Borrowing it
Nothing to install: this file belongs to statecrafting/spec-spine. 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/statecrafting/spec-spine/main/.claude/skills/init/SKILL.mdgit clone --depth 1 https://github.com/statecrafting/spec-spineWrote 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/statecrafting/spec-spine/init)<a href="https://agentmods.dev/skills/statecrafting/spec-spine/init"><img src="https://agentmods.dev/badge/skills/statecrafting/spec-spine/init/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/statecrafting/spec-spine/init"><img src="https://agentmods.dev/badge/skills/statecrafting/spec-spine/init.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00027 | $0.00568 |
| Opus 5 | $0.00014 | $0.00284 |
| Sonnet 5 | $0.00005 | $0.00114 |
| Haiku 4.5 | $0.00003 | $0.00057 |
Grade A, and why
init 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 yesterday.
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 — 53 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/init: session bootstrap
Thin dispatcher. The canonical protocol lives in AGENTS.md under
## New Sessions, the cross-agent AAIF/Linux Foundation standard read by
Claude Code, Codex CLI, Cursor, Copilot, and an orchestrator's driven
sessions alike.
What to do
- Read
AGENTS.md: the section from## New Sessionsinclusive to the next##heading exclusive. That section is the step list. - Load the standing rules it names first (
.claude/rules/), then execute the protocol, using parallel tool calls wherever it says "dispatch simultaneously". - Emit the structured summary the protocol prescribes: the
## initialized: <project>block (the layer model, a## lifecycle:sub-section fromregistry status-report, theregistry planready/blocked line, the freshness verdicts, recent activity, and a ready-to-help line).
This dispatcher deliberately does not duplicate the step list: AGENTS.md
is the single source of truth. Evolve the protocol by editing AGENTS.md,
never this file, so every agent stays in sync.
Rules
- The protocol's governed reads go through the
spec-spineinvocationAGENTS.mdnames. Ifspec-spine --versionfails, run/setupfirst (an in-tree build ifAGENTS.mdsays the binary is built from source); never fall back to parsing.derived/by hand. /initreports, it does not mutate:spec-spine compile --checkandspec-spine index checkare the freshness reads, never a barecompileorindex. A stale verdict is reported with the shards it names and the session continues; repairing the tree is the session's later, committed work, not a side effect of reading it.- A binary older than the checkout rejects
--checkwith exit 2, the same code as "stale". Read stderr:unexpected argumentmeans rebuild or reinstall the pinned version, not phantom drift. - A file the protocol names but cannot find is logged as "not found" and the protocol continues.
Project layer
Nothing in this file is project-specific. The project name, the binary
invocation, the read list, and the summary shape all come from
AGENTS.md.
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.
- yesterday First seen · 53 lines · 27 tokens per session scan A bb72008c7da7
init is a skill published in the GitHub repository statecrafting/spec-spine (10 stars, last pushed yesterday), licensed Apache-2.0. It adds 27 tokens to every session and 568 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 2026-09-07.
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