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scout_coverage

Shows a session's or project's exploration coverage: states visited, unexercised elements, unused dropdown options, and unsubmitted forms, guiding where to explore next.

Instructions

Show exploration coverage: states visited, which elements remain unexercised, which options of a dropdown used this run no session has chosen yet, and which forms seen this run no session has submitted with every text field blank. Use to decide where to explore next and when the level's budget is satisfied. In a parallel run it shows this session's own work by default — the routes it reached this run and the forms it saw — so one lane is not handed another's gaps; scope:"project" shows every session's, each form and route tagged with the sessions that saw it.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
scopeNo'session': only the routes this session reached this run and the forms it saw. 'project': every route in the memory, across runs and sessions. Default: 'session' when other sessions share this project, else 'project'.
sessionNoTarget this session directly instead of the active one — pass it explicitly when dispatching to MULTIPLE sessions in one turn (e.g. two scout_click calls with different `session`), which then run CONCURRENTLY rather than queueing. Omit for single-session sequential use.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv3.17.0
    • addedInput schema / properties / scope
      Added value: +{
      +  "description": "'session': only the routes this session reached this run and the forms it saw. 'project': every route in the memory, across runs and sessions. Default: 'session' when other sessions share this project, else 'project'.",
      +  "enum": [
      +    "session",
      +    "project"
      +  ],
      +  "type": "string"
      +}
  2. Addedv1.1.0

TDQS

A3.8/5.0
Behavior4/5

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

With no annotations, the description carries the full burden and does substantial work: it discloses the default scope in parallel runs, the session-vs-project scoping behavior, and that each form/route is tagged with the sessions that saw it. It does not state read-only safety or return format, but for a read-only coverage query the parallel-run semantics are the key behavioral fact and they are covered.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Front-loaded with what the tool shows, but the prose is long and dense, with nested clauses such as 'which options of a dropdown used this run no session has chosen yet' that are hard to parse. It also duplicates the schema's scope explanation, so not every sentence earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema exists, so the description must characterize returns, and it does enumerate the coverage categories reported. Combined with the parallel-run scoping explanation and the documented defaults, an agent has enough to call it correctly; only the output shape (format, grouping) is left implicit.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the schema already defines both parameters thoroughly, including the default rule for `scope`. The description largely restates that (session vs project) and adds only the rationale ('so one lane is not handed another's gaps'), which is marginal value over the structured field.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ('Show exploration coverage') and then enumerates exactly what is shown: visited states, unexercised elements, unselected dropdown options, unsubmitted blank-field forms. An agent can distinguish it from status/report siblings by content, though no sibling is named to sharpen the contrast.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Gives clear when-to-use context: 'Use to decide where to explore next and when the level's budget is satisfied.' That is a concrete decision context, but no alternative tool is named and no explicit when-not condition is given.

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