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

Annotations already cover the safety profile (readOnly, idempotent, openWorld), so the description's added value is the ownership constraint ('a request created by the same authenticated agent') and the partial return disclosure ('an accepted request returns only the public GitHub contact route'). Both are genuine behavioral facts not present in the annotations, though return behavior for non-accepted states is unstated.

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?

Two sentences with no waste: the sequencing instruction is front-loaded, followed immediately by the return-behavior constraint. Every clause earns its place.

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?

With no output schema, the description partially compensates by disclosing what an accepted request returns, which is the key payload fact. It omits what pending/rejected requests look like and whether the two required identifiers must match exactly, leaving a small gap for a status-check tool.

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% and both parameters are self-documenting, so the schema carries the load. The description's reference to 'the same authenticated agent' reinforces the ownership semantics of the pair, but adds no format or constraint detail beyond what the schema already provides.

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 (check a request) on a specific resource (an introduction request created via request_introduction), which distinguishes it from siblings like get_developer_profile or find_similar_developers. It never uses the word 'status' explicitly, so the exact returned field set is only partly clear.

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?

It gives an explicit ordering rule: 'Use after request_introduction,' naming the exact sibling that must precede it. It stops short of any when-not guidance or explanation of what to do if the request is still pending.

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