[teamleaderleo]

The cmux MCP server now exposes agent_dispatch, agent_steer, agent_briefs_list, and agent_report. Each tool routes through acpmux's structured dispatch RPC and carries brief ids, target host/session, stop condition, status, and sender metadata. Calls accept arbitrary registered harness names, including Qwen, OpenCode, and Pi, and never require scp, ssh, a remote path, or shell parsing.

Changelog

Added: harness-agnostic agent dispatch, steer, brief-list, and report MCP tools.

Validation

• pr-overlap before edits: no overlap.
• Rustfmt on changed files, git diff --check, and scripts/cmux-next/prepush-gate.py pass.
• Focused MCP tests include a Qwen dispatch fixture and steer/list/report routing.
• Full cargo checks are routed to the fleet; none ran on overloaded huge-blue.

Load and per-host capacity remain warn-only in the tool descriptions and acpmux contract; no launch is refused for load.

agent-identity footer

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Summary by cubic

The MCP server now exposes agent_dispatch, agent_steer, agent_briefs_list, and agent_report, making agent dispatch available without shell-based handoffs.

• Dispatch supports registered harnesses, target and host selection, stop conditions, and idempotency keys; harness and model are combined into the launcher selector.
• Steer and report use persisted brief IDs; brief listing supports status and limit filters.
• Fleet placement rules still apply, but load and per-host capacity remain warnings and do not block launches.
• Where no acpmux daemon is reachable the tools fail as unavailable; timed-out mutations are marked in progress and retryable with the same idempotency key.

^{Written for commit 9b5837c. Summary will update on new commits.}

[github-actions]

cmux status _{(one comment, edited in place; each line is updated by the job that owns it)}

Review 58c65de: HQ feed card · gallery before/after runs · checks

App of this head (app.zip, kept 1 day)

gh workflow run reload-build.yml -R manaflow-ai/cmux --ref feat-cmux-next -f tag=pr24607 -f ref=agent-dispatch-mcp -f platform=macos -f backend_mode=local

red: cmux-next checks (god files, concurrency, crash safety, l10n); NEW: red check: Companion workflows (+5 more) is not red on the base 8f8ffbc; do not merge until green; see lane-rules
red: cmux-next crash ratchet; NEW: green on the base 8f8ffbc; do not merge until green; see lane-rules

[teamleaderleo]

Bead cx-j449k created for this PR by the cmux coordinator.

[blacksmith-sh]

Found 14 test failures on Blacksmith runners:

Failures

Test	View Logs
/tmp/tmphb3xbqqn/summary-fail.json (live):/summary-fail.json (live):	View Logs
/tmp/tmpsstl2zus/summary-missing.json (live):/summary-missing.json (live):	View Logs
[tabs] debug.tab_switch timed 0 of 40 switches/ [tabs] debug.tab_switch timed 0 of 40 switches	View Logs
[tabs] debug.tab_switch timed 0 of 40 switches/ [tabs] debug.tab_switch timed 0 of 40 switches	View Logs
[tabs] the window draws no frames/[tabs] the window draws no frames	View Logs
[tabs] the window draws no frames/[tabs] the window draws no frames	View Logs
convention violations found (ERROR lines above)./ convention violations found (ERROR lines above).	View Logs
test_a_pull_request_that_changes_the_shortcut_inputs_still_rewrites_them (main.Sett ingsOnlyArtifactLeavesTheActionFollowers.test_a_pull_request_that_changes_the_shortcut_ inputs_still_rewrites_them) (job='repair')/ test_a_pull_request_that_changes_the_shortcut_inputs_still_rewrites_them (main.Sett ingsOnlyArtifactLeavesTheActionFollowers.test_a_pull_request_that_changes_the_shortcut_ inputs_still_rewrites_them) (job='repair')	View Logs
test_base_passes (main.NoticesPairTests.test_base_passes)/ test_base_passes (main.NoticesPairTests.test_base_passes)	View Logs
test_every_routed_input_triggers_the_workflow (main.PullRequestTiers.test_every_rou ted_input_triggers_the_workflow) (path='.git/config')	View Logs

...and 4 more test failures. View all on Blacksmith: run 40047540034, run 40047540075

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[cursor]

Bugbot needs on-demand usage enabled

Bugbot uses usage-based billing for this team and requires on-demand usage to be enabled.

A team admin can enable on-demand usage in the Cursor dashboard.

[github-actions]

Shipped in:

• cmux NEXT nightly 1.0.0-nightly.4005909948001 (66747a14cb)
• cmux NEXT nightly 1.0.0-nightly.4005999011801 (09af538c30)