combine-prs

combine-prs is a skill for Claude Code, Codex from drn/dots. It costs 50 tokens per session (1,481 once invoked), scanned A, original, MIT.

A comparison and merge workflow for two pull requests that implement the same feature. A pull request is a proposed set of code changes for review.

In plain words
What is it for?
Use it to compare pull requests or branches, review their differences, and, after approval, combine the chosen changes into one branch.
Why use it?
It helps identify the better parts of competing implementations and combine them while checking that they target the same branch and feature.

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/drn/dots/combine-prs
Any agent
npx skills add drn/dots --skill combine-prs
Clone the repo
git clone --depth 1 https://github.com/drn/dots

Made for: Claude Code, Codex.

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 combine-prs

README.md
[![agentmods](https://agentmods.dev/badge/skills/drn/dots/combine-prs.svg)](https://agentmods.dev/skills/drn/dots/combine-prs)
Your own site
<a href="https://agentmods.dev/skills/drn/dots/combine-prs"><img src="https://agentmods.dev/badge/skills/drn/dots/combine-prs.svg" alt="Measured on agentmods" height="20"></a>
Per session 50 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,481 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 $0.00050 $0.01481
Opus 5 $0.00025 $0.00740
Sonnet 5 $0.00010 $0.00296
Haiku 4.5 $0.00005 $0.00148

Measured 4d ago against content hash 7ed77612b8a7, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

combine-prs 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 4d 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.

agents/skills/combine-prs/SKILL.md · 187 lines

How it starts

The opening of the file, as written. The whole thing — 187 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Arguments

  • $ARGUMENTS - Two PR numbers or branch names to compare (e.g., "230 231" or "#230 #231")

If no arguments are provided, ask the user for two PR numbers.

Context

  • Current branch: !git branch --show-current
  • Git status: !git status --short
  • Repo slug: !gh repo view --json nameWithOwner --jq .nameWithOwner 2>/dev/null | head -1
  • Base ref: !git branch -r 2>/dev/null | grep -oE 'origin/(main|master)' | head -1
  • Remotes: !git remote -v 2>/dev/null | head -6

Your task

Compare two PRs that implement the same feature, analyze strengths and weaknesses, present a comparison, and on approval combine the best parts into one branch.

Step 1: Parse arguments and fetch PR metadata

Extract two PR numbers from the arguments (strip any leading "#" characters). If branch names are given instead, find their associated PRs via gh pr list.

For each PR, fetch metadata:

gh pr view <number> --json number,title,body,headRefName,baseRefName,author,state,additions,deletions,changedFiles

Verify both PRs target the same base branch and address the same feature. If they do not appear related, warn the user and ask whether to proceed.

Step 2: Fetch and analyze both diffs

For each PR, get the full diff:

gh pr diff <number>

Also read the actual changed files from each branch to understand full context (not just diff hunks). Check out each branch temporarily or use git show <branch>:<file> to read files without switching.

Analyze each PR across these dimensions:

  • Files changed - which files each PR touches
  • Lines added/removed - scope of changes
  • Package/module placement - where new code lives, architectural fit
  • Code liveness - is the code wired in and working, or dead/placeholder code
  • Test coverage - what tests exist, what is covered
  • Fail-fast vs graceful fallback - error handling approach
  • API design - interfaces, contracts, extensibility
  • Architectural implications - impact on future work, dependency direction

Read the full file on GitHub · 187 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. 4d ago First seen · 187 lines · 50 tokens per session scan A 7ed77612b8a7

Subscribe to this mod's changes

combine-prs is a skill published in the GitHub repository drn/dots (23 stars, last pushed today), licensed MIT. It adds 50 tokens to every session and 1,481 once invoked, about $0.0003 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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