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n24q02mn24q02m/crg/skills/review-delta/SKILL.md

review-delta

Skill76 starsChanged 8 months agoApache-2.0View on GitHub

Review uncommitted changes using impact analysis. Quick local delta review with blast-radius detection.

2 other projects use a version of this.

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Most recently taken up by

  • Other versions2 projects use a version of this.

    Word for word · 1

    1. n24q02m/better-code-review-graph★ 76100% same

    Edited · 0

    None found.

    Wrote their own version · 1

    1. tirth8205/code-review-graph★ 33ksame name

    How matches are found. Word for word: the exact same text. Edited: shares passages with this file (“99% same” means 99% of its five-word phrases also appear here; 10% or more counts). Their own version: similar meaning, or, weakest, the same name. We can’t tell which project had it first. Projects are counted among the 200 most-starred candidates, and mentions are links to the repository we found, up to 50 per site, so both counts are a floor.

  • In this repository10 other files it gives its agents.

The file

We split this skill into the rules it gives an agent

6 rules. About 0 are common, 4 are distinctive, and 2 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈4

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 2

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Very specific:

    Command surface: run the local CLI through the coding harness shell.

    line 11
  2. Distinctive:

    Check if impacted callers/dependents need updates

    line 33
  3. Very specific:

    Verify test coverage with crg query query --pattern tests_for --target "<function>" --repo-root "<path>"

    line 34
  4. Distinctive:

    High: if any of: >5 impacted files, public API signature change, public API behavior change, breaking change in exported symbols

    line 62
  5. Distinctive:

    Low: if all of: only test files changed, only documentation/comments changed, only config/CI files changed

    line 63
  6. Distinctive:

    Only sends changed + impacted code to the model (5-10x fewer tokens)

    line 68

≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Review Delta

Perform a focused, token-efficient code review of uncommitted changes and their blast radius. Use this for quick local reviews BEFORE committing. For full branch/PR reviews, use review-pr instead.

Command surface: run the local CLI through the coding harness shell. Examples use the installed crg command; from a source checkout, prefix it with uv run. No MCP mapping is required. Use crg review --help for the command reference.

Steps

  1. Ensure the graph is current with crg graph build --base HEAD --repo-root "<path>".
  2. Get review context with crg review context --base HEAD --repo-root "<path>". This returns:
    • Changed files (auto-detected from git diff)
    • Impacted nodes and files (blast radius)
    • Source code snippets for changed areas
    • Review guidance (test coverage gaps, wide impact warnings, inheritance concerns)
  3. Analyze the blast radius by reviewing the impacted_nodes and impacted_files in the JSON result. Focus on:
    • Functions whose callers changed (may need signature/behavior verification)
    • Classes with inheritance changes (Liskov substitution concerns)
    • Files with many dependents (high-risk changes)
  4. Perform the review using the context. For each changed file:
    • Review the source snippet for correctness, style, and potential bugs
    • Check if impacted callers/dependents need updates
    • Verify test coverage with crg query query --pattern tests_for --target "<function>" --repo-root "<path>"
    • Flag any untested changed functions

  5. Report findings in a structured format:

    ## Delta Review

### Summary
<One-line overview of the changes>

### Risk Level
- **Low**: Test-only changes, documentation, config files
- **Medium**: Implementation changes with <5 impacted files, no public API changes
- **High**: >5 impacted files OR public API signature/behavior change

### Issues Found
- <Bugs, style issues, missing tests>

### Blast Radius
- <List of impacted files/functions>

### Recommendations
1. <Actionable suggestion>

Risk Level Escalation Rules

  • High if any of: >5 impacted files, public API signature change, public API behavior change, breaking change in exported symbols
  • Low if all of: only test files changed, only documentation/comments changed, only config/CI files changed
  • Medium: everything else

Advantages Over Full-Repo Review

  • Only sends changed + impacted code to the model (5-10x fewer tokens)
  • Automatically identifies blast radius without manual file searching
  • Provides structural context (who calls what, inheritance chains)
  • Flags untested functions automatically

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