docker/docker-agent v1.129.0

on GitHub

This release adds MCP protocol revision support, names the resolved shell in environment info, and migrates the A2A server to adka2a v2.

What's New

• Adds support for MCP protocol revision 2026-07-28, including stateless Streamable HTTP transport, updated protocol negotiation, and rejection of unsupported keep-alive combinations for HTTP and attach modes
• Names the resolved shell in the environment info block so the model has explicit shell dialect context at the start of every session

Technical Changes

• Migrates the A2A server from the deprecated adka2a compatibility shim to adka2a/v2, adapting artifact event normalization to the v2 iterator-based executor contract
• Delegates shellBaseName resolution to shellpath.ShellBaseName in the shell tools layer

What's Changed

• feat(mcp): support protocol revision 2026-07-28 by @Sayt-0 in #4044
• docs: update CHANGELOG.md for v1.128.0 by @docker-read-write[bot] in #4071
• chore(a2a): migrate from adka2a to adka2a/v2 by @Sayt-0 in #4041
• hooks/builtins: name the resolved shell in the env block by @trungutt in #4072

Full Changelog: v1.128.0...v1.129.0