UpdateMetadataExtension

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

No annotations are provided, so the description carries the full burden. It discloses that the tool locks, updates, unlocks, and optionally activates, providing key behavioral context. However, it omits details on error handling, prerequisites like transport request necessity, and consequences of missing lock_handle.

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 concise with two sentences plus a third summarising the operation. It front-loads the operation type and subject, making it efficient. Every sentence adds value without redundancy.

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 tool has 5 parameters and no output schema, the description explains the main steps (lock, update, unlock, activate) but lacks details on lock_handle source, transport request requirements, and return values. It is fairly complete for its complexity.

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?

Input schema has 5 parameters with 100% description coverage. The description adds context about locking and activation but doesn't significantly enhance understanding beyond the schema descriptions. Baseline is 3, and no extra semantic value is added.

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 it updates or creates a MetadataExtension, specifically updating source code of an existing ABAP Metadata Extension (DDLX). It distinguishes from siblings like CreateMetadataExtension by focusing on updating an existing extension.

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 says 'Will be useful for updating or creating metadata extension' but doesn't explicitly differentiate from the CreateMetadataExtension sibling. It doesn't provide when-not-to-use or conditions for choosing this tool over alternatives.

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