MCP Server Directory

libofcongress-mcp-server io.github.cyanheads/libofcongress-mcp-server

Search LOC digital collections, Chronicling America newspapers (full OCR), and LC Subject Headings.

Read, write, search, and surgically edit Obsidian notes, tags, and frontmatter via MCP.

Index source code into a local knowledge base, search with keyword + semantic + hybrid modes.

wikidata-mcp-server io.github.cyanheads/wikidata-mcp-server

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

AI-optimized MCP server for iMessage on macOS. Read, search, and send messages.

An MCP server that gives LLMs persistent, searchable semantic memory

US import tariff estimates: HTS lookup and stacked rate (MFN + Section 301 + 232). No API key.

Search Entra.Chat podcast transcripts — Merill Fernando's Microsoft Entra podcast on YouTube

La Palma 24 - Vacation Rentals io.github.AyozeMiguel/lapalma24-mcp

Search vacation rentals in La Palma, Canary Islands with real-time availability and pricing.

Self-maintaining knowledge vault: figure-level search, auto-wikilinks, and memory compression.

HyperStore io.github.deficlow/hyperstore-mcp

Search and inspect 6,500+ curated AI apps from the HyperStore directory.

SciWeave io.github.desci-labs/sciweave-mcp

AI research grounded in 300M scientific works — every citation a verifiable DOI.

DNS Lookup API io.github.Br0ski777/dns-lookup

DNS record lookup — A, AAAA, MX, TXT, CNAME, NS via Cloudflare. x402 micropayment.

Naming engine with availability intelligence: score names, check domains, socials and registries.

MantisBT MCP server – manage issues, notes, files, tags, and relationships. With semantic search.

Search and execute Heroku Platform API operations

Japan Company Leads Finder io.github.easakura/japan-company-leads-mcp

B2B leads for Japan: search 1M+ companies by size, capital, location, subsidy history (gBizINFO).

tokenguard-mcp io.github.eltociear/tokenguard-mcp

Real-world data for agents: air quality, geocoding, quakes, holidays, web search

Intelligent ArcGIS content search. Works with Online/Enterprise. Requires user credentials.

Local-first second brain with semantic search. Markdown notes indexed by a local ML model.

Autonomous research engine: auto research from a prompt to a fully-cited academic paper via MCP

create-survey io.github.feedbk-ai/create-survey

Create AI surveys with dynamic follow-up probing directly from your AI assistant.

redm-mcp io.github.Cmoen11/redm-mcp

RedM / RDR3 docs MCP server: native lookups, semantic search, VORP, RSGCore, oxmysql.

Japan Law Search io.github.fujimura-ui/japan-law-search-mcp

Full-text search of all current Japanese laws (official e-Gov data), down to exact article text.