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SourceParts

Source Parts MCP Server

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by SourceParts

ecn_create

Create a new Engineering Change Notice (ECN) for a project. Specifies ECN details like type, severity, and disposition, then commits to a branch or opens a pull request.

Instructions

Create a new Engineering Change Notice (ECN).

The API clones the repo, creates the ECN file in ECO/, commits, and optionally pushes to a branch or creates a PR. For local projects, use: parts project ecn create --id ECN-021 ...

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
project_idYesSource Parts project ID or git repo URL
ecn_idYesECN identifier (e.g. 'ECN-021')
titleYesECN title describing the issue
ecn_typeYesOne of: Design Constraint, Assembly Note, BOM Change, Schematic Change, Process Change
severityYesOne of: CRITICAL, HIGH, MEDIUM, LOW
dispositionYesOne of: REQUIRED, RECOMMENDED, OPTIONAL
categoryNoOptional category (e.g. Electrical, Mechanical, Thermal)
authorNoAuthor name (defaults to 'Unknown')
sourceNoSource reference
affectedNoAffected components
bodyNoECN body content (markdown). If empty, a template is used.
create_prNoIf True, create a pull request with the change
branchNoTarget branch for the commit (default: main)

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior4/5

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

No annotations provided; description carries burden. It discloses key behaviors: cloning repo, creating file in ECO/, committing, optionally pushing/branch/PR. However, it does not mention error handling, permissions, or side effects like overwriting.

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?

Two sentences cover purpose and workflow. Includes a hint for local usage, which is valuable. Could be slightly more concise, but no waste.

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?

With 13 parameters and 6 required, the description explains the creation process adequately. Output schema exists, so return values are covered. Could mention optional field defaults more explicitly, but overall complete for a creation tool.

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?

Schema covers 100% of parameters. Description adds value by explaining that 'If empty, a template is used' for the 'body' parameter and implies the ECO/ directory structure. Overall, it adds some context beyond 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 'Create a new Engineering Change Notice (ECN)' and outlines the process (clone repo, create file, commit, push/PR). It distinguishes from the local CLI alternative and sibling tools like ecn_get, ecn_update.

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?

Provides guidance by mentioning the local CLI alternative ('For local projects, use: ...'), but does not explicitly describe when to choose this tool over other ecn_* siblings or when not to use it.

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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