multi-worktree-file-url-stale-content

multi-worktree-file-url-stale-content is a skill for Claude Code from wan-huiyan/agent-traffic-control. It costs 257 tokens per session (2,172 once invoked), scanned A, original, MIT.

A diagnostic guide for outdated files opened through a browser’s file:// link in a repository with multiple Git worktrees, where each worktree is a separate checkout of a branch.

In plain words
What is it for?
Use it to check which worktree and branch a bookmarked HTML, document, JSON, or PDF file comes from.
Why use it?
It explains why a file can remain old on disk even after the change has been merged into the main branch.

Skill for Claude Code

Written for Claude Code: disable-model-invocation in frontmatter. Also seen: mentions Claude Code.

Part of the agent-traffic-control plugin — 105 skills shipped together

Good fit Use it to check which worktree and branch a bookmarked HTML, document, JSON, or PDF file comes from.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/wan-huiyan/agent-traffic-control/multi-worktree-file-url-stale-content
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 wan-huiyan/agent-traffic-control --skill multi-worktree-file-url-stale-content
Clone the repo
git clone --depth 1 https://github.com/wan-huiyan/agent-traffic-control

Made for: Claude Code.

Or install agent-traffic-control, the plugin that ships this one along with the rest of its 105 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 multi-worktree-file-url-stale-content

README.md
[![agentmods](https://agentmods.dev/badge/skills/wan-huiyan/agent-traffic-control/multi-worktree-file-url-stale-content/github.svg)](https://agentmods.dev/skills/wan-huiyan/agent-traffic-control/multi-worktree-file-url-stale-content)
Your own site
<a href="https://agentmods.dev/skills/wan-huiyan/agent-traffic-control/multi-worktree-file-url-stale-content"><img src="https://agentmods.dev/badge/skills/wan-huiyan/agent-traffic-control/multi-worktree-file-url-stale-content/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 multi-worktree-file-url-stale-content

Your own site · 80×15
<a href="https://agentmods.dev/skills/wan-huiyan/agent-traffic-control/multi-worktree-file-url-stale-content"><img src="https://agentmods.dev/badge/skills/wan-huiyan/agent-traffic-control/multi-worktree-file-url-stale-content.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 257 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,172 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 $0.00257 $0.02172
Opus 5 $0.00129 $0.01086
Sonnet 5 $0.00051 $0.00434
Haiku 4.5 $0.00026 $0.00217

Measured 10d ago against content hash 8fb7822a6d2b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

multi-worktree-file-url-stale-content 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 10d 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.

plugins/agent-traffic-control/skills/multi-worktree-file-url-stale-content/SKILL.md · 142 lines

How it starts

The opening of the file, as written. The whole thing — 142 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Multi-worktree file:// URL stale content

Problem

The user opens a file:// URL pointing to a deliverable / static HTML / docs file in the repo. They see old content. They report "the fix isn't there" or "I still see the thing we removed". They are correct about what they see — but the file IS fixed on origin/main. The disconnect is that the file:// URL doesn't know what git branch is checked out at that path. The browser just reads whatever bytes are on disk.

In a repo with multiple git worktree checkouts, each worktree is on a different branch. The primary checkout at the repo root is also on a branch — usually the last feature branch someone was working on, NOT main. After a PR merges to main, none of the on-disk paths automatically update. The user's bookmark keeps showing the same stale content.

Context / Trigger Conditions

All of:

  • Repo uses git worktrees (git worktree list shows 2+ entries)
  • File in question is a deliverable / static asset / docs file that humans open directly (HTML, MD-rendered-to-HTML, JSON viewer, PDF), not a service-rendered URL
  • User opens it via file:// URL bookmark (not via a running web server, not via VSCode preview)
  • Recent merge to main updated that file
  • User reports the file looks wrong / old / unchanged

Smoking-gun signal: the user-reported file path contains .claude/worktrees/<name>/, worktrees/, .git/worktrees/, or you can see 2+ worktrees via git worktree list and the bookmarked path is one of them.

Solution

Step 1 — confirm the file is actually fixed on main

# 1. Fresh fetch (don't trust cached refs)
git fetch origin main --quiet

# 2. Read the file as it exists on origin/main
git show origin/main:<path-relative-to-repo-root> | grep -c "<the-string-the-user-says-is-still-there>"
# Expect 0 if the fix is in

If the fix IS on main but the user's view doesn't show it → confirmed stale-worktree problem.

Step 2 — identify which worktree the user's URL resolves to

Read the full file on GitHub · 142 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. 10d ago First seen · 142 lines · 257 tokens per session scan A 8fb7822a6d2b

Subscribe to this mod's changes

multi-worktree-file-url-stale-content is a skill published in the GitHub repository wan-huiyan/agent-traffic-control (3 stars, last pushed 5d ago), licensed MIT. It adds 257 tokens to every session and 2,172 once invoked, about $0.0013 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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