do

do is a skill for Claude Code, Codex from jxoesneon/Ciel. It costs 14 tokens per session (526 once invoked), scanned A, original, Apache-2.0.

An execution workflow for carrying out an approved implementation plan through several stages and separate checking roles. It coordinates coding, verification, and review of each phase.

In plain words
What is it for?
Use it to implement phased coding plans, delegate separate implementation and verification work, and record completed checkpoints.
Why use it?
It gives large changes checkpoints and independent checks, making it easier to catch mistakes before moving on.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions subagents.

Good fit Use it to implement phased coding plans, delegate separate implementation and verification work, and record completed checkpoints.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/jxoesneon/ciel/do
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.

Any agent
npx skills add jxoesneon/Ciel --skill do
Clone the repo
git clone --depth 1 https://github.com/jxoesneon/Ciel

Made for: Claude Code, Codex.

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/jxoesneon/ciel/do/github.svg)](https://agentmods.dev/skills/jxoesneon/ciel/do)
Your own site
<a href="https://agentmods.dev/skills/jxoesneon/ciel/do"><img src="https://agentmods.dev/badge/skills/jxoesneon/ciel/do/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 do

Your own site · 80×15
<a href="https://agentmods.dev/skills/jxoesneon/ciel/do"><img src="https://agentmods.dev/badge/skills/jxoesneon/ciel/do.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 14 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 526 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 $0.00014 $0.00526
Opus 5 $0.00007 $0.00263
Sonnet 5 $0.00003 $0.00105
Haiku 4.5 $0.00001 $0.00053

Measured 8d ago against content hash f3711cceef53, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

do 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.

skills/do/SKILL.md · 63 lines

What it actually says

CIEL ADAPTATION: Do (The Execution Layer)

This skill serves as CIEL's "Execution Layer," responsible for the systematic, high-fidelity implementation of approved plans. It prioritizes delegation, verification, and adherence to evidence over raw speed.

Integration Context

Adapted from ~/.agents/skills/do/. This skill is the final stage of the CIEL lifecycle, transforming a make-plan (Strategy) into a verified reality. It mandates "Delegated Verification" after every atomic change.

Orchestration Logic

1. Plan Ingestion

The execution MUST start by reading the active implementation plan from docs/ciel/plans/. Each turn must focus on a single, well-defined phase.

2. Multi-Agent Delegation

CIEL acts as the Orchestrator, delegating discrete tasks to specialized sub-agents:

  • Implementer: Carries out the code changes, following the plan's documentation references exactly.
  • Verifier: Runs the phase's verification checklist (tests, grep checks) in a separate context.
  • Auditor: Checks for anti-patterns and ensures alignment with ai-first-engineering principles.

3. Checkpoint Persistence

Each completed phase must be recorded in the session log and, if requested by the plan, committed to git ONLY after verification passes.

4. Memory Sync

Successful implementations must be indexed in MemPalace as ImplementedFeature nodes, linking back to the original ProposedPlan and ProposedDesign.

5. Transition

The terminal state of this skill is the invocation of the verification-loop for final E2E validation.


Original Execution Protocol and Failure Mode prevention preserved at source.

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 · 63 lines · 14 tokens per session scan A f3711cceef53

Subscribe to this mod's changes

do is a skill published in the GitHub repository jxoesneon/Ciel (1 stars, last pushed 4d ago), licensed Apache-2.0. It adds 14 tokens to every session and 526 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 2026-09-03.

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