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UDS Toolbox

by com.udslib
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UDSLib integration plan

udslib_integration
Read-onlyIdempotent

Plan how to integrate the UDSLib C stack (ISO 14229 UDS server/client for embedded ECUs): which repo files to take, Kconfig/config hints, an init skeleton, the closest example, and the license terms (free noncommercial / commercial). UDSLib speaks ISO-TP over CAN/CAN-FD; DoIP is not supported.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "udslib_integration"
  }
}

Input Schema

NameRequiredDescriptionDefault
roleNo
rtosNo
targetNoMCU or board, e.g. "STM32F103", "H563".
featuresNodtc, dtc_persist, security, authentication, bootloader, flash_tool, custom_service, periodic, roe
transportNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

B3.4/5.0
Behavior4/5

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

Annotations already declare readOnlyHint/idempotent/destructiveHint=false, so the safe read nature is covered, and the description is consistent with that. Beyond annotations it adds genuinely useful behavior context: license terms (free noncommercial vs commercial) and the transport limitation (ISO-TP over CAN/CAN-FD, no DoIP), which pre-empts a wrong assumption about protocol support.

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 purpose and deliverable list are front-loaded in the first sentence, and the second sentence adds only high-value constraint information. It is dense but every clause earns its place; no filler or repetition.

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

Completeness3/5

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

With no output schema, the description does partially compensate by listing what the plan contains (repo files, config hints, init skeleton, example, license), which tells an agent what it will get back. However, it omits any relationship between the input parameters and the result, leaving a real gap for a five-parameter tool.

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

Parameters2/5

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

With schema coverage at only 40%, the description is expected to compensate, yet it never explains any of the five parameters. Three enum parameters (role, rtos, transport) have no schema descriptions, and nothing in the prose clarifies how role/rtos/target/features shape the plan output.

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?

The description names a specific verb and resource ('Plan how to integrate the UDSLib C stack') and enumerates the concrete deliverables (repo files, Kconfig hints, init skeleton, closest example, license terms), which is far more specific than a tautology. It is clearly distinguishable from the decode/build siblings, though it never explicitly contrasts itself with them.

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

Usage Guidelines3/5

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

Usage is only implied: an agent can infer this is the planning/research entry point for adopting UDSLib, but there is no 'use this when' statement or comparison to uds_reference. The line 'DoIP is not supported' functions as a soft when-not constraint, which is the main piece of routing guidance present.

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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