MCP Server tool call output is not tracking properly with context management system (unexpected overflow) #861
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| name: Issue Deduplicator | |
| on: | |
| issues: | |
| types: | |
| - opened | |
| - labeled | |
| jobs: | |
| gather-duplicates: | |
| name: Identify potential duplicates | |
| if: ${{ github.event.action == 'opened' || (github.event.action == 'labeled' && github.event.label.name == 'codex-deduplicate') }} | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| outputs: | |
| codex_output: ${{ steps.codex.outputs.final-message }} | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Prepare Codex inputs | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| run: | | |
| set -eo pipefail | |
| CURRENT_ISSUE_FILE=codex-current-issue.json | |
| EXISTING_ISSUES_FILE=codex-existing-issues.json | |
| gh issue list --repo "${{ github.repository }}" \ | |
| --json number,title,body,createdAt \ | |
| --limit 1000 \ | |
| --state all \ | |
| --search "sort:created-desc" \ | |
| | jq '.' \ | |
| > "$EXISTING_ISSUES_FILE" | |
| gh issue view "${{ github.event.issue.number }}" \ | |
| --repo "${{ github.repository }}" \ | |
| --json number,title,body \ | |
| | jq '.' \ | |
| > "$CURRENT_ISSUE_FILE" | |
| - id: codex | |
| uses: openai/codex-action@main | |
| with: | |
| openai-api-key: ${{ secrets.CODEX_OPENAI_API_KEY }} | |
| allow-users: "*" | |
| model: gpt-5 | |
| prompt: | | |
| You are an assistant that triages new GitHub issues by identifying potential duplicates. | |
| You will receive the following JSON files located in the current working directory: | |
| - `codex-current-issue.json`: JSON object describing the newly created issue (fields: number, title, body). | |
| - `codex-existing-issues.json`: JSON array of recent issues (each element includes number, title, body, createdAt). | |
| Instructions: | |
| - Compare the current issue against the existing issues to find up to five that appear to describe the same underlying problem or request. | |
| - Focus on the underlying intent and context of each issue—such as reported symptoms, feature requests, reproduction steps, or error messages—rather than relying solely on string similarity or synthetic metrics. | |
| - After your analysis, validate your results in 1-2 lines explaining your decision to return the selected matches. | |
| - When unsure, prefer returning fewer matches. | |
| - Include at most five numbers. | |
| output-schema: | | |
| { | |
| "type": "object", | |
| "properties": { | |
| "issues": { | |
| "type": "array", | |
| "items": { | |
| "type": "string" | |
| } | |
| }, | |
| "reason": { "type": "string" } | |
| }, | |
| "required": ["issues", "reason"], | |
| "additionalProperties": false | |
| } | |
| comment-on-issue: | |
| name: Comment with potential duplicates | |
| needs: gather-duplicates | |
| if: ${{ needs.gather-duplicates.result != 'skipped' }} | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| issues: write | |
| steps: | |
| - name: Comment on issue | |
| uses: actions/github-script@v7 | |
| env: | |
| CODEX_OUTPUT: ${{ needs.gather-duplicates.outputs.codex_output }} | |
| with: | |
| github-token: ${{ github.token }} | |
| script: | | |
| const raw = process.env.CODEX_OUTPUT ?? ''; | |
| let parsed; | |
| try { | |
| parsed = JSON.parse(raw); | |
| } catch (error) { | |
| core.info(`Codex output was not valid JSON. Raw output: ${raw}`); | |
| core.info(`Parse error: ${error.message}`); | |
| return; | |
| } | |
| const issues = Array.isArray(parsed?.issues) ? parsed.issues : []; | |
| const currentIssueNumber = String(context.payload.issue.number); | |
| console.log(`Current issue number: ${currentIssueNumber}`); | |
| console.log(issues); | |
| const filteredIssues = issues.filter((value) => String(value) !== currentIssueNumber); | |
| if (filteredIssues.length === 0) { | |
| core.info('Codex reported no potential duplicates.'); | |
| return; | |
| } | |
| const lines = [ | |
| 'Potential duplicates detected. Please review them and close your issue if it is a duplicate.', | |
| '', | |
| ...filteredIssues.map((value) => `- #${String(value)}`), | |
| '', | |
| '*Powered by [Codex Action](https://github.com/openai/codex-action)*']; | |
| await github.rest.issues.createComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: context.payload.issue.number, | |
| body: lines.join("\n"), | |
| }); | |
| - name: Remove codex-deduplicate label | |
| if: ${{ always() && github.event.action == 'labeled' && github.event.label.name == 'codex-deduplicate' }} | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| GH_REPO: ${{ github.repository }} | |
| run: | | |
| gh issue edit "${{ github.event.issue.number }}" --remove-label codex-deduplicate || true | |
| echo "Attempted to remove label: codex-deduplicate" |