pull-main

A procedure for switching to the main Git branch and downloading its latest changes from the remote repository.

In plain words
What is it for?
For updating main, pruning old remote references, and reporting what changed.
Why use it?
It helps ensure the local main branch matches the shared version and removes stale remote-branch references.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/dyoshikawa/rulesync/pull-main
Any agent
npx skills add dyoshikawa/rulesync --skill pull-main
Clone the repo
git clone --depth 1 https://github.com/dyoshikawa/rulesync

Made for: Claude Code, Codex.

Per session 33 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 231 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00033 $0.00231
Opus 5 $0.00016 $0.00115
Sonnet 5 $0.00007 $0.00046
Haiku 4.5 $0.00003 $0.00023

Measured 2d ago against content hash 03e9e6fe9491, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

pull-main 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.

.rulesync/skills/pull-main/SKILL.md · 47 lines

What it actually says

Pull Main

Switch to the main branch and pull the latest changes from origin/main while pruning stale remote-tracking references.

Step 1: Inspect Current State

Check the current branch:

git branch --show-current

If already on main, note it for the final report.

Step 2: Switch to Main

Switch to the main branch:

git switch main

Step 3: Pull with Prune

Pull the latest changes from origin/main with --prune to remove stale remote-tracking branches:

git pull --prune

Step 4: Report Result

Summarize the operation:

  • Whether a branch switch occurred
  • Number of commits pulled (fast-forward or merge)
  • Any stale remote-tracking branches that were pruned
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. 2d ago First seen · 47 lines · 33 tokens per session scan A 03e9e6fe9491

Subscribe to this mod's changes

pull-main is a skill published in the GitHub repository dyoshikawa/rulesync (1,373 stars, last pushed yesterday), licensed MIT. It adds 33 tokens to every session and 231 once invoked, about $0.0002 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 2026-08-30.

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