fleet-supervision

fleet-supervision is a skill for Claude Code from andreymudri/claude-teammates. It costs 28 tokens per session (1,524 once invoked), scanned A, original, MIT.

A monitoring guide for supervising a group of coding agents working on related tasks. It produces a compact status report and checks branches and worktrees, which are separate working folders tied to Git branches.

In plain words
What is it for?
Use it after an agent reports completion and before a review gate to inspect run status, branch changes, worktree ownership, and task contributions.
Why use it?
It helps reveal blocked teammates, failed tasks, empty branches, misplaced worktrees, and changes that landed in the wrong branch.

Skill for Claude Code

Written for Claude Code: $CLAUDE_PLUGIN_ROOT variable. Also seen: mentions subagents.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the claude-teammates plugin — 14 skills, 3 agents, 2 hooks shipped together

Good fit Use it after an agent reports completion and before a review gate to inspect run status, branch changes, worktree ownership, and task contributions.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add andreymudri/claude-teammates
Claude Code
/plugin install claude-teammates

Made for: Claude Code.

Or install claude-teammates, the plugin that ships this one along with the rest of its 14 skills, 3 agents, 2 hooks.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for fleet-supervision

README.md
[![agentmods](https://agentmods.dev/badge/skills/andreymudri/claude-teammates/fleet-supervision/github.svg)](https://agentmods.dev/skills/andreymudri/claude-teammates/fleet-supervision)
Your own site
<a href="https://agentmods.dev/skills/andreymudri/claude-teammates/fleet-supervision"><img src="https://agentmods.dev/badge/skills/andreymudri/claude-teammates/fleet-supervision/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for fleet-supervision

Your own site · 80×15
<a href="https://agentmods.dev/skills/andreymudri/claude-teammates/fleet-supervision"><img src="https://agentmods.dev/badge/skills/andreymudri/claude-teammates/fleet-supervision.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 28 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,524 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00028 $0.01524
Opus 5 $0.00014 $0.00762
Sonnet 5 $0.00006 $0.00305
Haiku 4.5 $0.00003 $0.00152

Measured 10d ago against content hash ae8b14f60891, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

fleet-supervision scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/fleet-supervision/SKILL.md · 116 lines

How it starts

The opening of the file, as written. The whole thing — 116 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Fleet Supervision

Digest

node "$CLAUDE_PLUGIN_ROOT/scripts/cli.mjs" digest --run <runId> --root <project root>

Show that block as-is. It is deliberately compact; do not expand it into prose.

What the repository says

node "$CLAUDE_PLUGIN_ROOT/scripts/cli.mjs" doctor --run <runId> --plan <planPath> --root <project root>

The digest renders status.json, which the teammates being supervised write; doctor asks git instead. It reports the main worktree's branch and any dirty paths, every worktree and who holds it, and per task the branch tip and what it actually contributes from its own fork point. Exit 1 means it found problems, all named — a branch with no changes (the work landed on another ref), a worktree inside the repository, a branch that reached the base branch without the run branch.

Run it after a teammate returns and before a gate. It decides nothing and records nothing: a teammate is done on the strength of this report and the gate, never on its own say-so.

Event-driven, not polling

Background teammates notify on completion — react to those notifications. The only timer is a long heartbeat (20-30 minutes) to catch a teammate that hangs and never notifies. Do not sit in a poll loop.

The heartbeat

node "$CLAUDE_PLUGIN_ROOT/scripts/cli.mjs" liveness --run <runId> --plan <planPath> --root <project root>

Run it on the 20-30 minute heartbeat, not in a loop. Exit 1 means at least one teammate of the current phase has neither committed nor touched its worktree inside the window.

Exit 2 means it did not measure what you asked about, and is neither a stall nor an all-clear. Fix what the message names and run it again. It reports that when:

  • no current phase can be named — the main worktree is on the base branch, the plan is missing at the anchor, or the phases integrated out of order;
  • the run id matches no run directory (a typo would otherwise report a board of "not started");
  • the plan in the working tree has no task in the derived phase, which an amendment mid-run causes;
  • a row reads unknown, meaning freshness was not measured for that teammate. Two causes, and the output names which: no worktree of that branch could be read — none is registered, because the teammate was dispatched without worktree isolation or is working in the main worktree — or the walk hit its 5000-entry cap, for which the fix is to add the generated directory to the project .gitignore, since the walk skips what git ignores.

Read the full file on GitHub · 116 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 10d ago First seen · 116 lines · 28 tokens per session scan A ae8b14f60891

Subscribe to this mod's changes

fleet-supervision is a skill published in the GitHub repository andreymudri/claude-teammates (2 stars, last pushed 8d ago), licensed MIT. It adds 28 tokens to every session and 1,524 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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