Dense Knowledge MCP defines 9 tools with consistent naming (mmp_* prefix), clear descriptions, and documented parameters. All tools have input schemas with type definitions and descriptions. However, output schemas are not documented, responses are returned as strings without structured field definitions. Parameter descriptions are adequate but lack constraint details (ranges, enums, format specs). Error handling guidance is minimal. The server includes strong safety warnings about untrusted data, which is appropriate for a knowledge store, but lacks recovery guidance for common failure modes.

• Document output schemas for all tools. Specify response structure: e.g., mmp_list returns {packages: [{name: string, topic: string, rev: int}]}, mmp_search returns {results: [{id: string, summary: string, score: float}], total: int}.
• Add enum constraints to parameters: status in mmp_write as enum ['F', 'C', 'H']; add min/max to k (1-100) and budget (optional, 0-1000000).
• Enhance mmp_write 'entries' parameter schema: define entry object with required fields (summary: string 3-15 words, tags: array of strings, status: enum, srcs: array, content: string) and optional (legend: string).
• Add error recovery guidance: document which errors are retryable (e.g., revision conflict → call mmp_open to get latest rev), which require user input (e.g., duplicate entry → review and set force=true), and which are fatal.
• Clarify versioning model: explain that 'rev' from mmp_open must be passed to write/update/deprecate; if rev is stale, operation fails with conflict error; guide LLM to retry with fresh rev.