stack-ship

stack-ship is a skill for Claude Code from ronaknnathani/relay. It costs 60 tokens per session (2,530 once invoked), scanned A, original, MIT.

A workflow for turning a design or feature goal into several small, dependent pull requests, then guiding them through review and merging. A pull request is a proposed code change for a repository.

In plain words
What is it for?
It helps plan acceptance criteria, create a stack of implementation pull requests, delegate their work, monitor progress, and advance the stack as changes are merged.
Why use it?
It breaks large changes into smaller units and keeps track of their order, progress, and dependencies, reducing the need for constant manual coordination.

Skill for Claude Code

Written for Claude Code: disable-model-invocation in frontmatter. Also seen: mentions subagents; names the AskUserQuestion tool.

Good fit It helps plan acceptance criteria, create a stack of implementation pull requests, delegate their work, monitor progress, and advance the stack as changes are merged.

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Install with agentmods
npx agentmods add skills/ronaknnathani/relay/stack-ship
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 ronaknnathani/relay --skill stack-ship
Clone the repo
git clone --depth 1 https://github.com/ronaknnathani/relay

Made for: Claude Code.

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 stack-ship

README.md
[![agentmods](https://agentmods.dev/badge/skills/ronaknnathani/relay/stack-ship/github.svg)](https://agentmods.dev/skills/ronaknnathani/relay/stack-ship)
Your own site
<a href="https://agentmods.dev/skills/ronaknnathani/relay/stack-ship"><img src="https://agentmods.dev/badge/skills/ronaknnathani/relay/stack-ship/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 stack-ship

Your own site · 80×15
<a href="https://agentmods.dev/skills/ronaknnathani/relay/stack-ship"><img src="https://agentmods.dev/badge/skills/ronaknnathani/relay/stack-ship.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 60 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,530 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 $0.00060 $0.02530
Opus 5.5 $0.00024 $0.01012
Sonnet 5.5 $0.00012 $0.00506
Haiku 4.5 $0.00006 $0.00253

Measured 1mo ago against content hash e6106595c2a2, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

stack-ship 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 1mo 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/stack-ship/SKILL.md · 150 lines

How it starts

The opening of the file, as written. The whole thing — 150 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Stack Ship

Drive a design or feature goal from intake to "all PRs merged" with near-zero steering. The orchestrator is a router, not a worker: it owns the plan, state, delegation, and author-facing decisions; subagents own execution and return structured digests.

The guardrails are non-negotiable — read them before acting.

Throughout this skill master denotes the repository's default branch; substitute the real default (main, etc.). Auto-merge is armed only on a default-branch-based PR — which, in a stack, is exactly the front PR.

The one-paragraph model

You (orchestrator) turn a goal into an acceptance-criteria list and a stacked PR plan (api → utils → stitch, smallest single-intent PRs). You spawn a deliver-pr sub-agent per PR to run the full single-PR pipeline and open the PR. You drive whichever PR currently sits on master (the front of the stack) to merged by pointing the relay pr watch runtime at it with yourself as the owner and running pr-monitor once for each digest it wakes you with, and you add only the stack-specific front-advance and cascade. You never write code, never post in your own voice, never approve, never make author-owned design decisions, and never install unreviewed tooling — you route work and surface questions. You stop when every acceptance criterion is met and every PR is merged.

When to use / not use

  • Use for a multi-PR feature with a clear goal and a discoverable current→desired delta.
  • Use again / resume for an active stacked delivery run. On resume, reconstruct state, make sure exactly one watcher is running for the current front project, and handle any digest it already recorded — the author should not have to type a special "monitor-tick mode" prompt.
  • Don't use for a single small change (just do it), or when the goal/delta is too vague to write acceptance criteria — first run brainstorming / ask the author to sharpen the goal.

Read the full file on GitHub · 150 lines

Files

What ships with it

6 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 1mo ago Changed · +12 lines · -37 tokens per session e6106595c2a2
  2. 1mo ago First seen · 138 lines · 97 tokens per session scan A 67dd375e9a2e

Subscribe to this mod's changes

stack-ship is a skill published in the GitHub repository ronaknnathani/relay (3 stars, last pushed 23d ago), licensed MIT. It adds 60 tokens to every session and 2,530 once invoked, about $0.0002 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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