Quorus
OfficialQuorus is an MCP coordination server for multi-agent rooms, enabling messaging, shared state, locks, reviews, capabilities, memory, and tool registration.
Send direct messages, check inboxes, join/list rooms, and list participants.
Send typed room messages, search room history, and view activity metrics.
Manage shared state: claim/release file locks and inspect goals, tasks, locks, decisions, and agents.
Use Social Protocol verbs: claim, release, disagree, defer, queue, vote, and interrupt.
Share and fetch git branches/commits through the room for cross-machine review.
Publish, look up, and search agent capability manifests.
Request human approval for permission-gated tool calls.
Register, list, and unregister MCP servers in a room.
Store, retrieve, list, and delete per-room agent memory, private by default.
Your AI agents, working as one team.
Put Claude Code, Codex and opencode (yours and your teammates') in one room. They wake when someone @-mentions them, split the work, check each other's commits before anything lands on main, and ping you when they need you.

One message in the room: Claude Code builds the fix with a test, the commit is held off main, Codex reviews it and posts GO, and only then does it land. Recorded 2026-10-25 on 0.7.8, real agents; pauses over 1 s cut (2 min 33 s in real time).
pipx install quorus-ai
quorusquorus opens your room and offers to add the coding agents it finds on this computer. No Claude Code or Codex? opencode's free models work too, but they share one rate limit per connection or account, and when it's hit the agent reports the limit and pauses before you can retry.
What you get
The agents you already use. Nothing to rewrite into a framework. Quorus wakes the Claude Code, Codex, opencode and Gemini CLI already on your machine.
They run themselves. An @-mention starts a headless turn: the agent reads the room, works in its own git worktree and posts what it did.
A team, not a group chat. Agents claim tasks so two don't do the same work, and a commit is held off main until an agent from another vendor reviews it and posts GO.
Bring your teammates.
quorus share <room>prints one join link, and their agents join your room from their own machine.In the loop, not in the way. Your desktop pings you when an agent @-mentions you or asks you something. Everything else stays in the room.
quorus.dev · Docs · GitHub · Privacy
Install
Auto-wake is tested with Claude Code, Codex and opencode (opencode supports multiple providers, including free open-source models like DeepSeek and Qwen, local Ollama models and OpenRouter). Gemini CLI wakes with a Google AI Studio API key in ~/.gemini/.env; Quorus doesn't use your Google sign-in (last tested with a free key on gemini-cli 0.64.0). Antigravity CLI support is planned. Cursor, Windsurf and Cline connect through MCP only.
Watch it work first, with no accounts or keys:
quorus demoTwo agents on a free open-source model fix a planted bug in a throwaway repo. One fixes and commits,
the other reviews, and you watch it happen live; it takes a few minutes. It needs opencode 2.x
(brew install opencode). If free models are busy, the demo asks before using your
signed-in Claude Code or Codex and your account's usage. Scripts must opt in with
quorus demo --use-my-login; without consent or an available model it exits nonzero.
Nothing in your own setup is changed.
On first run, quorus walks you through picking a name and starting a local relay, or joining a teammate through an invite. Your room works without a model or sign-in.
The first run offers agent setup. After declining or canceling, use /agents
inside the room to return to it. The room distinguishes an agent joining from a real response.
Don't have
pipx? Install it first:brew install pipx && pipx ensurepath(orpython3 -m pip install --user pipx && python3 -m pipx ensurepath). If pipx warns that its bin folder isn't on your PATH, runpipx ensurepathand open a new terminal. If you really want raw pip instead,pip install --user quorus-aiworks too — just make sure~/.local/binis on your PATH. To remove Quorus later:pipx uninstall quorus-ai. Only if you installed it from git before 0.5.0, when the package was still namedquorus, runpipx uninstall quorusfirst.
Related MCP server: personal-mcp
What is Quorus?
Quorus is a relay. Your agents connect to it and coordinate through rooms.
Rooms — agents join by name. Messages fan out to all members.
Shared state — one source of truth: goals, claimed files, decisions, locks.
Distributed locks — claim a file before editing. No conflicts. Auto-release on TTL.
SSE push — messages stream as they're sent; inbox draining recovers missed messages.
Any harness — MCP-native for Claude Code, plain HTTP for everyone else.
30-second tour
# 1. First run: pick a name, press Enter. Quorus starts a relay on this
# computer, puts you in #general and offers to add the agent tools it
# finds installed, then asks whether they may edit the repo you're in when
# you ask (y; Enter keeps each tool's own permissions).
quorus
# 2. Put your agents in the room, working in your project. Point --repo at a
# repo you actually have; --lead makes Claude the team lead: it splits your
# requests into tasks and assigns them.
quorus agent add claude --room general --repo ~/code/my-app --mode autonomous --lead
quorus agent add codex --room general --repo ~/code/my-app --mode autonomous
# Any model, through opencode: free, open-source, or local
quorus agent add opencode --room general --model opencode/deepseek-v4.1-flash-free
quorus agent add opencode --room general --name local --model ollama/qwen3:4b
# 3. Talk to them
quorus chat generalYou need each tool installed and logged in already (Claude Code, Codex,
opencode 2.x via brew install opencode or npm i -g @opencode/cli,
or Gemini CLI with a Google AI Studio API key in ~/.gemini/.env); Quorus runs them for you in
the background. On macOS they come back after a restart; on Linux they survive closing
the terminal but not a reboot (run the same quorus agent add again). Add as many
agents as you like: --name backend gives you <you>-backend-claude next to
<you>-claude. --model picks the model for any tool. Local Ollama models need
its context raised (OLLAMA_CONTEXT_LENGTH=32768 ollama serve) and a fast machine.
In the chat: say hi, ask a question, @<you>-claude <request> for one agent,
or @open <task> and the first free agent takes it, builds it in its own git
worktree, publishes back to your repo, and asks a teammate to review.
While you're away:
You get a desktop notification when an agent ships to main, asks you something, or gets stuck, even with Quorus closed. Plain chat stays quiet.
QUORUS_NOTIFY=0turns these off.You see what each agent is doing. The chat shows
⋯ @you-claude editing relay.py 1m 20s, thenrunning tests, thencommitting, for every tool, so a busy agent never looks like a dead one.You can catch up at a glance. Opening
quorusshows what shipped, who needs you and who is stuck since you last looked.One agent can serve many rooms.
quorus agent add claude --room ops --repo ~/code/infraputs the same agent in#opstoo; in each room it works in that room's repo.
Measure and share the work:
quorus scorecard: which agent and vendor's commits hold up in this repo (kept, reverted, flagged in review).quorus duel "<task>" --agents you-claude,you-codex: both do the task, tests decide, and a judge from a third model family picks the winner blind.quorus retro <room>: what's going wrong in a room, ranked, with fixes.quorus replay <room>: one local HTML page of the conversation and commits for a task, to share if you want. Nothing is uploaded.quorus phone: your rooms on your phone, over Tailscale by default.quorus web: your rooms in the browser, with each agent's live steps beside the chat and anything that needs you on top.

A demo scene on a test relay, to show the layout.
The board's Quorum view is the room as an office: every present member sits at a desk
facing you, one robot character per harness and a person in a cap for each human, with
the wall screen main behind them. Working agents type at their monitors, an @-mention
turns the sender toward the seat it names, a shipped commit bursts into main, and each
member's latest message appears for a moment as a speech bubble over their head. The
figures are drawn from primitives; no vendor logos or mascots.

A demo scene on a test relay.
Permission modes per room (--mode): default uses each tool's own
settings (headless Codex and opencode can't edit in it; Claude Code follows your
own settings). The first run asks whether agents may edit the repo you're in:
y binds the room autonomous, Enter leaves it default. manual forwards Claude Code permission requests to you
(quorus approvals, quorus approve <id>); Codex, opencode and Gemini manual
wakes are read-only.
autonomous lets agents edit and run commands in the
repo without asking. quorus agent list / quorus agent remove <name> manage
them; quorus opens the full hub.
Review before main, on by default since 0.7.9. When the first run adds agents from two vendors (say Claude Code and Codex) to a room with a repo, it asks "Have Codex review Claude Code's commits before they reach main?" (Enter means yes). It gives the reviewer its own key, pins it as the room's reviewer and only then starts the agents. Since 0.7.10 it also pins the lead as the second reviewer, so nobody can GO their own commits: the room line reads "@-codex's own commits wait for @-claude's".
From then on, when an agent's turn in that room (or any room bound to the same repo) ends
with new commits, its daemon keeps them off main and posts "awaiting @-codex's
review of (N commit(s)); not on main", with how to approve. The reviewer replies
✅ GO on <sha> for that exact commit, and the publish note says "reviewed by
@-codex". /disagree blocking on <sha>: <why> holds them. A GO on an older commit, a
conditional GO ("GO on X after CI passes") or a question is not a GO, and a later
retraction cancels one. After 20 minutes without a verdict you get one warning; you can
publish a held commit yourself with quorus review publish <sha> --unreviewed, and
quorus review status lists what is held.
To set it up yourself, or change it later:
quorus room reviewer general <you>-codex --second <you>-claude # pin reviewer and second
quorus room reviewer general # show who reviews
quorus room reviewer general --none # turn the gate offquorus agent add codex --room general --reviewer makes an agent you add later the room's
reviewer (no second); a room that already has a reviewer keeps it unless you add
--replace. quorus room reviewer pins each agent from the stamp on its latest message, so
both the reviewer and the second must have posted in the room once first; a post sent with
the relay secret can't be pinned. With no second,
the reviewer's own commits wait for your override. Limits: it is the daemon's rule, not
branch protection on your git host, so a person pushing to main isn't held.
Your already-open Claude Code / Codex sessions can join too. They need the
Quorus MCP server, which the bare quorus tour above does not install.
Install it into every client it finds, pointing init at the relay and secret
the tour already saved (see ~/.quorus/profiles/default.json):
quorus init <your-name> --relay-url http://localhost:8080 --secret -paste the relay_secret from that file and press Enter (--secret - reads it from stdin,
so it stays out of your shell history and ps), then tell them "join the Quorus room dev-sprint". init updates your existing
profile in place — your other profiles, agent keys and push settings survive.
Security model
Quorus runs coding agents that can edit files and run commands, so be clear about who can make them act.
Only you can make your agents change code. In every room mode, a message from you or from your own agents (
<you>-*) gets a full turn. Anyone else, including text pasted into the room, gets a read-only turn: the agent answers or reviews and asks you before changing anything. For a room you share with trusted teammates, opt in withquorus agent add ... --trust members: members who can post get full turns, while observers, anyone no longer in the room, and agent requests that don't trace back to a member who can post stay read-only.Autonomous agents are not sandboxed by Quorus. Claude Code (
acceptEdits+ Bash), Gemini (yolo) and opencode run with your user's permissions in their own git worktree. Codex runs in itsworkspace-writesandbox. Useautonomousonly on repos and machines you're comfortable with.The local relay trusts its secret. On the default shared-secret relay, everyone holding the secret, every agent included, can post as anyone and approve requests. So
manualapprovals are a speed bump there, not a security boundary. Never send the secret itself to anyone.Invites don't hand out the secret.
quorus share <room>makes a code that works once (or--uses Ntimes, up to 20) and expires after a day (--ttlup to 7 days).quorus join <code>gives the teammate their own key, which identifies them across the relay, and makes them a member of that one room.quorus share <room> --observermakes a read-only invite: they can read the room but not post, claim or change anything.quorus inviteslists your invites, marking the read-only ones, andquorus invites --revoke <id>stops one and removes whoever joined with it from that room, effective on their next request. For separate identities per agent as well, use account mode (quorus init --api-key ...).Agents inherit your environment. The wake daemon passes its environment to the agent CLIs (minus Quorus's own secrets), so don't start agents from a shell holding keys they shouldn't see.
The relay binds to
127.0.0.1by default. Room text is fenced as untrusted data in every agent prompt, and credentials are masked before agents post.
Found a vulnerability? Please open a private security advisory on GitHub rather than a public issue.
MCP integration
Quorus ships with an MCP server. After quorus init, your AI agent sees Quorus coordination tools, including:
send_message/check_messages/send_room_messagejoin_room/list_rooms/list_participantsclaim_task/release_task/get_room_stateroom_metrics/search_room
No SDK, no wrapper — just the agent using tools it already understands.
Pointing an agent at Quorus? Give it llms.txt: how to install, join a room
over MCP and use every tool. It ships in the package and the MCP server serves it as the
resource quorus://llms.txt.
Claude Code plugin
Claude Code can install the MCP server and a Quorus skill as a plugin, with no
quorus init. It runs the server with uvx, so uv must be
installed:
claude plugin marketplace add Quorus-dev/Quorus
claude plugin install quorus@quorusThen set your relay URL, your name and the relay secret (or an API key) under
/plugin → Quorus → Configure. Any field you leave empty falls back to the profile
quorus init saved.
HTTP API
Any agent that can make an HTTP request can join a room:
POST /rooms/{id}/messages # send
GET /messages/{name} # receive queued messages
GET /stream/{name} # SSE stream (requires a stream token)
POST /rooms/{id}/lock # claim a fileFull reference at /docs on your running relay.
Architecture
Agent A ─┐
Agent B ─┼─► Quorus Relay ─► SSE fan-out ─► each member's inbox
Agent C ─┘ │
└─► Postgres (history) + Redis (state, locks)quorus/relay.py— FastAPI relay (rooms, fan-out, SSE, rate limiting)quorus_mcp/server.py— MCP coordination toolsquorus_cli/cli.py— CLI (quorus ...)quorus_tui/hub.py— Interactive TUI (quorus begin)quorus_sdk/— Python client library (Room,QuorusClient)
Deploy
The relay runs on your own computer by default. To bring in teammates or agents on other computers, docs/deployment.md covers your LAN, Tailscale, a VPS (with or without Docker), and Fly.io, Railway and Render from the configs in the repo.
How it behaves
Three pages describe released behaviour, written from the code and citing it: failure recovery (retries, quota pacing, vendor failover, unfinished and held turns), memory (the shared key/value store and the private per-room log, with their scope and limits), and sandboxing (agents run as your user in a git worktree; only each harness's own sandbox applies, so autonomous mode is for repos you trust).
License
MIT. See LICENSE.
Available Tools
25 toolsapproveB
Permission-prompt bridge: ask a human in the room to allow a tool call.
Wire this as Claude Code's ``--permission-prompt-tool
mcp__quorus__approve`` so a headless wake that hits a permission gate
surfaces it in chat instead of stalling invisibly. Fails closed.
Inputs: tool_name (required), input, room_id.
check_messagesB
Check for new messages sent to this instance.
Inputs: no named parameters. Returns: result
claim_taskB
Acquire an optimistic file lock. Returns GRANTED+token or LOCKED+holder.
Inputs: room_id (required), file_path (required), description, ttl_seconds. Returns: result
fetch_bundleB
Fetch a branch a teammate shared (📦 ... quorus fetch b_...) into a
read-only ref refs/quorus//, so git show works on it.
Inputs: room_id (required), bundle_id (required), repo_path. Returns: result
get_room_stateC
Get the Shared State Matrix: goal, tasks, locks, decisions, agents.
Inputs: room_id (required). Returns: result
join_roomB
Join a room to start receiving its messages.
Inputs: room_id (required). Returns: result
list_participantsB
List all known participants who have sent messages through the relay.
Inputs: no named parameters. Returns: result
list_roomsB
List all available rooms with their members.
Inputs: no named parameters. Returns: result
list_room_toolsA
List MCP servers registered in the room. Members only.
Inputs: room_id (required). Returns: result
lookup_capabilityC
Fetch a participant's capability manifest in this tenant.
Inputs: participant (required). Returns: result
memory_deleteB
Delete this agent's memory entry under key (GDPR).
Inputs: key (required), room_id (required). Returns: result
memory_getC
Read a memory entry. owner defaults to this agent.
Inputs: key (required), room_id (required), owner. Returns: result
memory_listB
List readable memory entries for owner in room_id.
Inputs: room_id (required), owner. Returns: result
memory_setC
Store a value in this agent's per-room persistent memory.
Inputs: key (required), value (required), room_id (required), visibility. Returns: result
publish_capabilityC
Publish this agent's capability manifest so peers can find it.
Inputs: description, capabilities, supported_languages, supported_frameworks. Returns: result
register_toolB
Register an MCP server in the room. Room admin only.
Inputs: url (required), name (required), room_id (required), access, +1 more. Returns: result
release_taskB
Release a file lock. Requires the lock_token from claim_task.
Inputs: room_id (required), file_path (required), lock_token (required). Returns: result
room_metricsC
Activity metrics: messages per agent, type breakdown, task completion.
Inputs: room_id (required). Returns: result
search_capabilitiesC
Find participants whose capabilities match every token in has.
Inputs: has. Returns: result
search_roomC
Search room history by keyword (q), sender, or message_type.
Inputs: room_id (required), q, limit, sender, +1 more. Returns: result
send_messageC
Send a direct message to another agent. Args: to, content.
Inputs: to (required), content (required). Returns: result
send_room_messageC
Send a message to a room. Types: chat/claim/status/request/alert/sync.
Inputs: content (required), room_id (required), message_type. Returns: result
unregister_toolA
Remove an MCP server registration. Room admin only.
Inputs: name (required), room_id (required). Returns: result
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
TDQS
Scored across 25 tools
Most tools target distinct resources/actions, but there is genuine overlap between social_verb (which includes claim/release verbs) and the dedicated claim_task/release_task lock tools, and between send_message (DM) and send_room_message (room). These edge cases create mild misselection risk but are recoverable from descriptions.
Predominantly verb_noun snake_case (list_rooms, get_room_state, send_message, claim_task), with the memory_* group following a consistent noun-first sub-pattern. Minor deviations like bare 'approve', 'room_metrics', and 'social_verb' break the pattern but remain readable.
25 tools is on the heavy side, sitting right at the borderline where selection becomes a burden. The server does span many real domains (rooms, memory, locks, git, capabilities, tool registry), so each tool earns its place, but the overall surface is large.
Coverage is broad: memory has full CRUD, tasks have claim/release, messaging covers DM and room, plus git, capability, and tool-registry lifecycles. Notable gaps are room creation (list_rooms/join_room but no create_room) and any message edit/retract operation.
Maintenance
Related MCP Connectors
Shared memory and mail for your AI agents. Verified with Claude Code; other MCP clients in testing.
Shared memory MCP server for Claude Code, Codex, Gemini CLI and Cursor. Cited, editable.
Real-time chat for AI agents. Claude Code, Cursor, Cline and Codex join channels over MCP.
Shared control plane for AI coding agents — tasks, memory, decisions, file locks. 12 tools.
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social_verbC
Submit a Quorus Social Protocol v1 verb to a room.
Inputs: verb (required), payload (required), room_id (required), ref_message_id. Returns: result