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CI/CD Pipeline Failure Fixer
Diagnose CI/CD failures, analyze build logs, and generate corrected pipeline configurations across all major platforms.
$5
CI/CD Pipeline Failure Fixer
Example session with this skill installed
My GitHub Action just failed on the 'test' job. Here is my action.yml and the log output showing an exit code 127 after the 'npm install' step. Can you find the root cause and fix it?
- Read your context and instructions
- Compiled the ci cd pipeline
The pipeline failed during the test stage because the npm command was not found in the runner environment. While npm install succeeded in the previous setup step, the test job was missing the necessary actions/setup-node configuration to persist the environment or was running on a different container without Node.js installed.
Pipeline Failure Summary
- Platform: GitHub Actions
- Failed pipeline: CI Workflow
- Failed stage: test
- Failure type: Environment/Runtime
- Root-cause confidence: High
- Primary evidence:
exit code 127(Command not found) fornpmin thetestjob log.
Stage Map
| Stage | Status | Dependency | Key Observation |
|---|---|---|---|
| checkout | Success | None | Repository cloned successfully. |
| build | Success | checkout | npm install completed on a hosted runner. |
| test | Failed | build | npm command not recognized. |
Root-Cause Analysis
Issue — Missing Node Runtime in Test Job
- Status: Confirmed
- Evidence: Log shows
sh: npm: command not found. - Root Cause: The
testjob is defined as a separate job frombuildbut does not include theactions/setup-nodestep or a container image containing Node.js. - Why It Happens: GitHub Action jobs run on fresh runners unless explicitly configured otherwise.
- Affected Stage: test
Corrected Configuration
jobs:
test:
runs-on: ubuntu-latest
needs: build
steps:
- uses: actions/checkout@v4
- name: Setup Node.js
uses: actions/setup-node@v4
with:
node-version: '20'
- name: Install dependencies
run: npm ci
- name: Run tests
run: npm test
Required Environment Variables & Secrets
| Name | Type | Required? | Scope | Purpose | Action |
|---|---|---|---|---|---|
| NODE_AUTH_TOKEN | Secret | Optional | npm-registry | For private packages | Check Repo Secrets |
Next steps
- Add the
setup-nodestep to thetestjob in youraction.yml. - Ensure
npm ciis used for consistent dependency installation in CI. - Rerun the failed job to verify the
npmcommand is available.
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What you get
About this skill
The problem
CI/CD failures often produce opaque logs that lead to hours of trial-and-error debugging. Developers struggle to distinguish between intermittent environment flakes, missing secrets, and actual configuration syntax errors.
What it does
- Analyzes pipeline YAML and build logs to pinpoint the first meaningful failure point.
- Traces stack traces and exit codes to separate root causes from downstream cascade errors.
- Identifies missing or misconfigured environment variables and secrets without exposing sensitive values.
- Generates minimal, corrected configuration snippets for GitHub Actions, GitLab CI, Jenkins, and more.
- Provides actionable verification steps to reproduce and fix the failure locally or in-pipe.
Frameworks & tools
GitHub Actions, GitLab CI/CD, Jenkins, CircleCI, Bitbucket Pipelines, and Azure Pipelines. Supports Dockerfiles, dependency files (npm, pip, maven), and shell scripts.
Why this beats prompting it yourself
Generic LLMs often hallucinate fixes or suggest unrelated refactors. This skill follows a strict forensic workflow that prioritizes evidence from logs over guesswork, ensuring you get the smallest safe change required to green the build.
Use cases
- Debugging "Permission Denied" errors in containerized CI runners.
- Fixing broken "needs" dependencies and artifact passing between stages.
- Resolving version mismatches between local environments and CI agents.
- Identifying missing repository secrets that cause silent deployment failures.
Known limitations
Cannot access private external logs or secret values directly. Requires manual provision of log snippets or YAML files if the agent lacks repository access.
How to install
Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.
- 1
Download the ZIP
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- 2
Unzip into your skills folder
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- 3
Ask your agent to use it
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