Borrowing it
Nothing to install: this file belongs to riwsky/iosef. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/riwsky/iosef/main/.claude/skills/release/SKILL.mdgit clone --depth 1 https://github.com/riwsky/iosefWrote 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.
[](https://agentmods.dev/skills/riwsky/iosef/release)<a href="https://agentmods.dev/skills/riwsky/iosef/release"><img src="https://agentmods.dev/badge/skills/riwsky/iosef/release/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.
<a href="https://agentmods.dev/skills/riwsky/iosef/release"><img src="https://agentmods.dev/badge/skills/riwsky/iosef/release.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00063 | $0.00691 |
| Opus 5.5 | $0.00025 | $0.00276 |
| Sonnet 5.5 | $0.00013 | $0.00138 |
| Haiku 4.5 | $0.00006 | $0.00069 |
Grade A, and why
release scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 67 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Release Workflow
Versioning
We are pre-1.0. Always use v0.x.y versions. Do not tag v1.* until explicitly decided.
- Patch (
v0.x.Y): bug fixes, minor tweaks - Minor (
v0.X.0): new features, new MCP tools, behavioral changes
Steps
-
Bump
serverVersioninSources/iosef/Utilities.swiftto the target semver. -
Build and verify:
swift build -c release .build/release/iosef --version # should print new version -
Push to main (if not already there). Use
/jj-just-push-mainor equivalent. -
Choose the version — check existing tags:
git --git-dir=$(jj git root) tag -l 'v*' -
Tag and push the tag:
# In a jj repo, use git directly for tagging: git --git-dir=$(jj git root) tag v{VERSION} {COMMIT_HASH} git --git-dir=$(jj git root) push origin v{VERSION} # Then fetch so jj sees the tag: jj git fetchIf tagging the current jj working copy, find its git commit with
jj log -r @ --no-graph -T commit_id. -
Monitor CI: The
v*tag triggers.github/workflows/release.yaml, which builds arm64 and x86_64 binaries separately via SwiftPM, combines them withlipointo a universal2 binary, and publishes the wheel to PyPI. -
Verify on PyPI once the workflow completes:
pip index versions iosef
Checklist
-
serverVersionbumped inSources/iosef/Utilities.swift -
swift build -c releasesucceeds -
iosef --versionprints new version - Changes pushed to main
- Version is
v0.x.y(pre-1.0!) - Tag points to the correct commit
- Tag pushed to origin
-
jj git fetchrun after tag push - GitHub Actions workflow running/passed
- PyPI shows the new version
Gotchas
- The
serverVersionconstant is used by bothiosef --versionand the MCP server's version field. Always bump it. - In jj repos,
jjdoesn't manage git tags — usegit --git-dir=$(jj git root)for tag operations. - CI builds each arch separately via SwiftPM (
swift build -c release), not--archflags (which trigger Xcode's build system and break on CI).
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.
- 1mo ago First seen · 67 lines · 63 tokens per session scan A c519344b4420
release is a skill published in the GitHub repository riwsky/iosef (19 stars, last pushed yesterday), licensed MIT. It adds 63 tokens to every session and 691 once invoked, about $0.0003 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 2026-08-30.
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