implement-plan

implement-plan is a skill for Claude Code, Codex from tobihagemann/turbo. It costs 92 tokens per session (846 once invoked), scanned A, original, MIT.

A workflow for carrying out an implementation plan saved in a plan file. It prepares the work, executes each listed step, and updates the plan when finished.

In plain words
What is it for?
Find the appropriate plan file, read its context, create tasks for its steps, run the implementation workflow, and update the plan status.
Why use it?
It turns an already-written plan into tracked implementation work and stops when the plan cannot be resolved.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: names the AskUserQuestion tool.

Good fit Find the appropriate plan file, read its context, create tasks for its steps, run the implementation workflow, and update the plan status.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/tobihagemann/turbo/implement-plan
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 tobihagemann/turbo --skill implement-plan
Clone the repo
git clone --depth 1 https://github.com/tobihagemann/turbo

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 implement-plan

README.md
[![agentmods](https://agentmods.dev/badge/skills/tobihagemann/turbo/implement-plan.svg)](https://agentmods.dev/skills/tobihagemann/turbo/implement-plan)
Your own site
<a href="https://agentmods.dev/skills/tobihagemann/turbo/implement-plan"><img src="https://agentmods.dev/badge/skills/tobihagemann/turbo/implement-plan.svg" alt="Measured on agentmods" height="20"></a>
Per session 92 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 846 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. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Rogue Agent · line 12
    Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.
    Fix: Remove any persistence mechanisms (cron jobs, startup scripts, state files). Skills should not maintain state across sessions without explicit user consent.
How audits are shown
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 $0.00092 $0.00846
Opus 5 $0.00046 $0.00423
Sonnet 5 $0.00018 $0.00169
Haiku 4.5 $0.00009 $0.00085

Measured 8d ago against content hash 62c3b767cb03, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

implement-plan 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.

claude/skills/implement-plan/SKILL.md · 68 lines

How it starts

The opening of the file, as written. The whole thing — 68 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Implement Plan

Execute an implementation plan file.

Task Tracking

At the start, use TaskCreate to create a task for each step:

  1. Resolve and read the plan file
  2. Read context files
  3. Run /implement skill
  4. Update plan status

Step 1: Resolve and Read the Plan File

Determine which plan file to implement using these rules in order:

  1. Explicit path — If an absolute or relative path was passed and that file exists, use it
  2. Explicit slug — If a slug was passed (e.g., add-image-cache), resolve to .turbo/plans/<slug>.md if that file exists
  3. Single file — Glob .turbo/plans/*.md. If exactly one plan exists, use it
  4. Most recent — If multiple plans exist, use the most recently modified
  5. Legacy fallback — If .turbo/plans/ does not exist but .turbo/plan.md exists, use it
  6. Nothing found — If no rule above resolved to an existing file, tell the user to run /turboplan and stop. When a slug or path was passed but no file matched it, say which one was tried

If multiple plans exist and the most-recent choice is non-obvious (e.g., several plans were modified within the same minute), use AskUserQuestion to let the user pick from the candidates.

State the resolved plan path before continuing, then read the file.

Unless an explicit path or slug was passed, confirm the resolved plan still describes work that remains to be done:

  • Already implemented — the frontmatter status: is done

When the signal fires, output it as text. Then use AskUserQuestion to offer:

  • Implement anyway — the marker is stale
  • Pick another plan — resolve to a different file under .turbo/plans/, then confirm that plan against this same signal
  • Leave it unimplemented — the plan needs revising first

On Leave it unimplemented, tell the user to bring the plan current with /refine-plan and run this skill again. Mark the remaining implement steps deleted, then use the TaskList tool and proceed to any remaining task.

Read the full file on GitHub · 68 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 · 68 lines · 92 tokens per session scan A 62c3b767cb03

Subscribe to this mod's changes

implement-plan is a skill published in the GitHub repository tobihagemann/turbo (402 stars, last pushed yesterday), licensed MIT. It adds 92 tokens to every session and 846 once invoked, about $0.0005 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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