MCP Server Directory

Holon com.useholon/holon

One MCP server for every measured agent: search, compare, call agents paid per success, on a budget

SEC EDGAR company filings, XBRL facts, and full text search for public companies. No key required.

AET Machine Commerce io.github.mnvhmslf/aet-machine-commerce

Read-only PAPER market research for autonomous agents; no live trading or alpha claim.

CompanyStack uk.co.companystack/mcp

UK company data: search, officers, owners, shareholders, filed accounts, new companies, KYB checks.

BrinkerAdvisor Reading Guide io.github.adpadinc/brinkeradvisor-reading-guide

Search factual investing-book metadata and browse BrinkerAdvisor reading paths.

iposignal xyz.iposignal/iposignal

IPO deal terms, SEC filings, AI research and sentiment, plus live valuation metrics for US stocks.

Look up protein structures and search the RCSB Protein Data Bank. No key required.

TopTik — TikTok data app.toptik/tiktok

TikTok data for agents: videos, creators, comments, search, transcripts. 25 tools, pay per call.

SEO Audit app.openkrill/seo-audit

Find what to fix on a public website, for search engines and for AI answers.

Look up DNS records for any domain using Google DNS over HTTPS. No key required.

AMNT SVG io.amnt/svg

Text or image to clean, editable SVG from $0.01. Free SVG library + agent search, no key.

Wiza io.github.pipeworx-io/wiza

Wiza MCP — wraps the Wiza 'Individual Reveal' phone-lookup API (wiza.co)

X/Twitter read API for agents: search, timelines, Smart Money. Claude/Cursor MCP. Not for posting.

Joint Genesis Research io.github.usliberty/joint-genesis-mcp

Physician reviewed research on joint pain, osteoarthritis, and relief options from Dr. Mark Weis

geld machen x402 agent utilities dev.fly.geld-machen-x402/agent-utilities

x402 pay-per-call agent tools (Base USDC): web search, URL extract, OCR, Base tx & allowance scans

HortOS (New Zealand) com.hortosapp/nz

Search New Zealand wholesale plant growers' live stock lists and price a plant list. Read-only.

SoldFetch io.github.ricciflow-api/soldfetch

Search eBay sold and active listings, browse categories, and retrieve item details.

Open Library search, works, authors, editions, and ISBN.

Multi-client read and controlled write (off by default): GA4, GSC, Merchant, GTM, ad platforms.

Search Raindrop.io bookmarks and review tag and collection plans. Read-only MCP by default.

Username Search & OSINT - Maigret Profile Finder, 5,000+ Sites io.github.AnshumanAtrey/maigret-username-search

Username Search & Lookup - Maigret OSINT Tool

Dmarc Spf Audit io.github.Dawaxwx/dmarc-spf-audit

Complete domain email-auth audit in one call: SPF with RFC 7208 lookup counting, DKIM selector pr...

Tiny Plates io.github.Artmann/tiny-plates

Search structured recipes, scale servings, match pantry ingredients, and build shopping lists.

Protocol Guide io.github.thefiredev-cloud/protocol-guide

Cited US EMS protocol search by agency and state, with exact protocol-number lookup.