About
Showcase & demos for arbiter - MCP Server Validator
README
MCP Server Validator - protocol compliance, code quality, best practices, and LLM ergonomics
What is arbiter?
arbiter validates MCP servers against the MCP specification. It checks protocol compliance, tool quality, error handling, security, and LLM usability. Returns maturity scores with actionable fix packs.
- 5 MCP tools
- 4 validation profiles (lenient/standard/strict/paranoid)
- 5 badge levels (CERTIFIED to NON_COMPLIANT)
- 7 fix packs with effort estimates
- 177 passing tests
Source Repository
Development happens at fbratten/arbiter.
This showcase repository is the documentation and demo site. It is not open for collaborative development.
About
Built by Fredrik Bratten as part of the AdaptiveArts.ai research initiative.
Installing Arbiter Showcase
This server has no published package — it is built from source. Open the repository and follow its README.
▸ github.com/fbratten/arbiter-showcaseFAQ
Is Arbiter Showcase MCP free?
Yes, Arbiter Showcase MCP is free — one-click install via Unyly at no cost.
Does Arbiter Showcase need an API key?
No, Arbiter Showcase runs without API keys or environment variables.
Is Arbiter Showcase hosted or self-hosted?
Self-hosted: the server runs locally on your machine via the install command above.
How do I install Arbiter Showcase in Claude Desktop, Claude Code or Cursor?
Open Arbiter Showcase on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.
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