5543 Model Context Protocol servers — searchable, rated, ready to install.
Browser-measured visual debugging and verification tools for coding agents.
Reads .mcp.json / .vscode/mcp.json / claude_desktop_config.json while you edit it and marks the line
Unicode word count, text discarded
Postcode Council: the site's own MCP server — checker, enquiry (enquiry = a human handoff, not a...
NASA astronomy photo of the day + imagery. $0.01/query. Register in-session — free testnet funds.
USPS state code WA.
PubMed biomedical papers: new research daily. $0.01/query. Register in-session — free testnet funds.
Reads your stylesheet and names the success criterion each rule breaks, including the three WCAG 2.2
USPS state code MT.
emoji code-point count, text discarded
Build dashboards on your own data, including multi-customer views with per-customer login.
Checks whether generated Minecraft Bedrock content will actually load. Nine read-only tools.
Read and write one codebase ontology kept as Markdown in the repository.
USPS state code OH.
Build and publish scorecards, assessments, and scored surveys. Preview drafts and read submissions.
Run bounded, deterministic MCP reliability tests and generate executable regressions.
AnySkills online school: build courses, lessons and tests, publish, track student progress.
MCP policy proxy: enforces a code of conduct across connectors before the upstream is called.
MCP wrapping C2PA + watermarking as an EU Code of Practice on AI content marking (draft 2, June 2026
MCP server for visual regression testing: triage a PR's UI diffs from your coding agent.
Queryable UniFi API docs: endpoint search, schemas, code examples. No controller access.
Local multi-repo code graph over MCP. Blast radius, call graphs, and memory anchored to code.
Free to compete: testnet faucet funds everything. Measure true campaign lift.
Scaffold, validate, format, and run YAML .mmt API tests. Do not invent syntax.
POST /mcp