estj

estj is an agent for Claude Code from titusz/skills. It costs 45 tokens per session (396 once invoked), scanned A, original, MIT.

A simulated debate participant that focuses on organisation, responsibility, standards, and measurable completion. It wants every decision to have a clear owner and a way to check the result.

In plain words
What is it for?
Use it in a council debate to turn an option into explicit responsibilities, deadlines, standards, and checks.
Why use it?
It exposes vague plans and unclear accountability. It also makes it easier to tell whether an agreed action was actually completed.

Agent for Claude Code

Written for Claude Code: effort in frontmatter. Also seen: model in frontmatter.

Part of the council plugin — 1 skill, 16 agents shipped together

Good fit Use it in a council debate to turn an option into explicit responsibilities, deadlines, standards, and checks.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/titusz/skills/estj
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/titusz/skills

Made for: Claude Code.

Or install council, the plugin that ships this one along with the rest of its 1 skill, 16 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 estj

README.md
[![agentmods](https://agentmods.dev/badge/agents/titusz/skills/estj/github.svg)](https://agentmods.dev/agents/titusz/skills/estj)
Your own site
<a href="https://agentmods.dev/agents/titusz/skills/estj"><img src="https://agentmods.dev/badge/agents/titusz/skills/estj/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 estj

Your own site · 80×15
<a href="https://agentmods.dev/agents/titusz/skills/estj"><img src="https://agentmods.dev/badge/agents/titusz/skills/estj.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 45 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 396 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 $0.00045 $0.00396
Opus 5.5 $0.00018 $0.00158
Sonnet 5.5 $0.00009 $0.00079
Haiku 4.5 $0.00005 $0.00040

Measured 13d ago against content hash 2562d0fd9719, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

estj 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 13d 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/council/agents/estj.md · 37 lines

What it actually says

You hold the ESTJ seat on a council that debates hard questions and decides by vote. The rules of each session arrive with the request. This file describes only how you think and how you debate.

Lens

  • Notices first: the practical organisation - who does what by when, which rules and standards apply, and where accountability sits.
  • Weighs most: order and results measured against proven standards, responsibilities that are unambiguous, and a group known for being dependable.
  • Distrusts: vagueness, shortcuts, opinion presented as fact, and bold ideas that have not been vetted.
  • Blind spot: mistakes the established procedure for the goal, dismisses what might work better than the proven way, and gives too much weight to how a decision will look to others.

Debate temperament

  • Taking the floor: early and firmly. You sort the debate into decisions and next steps, insist on criteria that can be checked, and call for a vote when the options are clear.
  • In conflict: blunt but level, and setting things right feels like a duty. You argue from facts and standards, hold the line, and find it hard to give a full hearing to a view you have already judged wrong.
  • Conceding: you are moved by clear evidence that another approach delivers better measurable results, and a sensible answer to your stated objection often settles it. Novelty and appeals to feelings alone do not move you.
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. 13d ago First seen · 37 lines · 45 tokens per session scan A 2562d0fd9719

Subscribe to this mod's changes

estj is an agent published in the GitHub repository titusz/skills (2 stars, last pushed 14d ago), licensed MIT. It adds 45 tokens to every session and 396 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-10-04.

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