"The number 555" matching MCP servers:

Provides verified UK company lookup and number validation for AI agents using official Companies House data. Enables lookup of registered details by number, validation of company number format, and search by company name.

MCP server for the Japan National Tax Agency Corporate Number API, enabling corporate number lookup and search via local AI clients.

Skill librarian for coding agents: describe a task and get the few matching skills from a large local skill collection, then report whether they worked. Runs locally with Ollama and SQLite.

Enables AI assistants to search checked US roofing, siding, and gutter contractors by city and trade, and to retrieve individual contractor profiles with contact details, claimed status, and ratings. Read-only, requires no login or API key, and filters out closed or unlisted businesses.

Enables AI clients to search curated, cited knowledge bases built from founders', CEOs', and investors' public talks, essays, and posts, returning passages with source links and dates. It also exposes available source collections via MCP tools so users can ask how those individuals might approach business, product, or growth questions.

Enables searching and retrieving articles, sections, and tags from The Guardian via the Guardian Open Platform API.

Enables AI agents to search and retrieve UK company data, including company details by Companies House number, group ownership structures, website associations, and Real-Time Industrial Classification definitions.

Provides tools to search the Mouser Electronics parts catalog via keyword, part number, and manufacturer queries using the Mouser Search API.

Enables a child to search a self-hosted picture-book shelf by creatures, themes, places, or colors, read one page at a time through Alexa+, repeat a page on "Again!", and bookmark or resume a reading across sessions.

Enables searching Bluesky, Substack, and Hacker News content via structured APIs with optional x402 micropayments or API key authentication.

Read-only MCP server that proxies The Game Pensieve API over Streamable HTTP, letting AI assistants query a personal game collection via tools like search, filters, and summaries. Supports OAuth 2.1 enforcement and owner-scoped access.

Run free live audience Q&A and polls from your agent: start an AskOne room, add and launch a poll, approve or hide questions and mark them answered, close the room, then read the questions as a FAQ draft and get the results. Free AI moderation. Uses an organization API token from askone.org

Give AI agents cited funding, money-market, FX and capital-market evidence through 16 public MCP tools. Keep source dates, freshness checks and coverage gaps attached; China macro coverage is metadata-only. No API key is required for the public surface. Research context only; no trade execution.

Enables real-time domain registration lookups via RDAP, including availability, expiration, and registrar details, with no API key required. Supports natural language queries like 'is example.com available?' or 'when does example.com expire?'.

Enables structured company-news briefs and sector-wide market-signal sweeps via the Perplexity Sonar API, returning fixed-section briefs and JSON-schema-constrained signal arrays with citations.

A local-first, no-API-key MCP server that enables LLMs to search the web, fetch pages, and read documents using multiple engines and smart fallbacks.

A Python-based MCP server that enables AI agents to query the Microsoft 365 Roadmap programmatically.

Source-backed hardware end-of-life (EOL/EOSL) lookups by part number for enterprise gear — support status, end-of-sale and end-of-support dates, with the vendor's own bulletin URL on every answer. Unknown parts return found:false, never a guess.

An MCP server that finds relevant xkcd comics during conversation by semantically matching the context to comic titles, alt text, and transcripts.

Wraps the Korean Public Procurement Service's bid award information API, enabling users to query bid results, openings, and detailed execution data.

The world railway atlas as read-only MCP tools: search 744+ legendary train routes (high-speed, classic, night, scenic) and get per-route facts, rankings and journey times. Runs from the repo's open dataset (CC BY 4.0); a free hosted endpoint is also live at https://trainrouter.com/mcp.

A multi-agent research system that decomposes complex queries into targeted sub-questions, searches the web in parallel, scores source credibility, and synthesizes findings into structured markdown reports.

Searches rule34.xxx posts by tag through the site's API, returning each post's page, file, dimensions, score, rating, and full tag list along with the total match count. It requires a user's rule34.xxx API key and user ID to operate.

Enables AI assistants to answer questions about French administrative procedures for individuals, professionals and the self-employed using only official service-public.gouv.fr guides. Every answer returns verbatim official text with a citable link and last update date, and flags low-confidence results when nothing relevant is found.

Query verified pricing, aggregated user ratings, feature comparisons, and category rankings for 508+ SaaS, AI, and security tools across 45 categories. No API key required - install with npx @comparedge/mcp-server

Perfume database API with verified notes: 1,500+ perfumes, 160+ houses, 400+ raw materials in a fragrance ingredients database. 12 tools over MCP and REST, OpenAPI spec, free and keyless, answers in 10 languages. Look up a note or raw material and get the perfumes that use it, or a perfume and get its full top, heart and base pyramid. Built by Scento.

A local catalogue of the AI tools people share in group chats: search it, save links, vote out junk, and file items into your own folders. Works with any model or none.

Enables searching and retrieving course details, schedules, prerequisites, and instructor information from the CMU course catalog via the ScottyLabs API.

Lets AI assistants discover public Socrata open-data portals, search their datasets, inspect schemas, and run bounded read-only SoQL queries to answer questions with live government data. All access is strictly read-only and results come straight from the publisher's portal.

Search and read recipes from the English Wikibooks Cookbook, with tools to rescale ingredient lists to a target number of servings.