asc-workflow

A repository-based system for defining and running repeatable multi-step command-line tasks in an .asc/workflow.json file. A workflow is a named sequence of actions that can run locally or in continuous integration, a service that runs checks automatically.

In plain words
What is it for?
Use it to create, validate, preview, list, and run automation for migrations, release processes, CI pipelines, and other repeatable command-line jobs.
Why use it?
It makes release and automation steps reviewable, reusable, and testable instead of relying on manually repeated commands.

Skill for Claude CodeCodex

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/abdullah4ai/apple-developer-toolkit/asc-workflow
Any agent
npx skills add Abdullah4AI/apple-developer-toolkit --skill asc-workflow
Clone the repo
git clone --depth 1 https://github.com/Abdullah4AI/apple-developer-toolkit

Made for: Claude Code, Codex.

Per session 62 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,760 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. 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 $0.00062 $0.01760
Opus 5 $0.00031 $0.00880
Sonnet 5 $0.00012 $0.00352
Haiku 4.5 $0.00006 $0.00176

Measured 2d ago against content hash e742060a72bf, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

asc-workflow 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.

swiftship/internal/skills/data/features/asc-workflow/SKILL.md · 240 lines

How it starts

The opening of the file, as written. The whole thing — 240 lines — stays where its author put it; the contents beside it link to each section on GitHub.

asc workflow

Use this skill when you need lane-style automation inside the CLI using:

  • asc workflow run
  • asc workflow validate
  • asc workflow list

This feature is best for deterministic automation that lives in your repo, is reviewable in PRs, and can run the same way locally and in CI.

Command discovery

  • Always use --help to confirm flags and subcommands:
    • asc workflow --help
    • asc workflow run --help
    • asc workflow validate --help
    • asc workflow list --help

End-to-end flow

  1. Author .asc/workflow.json
  2. Validate structure and references:
    • asc workflow validate
  3. Discover available workflows:
    • asc workflow list
    • asc workflow list --all (includes private helpers)
  4. Preview execution without side effects:
    • asc workflow run --dry-run beta
  5. Execute with runtime params:
    • asc workflow run beta BUILD_ID:123456789 GROUP_ID:abcdef

File location and format

  • Default path: .asc/workflow.json
  • Override path: asc workflow run --file ./path/to/workflow.json <name>
  • JSONC comments are supported (// and /* ... */)

Output and CI contract

  • stdout: structured JSON result (status, steps, durations)
  • stderr: step command output, hook output, dry-run previews
  • asc workflow validate always prints JSON and returns non-zero when invalid

This enables machine-safe checks:

asc workflow validate | jq -e '.valid == true'
asc workflow run beta BUILD_ID:123 GROUP_ID:xyz | jq -e '.status == "ok"'

Schema (what the feature supports)

Top-level keys:

  • env: global defaults
  • before_all: command run once before steps
  • after_all: command run once after successful steps
  • error: command run when any failure occurs
  • workflows: named workflow map

Workflow keys:

  • description
  • private (not directly runnable)
  • env
  • steps

Step forms:

  • String shorthand: "echo hello" -> run step
  • Object with:
    • run: shell command
    • workflow: call sub-workflow
    • name: label for reporting
    • if: conditional var name
    • with: env overrides for workflow-call steps only

Read the full file on GitHub · 240 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 First seen · 240 lines · 62 tokens per session scan A e742060a72bf

Subscribe to this mod's changes

asc-workflow is a skill published in the GitHub repository Abdullah4AI/apple-developer-toolkit (10 stars, last pushed 5d ago), licensed MIT. It adds 62 tokens to every session and 1,760 once invoked, about $0.0003 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 2026-08-31.

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