rtk: Skill for Claude Code

.claude/skills/ship/SKILL.md

ship is a skill for Claude Code from rtk-ai/rtk. It costs 16 tokens per session (2,461 once invoked), scanned A, original, Apache-2.0.

A release workflow that checks a project, updates its version and changelog, creates a Git tag, and pushes the release. A Git tag is a named marker for a specific point in the project’s history.

In plain words
What is it for?
Use it when publishing a new version after feature work, including the checks, version bump, changelog update, tagging, and push that start the release process.
Why use it?
It turns the release checklist into a repeatable sequence and checks formatting, warnings, tests, benchmarks, integration tests, and a clean working directory first.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: positional $N argument.

This is rtk-ai/rtk's own configuration. It tells Claude Code how to work on rtk 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 rtk configures →

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is ./scripts/ship.sh 0.17.0.

About the project

rtk is a command-line proxy that filters and compresses output from development commands before it reaches an LLM's context. It is used with coding agents to reduce the tokens consumed by commands such as Git operations. The catalogue includes skills, commands, agents, and instructions for using rtk in agent workflows.

rtk-ai/rtk · 84,655 stars · on GitHub · rtk-ai.app

Reuse

Borrowing it

Nothing to install: this file belongs to rtk-ai/rtk. 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/rtk-ai/rtk/develop/.claude/skills/ship/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/rtk-ai/rtk

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 ship

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/rtk-ai/rtk/ship"><img src="https://agentmods.dev/badge/skills/rtk-ai/rtk/ship.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 16 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,461 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • Snyk pass 7 Sept 2026
  • 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 Data Exfiltration · line 191
    Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
    Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
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 $0.00016 $0.02461
Opus 5.5 $0.00006 $0.00984
Sonnet 5.5 $0.00003 $0.00492
Haiku 4.5 $0.00002 $0.00246

Measured 1mo ago against content hash a59b2d941641, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ship scanned grade A with 1 finding 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -sSL https://github.com/rtk-ai/rtk/releases/download/v0.17.0/rtk-macos-latest -o rtk
.claude/skills/ship/SKILL.md · 399 lines

How it starts

The opening of the file, as written. The whole thing — 399 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Ship Release

Systematic release workflow for RTK: build verification, version bump, changelog update, git tag, and push to trigger CI/CD.

When to Use

  • Manual invocation: When ready to release a new version
  • After feature completion: Before tagging and publishing
  • Before version bump: To automate the release checklist

Pre-Release Checklist (Auto-Verified)

Before running /ship, verify:

1. Quality Checks Pass

cargo fmt --all --check    # Code formatted
cargo clippy --all-targets # Zero warnings
cargo test --all           # All tests pass

2. Performance Benchmarks Pass

hyperfine 'target/release/rtk git status' --warmup 3
# Should show <10ms mean time

/usr/bin/time -l target/release/rtk git status
# Should show <5MB maximum resident set size

3. Integration Tests Pass

cargo install --path . --force  # Install locally
cargo test --ignored            # Run integration tests

4. Git Clean State

git status  # Should show "nothing to commit, working tree clean"

Release Workflow

Step 1: Determine Version Bump

Semantic Versioning (MAJOR.MINOR.PATCH):

  • MAJOR (v1.0.0): Breaking changes (rare for RTK)
  • MINOR (v0.X.0): New features, new filters, new commands
  • PATCH (v0.0.X): Bug fixes, performance improvements

Examples:

  • New filter added (rtk pytest) → MINOR bump (v0.16.0 → v0.17.0)
  • Bug fix in git log filter → PATCH bump (v0.16.0 → v0.16.1)
  • Breaking CLI arg change → MAJOR bump (v0.16.0 → v1.0.0)

Step 2: Update Version

Files to update:

  1. Cargo.toml (line 3): version = "X.Y.Z"
  2. README.md (if version mentioned)

Note: CHANGELOG.md is auto-generated by release-please from conventional commit messages — do not edit manually.

Example:

# Cargo.toml (before)
[package]
name = "rtk"
version = "0.16.0"  # Current version

# Cargo.toml (after - MINOR bump)
[package]
name = "rtk"
version = "0.17.0"  # New version

Read the full file on GitHub · 399 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. 1mo ago First seen · 399 lines · 16 tokens per session scan A a59b2d941641

Subscribe to this mod's changes

ship is a skill published in the GitHub repository rtk-ai/rtk (84,655 stars, last pushed yesterday), licensed Apache-2.0. It adds 16 tokens to every session and 2,461 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.