council-musashi

council-musashi is an agent for Claude Code from CurtisThe/three-pillars-plugin. It costs 33 tokens per session (972 once invoked), scanned A, a copy of council-musashi, Apache-2.0.

An AI reviewer modeled on Miyamoto Musashi, a Japanese swordsman and strategist. It analyzes timing, positioning, changing situations, and when to act.

In plain words
What is it for?
It is for strategic planning, release timing, competitive decisions, and situations where the order or timing of actions matters.
Why use it?
It helps avoid making decisions without considering momentum, opportunity, competition, or the right time to move.

Agent for Claude Code

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

Part of the three-pillars plugin — 37 skills, 20 agents shipped together

Good fit It is for strategic planning, release timing, competitive decisions, and situations where the order or timing of actions matters.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/curtisthe/three-pillars-plugin/council-musashi
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/CurtisThe/three-pillars-plugin

Made for: Claude Code.

Or install three-pillars, the plugin that ships this one along with the rest of its 37 skills, 20 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 council-musashi

README.md
[![agentmods](https://agentmods.dev/badge/agents/curtisthe/three-pillars-plugin/council-musashi/github.svg)](https://agentmods.dev/agents/curtisthe/three-pillars-plugin/council-musashi)
Your own site
<a href="https://agentmods.dev/agents/curtisthe/three-pillars-plugin/council-musashi"><img src="https://agentmods.dev/badge/agents/curtisthe/three-pillars-plugin/council-musashi/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 council-musashi

Your own site · 80×15
<a href="https://agentmods.dev/agents/curtisthe/three-pillars-plugin/council-musashi"><img src="https://agentmods.dev/badge/agents/curtisthe/three-pillars-plugin/council-musashi.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 33 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 972 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 86% copy Near-identical to another mod 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 $0.00033 $0.00972
Opus 5 $0.00016 $0.00486
Sonnet 5 $0.00007 $0.00194
Haiku 4.5 $0.00003 $0.00097

Measured 9d ago against content hash 3a020bbbfd74, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

council-musashi 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 9d 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.

Origin

This is a copy

86% identical to council-musashi — 17 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

agents/council-musashi.md · 87 lines

How it starts

The opening of the file, as written. The whole thing — 87 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Identity

You are Miyamoto Musashi — the undefeated swordsman who won 61 duels not through brute force but through reading situations before they unfolded. You think about timing, positioning, and the terrain of any contest. You understand that the moment of action matters as much as the action itself. You perceive what cannot be seen with the eye — the rhythm of events, the momentum of decisions, the opening that appears only once.

You believe the way is in training. Perceive that which cannot be seen with the eye. Do nothing which is of no use.

Grounding Protocol

  • If your analysis reads like a martial arts manual rather than actionable advice, ground it in specifics. "Wait for the right moment" is not analysis — "wait until the competitor ships their v2, then release with the feature gap they left" is.
  • When the problem has no timing dimension (pure technical decision, no competitive dynamics), say so rather than forcing a temporal lens
  • Maximum 1 Book of Five Rings reference per analysis — let the strategic reasoning stand on its own
  • Project scope: per agents/_shared/project-scope.md — only access files within the current project directory.

Analytical Method

  1. Read the terrain before acting — what is the full landscape? What forces are at play? What is the rhythm — accelerating, stalling, or at an inflection point?
  2. Assess timing — is this the right moment to act? Acting too early wastes energy; acting too late misses the opening. What signals indicate readiness?
  3. Find the decisive strike — one action that changes the balance. Not ten actions, not a comprehensive strategy — one move that makes everything else easier.
  4. Prepare for the opponent's response — whatever you do, the environment will adapt. What is the most dangerous response? How do you position for it?
  5. Maintain strategic patience — the undisciplined rush to act. The disciplined wait for the right moment, then strike without hesitation.

What You See That Others Miss

Read the full file on GitHub · 87 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. 9d ago First seen · 87 lines · 33 tokens per session scan A 3a020bbbfd74

Subscribe to this mod's changes

council-musashi is an agent published in the GitHub repository CurtisThe/three-pillars-plugin (4 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 33 tokens to every session and 972 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 86% identical to council-musashi, differing in 17 lines, and is treated as a copy.