set_project

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It describes the tool's actions ('set', 'load') but lacks critical details: it doesn't specify if this is a read-only or destructive operation, what happens if the directory is invalid, whether changes persist, or any permission requirements. The mention of loading configurations hints at side effects, but this is insufficient for a mutation tool.

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, efficient sentence that front-loads the core functionality. Every word earns its place by specifying the tool's actions and resources without redundancy or unnecessary detail.

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's complexity (a mutation operation with 1 parameter) and the presence of an output schema (which reduces the need to describe return values), the description is minimally adequate. However, with no annotations and low schema coverage, it should do more to explain behavioral aspects like error handling or side effects to be 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?

The input schema has 0% description coverage, so the description must compensate. It implies that 'project_dir' is used to set the current project directory, adding some meaning beyond the bare schema. However, it doesn't clarify the parameter's format (e.g., absolute path, relative path) or constraints, leaving gaps in understanding.

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 tool's purpose with specific verbs ('set', 'load') and resources ('project directory', 'debug configurations from .vscode/launch.json'). It distinguishes itself from sibling tools by focusing on project setup rather than debugging operations, though it doesn't explicitly contrast with siblings like 'get_runtime_config' or 'refresh_debug_targets'.

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 provides no guidance on when to use this tool versus alternatives. It doesn't mention prerequisites (e.g., needing a valid project directory), exclusions, or how it relates to sibling tools like 'get_runtime_config' or 'refresh_debug_targets', leaving the agent to infer usage context.

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