MCP Server Directory

Step-through debugging for AI agents: breakpoints, stepping and live variables in ten languages

Data Breach Notification Deadlines io.github.Nero-Engine/breach-notification-deadlines

Who to notify after a data breach and by what date: all US states, SEC, HIPAA, GDPR, UK. Sourced.

Unofficial MCP server for the Lexware Office accounting API — runs over stdio or HTTP.

Lumen Agent Utilities io.github.Dansgit2b/lumenworks-decoder

x402 agent tools: calldata/EIP-712/x402 decoders, web→MD, ENS, DNS, PubMed, arXiv, SEC, weather

Import a bank CSV, categorise it, summarise it per currency and reconcile it against your expenses.

Korean Law in English — Statutes & Articles (법령 영문) io.github.kr-data-api/korea-law

Official English text of Korean laws (law.go.kr): search by name, get articles; flags outdated texts

company-enrichment io.github.DataLeadsPRO/company-enrichment

Enrich any domain into a full company profile with firmographics and buying signals.

Estimate age and gender from a first name using Agify and Genderize. No key required.

URL scanning from urlscan.io. No key required.

Pay-per-call crypto market data over x402 (USDC on Base). Free catalog without a wallet.

fcc-spectrum-mcp-server io.github.cyanheads/fcc-spectrum-mcp-server

Search FCC radio licenses, find nearby licensed sites, and see who is licensed on a frequency.

FNV-1a 64-bit hex, input discarded io.github.sadri-dridi/fnv1a64-ok

FNV-1a 64-bit hex, input discarded

email-spam-tester io.github.serg-tanichev/email-spam-tester

Test an email before it goes out: a disposable address, 41 checks with RFC citations, a fix plan.

captchaflow io.github.DataLeadsPRO/captchaflow

Universal captcha solving with the industry-standard createTask / getTaskResult protocol, 19 task

CompatLab io.github.siddiksawani/compatlab

Read recorded npm loading evidence across pinned Node.js, Bun and Deno runtimes.

airbnb-data io.github.DataLeadsPRO/airbnb-data

Airbnb search, listing details, and calendar availability as clean structured data.

Retirement Lab io.github.cedarwelllabs/retirementlab

Run hypothetical retirement simulations and compare outcomes using your assumptions.

Web Intel (x402) io.github.mcpspro/web-intel

Pay-per-call web extraction, SEO audits and text analysis. USDC on Base via x402, no API keys.

Drug names, identifiers, and properties from NIH RxNav. No key required.

Fit a video or GIF to its destination's size limit at measured quality, and share a link.

CRC-16 hex length, input discarded io.github.sadri-dridi/crc16-len

CRC-16 hex length, input discarded

Backlinkswinkel io.github.backlinkswinkel/backlinks

Search Dutch websites for backlinks, check metrics and prices, order after confirmation, track.

Control and debug Firefox: navigate, fill forms, inspect network and console, profile.

Outage.Me io.github.marcioyoshida/outage-me

Live cloud/SaaS outages, provider reliability and exploited CVEs from official status pages and CISA