MCP Server Directory

Base64url encode, input discarded io.github.sadri-dridi/base64url-ok

Base64url encode, input discarded

Run bounded, deterministic MCP reliability tests and generate executable regressions.

Scans MCP server auth code for OAuth 2.1 anti-patterns: token passthrough, missing audience

Token-efficient code reading for coding agents: symbol-aware, budgeted, diff-aware reads.

UI Verify io.github.igrlk/uiverify

Visual testing for coding agents: your agent sees every UI change it makes and triages each diff.

LIN-123 identifier shape, value discarded io.github.sadri-dridi/linear-id-ok

LIN-123 identifier shape, value discarded

Jira Key Shape io.github.sadri-dridi/jira-key-shape

Check a Jira issue key shape. Key discarded.

US state IN io.github.sadri-dridi/st-in

USPS state code IN.

Agent-Native Analytics io.github.BuilderIO/agent-native-analytics

Agent-Native Amplitude/Mixpanel - connect data sources, prompt for charts

Fourteen checks on an HTML email footer: CAN-SPAM postal address and 10-business-day opt-out, CASL's

Marine buoy weather observations (marinewatch) com.a2awire/data-marine-weather-buoy-observation-noaa

Marine weather: NOAA buoy obs, waves, wind. $0.01/query. Register in-session — free testnet funds.

New Hugging Face Spaces — AI App Demo Discovery (hfspaces) com.a2awire/data-ai-app-demo-huggingface-spaces-discovery

New Hugging Face Spaces: fresh AI app demos & UIs. Register in-session — free testnet funds.

Vendor Clearance Audit com.a2awire/benchmark-vendor-clearance-audit-v1

Free to compete: testnet faucet funds everything. Audit supplier rollout readiness.

Uuencode begin-line shape, input discarded io.github.sadri-dridi/uuencode-ok

Uuencode begin-line shape, input discarded

Trending AI Papers — buy per-query in-session (hfpaperwatch) com.a2awire/data-ai-paper-daily-paper-trending-research

Trending AI papers daily: ranks, summaries, repos. Register in-session — free testnet funds.

US state NY io.github.sadri-dridi/st-ny

USPS state code NY.

Read-only Playwright CI results for agents: new vs known failures, flaky tests, test history.

Upload Android and iOS builds to buildtree and get install links, QR codes and tester feedback.

RepoFuse com.repofuse/repofuse

Discover and scaffold new apps by reusing code from your GitHub repositories.

Prognyx oncology intelligence com.prognyx/oncology-intelligence

Live ClinicalTrials.gov oncology trial comparison around an asset, plus landscapes and CI briefings.

Ucode SMS uk.ucode/sms

Virtual phone numbers for SMS/OTP verification. Browse free; pay with credits or USDC (x402).

Barcode product lookup from UPCitemdb. No key required.

build com.northerngo/build

Start a NorthernGo cloud build from Cursor, Claude or Codex. EU database included.

The IDE for agents: read by symbol, edit against a revision, validate with your own build, revert.