Update Claude Code to 2.1.29 and MCP Gateway to v0.0.88

[Copilot]

Two CLI tools required version bumps: Claude Code (2.1.27 → 2.1.29) and MCP Gateway (v0.0.86 → v0.0.88). Both are minor patch releases with bug fixes and quality improvements.

Changes

• Updated version constants in pkg/constants/constants.go
• Updated test expectations in pkg/constants/constants_test.go
• Recompiled 148 workflow lock files with new versions

Impact
All Claude-engine workflows will now use Claude Code 2.1.29. All workflows using MCP Gateway will use v0.0.88 with improved debugging capabilities.

-const DefaultClaudeCodeVersion Version = "2.1.27"
+const DefaultClaudeCodeVersion Version = "2.1.29"

-const DefaultMCPGatewayVersion Version = "v0.0.86"
+const DefaultMCPGatewayVersion Version = "v0.0.88"

Original prompt

---

This section details on the original issue you should resolve

<issue_title>[ca] CLI Version Updates: Claude Code 2.1.29 & MCP Gateway v0.0.88</issue_title>
<issue_description>Two CLI tools have new versions available requiring updates to the gh-aw project constants.

Update Summary

Updates Applied:

• Claude Code: 2.1.27 → 2.1.29 (2 releases)
• MCP Gateway: v0.0.86 → v0.0.88 (2 releases)

No Updates Required:

• GitHub Copilot CLI: 0.0.400 (current)
• OpenAI Codex: 0.93.0 (current)
• GitHub MCP Server: v0.30.2 (current)
• Playwright MCP: 0.0.62 (current)
• Playwright Browser: v1.58.1 (current)
• Sandbox Runtime: 0.0.32 (current)

Status: Constants updated in pkg/constants/constants.go, but workflow recompilation blocked by network restrictions.

---

Claude Code

Version Timeline:

• 2.1.28 - Published 2026-01-31 at 18:42 UTC
• 2.1.29 - Published 2026-01-31 at 20:13 UTC

Update Frequency: 2 releases within ~2 hours (minor patch releases)

Package Information:

• NPM Package: https://www.npmjs.com/package/`@anthropic-ai/claude-code`
• Description: "Use Claude, Anthropic's AI assistant, right from your terminal. Claude can understand your codebase, edit files, run terminal commands, and handle entire workflows for you."

Changes Analysis:
Since Claude Code has no public GitHub repository, detailed changelogs are not available. Based on the rapid release cadence (2 versions in 2 hours), these appear to be minor patch releases likely addressing:

• Bug fixes
• Performance improvements
• Minor stability enhancements

CLI Discovery:
Unable to install and test CLI help output due to network restrictions in sandboxed environment. Previous help output comparison between versions shows minimal changes to CLI interface.

Impact Assessment:

• Risk Level: Low
• Breaking Changes: None expected (patch releases)
• Affects: Claude Code CLI invocations in workflows
• Testing Required: Integration test to verify Claude Code functionality remains stable

Recommendations:

• Update Priority: Medium (keep up-to-date with latest patches)
• Rollout: Safe to deploy immediately after workflow recompilation
• Testing: Run integration tests to verify Claude agent functionality

---

MCP Gateway (gh-aw-mcpg)

Version Timeline:

• v0.0.87 - Published 2026-02-01 at 18:34 UTC
• v0.0.88 - Published 2026-02-01 at 18:42 UTC

Update Frequency: 2 releases within 8 minutes (rapid patch deployment)

Repository Information:

• Repository: https://github.com/githubnext/gh-aw-mcpg
• Release Notes: https://github.com/githubnext/gh-aw-mcpg/releases
• Docker Image: ghcr.io/githubnext/gh-aw-mcpg

View v0.0.88 Release Details

Release Name: Improved Code Quality and Observability

Published: 2026-02-01T18:42:58Z

Focus: Internal quality improvements and observability enhancements

Key Improvements:

• Expanded test coverage across critical components
• Enhanced debug logging for better troubleshooting
• Code maintainability improvements
• 24 merged PRs focused on internal quality

Nature: Internal quality release with no user-facing feature changes

View v0.0.87 Release Details

Release Name: Improved Code Quality and Observability

Published: 2026-02-01T18:34:34Z

Focus: Same improvements as v0.0.88

Key Improvements:

• Debug logging additions
• Test suite expansion
• Code maintainability enhancements

Note: This release appears to be identical to v0.0.88, likely representing an intermediate release during deployment.

Context: Previous Release (v0.0.86)

Published: 2026-01-31T01:09:59Z

Major Performance Win: 95% improvement in startup time

• Serena startup reduced from ~43 seconds to ~2 seconds
• Achieved by pre-warming LSP caches during Docker image construction
• Tool naming corrections and agent prompt fixes included

This context is important because v0.0.87 and v0.0.88 build on these performance gains with additional quality improvements.

Changes Categorization:

• Breaking Changes: None
• New Features: None (internal improvements only)
• Bug Fixes: Not explicitly listed (quality improvements)
• Performance: Builds on previous 95% startup improvement
• Testing/Quality: Expanded test coverage, enhanced debugging

Impact Assessment:

• Risk Level: Low
• Breaking Changes: None
• Affects: MCP Gateway container runtime behavior, debugging capabilities
• Testing Required: Verify MCP Gateway startup and operation remains stable

Recommendations:

• Update Priority: Low-Medium (quality improvements, no critical fixes)
• Rollout: Safe to deploy after workflow recompilation
• Testing: Basic smoke test to verify gateway functionality
• Benefits: Improved debugging capabilities for...

• Fixes [ca] CLI Version Updates: Claude Code 2.1.29 & MCP Gateway v0.0.88 #13159

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Changeset

• Type: patch
• Description: Adjusts the constants tests to match the updated CLI version expectations.

Ahoy! This treasure was crafted by 🏴‍☠️ Changeset Generator

[github-actions]

✨ The prophecy is fulfilled... Smoke Codex has completed its mystical journey. The stars align. 🌟

[github-actions]

🎉 Yo ho ho! Changeset Generator found the treasure and completed successfully! ⚓💰

[github-actions]

📰 BREAKING: Smoke Copilot is now investigating this pull request. Sources say the story is developing...

[github-actions]

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

[github-actions]

Agent Container Tool Check

Tool	Status	Version
bash	✅	5.2.21
sh	✅	available
git	✅	2.52.0
jq	✅	1.7
yq	✅	4.50.1
curl	✅	8.x
gh	✅	2.86.0
node	✅	24.13.0
python3	✅	3.13.11
go	✅	1.24.12
java	❌	not found
dotnet	❌	not found

Result: 10/12 tools available ⚠️

Missing Tools:

• java - Java runtime not installed
• dotnet - .NET runtime not installed

Status: PARTIAL - Core development tools (bash, git, node, python, go) are available. Java and .NET runtimes are missing.

AI generated by Agent Container Smoke Test

[github-actions]

Tests: ✅ MCP merged PRs; ✅ safeinputs-gh PR list; ✅ Serena activate; ✅ Playwright title; ✅ Tavily search; ✅ file write; ✅ bash cat; ✅ discussion+comment; ✅ build
PR titles: Update Claude Code to 2.1.29 and MCP Gateway to v0.0.88 | [WIP] Remove non-existent tools from GitHub MCP toolsets mapping
Overall: PASS

AI generated by Smoke Codex

[github-actions]

Smoke test results:

• Add Go module caching and retry logic to prevent proxy 403 failures #13155: Add Go module caching and retry logic
• Fix expression errors for custom engine workflows missing validate-secret step #13157: Fix expression errors for custom engine workflows

✅ GitHub MCP
✅ Safe Inputs GH CLI
✅ Serena MCP
✅ Playwright
✅ File Writing
✅ Bash Tool
✅ Discussion Interaction
✅ Build gh-aw
❌ Workflow Dispatch (haiku-printer not found)

Overall: PASS (8/9)

cc @pelikhan @Copilot

AI generated by Smoke Copilot

[github-actions]

📰 VERDICT: Smoke Copilot has concluded. All systems operational. This is a developing story. 🎤

[github-actions]

Smoke Test Results

PR #13170: Update Claude Code to 2.1.29 and MCP Gateway to v0.0.88
PR #13169: [WIP] Remove non-existent tools from GitHub MCP toolsets mapping

Test	Result
GitHub MCP	✅
Safe Inputs GH CLI	✅
Serena MCP	✅
Make Build	✅
Playwright	✅
Tavily Web Search	✅
File Writing	✅
Bash Tool	✅
Discussion Interaction	✅

Overall Status: ✅ PASS

AI generated by Smoke Claude