DocSentinel MCP server exhibits significant definition quality gaps. The source code provided is severely truncated, the critical app/mcp_server.py file is cut off after the first import statement, preventing verification of actual tool definitions, schemas, and error handling. Based on the tool metadata visible in the evaluation header, 4 of 5 tools lack input parameter descriptions in their visible schemas. Naming is verb-first (good), but descriptions are minimal (under 100 chars each, approaching the lower bound). No output schemas, no error guidance, no parameter validation rules visible. The server appears to expose sensitive operations (submit_document_assessment, assess_document) as WRITE-risk tools but with no visible confirmation, dry-run, or permission-gate patterns. Tool composition shows overlap (submit_document_assessment + assess_document both perform assessment), suggesting a potential single-responsibility violation.

• Expand app/mcp_server.py to visible implementation. Provide full source or verify tool definitions directly in the MCP server code.
• Consolidate assess_document and submit_document_assessment into a single tool with clear semantics: either synchronous (block until complete) or async (return task_id). Clarify the difference in description.
• Add 50-150 character descriptions to every parameter. Include format, enum values, range, or regex constraints. Example: 'file_path: Path to document file (string, 1-500 chars, Unix/Windows paths accepted, must exist)'.
• Document output schemas for every tool. For get_assessment_status, specify: {task_id, status (enum: pending|in_progress|completed|failed), report (object or null), created_at (ISO 8601), expires_at (ISO 8601)}.
• Add error guidance to WRITE tools. Example: submit_document_assessment should return error with classification (retryable: true/false) and next step ('If file not found, verify path and permissions').
• Implement confirmation pattern for destructive operations. Add a dry_run parameter or require explicit confirm=true flag for submit_document_assessment and assess_document.
• Add min/max constraints to numeric parameters. Example: top_k in query_knowledge_base: type=integer, min=1, max=100, default=3.
• Implement tool annotations: mark submit_document_assessment and assess_document with destructiveHint=true; mark get_assessment_status, query_knowledge_base, get_agent_gateway_status with readOnlyHint=true.
• Add permission-gate pattern: document required scopes (e.g. 'write:documents', 'read:knowledge_base') and verify caller authority before executing WRITE tools.

Inferred effective spec: 2026-07-28+.

• Relies on Stateful initialize / Mcp-Session-Id (removed; protocol is stateless) - make each request self-contained