name: '🏷️ Gemini Issue Triage'
on:
issues:
types:
- 'opened'
- 'reopened'
workflow_dispatch:
inputs:
issue_number:
description: 'Issue number to triage'
required: true
type: 'number'
concurrency:
group: '${{ github.workflow }}-${{ github.event.issue.number || github.event.inputs.issue_number }}'
cancel-in-progress: true
permissions:
contents: 'read'
issues: 'write'
jobs:
triage-issue:
if: |-
github.event_name == 'workflow_dispatch' ||
(
github.event_name == 'issues' &&
contains(github.event.issue.labels.*.name, 'needs-triage')
)
timeout-minutes: 5
runs-on: 'ubuntu-latest'
steps:
- name: 'Get issue data for manual trigger'
id: 'get_issue_data'
if: github.event_name == 'workflow_dispatch'
uses: 'actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd' # v8.0.0
with:
github-token: '${{ secrets.GITHUB_TOKEN }}'
script: |
const { data: issue } = await github.rest.issues.get({
owner: context.repo.owner,
repo: context.repo.repo,
issue_number: ${{ github.event.inputs.issue_number }},
});
core.setOutput('title', issue.title);
core.setOutput('body', issue.body);
core.setOutput('labels', issue.labels.map(label => label.name).join(','));
return issue;
- name: 'Checkout'
uses: 'actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8' # v6.0.1
- name: 'Get Repository Labels'
id: 'get_labels'
uses: 'actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd' # v8.0.0
with:
github-token: '${{ secrets.GITHUB_TOKEN }}'
script: |
const { data: labels } = await github.rest.issues.listLabelsForRepo({
owner: context.repo.owner,
repo: context.repo.repo,
});
// Filter to area labels
const areaLabels = labels.map(l => l.name).filter(n =>
n.startsWith('area/') || n.startsWith('tool/') || n.startsWith('type/')
);
core.setOutput('available_labels', areaLabels.join(','));
core.info(`Found ${areaLabels.length} area labels: ${areaLabels.join(', ')}`);
- name: Analyze Issue with Gemini
id: gemini_analysis
uses: google-github-actions/run-gemini-cli@ba709f0578653f8a65869f9b862bd47455cd96d2 # v0.1.18
env:
GITHUB_TOKEN: '' # No auth token for untrusted input analysis
ISSUE_TITLE: '${{ github.event_name == ''workflow_dispatch'' && steps.get_issue_data.outputs.title || github.event.issue.title }}'
ISSUE_BODY: '${{ github.event_name == ''workflow_dispatch'' && steps.get_issue_data.outputs.body || github.event.issue.body }}'
AVAILABLE_LABELS: '${{ steps.get_labels.outputs.available_labels }}'
with:
# Use Gemini API key only (free tier) - no Vertex AI
gemini_api_key: '${{ secrets.GEMINI_API_KEY }}'
settings: |
{
"maxSessionTurns": 10
}
prompt: |
## Role
You are an issue triage assistant for Unreal Engine MCP Server.
## Task
Analyze this GitHub issue and select the most appropriate label.
Issue Title: ${{ env.ISSUE_TITLE }}
Issue Body: ${{ env.ISSUE_BODY }}
Available Labels: ${{ env.AVAILABLE_LABELS }}
## Area Definitions
- area/plugin: Issues with the C++ McpAutomationBridge plugin
- area/server: Issues with the Node.js MCP server
- area/tools: Issues with specific tool implementations
- area/testing: Issues with tests or test infrastructure
- area/docs: Documentation issues
- type/bug: Bug reports
- type/enhancement: Feature requests
- type/question: Questions or support requests
## Output
Select exactly ONE label. Output only valid JSON:
{"label": "area/server"}
- name: 'Apply Label'
if: steps.gemini_analysis.outputs.summary != ''
uses: 'actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd' # v8.0.0
env:
ISSUE_NUMBER: '${{ github.event.issue.number || github.event.inputs.issue_number }}'
GEMINI_OUTPUT: '${{ steps.gemini_analysis.outputs.summary }}'
AVAILABLE_LABELS: '${{ steps.get_labels.outputs.available_labels }}'
with:
github-token: '${{ secrets.GITHUB_TOKEN }}'
script: |
const fs = require('fs');
const summary = process.env.GEMINI_OUTPUT;
// Parse Gemini output for labels
let parsed = {};
try {
// Try to find JSON block
const match = summary.match(/```json\n([\s\S]*?)\n```/);
if (match) {
parsed = JSON.parse(match[1]);
} else {
parsed = JSON.parse(summary);
}
} catch (e) {
core.warning('Failed to parse Gemini output as JSON');
return;
}
const label = parsed.label;
if (!label) {
core.warning('No label returned from Gemini');
return;
}
const availableLabels = (process.env.AVAILABLE_LABELS || '').split(',');
if (!availableLabels.includes(label)) {
core.warning(`Label '${label}' not in available labels; skipping`);
return;
}
const issueNumber = parseInt(process.env.ISSUE_NUMBER);
await github.rest.issues.addLabels({
owner: context.repo.owner,
repo: context.repo.repo,
issue_number: issueNumber,
labels: [label]
});
core.info(`Added label '${label}' to issue #${issueNumber}`);
// Remove needs-triage label
try {
await github.rest.issues.removeLabel({
owner: context.repo.owner,
repo: context.repo.repo,
issue_number: issueNumber,
name: 'needs-triage'
});
} catch (e) {
if (e.status !== 404) throw e;
}
