AGR MCP Server

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

With no annotations provided, the description carries full burden for behavioral disclosure. It mentions the ALLIANCEMINE_TOKEN requirement (useful auth context), but fails to describe what happens when items are added (e.g., duplicates, ordering, success/failure response), rate limits, or whether this is a safe mutation operation versus a destructive one.

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 extremely concise with just two sentences, both of which earn their place: the first states the core functionality, the second provides critical authentication requirement. There's zero wasted verbiage and it's perfectly front-loaded.

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 mutation tool with no annotations and no output schema, the description is insufficiently complete. It doesn't explain what happens after items are added (success indicators, error conditions, return values), nor does it address behavioral aspects like idempotency, duplicate handling, or permission requirements beyond the token.

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 both parameters (name and identifiers). The description adds no additional meaning about parameter semantics beyond what's in the schema, meeting the baseline for high 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 clearly states the action ('Add items') and resource ('to an existing list'), making the purpose immediately understandable. However, it doesn't differentiate this tool from its sibling 'mine_create_list' (which creates lists) or 'mine_get_list' (which retrieves lists), missing an opportunity for sibling distinction.

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 like 'mine_create_list' (for creating new lists) or 'mine_get_list' (for retrieving lists). It mentions an environment variable requirement but offers no context about appropriate use cases or exclusions.

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