health

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the burden and does well: it discloses the read-only, lightweight nature, explicitly bounds side effects by stating it will not initialize the vector store or embeddings model, and names the concrete fields reported. It does not state the return semantics beyond format, or error behavior, so it falls just short of a 5.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Is the description appropriately sized, front-loaded, and free of redundancy?

Front-loads the purpose in one line, then lists the reported fields and the explicit non-goal, then the return format. Every sentence earns its place; the only mild redundancy is a separate 'Returns' block for a format the output schema already implies.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a zero-parameter read-only check with an output schema present, the description gives enough: what is inspected, what is excluded, and the response format. Missing only minor detail such as whether it can fail hard or what the report looks like when degraded.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The tool takes zero parameters, so the baseline is 4; there is nothing the description could add or omit. The schema coverage is 100% and no param information is needed.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb+resource ('readiness check for the ProjectMind MCP server') and enumerates exactly what it inspects: version, project root, memory file status, index status, and root-validity. This is clearly distinct from siblings like maintenance_status or get_index_stats, which cover deeper/longer-running diagnostics.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Does the description explain when to use this tool, when not to, or what alternatives exist?

The word 'readiness check' implies a pre-flight/diagnostic use, and 'Lightweight' plus 'Does NOT initialize the vector store or embeddings model' hints at when it is preferable to a heavier init. However, no sibling alternative is named and there is no explicit when-to-use/when-not statement.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.