json_set

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

No annotations are provided, so description carries full burden. It mentions auto-conversion of value to JSON, optional expiration, and return type (success/error). However, it does not disclose behavior like overwriting existing path, atomicity, or error conditions beyond generic 'error message'. More specifics would improve transparency.

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?

Description is concise with clear 'Args' and 'Returns' sections, using few sentences without redundancy. Every sentence serves a purpose, and the structure is easy to parse.

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?

Given the presence of an output schema (implied), the description covers the tool's purpose, parameters, and return type. It could mention edge cases (e.g., non-existent key, invalid path) but overall sufficient for basic usage.

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 0%, but the description explains each parameter: name (Redis key), path (JSON path), value (JSON string/auto-converted), expire_seconds (optional). This adds essential meaning beyond the schema's type-only definitions.

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?

Description clearly states 'Set a JSON value in Redis at a given path with an optional expiration time.' It specifies the operation (set), resource (JSON in Redis), and key parameters (path, expiration). This distinguishes it from sibling tools like json_get, json_del, and set.

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?

No explicit guidance on when to use this tool vs alternatives (e.g., set for non-JSON, hset for hash fields). The context of Redis JSON operations is implied but not stated. A brief note on when to prefer this over other set tools would help.

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