code: Skill for Claude Code

.specify/extensions/superspec/.specify-dev/agent-commands/claude/speckit-superspec-execute/SKILL.md

speckit-superspec-execute is a skill for Claude Code, Codex from HelixDevelopment/code. It costs 24 tokens per session (549 once invoked), scanned A, original, MIT.

A workflow command that implements a feature from its task list in phases. It supports TDD, meaning writing a failing test before the code, along with delegated work, parallel tasks, reviews, and progress updates.

In plain words
What is it for?
Use it to execute a spec-driven feature, run tests, update task checkboxes, and record progress.
Why use it?
It removes the need to coordinate every task and checkpoint manually. It keeps implementation tied to the specification and pauses at phase gates for approval.

Skill for Claude CodeCodex

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

This is HelixDevelopment/code's own configuration. It tells Claude Code and Codex how to work on code itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything code configures →

Reuse

Borrowing it

Nothing to install: this file belongs to HelixDevelopment/code. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/HelixDevelopment/code/main/.specify/extensions/superspec/.specify-dev/agent-commands/claude/speckit-superspec-execute/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/HelixDevelopment/code

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.

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README.md
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Your own site
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Your own site · 80×15
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Per session 24 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 549 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 $0.00024 $0.00549
Opus 5 $0.00012 $0.00275
Sonnet 5 $0.00005 $0.00110
Haiku 4.5 $0.00002 $0.00055

Measured 5d ago against content hash 903ccede6c15, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

speckit-superspec-execute 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 5d 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.

.specify/extensions/superspec/.specify-dev/agent-commands/claude/speckit-superspec-execute/SKILL.md · 69 lines

What it actually says

speckit.superspec.execute

Orchestrate implementation with TDD, subagents, and review gates.

Usage

/speckit.superspec.execute [spec-number|spec-path]

Process

  1. Read the tasks file for the target feature

  2. Read the plan and constitution for context

  3. Superpowers detection: Check for executing-plans, subagent-driven-development, and test-driven-development skills

  4. Walk through tasks phase by phase:

    For [TDD] tasks:

    • If TDD skill found, follow its RED-GREEN-REFACTOR process
    • Otherwise: write test → verify it fails → implement → verify it passes → refactor

    For [SUBAGENT] tasks:

    • If subagent-driven-development skill found, follow its dispatch protocol
    • Otherwise: implement sequentially in-session

    For [P] tasks:

    • Launch parallel tasks where possible using the Task tool

    For [REVIEW] tasks:

    • Pause and run review protocol (see commands/review.md)
  5. At each phase checkpoint:

    • Summarize completed work
    • Run tests if applicable
    • Ask user for approval before proceeding to next phase
  6. Update task checkboxes in tasks.md as each task completes

  7. Update specs/NNN/progress.yml with current execution state

Output

Code changes in the project, updated task checkboxes in tasks.md.

Human Checkpoints

The agent MUST pause at every phase boundary and wait for explicit user approval. Never skip a checkpoint.

Superpowers Adaptation

Skill Adaptation
executing-plans Follow its batch processing protocol with human checkpoints
subagent-driven-development Follow its dispatch protocol for [SUBAGENT] tasks
test-driven-development Follow its RED-GREEN-REFACTOR discipline for [TDD] tasks

If no superpowers are available, all three fall back to built-in sequential execution with manual confirmation. See .specify/extensions/superspec/references/superpowers-bridge.md for full details.

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. 5d ago First seen · 69 lines · 24 tokens per session scan A 903ccede6c15

Subscribe to this mod's changes

speckit-superspec-execute is a skill published in the GitHub repository HelixDevelopment/code (2 stars, last pushed 4d ago), licensed MIT. It adds 24 tokens to every session and 549 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 2026-09-04.

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