Save AST transform chain

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

No annotations exist, so the description must carry behavioral disclosure. It does add that the chain is 'in-memory' and scoped to 'this MCP process', which clarifies lifecycle and volatility. However, it omits behaviors like overwriting an existing name, return value, or side effects.

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?

The description is one short, front-loaded sentence with no filler. It gets the core action and scope across quickly, meriting high conciseness despite being terse.

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 creation tool with no annotations or output schema, the description lacks several contextual details: duplicate name behavior, how the chain is referenced later, relation to apply/preview siblings, and return value. The enum schema helps, but the narrative context is incomplete.

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%, so the description needed to explain parameters. 'Named' hints at the name parameter and 'chain' implies the ordered nature of transforms, but the transforms enum values and the optional description field are left entirely to the schema.

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 uses a specific verb ('Create') and resource ('in-memory named transform chain'), and clarifies the process-local scope. It is clear about the action, though it does not explicitly differentiate from sibling tools like ast_transform_preview/apply.

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 guidance is provided on when to use this tool versus alternatives such as ast_transform_apply or ast_transform_preview. There are no exclusions or context statements beyond the basic creation act.

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