MCP Server Directory

CodePostalPro com.codepostalpro/postal-codes

Postal lookups for 120 countries with cited sources; deep US tier: demographics, climate, area codes

thePaymentsNotes Ledger io.github.alwaysarafath/thepaymentsnotes-ledger

Verified agentic-commerce protocol status + merchant agent-readiness reports. Free on testnet.

MCP server for agent-driven React Native and Expo development and mobile testing

iana-registries-mcp-server io.github.cyanheads/iana-registries-mcp-server

Find IANA ports, MIME types, HTTP codes/fields, URI schemes, PENs, BCP 47 tags, RFCs, any registry.

Ucc Liens io.github.pipeworx-io/ucc-liens

UCC Liens — business-debtor UCC (Uniform Commercial Code) financing statements for Colorado…

Push OpenAPI specs, build SDKs in ten languages, publish API docs, and triage production SDK errors.

Desktop app with a local MCP server: your coding AI builds business screens, reports and charts.

PageHub dev.pagehub/mcp

Build, edit and publish websites on PageHub: pages, blocks, themes, collections, domains.

Nebelus Agent Construction ai.nebelus/construction

Build & govern AI agents for regulated industries: EU/GCC residency, governance, audit.

GoAI Moat Export Compliance com.goaimoat/export-compliance

Export compliance & HS code lookup for cross-border electronics sellers and factories.

PRUVIQ strategy verdicts (read-only) com.pruviq/verdicts

Read-only crypto strategy backtest & verification verdicts. No trading tools; every result is cited.

procedure-coverage io.github.builtforai/procedure-coverage

Medicare coverage and fee-schedule amounts for CPT/HCPCS codes against a diagnosis

KVKK/GDPR/CCPA compliance checks for codebases

Sandboxd Code Run com.saastemly/sandboxd-code-run

Hosted one-shot code execution: send a snippet plus optional files, get stdout, stderr, exit...

LNX link in bio net.lnx/lnx

Build a free link-in-bio page (lnx.net/name) for the user from their links, socials and bio.

feed-digest co.kymac.feeds/feed-digest

RSS/Atom URL → structured items for bots. Free try then prepaid TEST. https://feeds.kymac.co

acp-sandbox com.flo-voice1/acp-sandbox

Agentic Commerce Protocol sandbox: agent builds a cart, human approves a real PayPal payment.

Turn Zero Cloud ai.turnzero/cloud

Free backend for apps built with Claude Code and Codex: hosting, database, storage, sign-in, AI.

Cobrain space.cobrain/cobrain

Shared Markdown memory for Claude, ChatGPT, Claude Code and Codex. OAuth, no API keys.

PublicWWW com.publicwww/publicwww

Search the source code (HTML, JavaScript, CSS) of hundreds of millions of websites.

MailTester Email Verification com.mailtester/email-verification

Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.

SMX (Space Markets) testnet event markets and the Space Markets Index (SMI). Base Sepolia only.

Final POS – Custom POS Builder com.finalpos/final

Build custom POS apps with any AI agent: checkout flows, kiosks, payment terminals. Plus store ops.

Underlayer com.underlayerhq/underlayer

Build, publish and track embedded training courses in your product: courses, learners, SCORM.