MCP Server Directory

US Federal Regulations (CFR) app.openkrill/rules

Read a CFR or eCFR section, or search US federal regulations and the Federal Register.

Fuci family.fuci.www/fuci

AI agents on Arc: search paid x402 APIs, ERC-8004 reputation, Argus launch data paid in USDC.

SEO Audit app.openkrill/seo-audit

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

mcp-server io.github.liftaven/mcp-server

MCP connector for Liftaven SEO research, connected search reports and reviewed website proposals.

borglayer-mcp io.github.borglayerdev/borglayer-mcp

Search, appraise & buy domains across 5 chains (USDC/USDT/USD1/USDG) via verified escrow.

Local MCP access to Stochastly desktop nodes, diagnostics and research tools.

Lookout — web answers with source-level proof. Search and fetch citeable excerpts, no API key.

springbrand io.github.springbrand-lab/springbrand

GTM tools for agents: social listening, traffic and SEO research, lead and creator discovery

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

UXUS Agent Services: wallet lookup, entity labels, caller ID io.github.Dcroyalty/uxus

Free wallet lookup, ENS, labels, caller ID. Paid x402: search, scrape, XRP yield and lending grades

QFactory io.github.0design/qfactory

Read-only QFactory catalog of agent workflows: search, get exact versions, schema, validate YAML.

ScrapeMole Pkgs dev.pages.scrapemole/pkgs

Pay-per-call x402 npm and PyPI package metadata, versions, search, download counts.

CrawlerData: Google Shopping & SERP com.crawlerdata/google-shopping-serp

Google Shopping products and seller prices, plus Google Search, Images, News and Local results.

StartupHub.ai ai.startuphub/startuphub

Funding rounds, AI startup and investor search, email discovery, agent-readiness. No API key.

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...

Search Linux apps on Flathub. No key required.

LogsLoom io.github.efim23/logsloom

Ingest and search LogsLoom logs from coding agents.

GoAI Moat Email Person Lookup com.goaimoat/email-person-lookup

Reverse email lookup: find the person behind an email (name, title, company).

Prediction Markets Data: Kalshi + Polymarket io.github.bkeller-research/prediction-markets-data

Live Kalshi + Polymarket prices, orderbooks, trades, results. Pay per result via Apify.

Read and search a folder of Markdown notes: search, backlinks, tags, tasks, outlines, git history.

MCP server for web search and page extraction across the free tiers of several providers

Product Hunt Data (Official API) io.github.bkeller-research/product-hunt-data

Product Hunt launches, votes, makers, comments via the official API. Pay per result.

InstaVeil Agent Commerce com.instaveil/agent-commerce

Instagram research, Story monitoring and creator comparison. MCP x402 paid calls, USDC on Solana.

Mail and contacts on a self-hosted Stalwart server via JMAP: search, read, OCR, send, drafts.