Project MCP

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

No annotations are provided, so the description carries full burden. It states this is a read operation and mentions organization by priority with counts and summary, but doesn't disclose important behavioral aspects like whether this requires authentication, rate limits, pagination behavior, what happens when filters return no results, or the format/structure of the returned data. For a read operation with no annotation coverage, this leaves significant gaps in understanding how the tool behaves.

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 appropriately concise with two clear sentences. The first sentence states the core purpose and filtering capability, while the second adds useful context about organization and output format. There's no wasted language, though it could be slightly more front-loaded with the most critical information.

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 read operation with no annotations and no output schema, the description is insufficient. It mentions the tool returns tasks organized by priority with counts and summary, but doesn't describe the actual return format, data structure, or what fields are included. With 3 parameters and many sibling tools that could be alternatives, more context about when this specific backlog tool is appropriate would be valuable.

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 100%, so the schema already fully documents all three parameters. The description mentions 'optional filtering' which aligns with the parameters but adds no additional semantic context beyond what's in the schema. The baseline of 3 is appropriate when the schema does the heavy lifting for parameter documentation.

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: 'Reads and returns the current backlog contents' with optional filtering. It specifies the resource (backlog) and verb (reads/returns), and mentions organization by priority with counts and summary. However, it doesn't explicitly differentiate from sibling tools like 'list_tasks' or 'search_tasks' that might also retrieve task information.

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. With many sibling tools like 'list_tasks', 'search_tasks', 'get_next_task', and 'get_task', there's no indication of when this backlog-specific tool is appropriate versus general task listing/searching tools. The description mentions filtering capabilities but doesn't help the agent choose between this and other retrieval tools.

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