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Agent skill

Aster Fix Workflow

by Zfinix in Zfinix/aster

Pipe aster review findings into aster fix to generate and apply patches safely, using review --json, fix --findings-json, dry-run inspection, --apply, and permission gating.

Apache-2.0Auto-check passedDevelopment

Install Aster Fix Workflow

skills CLI
$ npx skills add Zfinix/aster --skill aster-fix-workflow -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install Zfinix/aster aster-fix-workflow --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/Zfinix/aster.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/aster-fix-workflow .claude/skills/aster-fix-workflow && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
aster-fix-workflow
GitHub stars
112
Token cost
~534 tokens
SKILL.md length
208 words
Files
1
Skills in repo
19
Repo updated
First seen
Licence
Apache-2.0

At a glance

Pipe aster review findings into aster fix to generate and apply patches safely, using review --json, fix --findings-json, dry-run inspection, --apply, and permission gating.

  • Asked to auto-fix review findings
  • SKILL.md covers The pipeline, Rules, Curating findings and After applying
  • Calls jq and git
  • Apply asters suggested edits

What it does

Aster Fix Workflow is an agent skill from Zfinix/aster. Pipe aster review findings into aster fix to generate and apply patches safely, using review --json, fix --findings-json, dry-run inspection, --apply, and permission gating. Use when asked to auto-fix review findings, apply aster's suggested edits, or build a review-then-fix pipeline.

Its SKILL.md is about 530 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Development, covering Code review. The repository describes itself as: An open-source agent harness for software work. The licence is Apache-2.0.

When your agent uses it

  • Asked to auto-fix review findings
  • Apply asters suggested edits
  • Build a review-then-fix pipeline

Example prompts

  • “/aster-fix-workflow”

What it can do on your machine

Read from SKILL.md and the folder at commit 3fbb67c. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • jq
    • git

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use git, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Aster Fix Workflow loads about 534 tokens when it runs. Until then it costs about 76 tokens; SKILL.md has 208 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~76
When it runs · the whole SKILL.md, loaded when a task matches
~534

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from Zfinix/aster at commit 3fbb67c, republished under its Apache-2.0 licence (© Zfinix). 208 words, ~534 tokens.

Download SKILL.mdSave it as .claude/skills/aster-fix-workflow/SKILL.md (or your agent's skills folder).
name
aster-fix-workflow
description
Pipe aster review findings into aster fix to generate and apply patches safely, using review --json, fix --findings-json, dry-run inspection, --apply, and permission gating. Use when asked to auto-fix review findings, apply aster's suggested edits, or build a review-then-fix pipeline.

Review → fix workflow

aster fix takes findings produced by aster review --json and asks the model for concrete edits. It is dry-run by default and only writes with --apply, subject to the permissions block in aster.yaml.

The pipeline

sh
aster review --json > findings.json        # 1. review, capture findings
aster fix --findings-json findings.json    # 2. dry-run: preview proposed edits
aster fix --findings-json findings.json --apply   # 3. write to the working tree

Or as one stream:

sh
aster review --json | aster fix --findings-json - --apply

Rules

  • ALWAYS run the dry-run first and read the preview before --apply. Never jump straight to --apply on findings you have not seen.
  • --apply writes to the working tree only; it never commits. Review the diff with git diff afterward and commit yourself.
  • Writes are gated by permissions in aster.yaml (mode, plus allow/ask/deny rules). A headless run has no way to answer a prompt, so anything that reaches ask is refused: automation needs mode: edit with explicit allow rules like Edit(src/**).
  • --json emits one JSON array of per-finding results (useful to report which fixes applied, failed, or were skipped).
  • --model overrides the fix model (else ASTER_MODEL, else aster.yaml); --repo-root <DIR> sets the root the finding paths are relative to.

Curating findings

aster fix fixes whatever is in the array, so filter first. Findings are JSON; drop low-confidence or out-of-scope entries before fixing, e.g.:

sh
aster review --json | jq '[.[] | select(.confidence >= 0.8)]' | aster fix --findings-json -

After applying

Run the project's tests/build to confirm the fixes hold, then commit. Treat model edits like any other patch: verified, not trusted.

© Zfinix, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in skills/aster-fix-workflow of Zfinix/aster.

Open the folder on GitHubat commit 3fbb67c

Compare with similar skills

Aster Fix Workflow next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Aster Fix Workflow compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Aster Fix Workflow this skillZfinix/aster112—~534Automated safety check: PassApache-2.0
PR Babysitteropeninterpreter/openinterpreter69k3 repos~4.2kAutomated safety check: PassApache-2.0
Code Review ChecklistshareAI-lab/learn-claude-code78k5 repos~1.1kAutomated safety check: PassMIT
Backend Code Reviewlangflow-ai/langflow156k—~3.5kAutomated safety check: NotesMIT
Understand Diff AnalysisEgonex-AI/Understand-Anything86k1 repos~1.4kAutomated safety check: PassMIT
Mole Bug Patternstw93/Mole70k—~2kAutomated safety check: PassGPL-3.0

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  • Aster Config

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    Reference for aster.yaml, covering review models, analyzers, focus areas, include/exclude globs, minconfidence, and the permissions block that gates edits.

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  • Aster Planning

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  • Aster Review CI

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Categories

Questions about Aster Fix Workflow

What does Aster Fix Workflow do?

Pipe aster review findings into aster fix to generate and apply patches safely, using review --json, fix --findings-json, dry-run inspection, --apply, and permission gating. Aster Fix Workflow is an agent skill from Zfinix/aster. Pipe aster review findings into aster fix to generate and apply patches safely, using review --json, fix --findings-json, dry-run inspection, --apply, and permission gating.

When should I use Aster Fix Workflow?

Aster Fix Workflow fits situations like: asked to auto-fix review findings; apply asters suggested edits; build a review-then-fix pipeline.

How do I install Aster Fix Workflow in Claude Code?

Run `npx skills add Zfinix/aster --skill aster-fix-workflow -a claude-code`. Or copy the skill folder (skills/aster-fix-workflow in Zfinix/aster) into .claude/skills/aster-fix-workflow in your project. Claude Code loads it when a task matches its description.

How do I install Aster Fix Workflow in Codex?

Run `npx skills add Zfinix/aster --skill aster-fix-workflow -a codex`. Or copy the skill folder (skills/aster-fix-workflow in Zfinix/aster) into .agents/skills/aster-fix-workflow in your project. Codex loads it when a task matches its description.

Can I use Aster Fix Workflow in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add Zfinix/aster --skill aster-fix-workflow -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/aster-fix-workflow, .gemini/skills/aster-fix-workflow, .github/skills/aster-fix-workflow and .opencode/skills/aster-fix-workflow in your project.

What does Aster Fix Workflow need to run?

Going by SKILL.md and its folder, Aster Fix Workflow needs the command-line tools its instructions call (jq and git).

Does Aster Fix Workflow access the network?

SKILL.md contains no URLs. Its commands use git, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Aster Fix Workflow safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Aster Fix Workflow use?

Aster Fix Workflow is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Aster Fix Workflow use?

About 534 tokens (SKILL.md is roughly 2.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Aster Fix Workflow?

Skills that share tags, products or a category with Aster Fix Workflow: PR Babysitter (openinterpreter/openinterpreter, 69k stars), Code Review Checklist (shareAI-lab/learn-claude-code, 78k stars), Backend Code Review (langflow-ai/langflow, 156k stars) and Understand Diff Analysis (Egonex-AI/Understand-Anything, 86k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Aster Fix Workflow?

Zfinix (a GitHub user) maintains it in Zfinix/aster, which has 112 GitHub stars. The repository holds 19 skills in this directory. The repository was last updated on October 6, 2026.

Source: Zfinix/aster on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.