Install Project

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

The annotations already declare the operation as destructive and open-world, so the description does not need to repeat that. However, the description adds no behavioral context beyond the word 'Metacello'—it does not mention image mutation, conflict handling, or persistent 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 a single, focused sentence with no filler or repetition of the title. It front-loads the action and object clearly, making it easy for an agent to parse quickly.

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 full parameter schema, the annotations, and the presence of an output schema, the description is minimally adequate for invoking the tool correctly. It still lacks explicit when-to-use guidance and any warning about what 'install' changes in the environment, so it is not fully complete.

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 coverage is 100%, and every parameter already has a description, so the tool description does not need to explain parameters. It also adds no extra semantic constraints or clarifications beyond the schema, matching the baseline for full 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 states a specific action ('install'), a resource ('project'), and a mechanism ('Metacello'), making the tool's purpose reasonably clear. It does not explicitly distinguish it from sibling tools like import_package, but the Metacello reference narrows the intent.

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?

There is no guidance about when to use install_project instead of alternatives such as import_package, nor any prerequisites like repository access or expected environment. The only implied usage is 'when you need to install a project,' which is not enough to prevent misselection.

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