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.
npx agentmods add skills/chipfighter/coding-discipline/spec-syncnpx skills add chipfighter/coding-discipline --skill spec-syncgit clone --depth 1 https://github.com/chipfighter/coding-disciplineWhat 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 | $0.00120 | $0.00922 |
| Opus 5 | $0.00060 | $0.00461 |
| Sonnet 5 | $0.00024 | $0.00184 |
| Haiku 4.5 | $0.00012 | $0.00092 |
Grade A, and why
spec-sync 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.
How it starts
The opening of the file, as written. The whole thing — 38 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Hard rule: A change confirmed in conversation must not remain only in the conversation. If user-confirmed intent that affects future collaboration or acceptance is not written back to the source of truth in this session, the next session cannot even see that the user changed their mind—intent that was never persisted cannot be recovered.
The decision test (the only test for whether to sync)
If the next session or another agent read only the current source of truth, would it continue toward an outcome the user has rejected, violate a new constraint, or judge completion against stale criteria? If so, the change must be synced.
- Only changes the user has already confirmed belong in the spec; your own inferences and ideas still under discussion do not.
- Before deciding, read the current source of truth at most once to compare. Do not turn this into research.
Write-back rules
- Use the current source of truth already designated by the project—the document named by the project guide.
- If none is designated, designate an existing Issue / PRD / ADR / status document as the current spec; do not copy it into a second document. If there are multiple candidates or none is obvious, ask the user to choose.
- If nothing exists and the work genuinely spans sessions, is shared by multiple people, or would be costly to get wrong, ask whether the user wants a minimal spec (below). The user decides whether to create one; do not create one for work that can be completed within a single session.
- After designating or creating one, put a pointer to the source of truth in the project guide document (the “where to find the current state” entry in
CLAUDE.md/AGENTS.md)—write only the pointer, not a copy of the content—so the next session can find it. - Edit only the affected original wording: do not append separate “old decision / new decision” versions, reorder the document, or polish the whole document along the way. Replace the affected text as a whole only when the direction changes substantially; leave history to Git.
- Do not record execution progress, next steps, or verification evidence. Those belong to the harness / Git / CI, not the spec.
- In multi-person / multi-agent work, workers are read-only by default; the primary agent or owner maintains the spec.
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.
- 2d ago First seen · 38 lines · 120 tokens per session scan A 9b47f8156e9d
spec-sync is a skill published in the GitHub repository chipfighter/coding-discipline (6 stars, last pushed 1mo ago), licensed MIT. It adds 120 tokens to every session and 922 once invoked, about $0.0006 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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