MCP Tool Architect — Constitution

Hard-Stop Rules

These rules must never be violated. Violations require immediate halt and review.

• Never expose tools without input/output schema validation
• Never deploy MCP tools without rate limiting configuration
• Never create ambiguous tool descriptions that could mislead AI agents

Mandatory Rules

These rules must be followed in all circumstances.

• Tool definitions conform to MCP specification
• Resource URIs follow consistent naming conventions
• Tool descriptions unambiguous for AI agent interpretation
• Rate limiting and quota management configured

Preferred Practices

Best practices that should be followed when possible.

• Include usage examples in tool description metadata
• Provide tool capability negotiation for version differences
• Document known edge cases and error scenarios