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Agent Parley — separate work, shared context

Separate worktrees. Shared context. One screen.

Run several coding agents at once and know who owns what.
Every claim, handoff and refusal is recorded, attributed and visible.

Release Zero runtime dependencies Python 3.12+ claude and codex MIT license

See it · Install · Run · Coordination · Monitoring · Providers · Commands · Limits


See it

Under ninety seconds of one real run: two lanes on two providers, a claim, an advisory reservation, the collision a second lane meets on the same path and the request it queues instead, a handoff offered and accepted with its reservations, the dashboard, and a native hook refusing a branch switch.

A terminal recording of two lanes claiming an issue, colliding on a reservation, queueing a request, handing the issue over and being refused a branch switch

Every frame is captured command output, never typed prose. The coordination path is the shipped one; only the native client is a stand-in, so no model was called. scripts/record_demo.py drives that run against a temporary project and writes the animation, and make demo reproduces it.

One screen for every lane: session state, branch drift, issues owned, handoffs pending, unread mail, held reservations, delivered context, what enforcement denied, and what that lane's own client recorded for its session. Read-only, no model call, q quits.

agent-parley top showing three lanes with issues, mail, leases, denials and served calls

A lane reads active while it is serving coordination calls, idle once a live lane passes the inactivity threshold, and stopped only when its recorded session process is gone. A quiet lane is not a lost one. Every frame on this page is real command output from a demo project; only the state and project paths are shortened.

Monitoring covers the whole view: the columns, the keys, the filters, problems, metrics and watch.

Install

Linux, macOS or WSL2 with the repository in the Linux file system, Git, and uv. No clone. The wheel needs no third-party runtime packages.

uv tool install agent-parley
# to track the default branch instead:
# uv tool install git+https://github.com/suneel944/agent-parley

Then add the plugin to whichever CLI you drive. One marketplace serves both.

claude plugin marketplace add suneel944/agent-parley
claude plugin install agent-parley@agent-parley
codex plugin marketplace add suneel944/agent-parley
codex plugin add agent-parley@agent-parley

The plugin carries the shared coordinate skill, so an agent can read coordination state, claim an issue and hand work off in its own words. It is deliberately skill-only: the launcher supplies MCP configuration and lifecycle hooks per session, and it is also what creates the worktrees and runs the coordination service. The plugin alone gives an agent the skill and nothing to coordinate through.

For a pinned, checksummed install, take a wheel from Releases instead. Shell completion, upgrades and the supported platforms are in Operations.

Run it

From a committed, clean checkout, one terminal per agent:

# Terminal 1
agent-parley run claude

# Terminal 2
agent-parley run codex

That is the whole setup. The first run registers the repository, creates that participant's worktree and branch, starts the coordination service, and hands you the native CLI. Prompt it exactly as you always do. A new name creates its own lane, so a second account of the same provider, or another provider, is one more terminal.

Then watch the work, and steer a lane without taking over its terminal:

agent-parley status   # one table per project: ownership, activity, outcomes
agent-parley top      # every lane live, including what enforcement denied
agent-parley problems # only what needs you now, oldest first
agent-parley say claude-2 "Rebase onto main before you open the pull request."

agent-parley on its own prints the grouped command list, agent-parley --version prints the installed version, and agent-parley version adds the state directory in use. One thing at a time reads through a show verb — issue show 42, participant show claude-2, provider show claude, credentials show work — and mail list prints the inbox without a search query. Every one of them accepts --json. The mail readers take --as NAME, so the message problems cites opens from the main checkout: it reads that lane's mail and sends, acknowledges and marks nothing on its behalf.

When a lane's work is ready, integrate it from the base checkout, or send it for review:

agent-parley participant merge claude-2
agent-parley participant pr claude-2

A repository can also authorize the second of those for the lane itself, with pull_request.self_service in its private project settings. It is off by default; with it on, a lane opens the pull request for its own work only after a ready report, a configured gate that passes, its own assigned branch and no peer reservation over the paths it changed, and every such pull request records what authorized it. Merging stays an operator step either way.

Running lanes covers the rest of the operator surface: deferred and bulk steering, pausing, stopping and restarting a lane, the merge plan for several lanes at once, the pre-merge gate, recorded approvals, and the setup command every new lane runs.

What it enforces

  • Ownership changes only through explicit claims and accepted handoffs. No timeout and no process exit moves an issue, and a recorded dependency informs rather than gates.
  • Choosing work is a reading, not a guess. agent-parley issue next ranks the unclaimed, unblocked issues a lane could take, with the reason for each place, and claims nothing.
  • Native hooks decide before the tool runs. They block branch changes inside an assigned lane, catch drift after any bypass, and deliver bounded updates only when coordination state actually changes.
  • A deadline reports; it never transfers. A budget informs; it does not gate. Both mark the lane and stop nothing.
  • Reservations are advisory. Conflicts name the blocking owner and that owner's declared reason; nothing on disk is locked.
  • Mail stays private; a decision does not. Only a message a lane marks as a decision, or one an operator records with agent-parley decide, enters the project-wide log every lane can search, so a third lane stops repeating a settled question.
  • Your history stays yours. No lane signs its work, and a commit, merge, tag or pull request that credits an assistant is denied before it lands, with no flag that skips the check.
  • An out-of-date install says so before it costs a turn. The launcher, the plugin, the store and the running service each state a version, and a mismatch is refused at the boundary with the command that fixes it.

Each of these is documented in full, with the commands and the recorded evidence, in Coordination.

Two hook denials with their reasons, and the bounded briefing a session start receives

How it fits together

flowchart TD
    Repo[Your repository] --> Launcher[Agent Parley launcher]
    Launcher --> Claude[Participant · own worktree]
    Launcher --> Codex[Participant · own worktree]
    Claude <-->|Ten scoped MCP tools| Server[Local coordination service]
    Codex <-->|Ten scoped MCP tools| Server
    Server --> DB[(SQLite WAL · mail and reservations)]
    Claude --> Claims[Atomic issue claims and handoffs]
    Codex --> Claims
    DB --> Hooks[Native checkpoints · bounded updates]
    Claims --> Hooks
    Hooks -.-> Claude
    Hooks -.-> Codex

The coordination engine is built in-house with Python's standard library. It has no runtime dependencies and makes no model calls. Your existing logins and permission settings still apply.

Notifications when you step away

A lane can wait a long time on a handoff acceptance, a permission prompt or a fresh claim. Agent Parley can forward that moment to a Telegram bot or an email address, outbound only: nothing comes back, no command arrives over the channel, and a native permission prompt is still answered only in your terminal.

Five changes notify, and nothing else: a handoff offered to a lane, a lane blocked on a native permission prompt, a lane idle with no claim past the project's stalled_after grace period, a lane run that finished, and a hook refusal such as a branch switch or detected drift. A situation that has not changed sends nothing further. Sending never blocks a hook or a tool call, a failed send is recorded in the lane's event log and dropped, and nothing is queued for a retry.

Configuration is entirely environment variables, read by the service and the launcher; no token is ever written into coordination state.

Variable Meaning
AGENT_PARLEY_NOTIFY Comma-separated transports: telegram, email, or both. Unset means notifications are off.
AGENT_PARLEY_TELEGRAM_TOKEN Bot token from BotFather.
AGENT_PARLEY_TELEGRAM_CHAT Chat identifier the bot posts to.
AGENT_PARLEY_SMTP_HOST SMTP server host.
AGENT_PARLEY_SMTP_PORT SMTP port; defaults to 587, or 465 with implicit TLS.
AGENT_PARLEY_SMTP_TLS starttls (default), implicit or none.
AGENT_PARLEY_SMTP_USER SMTP user; omit for a server that needs no login.
AGENT_PARLEY_SMTP_PASSWORD SMTP password.
AGENT_PARLEY_SMTP_FROM Sender address.
AGENT_PARLEY_SMTP_TO Comma-separated recipients.
export AGENT_PARLEY_NOTIFY=telegram,email
agent-parley notify test

notify test sends one message on each configured transport and prints what each one answered, so credentials are verified before a lane depends on them. It exits 1 when any transport refuses.

Asking for status from the chat

The same Telegram bot can answer one question and only one: what is everything doing. Send status with the filters agent-parley status takes, and the reply is the reading that command prints. Nothing else crosses the channel: no claim, no handoff, no wake, no permission approval, and no free text into a session. The service long-polls the Bot API from inside itself, so no port is opened and no webhook is registered.

Every message starts with a passcode, and both the passcode and the chat identifier must match:

hunter2-and-then-some status --pending
hunter2-and-then-some status codex
hunter2-and-then-some status --provider claude --issue 14
Variable Meaning
AGENT_PARLEY_INBOUND telegram turns the reader on. Unset means no inbound path at all.
AGENT_PARLEY_INBOUND_PASSCODE Passcode every message must start with; at least 12 characters.

The bot token and chat identifier are the outbound ones above. A message from another chat, or with a wrong passcode, gets no reply at all: silence, not a hint. Five wrong passcodes inside ten minutes lock the inbound path for an hour and send one outbound notification saying so; the counter and the lock live only in memory. Only a salted hash of the passcode is held, compared in constant time, and it is never written to coordination state, the event log or the service log. The accepted message is deleted from the chat when the bot has permission, so the passcode does not sit in the history. A reading longer than one Telegram message is cut with a line naming how many rows were left out.

The reader refuses to start when the passcode is unset or shorter than twelve characters, and agent-parley status prints that fault instead of leaving a silently dead poller behind:

Inbound: AGENT_PARLEY_INBOUND_PASSCODE must be set and at least 12 characters;
inbound status queries are off.

What it does not do

Worktrees and reservations are coordination boundaries, not OS sandboxes. Agent Parley integrates a lane only when you run participant merge, and it never approves a command. The runtime can wake an idle lane to review pending mail, with global and per-lane opt-outs and a bounded number of attempts per backlog. Reported ready is ready for review, not verified completion. Token usage still depends on the native agents: CONTEXT reports the bytes coordination itself injects and TOKENS repeats what a lane's own client counted, and neither is billed spend or a claim about a token-saving percentage.

How it compares

Every tool below runs several coding agents at once, each in its own Git worktree. The difference is what happens between the worktrees. Each claim is taken from the project's own documentation, linked so you can check it.

Project What its own documentation describes What Agent Parley records instead
Claude Squad A terminal manager for background sessions, each in its own worktree, over Claude Code, Codex, Aider and Amp. Isolation is the conflict answer: separate workspaces, "so no conflicts". The same isolation, plus state the worktrees share: an atomic issue claim, an advisory reservation that names the blocking owner and reason, and a handoff that only moves ownership when a peer accepts it.
Crystal Parallel Claude Code and Codex sessions with diffs and test output in one window. The repository now points to its successor, Nimbalyst, and its README describes editor streaming and worktree isolation. A record rather than a view: who holds which issue, which paths are reserved, what evidence a lane attached to a ready report, and whether a peer reviewed that report.
Conductor A polished macOS app for running Claude Code in parallel worktrees. Closed source, macOS only. A standard-library service with no runtime dependencies that runs wherever Python 3.12 does, drives Claude, Codex, Gemini, Amp, OpenCode and Copilot through their own CLIs, and keeps its coordination state outside your repository.
Vibe Kanban A task board in front of coding agents. Its vendor announced a shutdown in April 2026 and the project continues community-maintained and fully local. Coordination in the agents' own path rather than a board in front of it: native hooks refuse a branch switch inside an assigned lane and catch drift after a bypass, which no board can see.

Two things none of them document, and the reasons they matter here:

  • A decision log every lane can search. A message a lane marks as a decision, or one an operator records with agent-parley decide, becomes project-wide, so a third lane stops relitigating a settled question.
  • A refusal to sign your work. A commit, merge, tag or pull request that credits an assistant is denied before it lands, and no flag skips the check.

Agent Parley does not replace these tools' strengths. Conductor is the smoother macOS experience, and a board is easier to read at a glance than a table. Pick Agent Parley when several agents must agree about one repository, and the answer to "who owns this, and on what evidence" has to be recorded rather than remembered.

Documentation

Page What it covers
Running lanes Launching, steering, pausing, merging, pull requests, gates and approvals.
Coordination Claims, handoffs, reservations, mail, hooks, deadlines, budgets and history.
Monitoring status, top, problems, metrics, watch and the three presence states.
Providers Which native CLI drives a lane, adapters, accounts and credential profiles.
Commands The whole command surface, the MCP tools and the --json contract.
Operations The operator reference: install, platforms, recovery, plugins and releases.
Architecture Module boundaries, protocol, persistence and stated limits.

Contributing

Run make check before opening a PR. It checks formatting, lint, typing, documentation rules, package builds, and behavior tests.

Contributing · Architecture · Operations · Security · Code of Conduct · MIT license

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