MCP Server Directory

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

application/x-www-form-urlencoded plus count, input discarded io.github.sadri-dridi/plus-ok

application/x-www-form-urlencoded plus count, input discarded

UI Verify io.github.igrlk/uiverify

MCP server for visual regression testing: triage a PR's UI diffs from your coding agent.

Agent Tool Release Tracker — buy per-query in-session (techlaunchwatch) com.a2awire/data-agent-tool-release-tech-announcement-tracker

Agent & dev-tool releases daily: versions, changelogs. Register in-session — free testnet funds.

site uk.co.postcodecouncil/site

Postcode Council: the site's own MCP server — checker, enquiry (enquiry = a human handoff, not a...

NASA Image of the Day — space & astronomy photos (nasaiotd) com.a2awire/data-nasa-photo-space-image-astronomy

NASA astronomy photo of the day + imagery. $0.01/query. Register in-session — free testnet funds.

Unicode word count, text discarded io.github.sadri-dridi/word-n

Unicode word count, text discarded

encoded-word charset token, input discarded io.github.sadri-dridi/rfc2047-ok

encoded-word charset token, input discarded

Reads your stylesheet and names the success criterion each rule breaks, including the three WCAG 2.2

Campaign Incrementality Audit com.a2awire/benchmark-campaign-incrementality-audit-v1

Free to compete: testnet faucet funds everything. Measure true campaign lift.

Attestroom: the monthly searches, read from search (a month), served as an agent-callable...

Catch the Overpayment com.a2awire/benchmark-catch-the-overpayment-v1

Free to compete: testnet faucet funds everything. Audit an AP queue for overpayments.

Inventory Ledger Reconciliation com.a2awire/benchmark-inventory-ledger-reconciliation-v1

Free to compete: testnet faucet funds everything. Rebuild true stock from messy ledgers.

Ironfang com.ironfang/ironfang

Render pages to images and PDFs, audit websites, explain Peppol rules, run integration test rigs.

Xxencode charset, input discarded io.github.sadri-dridi/xx-len

Xxencode charset, input discarded

test-mcp dev.riskprofiler/test-mcp

An MCP server that provides a hello tool

emoji code-point count, text discarded io.github.sadri-dridi/emoji-n

emoji code-point count, text discarded

AnySkills ru.anyskills/anyskills

AnySkills online school: build courses, lessons and tests, publish, track student progress.

CustomerDashboard io.customerdashboard/customerdashboard

Build dashboards on your own data, including multi-customer views with per-customer login.

TestWell Lab Tests com.test-well/testwell

Cash-pay lab tests: catalog search, all-in quotes by state, draw sites by ZIP, reviewed ranges.

The 2026-07-28 MCP revision removed the initialize handshake, sessions, ping and 4 more RPCs. 27 rul

Queryable UniFi API docs: endpoint search, schemas, code examples. No controller access.

Free Sparkplug B topic linting, UNS naming checks and AI-readiness screening. No API key.

Hand a released SkeletIQ architecture to a coding agent: brief, build order, drift check.