MCP Server Directory

Decode and verify JSON Web Tokens locally. No network and no key.

Placeholder JSON test data. No key required.

English Test Coach io.github.jimbob1414/english-test-coach

IELTS writing practice, study plans, lessons and vocabulary with optional account tools.

Beamline UI io.beamline/beamline

React UI parts your agent copies into your repo as code you own: 200+ components, 50+ screens.

Local aggregate test-history stability analysis without test names or raw result contents. Tools...

Security scanner for AI-generated code. 30 free rules; all 223 with a paid-plan API key.

groTAX by Grovisor ae.grovisor/grotax

UAE Corporate Tax: CT computation, SBR, penalties, free zone test, TP and health-check.

Ziplore: US ZIP Code API (county, time zone, demographics, radius) io.github.CyberMax-tools/zip-data-api

Ziplore: US ZIP to county, FIPS, time zone, Census demographics; radius and city ZIPs. Free, no key.

Newest and top stories from Lobsters, the developer news site. No key required.

Country codes, names, and regions from the DataHub country catalog. No key required.

MailTester Email Verification com.mailtester/email-verification

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

Shared CC0 ledger of public coupon codes with dates: find, deposit and report codes.

Inspect, refactor, lint, run and version Power Query (M) in Excel workbooks and Power BI projects.

Drive IPG CarMaker for Simulink: run test runs, read results, edit vehicle data and parameters.

Landfiller io.github.obrientt/landfiller

Build budget Commander mana bases with card quantities, reasoning, warnings, and shopping links.

Country flag image URLs and codes. No key required.

MegaLens ai.megalens/mcp

Code review by AI models from different companies, usually two. Shows where they agree and disagree.

ZeroWidth Napkin ai.zerowidth/napkin

Draw boards, write docs and sheets, and build decks with your brand in Napkin.

Build chords and scales from note names locally. No network and no key.

Codeberg repositories from the Codeberg API. No key required.

Cryptowisser News com.cryptowisser/news

Latest crypto news, stories and articles from Cryptowisser, with news cards linking to full stories.

Pinloft: Batch Geocoder — Address to Lat/Long + Census FIPS io.github.CyberMax-tools/batch-geocoder

Pinloft: US address to lat/lon, county, FIPS; reverse geocoding. Free, no key.

Codeforces competitive programming API: contests and user info. No key required.

Morocco communes io.github.zkousama/morocco-communes

Morocco's régions, provinces and communes: HCP codes, names, census population and boundaries