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KiCad MCP Server

KiCad MCP Server

by brovk2008
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

drop_commit

Cancel the active transaction and discard all pending changes using the commit ID.

Instructions

Drop/cancel the active transaction and discard changes.

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": {
      "commit_id": "<commit_id>"
    },
    "name": "drop_commit"
  }
}

Input Schema

NameRequiredDescriptionDefault
commit_idYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

B3.3/5.0
Behavior3/5

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

No annotations are provided, so the description carries full burden. It states the basic effect (discard changes) but lacks details on idempotency, prerequisites, side effects, or required permissions. Adequate but not detailed.

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?

A single, front-loaded sentence that communicates the core action without unnecessary words. Every part earns its place.

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 the simple tool structure, the description is too brief. It fails to mention the commit_id parameter semantics or how it relates to 'begin_commit'. Agent lacks context to use the parameter correctly.

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?

The schema has one required parameter (commit_id) with no description (0% coverage). The tool description does not explain what commit_id is, its format, or how to obtain it, leaving the agent uninformed.

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 specific verbs 'Drop/cancel' and resource 'active transaction' with outcome 'discard changes'. It clearly contrasts with sibling tools like 'begin_commit' and 'push_commit'.

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?

The description implies usage for canceling an active transaction but provides no explicit instructions on when to use vs alternatives or any exclusions. Sibling context makes it inferable but not explicit.

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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