docs: add opt-in DeepSeek Harness CLI/MCP overlay - #109
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Treat DSH as a compatible host, not a native plugin. Ship a cordis overlay example for rb-mcp and document the shell CLI path in INSTALL.md. Co-authored-by: JingWen Fan <study8677@users.noreply.github.com>
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marked this pull request as ready for review
August 14, 2026 09:33
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Why
DeepSeek Harness can already run shell commands and load MCP servers. RepoBrain already exposes the same knowledge layer through
rb-ask/rb-refreshandrb-mcp. A third native Cordis plugin package would add a new packaging surface while DSH is still in developer preview.First-principles choice: treat DSH as a compatible host (same class as Cursor / Windsurf), not a native plugin (Claude / Codex).
What
openspec/changes/add-dsh-host-integration/docs/examples/repobrain.dsh.cordis.yml(@deepseek-ai/dsh-mcp-client→rb-mcp --workspace)INSTALL.mdsection covering CLI-via-shell and--patchoverlaycheck_repo_contract.pylock the overlay contractNon-goals
dsh.bundlepackageadd-dsh-native-plugin) until the host API is stableVerify
Both passed locally.