Adds a third snippet alongside externalCurlTemplate / externalPythonTemplate
in workspace-server/internal/handlers/external_connection.go: the new
externalChannelTemplate guides operators through installing the Claude Code
channel plugin (Molecule-AI/molecule-mcp-claude-channel — scaffolded today)
and dropping the .env config for it.
Wires the new snippet into the external-workspace POST /workspaces response
under key `claude_code_channel_snippet`, alongside the existing
`curl_register_template` and `python_snippet`. Canvas's "external workspace
created" modal can render it as a third tab.
CONTRIBUTING.md gains a short "External integrations" section pointing at
the three peer repos (workspace-runtime, sdk-python, mcp-claude-channel)
so contributors know where related runtime artifacts live and to consider
downstream impact when changing the A2A wire shape.
The plugin itself is scaffolded at commit d07363c on the new repo's main
branch; v0.1 is polling-based via the /activity?since_secs= filter shipped
in PR #2300. README + roadmap details there.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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