do

do is a skill for Claude Code, Codex from SethGammon/Citadel. It costs 74 tokens per session (5,966 once invoked), scanned B, original, MIT.

A router for coding requests that chooses an appropriate action, skill, or work-planning process. It is intended for users who want something done without knowing which available tool should handle it.

In plain words
What is it for?
Use it as a general entry point for tasks, status checks, setup, previews, continuation, or listing available skills. It can route work to a direct command, a skill, or a larger planning or coordination process.
Why use it?
It removes the need to learn the names and boundaries of many commands. It can classify the request by size, complexity, persistence, and whether work can run in parallel.

Skill for Claude CodeCodex

Part of the citadel plugin — 48 skills, 7 agents, 2 MCP servers 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 skills/sethgammon/citadel/do
Any agent
npx skills add SethGammon/Citadel --skill do
Clone the repo
git clone --depth 1 https://github.com/SethGammon/Citadel

Made for: Claude Code, Codex.

Or install citadel, the plugin that ships this one along with the rest of its 48 skills, 7 agents, 2 MCP servers.

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 do

README.md
[![agentmods](https://agentmods.dev/badge/skills/sethgammon/citadel/do.svg)](https://agentmods.dev/skills/sethgammon/citadel/do)
Your own site
<a href="https://agentmods.dev/skills/sethgammon/citadel/do"><img src="https://agentmods.dev/badge/skills/sethgammon/citadel/do.svg" alt="Measured on agentmods" height="20"></a>
Per session 74 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,966 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. 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 $0.00074 $0.05966
Opus 5 $0.00037 $0.02983
Sonnet 5 $0.00015 $0.01193
Haiku 4.5 $0.00007 $0.00597

Measured 4d ago against content hash 8f85678d1423, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade B, and why

do scanned grade B with 1 finding 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 4d 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.

Asks the agent to reveal its instructionsmediumSystem prompt leakage

Directions to print, repeat or translate the system prompt extract configuration the operator did not intend to expose.

- `always-ask` or `null` → show prompt: "These look independent — run in parallel? [1=yes 2=always 3=no]"
skills/do/SKILL.md · 315 lines

How it starts

The opening of the file, as written. The whole thing — 315 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/do — Unified Intent Router

Orientation

Use /do when the user wants something done but doesn't know (or care) which tool handles it. Don't use when: you know the destination — invoke /marshal, /archon, /fleet, or any skill directly.

Commands

Command Behavior
/do [anything] Classify intent, route to cheapest capable path
/do status Show full harness dashboard (/dashboard)
/do next Run the decision-first operator console for the next useful harness action
/do operator Show the operator console without executing repairs
/do preview <request> Show exact resolution or generated candidates and their boundary without executing
/do --route /skill -- <request> Use an explicit validated route without bypassing activation or safety boundaries
/do continue Resolve and run the deterministic continuation action
/do --list Show all skills grouped by category with trigger keywords
/do setup First-run experience — configure the harness for this project

Protocol

Classification runs top-to-bottom. Exact commands resolve first. Natural-language requests use keyword matches only as candidate evidence for semantic classification.

Step 0: Skill Registry Check (Cost: ~0 on hit | ~50 tokens on miss)

Compare installed skill directories with core/skills/routing-table.json. If they match, continue without reading skill bodies. For each unknown skill, read only its frontmatter and use name, description, and trigger_keywords as session-local Tier 2 match targets, then report: "Discovered {N} new skill(s): {names}. Run /do setup to regenerate routing." Do not write registration fields into harness.json; schema-v2 config is exact and generated routing is a projection, not config authority.

Tier 0: Exact Command Match (Cost: ~0 tokens | Latency: <1ms)

Normalize case, apostrophes, and whitespace, then compare the entire input. Never match a Tier 0 command because its word appears inside a larger request.

Read the full file on GitHub · 315 lines

Files

What ships with it

4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 4d ago First seen · 315 lines · 74 tokens per session scan B 8f85678d1423

Subscribe to this mod's changes

do is a skill published in the GitHub repository SethGammon/Citadel (917 stars, last pushed 7d ago), licensed MIT. It adds 74 tokens to every session and 5,966 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it B with 1 finding (asks the agent to reveal its instructions). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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