sim_script

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

Annotations are absent, so the description must carry the full behavioral burden. It states that events fire at emulated timestamps and that interactive firmware behavior is captured, but it omits the execution model, side effects, permissions, error behavior, and whether the simulation is isolated or modifies persistent state.

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?

A single, front-loaded sentence that efficiently packs the tool's scope and key interaction types. There is no filler or redundancy.

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?

The rich input schema covers parameters, but the description does not explain the overall workflow, output or return behavior (no output schema exists), or how this tool relates to sim_run and sim_expect. For a complex simulation tool with no annotations, this leaves important contextual gaps.

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 documents all ten parameters in detail. The description adds no parameter-level meaning beyond the general scope, so the baseline of 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?

The description names the verb 'Simulates', the resource 'hardware interactions', and enumerates concrete interaction categories (button presses, GPIO levels, rotary encoder turns, touch, UART/console input). It does not explicitly differentiate this tool from siblings such as sim_run or sim_expect, which keeps it below a 5.

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?

No explicit when-to-use guidance or alternatives are given. The description implies the tool injects timed inputs into an emulated firmware session, but an agent must infer this from the purpose statement rather than being told directly when to choose it over sim_run or sim_expect.

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