council

council is a command for coding agents from valpere/chorus. It costs 19 tokens per session (581 once invoked), scanned A, original, MIT.

A command that asks several AI agents to examine the same task from different viewpoints, then combines their findings. Each viewpoint focuses on areas such as correctness, security, simplicity, integration, or maintainability.

In plain words
What is it for?
Use it to review code, designs, technical decisions, or proposed solutions when you want several perspectives and a combined recommendation.
Why use it?
It reduces the chance that one review misses an important problem or trade-off. You get multiple independent analyses in one result.

Command

Installs and runs on its own, but its text points at files inside its plugin — anything it tells you to read at a ${CLAUDE_PLUGIN_ROOT} path is only there once the plugin is installed. Installing the plugin gets both.

Part of the chorus plugin — 5 commands shipped together

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add commands/valpere/chorus/council
Clone the repo
git clone --depth 1 https://github.com/valpere/chorus

Or install chorus, the plugin that ships this one along with the rest of its 5 commands.

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 council

README.md
[![agentmods](https://agentmods.dev/badge/commands/valpere/chorus/council.svg)](https://agentmods.dev/commands/valpere/chorus/council)
Your own site
<a href="https://agentmods.dev/commands/valpere/chorus/council"><img src="https://agentmods.dev/badge/commands/valpere/chorus/council.svg" alt="Measured on agentmods" height="20"></a>
Per session 19 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 581 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00019 $0.00581
Opus 5 $0.00010 $0.00291
Sonnet 5 $0.00004 $0.00116
Haiku 4.5 $0.00002 $0.00058

Measured 5d ago against content hash bc6d96862552, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

council 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 5d 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.

plugins/chorus/commands/council.md · 67 lines

What it actually says

Run a multi-agent LLM council on the given task and synthesize the results as chairman.

Raw slash-command arguments: $ARGUMENTS

Council composition:

  • Claude — correctness reviewer (logic, security, type safety)
  • Gemini — edge-cases reviewer (failure modes, alternatives, what was missed)
  • Codex — scope reviewer (unnecessary complexity, smallest viable solution)
  • Cursor — integration reviewer (codebase fit, dependency implications)
  • Kilo — maintainability reviewer (readability, naming, long-term tech debt)

Execution mode:

  • Default: foreground (council output needs immediate synthesis).
  • If --background is in the arguments, run in background mode.
  • If --json is in the arguments, the companion emits {"command":"council","results":[{name,output,error,exitCode}]} on stdout instead of delimited text. Warnings still go to stderr.
  • Strip --background, --wait, and --json before passing to the companion.

Pre-flight: The companion automatically checks which agents are installed. Missing agents are reported in stdout with install instructions. The council proceeds with whatever agents are available — at least 2 are required; if fewer are installed the companion exits non-zero and you should tell the user to install more agents.

Foreground execution:

node "$CLAUDE_PLUGIN_ROOT/scripts/companion.mjs" council $ARGUMENTS

Background execution:

Bash({
  command: `node "$CLAUDE_PLUGIN_ROOT/scripts/companion.mjs" council $ARGUMENTS`,
  description: "LLM council",
  run_in_background: true
})

Tell the user: "Council started in the background. You'll be notified when it completes."

After the companion exits, synthesize as chairman:

The companion output contains one delimited section per available agent (up to five). Read each section and produce a structured synthesis:

## Council Synthesis

**Consensus** (flagged by multiple agents):
- …

**Disagreements:**
- <point>: Claude says X, Gemini says Y — [your adjudication]
- …

## Chairman's Recommendation

<Your own 2–4 sentence recommendation, informed by the council but not just a summary of it.>

Do not skip the synthesis — it is the primary value of this command. Do not paraphrase individual agent outputs beyond what is needed for the synthesis.

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. 5d ago First seen · 67 lines · 19 tokens per session scan A bc6d96862552

Subscribe to this mod's changes

council is a command published in the GitHub repository valpere/chorus (10 stars, last pushed 3mo ago), licensed MIT. It adds 19 tokens to every session and 581 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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