MCP manifest validator

Check discovery structure, HTTPS transports and tool descriptions.

Runs as you type. No upload, account or network request.

Manifest format Manifest JSON

Your free starter

Review placeholders and existing restrictions before publishing.

Normalized starter snippet Unlock all 26 fixes — $49

One-time $49 · 26 files · Base USDC or Monero.

Scope and source

Checks ASO discovery, mcpServers, Registry remotes and A2A 0.2.x. Full schema compliance and live behavior remain unverified.