resolve-drift

resolve-drift is a skill for Claude Code from rjroy/vibe-garden. It costs 72 tokens per session (668 once invoked), scanned A, original, MIT.

A tool for checking whether project reference pages still agree with the current source code and tests. This mismatch is called semantic drift: the documentation remains understandable but no longer describes how the software works.

In plain words
What is it for?
Use it to audit indexed reference pages against linked code and tests, report drift, and reconcile pages when needed.
Why use it?
It helps find outdated or contradictory documentation before developers rely on it.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: mentions subagents.

Part of the field-guide plugin — 7 skills shipped together

Good fit Use it to audit indexed reference pages against linked code and tests, report drift, and reconcile pages when needed.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/rjroy/vibe-garden/resolve-drift
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 rjroy/vibe-garden --skill resolve-drift
Clone the repo
git clone --depth 1 https://github.com/rjroy/vibe-garden

Made for: Claude Code.

Or install field-guide, the plugin that ships this one along with the rest of its 7 skills.

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 resolve-drift

README.md
[![agentmods](https://agentmods.dev/badge/skills/rjroy/vibe-garden/resolve-drift/github.svg)](https://agentmods.dev/skills/rjroy/vibe-garden/resolve-drift)
Your own site
<a href="https://agentmods.dev/skills/rjroy/vibe-garden/resolve-drift"><img src="https://agentmods.dev/badge/skills/rjroy/vibe-garden/resolve-drift/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 resolve-drift

Your own site · 80×15
<a href="https://agentmods.dev/skills/rjroy/vibe-garden/resolve-drift"><img src="https://agentmods.dev/badge/skills/rjroy/vibe-garden/resolve-drift.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 72 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 668 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 $0.00072 $0.00668
Opus 5.5 $0.00029 $0.00267
Sonnet 5.5 $0.00014 $0.00134
Haiku 4.5 $0.00007 $0.00067

Measured 17d ago against content hash 1c67cd49561d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

resolve-drift 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 17d 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.

field-guide/skills/resolve-drift/SKILL.md · 79 lines

How it starts

The opening of the file, as written. The whole thing — 79 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Resolve Drift

Check whether reference pages remain useful and whether claims about current behavior match living implementation evidence. Reconcile stale or redundant knowledge without turning historical intent into a mandate.

This is the semantic pass. It is intentionally more expensive than lint.

Inputs

Read indexed pages from .lore/reference/index.md or .lore/reference/index.html.

For each page, read evidence metadata:

  • Markdown: fg-evidence frontmatter
  • HTML: fg-evidence-code, fg-evidence-tests, and fg-evidence-symbols meta tags

Treat fg-sources as provenance, not authority or proof of currency. If evidence is missing, either:

  • run update-evidence first, or
  • audit manually and report that the page needs evidence

Audit Method

For each page:

  1. Extract concrete claims from the prose.
  2. Read the listed code and test evidence.
  3. Search nearby code with rg when the evidence is incomplete.
  4. For claims about current behavior, validate against code/tests and current user direction. Historical rationale may be useful even when code cannot prove it; label it as history, not as an instruction. Decide whether each claim is:
    • current
    • stale prose
    • stale evidence
    • implementation drift from documented intent (report as a fact, not automatic noncompliance)
    • useful historical rationale that cannot be proven from code
    • redundant or no longer useful reference material

Only flag contradictions when code/tests and page make incompatible claims about the same subject. A conflict with an old plan, note, or artifact alone is not drift or a blocker. Current user direction prevails; call out a concrete safety or compatibility consequence when relevant. Do not treat different levels of detail as drift.

Parallel Review

For large wikis, split indexed pages into independent batches and use sub-agents when the user has allowed agent delegation. Each batch should return findings in this format:

Page:
Claim:
Evidence:
Verdict:
Suggested resolution:

Read the full file on GitHub · 79 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. 17d ago Changed · +2 lines 1c67cd49561d
  2. 1mo ago First seen · 77 lines · 72 tokens per session scan A 46f7455634dd

Subscribe to this mod's changes

resolve-drift is a skill published in the GitHub repository rjroy/vibe-garden (6 stars, last pushed 18d ago), licensed MIT. It adds 72 tokens to every session and 668 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 2026-08-31.

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