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openmausbot-cua-mcp

openmausbot_list_cua_tools

Read-onlyIdempotent

Lists all available computer-control tools exposed by the bundled cua-driver, enabling MCP clients to discover which actions can be invoked locally without network ports.

Instructions

List every tool exposed by the cua-driver bundled with OpenMausBot.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A3.9/5.0
Behavior3/5

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

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, so the safety profile is covered. The description adds useful scoping context ('cua-driver bundled with OpenMausBot') but does not disclose additional behavioral details such as output structure or whether the list is static or dynamically discovered.

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

Conciseness5/5

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

The entire description is one tight sentence with no filler. The verb and scope are front-loaded, and every word earns its place.

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

Completeness5/5

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

This is a simple, zero-argument, read-only listing tool with rich annotations and an output schema. Nothing an agent needs to call it correctly is missing, and the description fully covers the operation's scope.

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

Parameters4/5

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

The tool has zero parameters, and the schema is fully empty and unambiguous. With no parameters to explain, the description does not need to compensate for schema gaps.

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

Purpose5/5

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

The description uses a specific verb ('List') and a precise resource ('every tool exposed by the cua-driver bundled with OpenMausBot'). It clearly distinguishes this inventory tool from siblings that describe or call individual CUA tools.

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

Usage Guidelines2/5

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

The description gives no explicit guidance about when to use this tool versus alternatives such as openmausbot_describe_cua_tool or openmausbot_call_cua_tool. The intended use is only implied by the word 'List', not stated.

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