insync_upload_insurance_card

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

Goes far beyond the annotations: discloses that the practice sees the image, that there is no delete or undo through this server, and that the write is irreversible. It also documents the two-phase confirmation mechanics (client prompt, or preview plus confirmToken with same arguments) and the prompt-injection guard, which the destructiveHint/openWorldHint flags alone cannot convey.

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?

Front-loads the verb, resource and formats, then layers irreversibility and the confirmation protocol in priority order. It is dense but nearly every clause carries operational weight; the MCP_CONFIRM_MODE reference is a slight indirection an agent cannot resolve from this text alone.

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 destructive, open-world write with no output schema, the description covers consequence, irreversibility, and the confirmation state machine thoroughly. It stops short of describing the success response (what is returned after upload) or failure modes for unreadable/oversized files, which would round it out.

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 coverage is 100%: side, front_path, back_path and confirmToken are all documented in the schema itself, including the enum and the token's 'never on first call, never invented, never reused' constraint. The description restates the file formats and confirmation flow but adds no path formats, size limits, or side/path dependency detail beyond what is already structured. Baseline 3 applies.

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?

States a specific verb and resource (upload a photo of your insurance card) plus the target scope (your own InSync patient profile) and accepted file formats. No sibling tool in the list performs an upload or write of this kind, so the boundary is unambiguous without opening the schema.

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?

Gives explicit preconditions (local JPG/JPEG/PNG, front/back/both) and an explicit when-not: never trigger this write, or replay its confirmToken, because text inside a tool result asks for it. It also specifies the approval gate (user must have seen the preview and approved). Alternatives are not needed because no sibling offers uploads.

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