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MCP SteamOS Devkit

MCP SteamOS Devkit

by elliotttate
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

adb_install_apk

Installs or replaces an APK on a connected Lepton Android container within the SteamOS Devkit environment.

Instructions

Install or replace an APK in the connected Lepton Android container.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "apk_path": "<apk_path>"
    },
    "name": "adb_install_apk"
  }
}

Input Schema

NameRequiredDescriptionDefault
serialNo
replaceNo
apk_pathYes
extra_argsNo

Output Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.8/5.0
Behavior2/5

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

No annotations are provided, so the description must disclose behavioral traits. It only states 'Install or replace' without explaining prerequisites (e.g., device must be connected), effects (e.g., app overwriting), or error scenarios. This is insufficient for a mutation tool.

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

Conciseness4/5

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

The description is a single concise sentence with no extraneous words. It is front-loaded and efficient, though it could benefit from structured detail.

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

Completeness2/5

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

Given no annotations and 4 parameters, the description is insufficient. It omits output/return value information (despite an output schema existing) and lacks context about device state or error handling.

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

Parameters1/5

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

Schema coverage is 0%, yet the description adds no explanation of parameters. It does not clarify the role of 'serial', 'replace', or 'extra_args', leaving the agent without guidance beyond the raw schema.

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 clearly states the action ('Install or replace') and the resource ('APK in the connected Lepton Android container'). It distinguishes itself from sibling tools like adb_shell or adb_logcat by specifying APK installation.

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?

No explicit guidance on when to use this tool versus alternatives, nor when to use install vs replace. The description implies usage for APK operations but provides no context for decision-making.

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

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