mcp-server-devutils

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

No annotations are provided, so the description carries full burden. While 'Minify' implies a transformation operation, it doesn't disclose important behavioral traits: whether malformed JSON will cause errors, if the output is deterministic, performance characteristics, or what happens with special JSON values. The description only states what the tool does, not how it behaves.

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?

Extremely concise single sentence with parenthetical clarification. Every word earns its place - 'Minify' (verb), 'a JSON string' (resource), '(remove whitespace)' (operational detail). No wasted words or redundant information.

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 simple transformation tool with 100% schema coverage but no annotations and no output schema, the description is minimally adequate. It explains what the tool does but lacks information about error conditions, output format, or behavioral guarantees that would be helpful for an AI agent.

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?

Schema description coverage is 100%, with the parameter 'input' clearly documented as 'JSON string to minify'. The description adds no additional parameter semantics beyond what the schema already provides, so it meets the baseline for high schema coverage.

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?

The description clearly states the specific action ('Minify') and resource ('a JSON string'), with the parenthetical '(remove whitespace)' providing precise operational detail. It distinguishes from sibling json_format (which presumably formats/beautifies JSON) by focusing on minimization.

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 description implies usage context (when you need to remove whitespace from JSON), but doesn't explicitly state when to use this tool versus alternatives like json_format or json_validate. No explicit exclusions or prerequisites are mentioned.

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