register_schema

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

No annotations are provided, so the description must disclose behavior, but it only restates the action. It gives no information about versioning semantics, whether existing versions are overwritten, registry/compatibility behavior, side effects, or required permissions.

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 economical sentence with no filler or repetition. While it is arguably too sparse for the tool's complexity, it is not verbose or poorly structured, and the core action is 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?

With five parameters, a nested object, no output schema, and no annotations, a one-line description is far from complete. The agent has no way to know what parameters mean, how to assemble the request, or what the result of registration will be.

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 0%, and the description does not compensate by explaining any of the five parameters. Terms like subject, registry, schema_type, and schema_definition are left undefined, so the agent gains no meaning beyond the raw schema names.

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 uses a specific verb ('register') and resource ('new schema version'), which clearly identifies the core operation and distinguishes it from read-oriented siblings like get_schema and get_schema_versions. It does not, however, mention the target context or how registration relates to subjects, so it is clear but not fully differentiated.

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 on when to use register_schema instead of alternatives such as create_context, check_compatibility, or get_schema_versions. The description does not state prerequisites, conditions, or when registration is the appropriate action, leaving the agent without routing information.

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