org — v0.1.0
    Lens.org patent + scholarly search (free academic key required)
  • Linkedin Humblebrag — v0.1.0
    linkedin-humblebrag MCP — wraps StupidAPIs (requires X-API-Key)
  • Listen Notes — v0.1.0
    Podcast directory search + best podcasts + recommendations via Listen Notes. Free key required.
  • Medicare Coverage — v0.1.3
    MCP server for medicare-coverage
  • Movies — v0.1.1
    Movies and TV show data — search, details, ratings, and cast from iTunes and TVmaze APIs
  • Ncbi Eutils — v0.1.0
    NCBI E-utilities — federated Entrez search/fetch (PubMed/Gene/Nucleotide/…)
  • Newsapi — v0.1.0
    NewsAPI.org: top headlines, archive search, sources. Free 100/day key.
  • Nih Reporter — v0.1.0
    NIH RePORTER MCP — every NIH-funded research project (free, no auth)
  • Nihr — v0.1.0
    UK NIHR (National Institute for Health and Care Research) open-data MCP.
  • Openaire — v0.1.0
    OpenAIRE MCP — EU research outputs (publications, datasets, software, projects)
  • Openverse — v0.1.0
    Openverse Creative-Commons image + audio search
  • Orcid — v0.1.0
    ORCID public researcher records (works, employment, education)
  • Paperswithcode — v0.1.0
    Papers With Code MCP — browse ML research papers and their code repositories
  • Paraguay Dncp — v0.1.0
    Paraguay DNCP MCP — Paraguay government procurement / public contracts (keyless).
  • Plos — v0.1.0
    PLOS journals — Solr-backed full-text search across all PLOS OA content
  • Pvgis — v0.1.0
    PVGIS MCP — EU Joint Research Centre PV system modeler
  • Realestateapi — v0.1.0
    RealEstateAPI MCP — property search, detail, and skip-trace (realestateapi.com)
  • Retractions — v0.1.0
    Retractions / research-integrity MCP.
  • Ror — v0.1.0
    Research Organization Registry (ROR) — canonical org IDs
  • Seo Keywords — v0.1.0
    SEO Keywords MCP — search volume & difficulty via DataForSEO Labs (dataforseo.com)
  • Seo Keywords Ads — v0.1.0
    SEO Keywords (Google Ads volume) MCP — exact Google Ads search volume via
  • Seo Serp — v0.1.0
    SEO SERP MCP — Google organic search results via DataForSEO (dataforseo.com)
  • Serpapi — v0.1.0
    SerpApi MCP — wraps SerpApi (serpapi.com) search engines
  • Serper — v0.1.0
    Serper MCP — wraps the Serper Google Search API (serper.dev)
  • Tenor — v0.1.0
    Tenor GIFs/stickers v2: search, featured, categories, trending, posts.
  • The Guardian — v0.1.0
    Guardian Open Platform: content search, articles, sections, tags. Free dev key.
  • Tomtom — v0.1.0
    TomTom MCP — wraps the TomTom Search & Routing APIs (api.tomtom.com)
  • Tradier — v0.1.0
    Tradier MCP — stock & options market data via the Tradier Brokerage API
  • Ukri Gtr — v0.1.0
    UKRI Gateway to Research (GtR) MCP — every grant awarded by the UK's seven
  • Urlscan Io — v0.1.0
    urlscan.io URL scanner — search/result keyless, submit needs key
  • Useragent — v0.1.0
    User-Agent parser MCP.
  • Zenodo — v0.1.0
    Zenodo (CERN) open research data repository
  • sayou — v0.2.2
    Persistent knowledge workspace for AI agents. Versioned files, search, and MCP tools.
  • io.github.PJW2004/job-search — v0.0.6
    Search Korean job postings from JobKorea and Saramin by company name
  • io.github.pkotecha-eng/aria-mcp-server — v0.2.1
    Search 35M+ PubMed, 400K+ ClinicalTrials.gov & ISRCTN trials. Prompts included. No API key.
  • Figma — v3.0.1
    A local MCP server with full Figma REST API coverage.
  • io.github.plidezus/flomo-mcp — v1.0.0
    Connect AI to your flomo notes. Search, create, edit notes and manage tags via MCP.
  • Dreamwork — v1.2.0
    AI job search agent — browse listings, generate packs, auto-apply
  • io.github.poojaBjAcharya/cdgcsearchmetadata — v1.0.0
    Provides metadata information to AI agents through the search API.
  • POS.DO MCP Server — v0.1.0
    Discover 356K+ restaurants in 20 countries: search, reviews, cultural context, time-based offers.
  • Weasley DeepMind — v1.0.0
    Secure, fragment-based long-term memory for MCP-compatible AI agents.
  • io.github.pouyahasanamreji/continuum — v0.3.0
    Shared memory + orchestration for your coding agents. Local-first MCP, vector RAG.
  • Autonoma Agent Services — v1.0.0
    Paid agent trust checks, receipt verification, research, data work, and monitoring.
  • MemoraEU — v0.1.2
    Zero-knowledge persistent memory for Claude — encrypted, semantic search, EU hosted.
  • VenuVidya — Carnatic Flute Study Guide — v0.1.1
    Kannada/English Carnatic flute KSGMS syllabus — search lessons, log practice, ask a RAG guru.
  • LinkedIn MCP Server — v0.16.0
    Find LinkedIn jobs and people, research companies, manage network, posts, and messages with MCP.
  • io.github.PramodDutta/qaskills — v0.1.2
    Search, inspect, and install 400+ QA testing skills from qaskills.sh into any MCP client.
  • io.github.Pranavj17/mcp-server-graylog — v1.0.2
    Search Graylog logs by timestamps, filter by streams, and debug production issues.
  • io.github.PrashantBtkl/spresh-mcp — v1.0.3
    Search Facebook ads, decode competitor creative strategy, and track brand ad history.
  • io.github.praveen-ilangovan/pensieve — v0.1.0
    Manually-triggered, self-organising personal memory for AI agents; SQLite, no vector DB.
  • io.github.praveenc/llmstxt-doc-search — v0.1.0
    BM25 search over llms.txt doc indexes (Strands, Kiro, AWS); sources addable at runtime.
  • io.github.praveenc/mcp-docs-server — v0.1.0
    MCP server for searching MCP protocol documentation
  • Solitaire for Agents — v1.5.2
    Identity infrastructure for AI agents. Evolving persona, session continuity, self-tuning retrieval.

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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.