Three tools with basic verb-noun naming (list_profiles, create_server, stop_server) and descriptions present, but significant gaps in parameter documentation and output schema clarity. All tools lack parameter descriptions, critical for LLM reasoning. No output schemas documented. Input schemas visible but incomplete: list_profiles has empty input {}, create_server and stop_server have typed parameters but lack descriptions for each field. Descriptions are adequate (20-50 chars) but generic. No error handling guidance, no idempotency hints, no recovery paths. Follows minimal pattern coverage (~15% of 54 patterns).

• Add parameter descriptions to all tools. For create_server: 'profile: AWS profile name from ~/.aws/config (e.g., "default", "prod-role"). Required.' and 'region: AWS region override (e.g., "us-east-1"). Defaults to profile-configured region if omitted.'
• Document output schemas. E.g., list_profiles returns {"profiles": [{"name": string, "region": string, "account_id": string}]}. create_server returns {"url": string, "profile": string, "region": string}.
• Add error recovery guidance. E.g., create_server: 'If profile not found, call list_profiles to see available profiles.' stop_server: 'If URL is invalid, call create_server to get the correct URL.'
• Clarify idempotency. Add to create_server: 'Idempotent: calling twice with the same profile returns the same server URL without restarting.' Add to stop_server: 'Calling stop_server twice with the same URL is safe (second call is a no-op).'
• Add constraints to parameters. E.g., region: 'Must be a valid AWS region (e.g., us-east-1, eu-west-1). See AWS docs for full list.' url: 'Must be a valid HTTP URL returned by create_server (e.g., http://127.0.0.1:8080).'