refactor: move BASE_BRANCH env reading into parseGitHubContext

- Move BASE_BRANCH environment variable reading into parseGitHubContext for consistency
- Update setupBranch to use context.inputs.baseBranch instead of process.env
- Fix test descriptions to correctly reference BASE_BRANCH instead of DEFAULT_BRANCH
- Update test environment setup to use BASE_BRANCH

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,36 +0,0 @@
----
-name: Bug report
-about: Create a report to help us improve
-title: ""
-labels: bug
-assignees: ""
----
-
-**Describe the bug**
-A clear and concise description of what the bug is.
-
-**To Reproduce**
-Steps to reproduce the behavior:
-
-1. Go to '...'
-2. Click on '....'
-3. Scroll down to '....'
-4. See error
-
-**Expected behavior**
-A clear and concise description of what you expected to happen.
-
-**Screenshots**
-If applicable, add screenshots to help explain your problem.
-
-**Workflow yml file**
-If it's not sensitive, consider including a paste of your full Claude workflow.yml file.
-
-**API Provider**
-
-[ ] Anthropic First-Party API (default)
-[ ] AWS Bedrock
-[ ] GCP Vertex
-
-**Additional context**
-Add any other context about the problem here.

.github/workflows/claude.yml

@@ -34,5 +34,3 @@ jobs:
         uses: anthropics/claude-code-action@beta
         with:
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
-          allowed_tools: "Bash(bun install),Bash(bun test:*),Bash(bun run format),Bash(bun typecheck)"
-          custom_instructions: "You have also been granted tools for editing files and running bun commands (install, run, test, typecheck) for testing your changes: bun install, bun test, bun run format, bun typecheck."

.github/workflows/issue-triage.yml

@@ -1,104 +0,0 @@
-name: Claude Issue Triage
-description: Run Claude Code for issue triage in GitHub Actions
-on:
-  issues:
-    types: [opened]
-
-jobs:
-  triage-issue:
-    runs-on: ubuntu-latest
-    timeout-minutes: 10
-    permissions:
-      contents: read
-      issues: write
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: Setup GitHub MCP Server
-        run: |
-          mkdir -p /tmp/mcp-config
-          cat > /tmp/mcp-config/mcp-servers.json << 'EOF'
-          {
-            "github": {
-              "command": "docker",
-              "args": [
-                "run",
-                "-i",
-                "--rm",
-                "-e",
-                "GITHUB_PERSONAL_ACCESS_TOKEN",
-                "ghcr.io/github/github-mcp-server:sha-7aced2b"
-              ],
-              "env": {
-                "GITHUB_PERSONAL_ACCESS_TOKEN": "${{ secrets.GITHUB_TOKEN }}"
-              }
-            }
-          }
-          EOF
-
-      - name: Create triage prompt
-        run: |
-          mkdir -p /tmp/claude-prompts
-          cat > /tmp/claude-prompts/triage-prompt.txt << 'EOF'
-          You're an issue triage assistant for GitHub issues. Your task is to analyze the issue and select appropriate labels from the provided list.
-
-          IMPORTANT: Don't post any comments or messages to the issue. Your only action should be to apply labels.
-
-          Issue Information:
-          - REPO: ${{ github.repository }}
-          - ISSUE_NUMBER: ${{ github.event.issue.number }}
-
-          TASK OVERVIEW:
-
-          1. First, fetch the list of labels available in this repository by running: `gh label list`. Run exactly this command with nothing else.
-
-          2. Next, use the GitHub tools to get context about the issue:
-             - You have access to these tools:
-               - mcp__github__get_issue: Use this to retrieve the current issue's details including title, description, and existing labels
-               - mcp__github__get_issue_comments: Use this to read any discussion or additional context provided in the comments
-               - mcp__github__update_issue: Use this to apply labels to the issue (do not use this for commenting)
-               - mcp__github__search_issues: Use this to find similar issues that might provide context for proper categorization and to identify potential duplicate issues
-               - mcp__github__list_issues: Use this to understand patterns in how other issues are labeled
-             - Start by using mcp__github__get_issue to get the issue details
-
-          3. Analyze the issue content, considering:
-             - The issue title and description
-             - The type of issue (bug report, feature request, question, etc.)
-             - Technical areas mentioned
-             - Severity or priority indicators
-             - User impact
-             - Components affected
-
-          4. Select appropriate labels from the available labels list provided above:
-             - Choose labels that accurately reflect the issue's nature
-             - Be specific but comprehensive
-             - Select priority labels if you can determine urgency (high-priority, med-priority, or low-priority)
-             - Consider platform labels (android, ios) if applicable
-             - If you find similar issues using mcp__github__search_issues, consider using a "duplicate" label if appropriate. Only do so if the issue is a duplicate of another OPEN issue.
-
-          5. Apply the selected labels:
-             - Use mcp__github__update_issue to apply your selected labels
-             - DO NOT post any comments explaining your decision
-             - DO NOT communicate directly with users
-             - If no labels are clearly applicable, do not apply any labels
-
-          IMPORTANT GUIDELINES:
-          - Be thorough in your analysis
-          - Only select labels from the provided list above
-          - DO NOT post any comments to the issue
-          - Your ONLY action should be to apply labels using mcp__github__update_issue
-          - It's okay to not add any labels if none are clearly applicable
-          EOF
-
-      - name: Run Claude Code for Issue Triage
-        uses: anthropics/claude-code-base-action@beta
-        with:
-          prompt_file: /tmp/claude-prompts/triage-prompt.txt
-          allowed_tools: "Bash(gh label list),mcp__github__get_issue,mcp__github__get_issue_comments,mcp__github__update_issue,mcp__github__search_issues,mcp__github__list_issues"
-          mcp_config_file: /tmp/mcp-config/mcp-servers.json
-          timeout_minutes: "5"
-          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}

.gitignore

@@ -1,4 +1,3 @@
-.DS_Store
 node_modules
 
 **/.claude/settings.local.json

README.md

@@ -446,7 +446,7 @@ anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
 ```
 
 This applies to all sensitive values including API keys, access tokens, and credentials.
-We also recommend that you always use short-lived tokens when possible
+We also reccomend that you always use short-lived tokens when possible
 
 ## License
 

action.yml

@@ -98,7 +98,7 @@ runs:
     - name: Run Claude Code
       id: claude-code
       if: steps.prepare.outputs.contains_trigger == 'true'
-      uses: anthropics/claude-code-base-action@c8e31bd52d9a149b3f8309d7978c6edaa282688d # v0.0.8
+      uses: anthropics/claude-code-base-action@5097b6cdfe5fc5a3ac0166cc344c34ed23c93982 # https://github.com/anthropics/claude-code-base-action/releases/tag/v0.0.5
       with:
         prompt_file: /tmp/claude-prompts/claude-prompt.txt
         allowed_tools: ${{ env.ALLOWED_TOOLS }}
@@ -114,9 +114,6 @@ runs:
         ANTHROPIC_MODEL: ${{ inputs.model || inputs.anthropic_model }}
         GITHUB_TOKEN: ${{ steps.prepare.outputs.GITHUB_TOKEN }}
 
-        # Provider configuration
-        ANTHROPIC_BASE_URL: ${{ env.ANTHROPIC_BASE_URL }}
-
         # AWS configuration
         AWS_REGION: ${{ env.AWS_REGION }}
         AWS_ACCESS_KEY_ID: ${{ env.AWS_ACCESS_KEY_ID }}
@@ -154,8 +151,6 @@ runs:
         CLAUDE_SUCCESS: ${{ steps.claude-code.outputs.conclusion == 'success' }}
         OUTPUT_FILE: ${{ steps.claude-code.outputs.execution_file || '' }}
         TRIGGER_USERNAME: ${{ github.event.comment.user.login || github.event.issue.user.login || github.event.pull_request.user.login || github.event.sender.login || github.triggering_actor || github.actor || '' }}
-        PREPARE_SUCCESS: ${{ steps.prepare.outcome == 'success' }}
-        PREPARE_ERROR: ${{ steps.prepare.outputs.prepare_error || '' }}
 
     - name: Display Claude Code Report
       if: steps.prepare.outputs.contains_trigger == 'true' && steps.claude-code.outputs.execution_file != ''

src/create-prompt/index.ts

@@ -58,27 +58,10 @@ export function buildAllowedToolsString(
 
 export function buildDisallowedToolsString(
   customDisallowedTools?: string,
-  allowedTools?: string,
 ): string {
-  let disallowedTools = [...DISALLOWED_TOOLS];
+  let allDisallowedTools = DISALLOWED_TOOLS.join(",");
-
-  // If user has explicitly allowed some hardcoded disallowed tools, remove them from disallowed list
-  if (allowedTools) {
-    const allowedToolsArray = allowedTools
-      .split(",")
-      .map((tool) => tool.trim());
-    disallowedTools = disallowedTools.filter(
-      (tool) => !allowedToolsArray.includes(tool),
-    );
-  }
-
-  let allDisallowedTools = disallowedTools.join(",");
   if (customDisallowedTools) {
-    if (allDisallowedTools) {
+    allDisallowedTools = `${allDisallowedTools},${customDisallowedTools}`;
-      allDisallowedTools = `${allDisallowedTools},${customDisallowedTools}`;
-    } else {
-      allDisallowedTools = customDisallowedTools;
-    }
   }
   return allDisallowedTools;
 }
@@ -665,7 +648,6 @@ export async function createPrompt(
     );
     const allDisallowedTools = buildDisallowedToolsString(
       preparedContext.disallowedTools,
-      preparedContext.allowedTools,
     );
 
     core.exportVariable("ALLOWED_TOOLS", allAllowedTools);

src/entrypoints/prepare.ts

@@ -92,10 +92,7 @@ async function run() {
     );
     core.setOutput("mcp_config", mcpConfig);
   } catch (error) {
-    const errorMessage = error instanceof Error ? error.message : String(error);
+    core.setFailed(`Prepare step failed with error: ${error}`);
-    core.setFailed(`Prepare step failed with error: ${errorMessage}`);
-    // Also output the clean error message for the action to capture
-    core.setOutput("prepare_error", errorMessage);
     process.exit(1);
   }
 }

src/entrypoints/update-comment-link.ts

@@ -145,48 +145,38 @@ async function run() {
       duration_api_ms?: number;
     } | null = null;
     let actionFailed = false;
-    let errorDetails: string | undefined;
 
-    // First check if prepare step failed
+    // Check for existence of output file and parse it if available
-    const prepareSuccess = process.env.PREPARE_SUCCESS !== "false";
+    try {
-    const prepareError = process.env.PREPARE_ERROR;
+      const outputFile = process.env.OUTPUT_FILE;
+      if (outputFile) {
+        const fileContent = await fs.readFile(outputFile, "utf8");
+        const outputData = JSON.parse(fileContent);
 
-    if (!prepareSuccess && prepareError) {
+        // Output file is an array, get the last element which contains execution details
-      actionFailed = true;
+        if (Array.isArray(outputData) && outputData.length > 0) {
-      errorDetails = prepareError;
+          const lastElement = outputData[outputData.length - 1];
-    } else {
+          if (
-      // Check for existence of output file and parse it if available
+            lastElement.role === "system" &&
-      try {
+            "cost_usd" in lastElement &&
-        const outputFile = process.env.OUTPUT_FILE;
+            "duration_ms" in lastElement
-        if (outputFile) {
+          ) {
-          const fileContent = await fs.readFile(outputFile, "utf8");
+            executionDetails = {
-          const outputData = JSON.parse(fileContent);
+              cost_usd: lastElement.cost_usd,
-
+              duration_ms: lastElement.duration_ms,
-          // Output file is an array, get the last element which contains execution details
+              duration_api_ms: lastElement.duration_api_ms,
-          if (Array.isArray(outputData) && outputData.length > 0) {
+            };
-            const lastElement = outputData[outputData.length - 1];
-            if (
-              lastElement.role === "system" &&
-              "cost_usd" in lastElement &&
-              "duration_ms" in lastElement
-            ) {
-              executionDetails = {
-                cost_usd: lastElement.cost_usd,
-                duration_ms: lastElement.duration_ms,
-                duration_api_ms: lastElement.duration_api_ms,
-              };
-            }
           }
         }
-
-        // Check if the Claude action failed
-        const claudeSuccess = process.env.CLAUDE_SUCCESS !== "false";
-        actionFailed = !claudeSuccess;
-      } catch (error) {
-        console.error("Error reading output file:", error);
-        // If we can't read the file, check for any failure markers
-        actionFailed = process.env.CLAUDE_SUCCESS === "false";
       }
+
+      // Check if the action failed by looking at the exit code or error marker
+      const claudeSuccess = process.env.CLAUDE_SUCCESS !== "false";
+      actionFailed = !claudeSuccess;
+    } catch (error) {
+      console.error("Error reading output file:", error);
+      // If we can't read the file, check for any failure markers
+      actionFailed = process.env.CLAUDE_SUCCESS === "false";
     }
 
     // Prepare input for updateCommentBody function
@@ -199,7 +189,6 @@ async function run() {
       prLink,
       branchName: shouldDeleteBranch ? undefined : claudeBranch,
       triggerUsername,
-      errorDetails,
     };
 
     const updatedBody = updateCommentBody(commentInput);

src/github/operations/branch.ts

@@ -45,9 +45,8 @@ export async function setupBranch(
 
       const branchName = prData.headRefName;
 
-      // Execute git commands to checkout PR branch (shallow fetch for performance)
+      // Execute git commands to checkout PR branch
-      // Fetch the branch with a depth of 20 to avoid fetching too much history, while still allowing for some context
+      await $`git fetch origin ${branchName}`;
-      await $`git fetch origin --depth=20 ${branchName}`;
       await $`git checkout ${branchName}`;
 
       console.log(`Successfully checked out PR branch for PR #${entityNumber}`);
@@ -112,8 +111,8 @@ export async function setupBranch(
       sha: currentSHA,
     });
 
-    // Checkout the new branch (shallow fetch for performance)
+    // Checkout the new branch
-    await $`git fetch origin --depth=1 ${newBranch}`;
+    await $`git fetch origin ${newBranch}`;
     await $`git checkout ${newBranch}`;
 
     console.log(

src/github/operations/comment-logic.ts

@@ -15,7 +15,6 @@ export type CommentUpdateInput = {
   prLink?: string;
   branchName?: string;
   triggerUsername?: string;
-  errorDetails?: string;
 };
 
 export function ensureProperlyEncodedUrl(url: string): string | null {
@@ -76,7 +75,6 @@ export function updateCommentBody(input: CommentUpdateInput): string {
     actionFailed,
     branchName,
     triggerUsername,
-    errorDetails,
   } = input;
 
   // Extract content from the original comment body
@@ -179,14 +177,7 @@ export function updateCommentBody(input: CommentUpdateInput): string {
   }
 
   // Build the new body with blank line between header and separator
-  let newBody = `${header}${links}`;
+  let newBody = `${header}${links}\n\n---\n`;
-
-  // Add error details if available
-  if (actionFailed && errorDetails) {
-    newBody += `\n\n\`\`\`\n${errorDetails}\n\`\`\``;
-  }
-
-  newBody += `\n\n---\n`;
 
   // Clean up the body content
   // Remove any existing View job run, branch links from the bottom

test/comment-logic.test.ts

@@ -39,25 +39,6 @@ describe("updateCommentBody", () => {
       expect(result).toContain("**Claude encountered an error after 45s**");
     });
 
-    it("includes error details when provided", () => {
-      const input = {
-        ...baseInput,
-        currentBody: "Claude Code is working...",
-        actionFailed: true,
-        executionDetails: { duration_ms: 45000 },
-        errorDetails: "Failed to fetch issue data",
-      };
-
-      const result = updateCommentBody(input);
-      expect(result).toContain("**Claude encountered an error after 45s**");
-      expect(result).toContain("[View job]");
-      expect(result).toContain("```\nFailed to fetch issue data\n```");
-      // Ensure error details come after the header/links
-      const errorIndex = result.indexOf("```");
-      const headerIndex = result.indexOf("**Claude encountered an error");
-      expect(errorIndex).toBeGreaterThan(headerIndex);
-    });
-
     it("handles username extraction from content when not provided", () => {
       const input = {
         ...baseInput,

test/create-prompt.test.ts

@@ -722,51 +722,4 @@ describe("buildDisallowedToolsString", () => {
     expect(parts).toContain("BadTool1");
     expect(parts).toContain("BadTool2");
   });
-
-  test("should remove hardcoded disallowed tools if they are in allowed tools", () => {
-    const customDisallowedTools = "BadTool1,BadTool2";
-    const allowedTools = "WebSearch,SomeOtherTool";
-    const result = buildDisallowedToolsString(
-      customDisallowedTools,
-      allowedTools,
-    );
-
-    // WebSearch should be removed from disallowed since it's in allowed
-    expect(result).not.toContain("WebSearch");
-
-    // WebFetch should still be disallowed since it's not in allowed
-    expect(result).toContain("WebFetch");
-
-    // Custom disallowed tools should still be present
-    expect(result).toContain("BadTool1");
-    expect(result).toContain("BadTool2");
-  });
-
-  test("should remove all hardcoded disallowed tools if they are all in allowed tools", () => {
-    const allowedTools = "WebSearch,WebFetch,SomeOtherTool";
-    const result = buildDisallowedToolsString(undefined, allowedTools);
-
-    // Both hardcoded disallowed tools should be removed
-    expect(result).not.toContain("WebSearch");
-    expect(result).not.toContain("WebFetch");
-
-    // Result should be empty since no custom disallowed tools provided
-    expect(result).toBe("");
-  });
-
-  test("should handle custom disallowed tools when all hardcoded tools are overridden", () => {
-    const customDisallowedTools = "BadTool1,BadTool2";
-    const allowedTools = "WebSearch,WebFetch";
-    const result = buildDisallowedToolsString(
-      customDisallowedTools,
-      allowedTools,
-    );
-
-    // Hardcoded tools should be removed
-    expect(result).not.toContain("WebSearch");
-    expect(result).not.toContain("WebFetch");
-
-    // Only custom disallowed tools should remain
-    expect(result).toBe("BadTool1,BadTool2");
-  });
 });