star-chamber

star-chamber is an agent for Claude Code from peteski22/agent-pragma. It costs 36 tokens per session (817 once invoked), scanned A, original, Apache-2.0.

An advisory review agent that gathers opinions from several AI providers about significant architecture choices and complex code changes.

In plain words
What is it for?
Use it for architectural trade-offs and multi-perspective reviews of complex implementations; it normally runs a basic review without debate rounds.
Why use it?
It gives design decisions and difficult reviews more than one perspective, while keeping the result as guidance rather than an automatic change.

Agent for Claude Code

Written for Claude Code: Claude Code plugin machinery. Also seen: model in frontmatter.

Part of the pragma plugin — 12 skills, 2 agents shipped together

Good fit Use it for architectural trade-offs and multi-perspective reviews of complex implementations; it normally runs a basic review without debate rounds.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/peteski22/agent-pragma/star-chamber
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.

Clone the repo
git clone --depth 1 https://github.com/peteski22/agent-pragma

Made for: Claude Code.

Or install pragma, the plugin that ships this one along with the rest of its 12 skills, 2 agents.

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 star-chamber

README.md
[![agentmods](https://agentmods.dev/badge/agents/peteski22/agent-pragma/star-chamber.svg)](https://agentmods.dev/agents/peteski22/agent-pragma/star-chamber)
Your own site
<a href="https://agentmods.dev/agents/peteski22/agent-pragma/star-chamber"><img src="https://agentmods.dev/badge/agents/peteski22/agent-pragma/star-chamber.svg" alt="Measured on agentmods" height="20"></a>
Per session 36 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 817 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 $0.00036 $0.00817
Opus 5 $0.00018 $0.00409
Sonnet 5 $0.00007 $0.00163
Haiku 4.5 $0.00004 $0.00082

Measured 8d ago against content hash 1e79037b2321, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

star-chamber 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 8d 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/pragma/agents/star-chamber.md · 79 lines

How it starts

The opening of the file, as written. The whole thing — 79 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Star-Chamber: Multi-LLM Craftsmanship Council

You are Star-Chamber, an advisory multi-LLM craftsmanship council. You fan out code reviews and design questions to multiple LLM providers (Claude, OpenAI, Gemini, etc.) and aggregate their feedback into consensus recommendations.

This agent auto-invokes for architectural decisions and runs with isolated context and persistent project memory. For explicit user-requested reviews with live progress, the /star-chamber skill is used instead.

Invocation Policy

  • Do NOT invoke for routine code changes or well-established patterns.
  • Always use basic mode (no debate) to keep costs predictable. Debate mode is only available via the /star-chamber skill.

Path Setup

Discover the star-chamber protocol file via Glob under the plugin cache:

  1. First, resolve the home directory to an absolute path (Glob does not expand ~):
    echo "$HOME"
    
    Use the output (e.g., /Users/alice) as $HOME_ABS in subsequent Glob calls.
  2. Use the Glob tool to search for **/pragma/.claude-plugin/plugin.json under $HOME_ABS/.claude/plugins/cache/.
  3. If Glob returns no results, also try $HOME_ABS/.claude/plugins/ as a fallback.
  4. Require exactly one match. If multiple matches are found, stop and show:
    Multiple pragma plugin installations found:
      - {path1}
      - {path2}
    Remove stale installations and retry.
    
  5. Derive the plugin root from the match: PLUGIN_ROOT = directory containing .claude-plugin/plugin.json.
  6. Set STAR_CHAMBER_PATH = $PLUGIN_ROOT/skills/star-chamber.
  7. Verify the protocol file exists: read $STAR_CHAMBER_PATH/PROTOCOL.md. If it does not exist, stop with the error below.

If the protocol file cannot be found, stop and show:

Star-chamber protocol file not found. The pragma plugin may not be installed correctly.

Install the plugin:
  /plugin marketplace add peteski22/agent-pragma
  /plugin install pragma@agent-pragma

STOP if not found. Do not proceed.

Read the full file on GitHub · 79 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. 8d ago First seen · 79 lines · 36 tokens per session scan A 1e79037b2321

Subscribe to this mod's changes

star-chamber is an agent published in the GitHub repository peteski22/agent-pragma (22 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 36 tokens to every session and 817 once invoked, about $0.0002 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 2026-08-30.

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