Three tools with mixed quality. http_request has a complete schema with 8 parameters, all typed and described, but the description is generic (48 chars, below the 50-200 baseline). oauth2_authorize_and_fetch_token has 8 parameters with types and descriptions, but the description is truncated in the source (incomplete). echo_tool is trivial (1 param, minimal value). No tool has documented output schemas. Error handling returns generic dicts without recovery guidance. No tool annotations (readOnlyHint, destructiveHint, idempotentHint) despite oauth2 being clearly destructive. Parameter descriptions lack format constraints (e.g., 'timeout' should specify '1-300 seconds'). No mention of rate limits, retries, or idempotency.

• Expand tool descriptions to 100-150 chars. For http_request: 'Make HTTP requests to external APIs. Supports OAuth2 bearer tokens cached by oauth2_authorize_and_fetch_token. Returns status, headers, and parsed response body (JSON or text).'
• Document output schemas in tool metadata. E.g., http_request returns {status_code: int, headers: object, body: object|string, error?: string}.
• Add tool annotations: mark oauth2_authorize_and_fetch_token with destructiveHint=true; mark http_request with idempotentHint=true (when no body/json); mark echo_tool with readOnlyHint=true.
• Add enum constraints to method parameter: ['GET', 'POST', 'PUT', 'DELETE', 'PATCH', 'HEAD', 'OPTIONS']. Add range to timeout: 'number, 1-300 seconds, default 30'.
• Enhance error messages with recovery guidance. E.g., 'Request failed: {error}. Check URL format, network connectivity, or try again in 30 seconds.' For oauth2: 'Authorization failed: {reason}. Ensure client_id, client_secret, and redirect_uri are correct.'

Inferred effective spec: <=2025-11-25.

• Relies on Logging (deprecated) - log to stderr or use OpenTelemetry