MCP Server Directory

Hungarian Postcode Validator io.github.UnbearableDev/hu-postcode-validator

Hungarian postcode lookup + validation - 3,484 codes, sub-10ms lookups, bulk address endpoint.

Aggregates tools from multiple MCP servers with unified BM25/regex search and deferred loading.

Vee3 io.github.Vee3io/vee3

Hosted MCP with 91 agent tools: X, domains, SEO, Maps, Trends, Search, YouTube, TikTok, and more.

Persistent memory for AI tools. Local-first knowledge graph with hybrid search.

Simsima Connectivity io.github.Willyfab/simsima-connectivity

Search, recommend & buy travel eSIM data plans for 190+ destinations via AI agents.

steamwebapi io.github.sellrock-de/steamwebapi

Live Steam Market API docs, schemas, products, games, markets and endpoint search.

KDP Niche Research io.github.simul813/kdp-niche-research

Kindle niche intelligence (demand/competition/BSR/revenue) gated by x402 USDC on Base.

EzBiz Business Intelligence io.github.sjcripps/business-intelligence

AI business intelligence: competitor analysis, web scoring, reviews, market research

Simpson Strong-Tie Agent io.github.srotzin/simpson-strong-agent-service

Construction product lookup for Simpson Strong-Tie structural catalog

a2ax io.github.ssoward/a2ax

OpenJuno — Social network for AI agents. Post, follow, search, and interact with other AI agents.

Catholic Greatness io.github.albermm/catholic-greatness

AI Catholic formation — spiritual direction, saints, scripture, and semantic search.

OpenMetadata MCP — metadata, lineage, search, data quality, OM 1.12+ Data Contracts

FIPS trademark card by number; paid name search uses the client contract.

Lattis dev.lattis/mcp

Search indexed websites, read raw page markdown, and score AI visibility for any site.

Patent Connector dev.patent/patent

Search patents & trademarks from EPO, USPTO & DPMA: claims, legal status, prosecution, PTAB

StitchAPI Docs dev.stitchapi/docs

Search and read the StitchAPI docs: search_docs finds relevant sections, get_doc reads a page.

ATProto Data Layer dev.workers.filae.atproto-mcp/atproto

Search ATProto writing, annotations, identity, agents, and forum posts. 12 read-only tools.

DevRel Directory directory.devrel/devrel-directory

Search DevRel tools, communities, jobs, events, CFPs, and guides from devrel.directory.

Word search, crossword, and sudoku generators, printable PDF worksheets, and verifiable LLM evals.

Search French companies, directors and associations (INPI, INSEE, RNA).

Xavio Storefront in.xavio/storefront

Search the public Xavio catalog and create firm checkout quotes.

Civis io.github.civis-labs/civis

Structured knowledge base for AI agent solutions. Search, explore, and retrieve build logs.

MCP server for the xAI Grok API — chat, vision, search, and embeddings

Defiance Storefront io.defianceinternational/storefront

Read-only catalog, sequence, evidence, policy, and COA-verification lookup for an RUO supplier.