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Update CLI versions: Claude Code 2.1.5 and MCP Gateway v0.0.39#9682
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Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>
Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>
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[WIP] Update CLI tools to Claude Code 2.1.5 and MCP Gateway v0.0.39
Update CLI versions: Claude Code 2.1.5 and MCP Gateway v0.0.39
Jan 12, 2026
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🎉 Yo ho ho! Changeset Generator found the treasure and completed successfully! ⚓💰 |
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🎬 THE END — Smoke Claude MISSION: ACCOMPLISHED! The hero saves the day! ✨ |
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✨ The prophecy is fulfilled... Smoke Codex has completed its mystical journey. The stars align. 🌟 |
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Updates two CLI tool versions based on automated version check: Claude Code 2.1.4→2.1.5 (patch release) and MCP Gateway v0.0.26→v0.0.39 (13 releases with HTTP backend support, authentication, and session header fixes).
Changes
DefaultClaudeCodeVersionandDefaultMCPGatewayVersioninpkg/constants/constants.gopkg/constants/constants_test.go.lock.ymlfiles to propagate new versionsClaude Code 2.1.5
Patch release with minor improvements. No CLI behavior changes.
MCP Gateway v0.0.39
Major enhancements across 13 releases:
Mcp-Session-Idheader inclusion for strict HTTP servershost.docker.internalin containerized environmentsAll changes are backward-compatible. No migration required.
Original prompt
This section details on the original issue you should resolve
<issue_title>[ca] CLI Version Updates: Claude Code 2.1.5 and MCP Gateway v0.0.39</issue_title>
<issue_description>## Version Check Summary
Date: 2026-01-12
Previous Check: 2026-01-06 (6 days ago)
Updates Applied
Two CLI tools have been updated:
No Updates Needed
The following tools are already at the latest version:
Update #1: Claude Code
Version: 2.1.4 → 2.1.5
Release Date: January 11, 2026
Timeline: 1 day since 2.1.4
Changes
Breaking Changes
None
New Features
Bug Fixes
Security
None reported
CLI Discovery
No changes detected - CLI help output is identical between 2.1.4 and 2.1.5
Impact Assessment
Package Links
Update #2: MCP Gateway
Version: v0.0.26 → v0.0.39
Release Timeline: 13 releases between 2026-01-11 18:10:33Z and 2026-01-12 03:07:26Z (less than 9 hours)
Frequency: Rapid iteration with multiple releases per hour
Intermediate Versions
Between v0.0.26 and v0.0.39, the following versions were released:
Changes by Category
Breaking Changes
None
New Features
HTTP MCP Server Support (v0.0.30):
Authentication (v0.0.36):
/healthendpoint with JSON protocol versionContainer Networking (v0.0.33):
host.docker.internalDNS resolution in containerized environmentsSession Headers (v0.0.39, v0.0.38):
Mcp-Session-Idheader during HTTP backend initializationLogging & Debugging Improvements
Privacy-Preserving Logging (v0.0.26, v0.0.35):
Message Formatting (v0.0.28, v0.0.29, v0.0.31):
Bug Fixes
Critical Compatibility (v0.0.39):
Container Compatibility (v0.0.35):
Performance
No specific performance improvements noted
Security
Release Highlights
v0.0.39 (Latest)
Published: 2026-01-12T03:07:26Z
Key Change: Gateway now includes
Mcp-Session-Idheader during HTTP backend initialization, enabling seamless communication with strict HTTP MCP servers.v0.0.30 (Major Feature)
Published: 2026-01-11T20:09:38Z
Enables integration with pre-launched backend services and remote MCP servers - a significant architectural enhancement.
v0.0.36 (Authentication)
Published: 2026-01-12T01:16:18Z
Implements spec-compliant API key authentication and enhanced
/healthendpoint returning JSON with protocol version information.v0.0.26 (Previous Version)
Published: 2026-01-11T18:10:33Z
Privacy-preserving payload preview and session lifecycle tracking.
Impact Assessment
Package Links
💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.