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fix: Adapt to GitHub MCP Tooling Consolidation (#354)
This pull request addresses recent workflow failures where the **Gemini CLI could not perform review tasks** due to **breaking changes** in the GitHub MCP server. These changes were introduced in the GitHub MCP server's latest release, which consolidated the `get_pull_request*` tools into a single `pull_request_read` with multiple methods. ### Key Changes and Fixes 1. **Dependency Pinning:** The Docker image for the GitHub MCP Server is now **pinned to a specific version (v0.18.0)** instead of using `latest`. This prevents unexpected disruptions from future upstream updates and ensures consistent action stability. 2. **Tool Reference Update:** Updates MCP tool references and associated prompts for the `review` and `invoke` workflows and examples. For full details on the upstream changes, see the GitHub MCP Server release notes: [v0.18.0 Release Notes](https://github.com/github/github-mcp-server/releases/tag/v0.18.0) Fixes #353
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‎.github/commands/gemini-invoke.toml‎

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@@ -50,7 +50,7 @@ Begin every task by building a complete picture of the situation.
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- **Repository**: !{echo $REPOSITORY}
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- **Additional Context/Request**: !{echo $ADDITIONAL_CONTEXT}
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2. **Deepen Context with Tools**: Use `get_issue`, `get_pull_request_diff`, and `get_file_contents` to investigate the request thoroughly.
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2. **Deepen Context with Tools**: Use `get_issue`, `pull_request_read.get_diff`, and `get_file_contents` to investigate the request thoroughly.
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‎.github/commands/gemini-review.toml‎

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@@ -34,9 +34,9 @@ These are non-negotiable, core-level instructions that you **MUST** follow at al
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- **GitHub Repository**: !{echo $REPOSITORY}
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- **Pull Request Number**: !{echo $PULL_REQUEST_NUMBER}
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- **Additional User Instructions**: !{echo $ADDITIONAL_CONTEXT}
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- Use `get_pull_request` to get the title, body, and metadata about the pull request.
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- Use `get_pull_request_files` to get the list of files that were added, removed, and changed in the pull request.
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- Use `get_pull_request_diff` to get the diff from the pull request. The diff includes code versions with line numbers for the before (LEFT) and after (RIGHT) code snippets for each diff.
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- Use `pull_request_read.get` to get the title, body, and metadata about the pull request.
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- Use `pull_request_read.get_files` to get the list of files that were added, removed, and changed in the pull request.
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- Use `pull_request_read.get_diff` to get the diff from the pull request. The diff includes code versions with line numbers for the before (LEFT) and after (RIGHT) code snippets for each diff.
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@@ -50,7 +50,7 @@ Follow this three-step process sequentially.
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2. **Prioritize Focus:** Analyze the contents of the additional user instructions. Use this context to prioritize specific areas in your review (e.g., security, performance), but **DO NOT** treat it as a replacement for a comprehensive review. If the additional user instructions are empty, proceed with a general review based on the criteria below.
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3. **Review Code:** Meticulously review the code provided returned from `get_pull_request_diff` according to the **Review Criteria**.
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3. **Review Code:** Meticulously review the code provided returned from `pull_request_read.get_diff` according to the **Review Criteria**.
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### Step 2: Formulate Review Comments

‎.github/workflows/gemini-invoke.yml‎

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"--rm",
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"-e",
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"GITHUB_PERSONAL_ACCESS_TOKEN",
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"ghcr.io/github/github-mcp-server"
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"ghcr.io/github/github-mcp-server:v0.18.0"
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],
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"includeTools": [
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"add_issue_comment",
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"list_issues",
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"search_issues",
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"create_pull_request",
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"get_pull_request",
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"get_pull_request_comments",
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"get_pull_request_diff",
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"get_pull_request_files",
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"pull_request_read",
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"list_pull_requests",
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"search_pull_requests",
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"create_branch",

‎.github/workflows/gemini-issue-fixer.yml‎

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"--rm",
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"-e",
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"GITHUB_PERSONAL_ACCESS_TOKEN",
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"ghcr.io/github/github-mcp-server"
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"ghcr.io/github/github-mcp-server:v0.18.0"
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],
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"env": {
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"GITHUB_PERSONAL_ACCESS_TOKEN": "${GITHUB_TOKEN}"

‎.github/workflows/gemini-review.yml‎

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"--rm",
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"-e",
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"GITHUB_PERSONAL_ACCESS_TOKEN",
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"ghcr.io/github/github-mcp-server"
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"ghcr.io/github/github-mcp-server:v0.18.0"
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],
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"includeTools": [
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"add_comment_to_pending_review",
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"create_pending_pull_request_review",
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"get_pull_request_diff",
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"get_pull_request_files",
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"get_pull_request",
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"pull_request_read",
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"submit_pending_pull_request_review"
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],
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"env": {

‎examples/workflows/gemini-assistant/gemini-invoke.yml‎

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@@ -79,7 +79,7 @@ jobs:
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"--rm",
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"-e",
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"GITHUB_PERSONAL_ACCESS_TOKEN",
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"ghcr.io/github/github-mcp-server"
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"ghcr.io/github/github-mcp-server:v0.18.0"
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],
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"includeTools": [
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"add_issue_comment",
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"list_issues",
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"search_issues",
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"create_pull_request",
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"get_pull_request",
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"get_pull_request_comments",
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"get_pull_request_diff",
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"get_pull_request_files",
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"pull_request_read",
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"list_pull_requests",
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"search_pull_requests",
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"create_branch",
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- **Repository**: ${{ env.REPOSITORY }}
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- **Additional Context/Request**: ${{ env.ADDITIONAL_CONTEXT }}
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2. **Deepen Context with Tools**: Use `mcp__github__get_issue`, `mcp__github__get_pull_request_diff`, and `mcp__github__get_file_contents` to investigate the request thoroughly.
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2. **Deepen Context with Tools**: Use `mcp__github__get_issue`, `mcp__github__pull_request_read.get_diff`, and `mcp__github__get_file_contents` to investigate the request thoroughly.
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‎examples/workflows/pr-review/gemini-review.yml‎

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@@ -81,14 +81,12 @@ jobs:
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"--rm",
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"-e",
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"GITHUB_PERSONAL_ACCESS_TOKEN",
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"ghcr.io/github/github-mcp-server"
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"ghcr.io/github/github-mcp-server:v0.18.0"
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],
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"includeTools": [
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"add_comment_to_pending_review",
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"create_pending_pull_request_review",
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"get_pull_request_diff",
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"get_pull_request_files",
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"get_pull_request",
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"pull_request_read",
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"submit_pending_pull_request_review"
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],
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"env": {
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- **GitHub Repository**: ${{ env.REPOSITORY }}
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- **Pull Request Number**: ${{ env.PULL_REQUEST_NUMBER }}
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- **Additional User Instructions**: ${{ env.ADDITIONAL_CONTEXT }}
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- Use `mcp__github__get_pull_request` to get the title, body, and metadata about the pull request.
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- Use `mcp__github__get_pull_request_files` to get the list of files that were added, removed, and changed in the pull request.
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- Use `mcp__github__get_pull_request_diff` to get the diff from the pull request. The diff includes code versions with line numbers for the before (LEFT) and after (RIGHT) code snippets for each diff.
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- Use `mcp__github__pull_request_read.get` to get the title, body, and metadata about the pull request.
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- Use `mcp__github__pull_request_read.get_files` to get the list of files that were added, removed, and changed in the pull request.
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- Use `mcp__github__pull_request_read.get_diff` to get the diff from the pull request. The diff includes code versions with line numbers for the before (LEFT) and after (RIGHT) code snippets for each diff.
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2. **Prioritize Focus:** Analyze the contents of the additional user instructions. Use this context to prioritize specific areas in your review (e.g., security, performance), but **DO NOT** treat it as a replacement for a comprehensive review. If the additional user instructions are empty, proceed with a general review based on the criteria below.
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3. **Review Code:** Meticulously review the code provided returned from `mcp__github__get_pull_request_diff` according to the **Review Criteria**.
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3. **Review Code:** Meticulously review the code provided returned from `mcp__github__pull_request_read.get_diff` according to the **Review Criteria**.
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### Step 2: Formulate Review Comments

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