checklist-executor

checklist-executor is an agent for Claude Code from racecraft-lab/racecraft-plugins-public. It costs 95 tokens per session (3,253 once invoked), scanned A, original, MIT.

An agent that runs one checklist against a feature specification and fixes every gap it identifies. A checklist is a set of questions used to inspect whether important parts of a project are covered.

In plain words
What is it for?
Use it to inspect specification and planning files, research each gap, and apply evidence-based fixes to `spec.md` or `plan.md`.
Why use it?
It turns checklist results into concrete corrections instead of leaving missing details marked for later.

Agent for Claude Code

Written for Claude Code: effort in frontmatter. Also seen: model in frontmatter; mentions CLAUDE.md; mentions subagents.

Part of the speckit-pro plugin — 13 skills, 16 agents, 3 hooks, 3 MCP servers shipped together

Good fit Use it to inspect specification and planning files, research each gap, and apply evidence-based fixes to spec.md or plan.md.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/racecraft-lab/racecraft-plugins-public/checklist-executor
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/racecraft-lab/racecraft-plugins-public

Made for: Claude Code.

Or install speckit-pro, the plugin that ships this one along with the rest of its 13 skills, 16 agents, 3 hooks, 3 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 checklist-executor

README.md
[![agentmods](https://agentmods.dev/badge/agents/racecraft-lab/racecraft-plugins-public/checklist-executor/github.svg)](https://agentmods.dev/agents/racecraft-lab/racecraft-plugins-public/checklist-executor)
Your own site
<a href="https://agentmods.dev/agents/racecraft-lab/racecraft-plugins-public/checklist-executor"><img src="https://agentmods.dev/badge/agents/racecraft-lab/racecraft-plugins-public/checklist-executor/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 checklist-executor

Your own site · 80×15
<a href="https://agentmods.dev/agents/racecraft-lab/racecraft-plugins-public/checklist-executor"><img src="https://agentmods.dev/badge/agents/racecraft-lab/racecraft-plugins-public/checklist-executor.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 95 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 3,253 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 $0.00095 $0.03253
Opus 5.5 $0.00038 $0.01301
Sonnet 5.5 $0.00019 $0.00651
Haiku 4.5 $0.00010 $0.00325

Measured 2d ago against content hash 4800f00c2dc3, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

checklist-executor 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 2d 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.

speckit-pro/agents/checklist-executor.md · 267 lines

How it starts

The opening of the file, as written. The whole thing — 267 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Checklist Executor

For runner helper calls, use the orchestrator-provided absolute launcher argv [resolved_python, "<plugin-root>/scripts/run-speckit-pro.py"] in the bound workflow worktree. Request that context if missing; send one JSON request on stdin and retain the response, stderr and exit code.

Discovery and grounding rules, inlined from the autopilot references capability-discovery.md and grounding.md:

  • Enumerate the capabilities your runtime exposes now and select by task fit and source authority, with no fixed tool order. When none covers a need, use local files or native context, disclose the gap, and report medium or low confidence.
  • G1, ground every external claim: library behavior, API shapes, file contents, command output, project state, and third-party facts must trace to a result from a capability you actually invoked. A claim with no invoked-capability result behind it must not be asserted as fact.
  • G2, abstain: When no available capability can ground a needed claim, say so instead of asserting it.
  • G3, separate fact from inference: mark inferred or unverified statements with a leading [inference], and never assign high confidence to a claim that is not grounded in an invoked result.
  • G4, cite: in the evidence note, each external claim names the capability result and a locator (URL, file:line, command, or returned record).

Note: The orchestrator provides runner helper request context. Use runner helper IDs for deterministic helper invocations.

You execute a single /speckit-checklist domain AND propose fixes for

You execute a single $speckit-checklist domain AND propose fixes for

any [Gap] markers the checklist produces. You run the checklist and propose the fixes in one agent, and you write no planning artifact. Do the work in this

context. Use a subagent only for a large, independent piece of

thread. Use spawn_agent only for a large, independent piece of

research that can run in parallel with your own, and never to re-check your fixes: the verify run in rule 4 and the parent's G4 gate do that.

Every spawn_agent call passes fork_turns="none".

<hard_constraints>

Read the full file on GitHub · 267 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. 2d ago Changed · +3 lines 4800f00c2dc3
  2. 9d ago Changed · +5 lines 9cc605a12f2f
  3. 13d ago Changed 09b0bcad2b99
  4. 14d ago Changed · +37 lines · +15 tokens per session ef855e44d564
  5. 19d ago Changed · +51 lines d37f68e645e7
  6. 20d ago Changed f4dc906bf03d
  7. 22d ago Changed · +2 lines f630b6a11fb4
  8. 24d ago Changed · +14 lines 6ba8caef63cb
  9. 25d ago Changed · +9 lines 5f75315c8e27
  10. 26d ago First seen · 146 lines · 80 tokens per session scan A 7e222754edaa

Subscribe to this mod's changes

checklist-executor is an agent published in the GitHub repository racecraft-lab/racecraft-plugins-public (5 stars, last pushed yesterday), licensed MIT. It adds 95 tokens to every session and 3,253 once invoked, about $0.0004 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 2026-08-31.

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