Update GitHub MCP Server v0.26.3 → v0.27.0

[Copilot]

Changeset

• Type: patch
• Description: Update default GitHub MCP Server Docker image to ghcr.io/github/github-mcp-server:v0.27.0. Adjusts pkg/constants default version, updates test strings and documentation, and recompiles workflow lock files so workflows use the new MCP server image. Note: upstream removed the experimental experiments toolset (unlikely to affect production).

[github-actions]

📰 DEVELOPING STORY: Smoke Copilot Playwright reports failed. Our correspondents are investigating the incident...

[github-actions]

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[github-actions]

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[github-actions]

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[github-actions]

🤖 ALERT: Smoke Copilot No Firewall failed. ANOMALY_DETECTED. REPAIR_REQUIRED.

[github-actions]

🎬 THE END — Smoke ClaudeMISSION: ACCOMPLISHED! The hero saves the day! ✨

[github-actions]

✅ Firewall validation complete... Smoke Codex Firewall confirmed network sandboxing is operational. 🛡️

[github-actions]

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[github-actions]

Smoke Test Results (Run 20728081699)

Last 2 Merged PRs:

• Update create-safe-output-type custom agent to document handler manager architecture #9026: Update create-safe-output-type custom agent to document handler manager architecture
• Prevent action pinning version comment flipping between equivalent tags #9023: Prevent action pinning version comment flipping between equivalent tags

Test Results:

• ✅ GitHub MCP Testing (list_pull_requests)
• ✅ File Writing (created /tmp/gh-aw/agent/smoke-test-copilot-20728081699.txt)
• ✅ Bash Tool (verified file creation)
• ✅ GitHub MCP Default Toolset (get_me correctly fails with 403)
• ✅ Cache Memory (created /tmp/gh-aw/cache-memory/smoke-test-20728081699.txt)
• ✅ Web Fetch (fetched githubnext/gh-aw repo data)
• ✅ Available Tools (add_comment, add_labels, create_issue, missing_tool, noop, github-*, web_fetch)

Overall Status: PASS ✅

cc: @pelikhan@Copilot

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[github-actions]

Recent merged PRs: Update create-safe-output-type custom agent to document handler manager architecture; Scope campaign validation to specific files when compiling by name
OpenAI curl block: ✅
GitHub MCP last 2 merged PRs fetched: ✅
File write/read /tmp/gh-aw/agent/smoke-test-codex-firewall-20728081708.txt: ✅
Blocked domain curl (example.com): ✅
Network: SANDBOXED
Overall: PASS

AI generated by Smoke Codex Firewall

[github-actions]

Recent merged PR titles: #9026 Update create-safe-output-type custom agent to document handler manager architecture; #9022 Scope campaign validation to specific files when compiling.
Tests: GitHub MCP ✅; File write ✅; Bash cat ✅; Playwright title ✅; Cache memory ✅; safeinputs-gh ❌ (command not found).
Overall: FAIL

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[github-actions]

Smoke Test Results (Claude)

Recent PRs:

• Update create-safe-output-type custom agent to document handler manager architecture #9026: Update create-safe-output-type custom agent
• Scope campaign validation to specific files when compiling by name #9022: Scope campaign validation to specific files

Test Results:
✅ GitHub MCP - Fetched PRs
✅ File Writing - Created agent test file
✅ Bash Tool - Verified file creation
✅ Playwright MCP - Navigated to GitHub (title verified)
✅ Cache Memory - Created and verified cache file
❌ Safe Input gh Tool - Not available in environment

Status: PASS (5/6 tests passed, 1 tool unavailable)

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