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/sd0xdev/sd0x-harness/merge-prepnpx skills add sd0xdev/sd0x-harness --skill merge-prepgit clone --depth 1 https://github.com/sd0xdev/sd0x-harnessWrote 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.
[](https://agentmods.dev/skills/sd0xdev/sd0x-harness/merge-prep)<a href="https://agentmods.dev/skills/sd0xdev/sd0x-harness/merge-prep"><img src="https://agentmods.dev/badge/skills/sd0xdev/sd0x-harness/merge-prep.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00069 | $0.01389 |
| Opus 5 | $0.00034 | $0.00694 |
| Sonnet 5 | $0.00014 | $0.00278 |
| Haiku 4.5 | $0.00007 | $0.00139 |
Grade A, and why
merge-prep 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 — 200 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Merge Prep — Pre-merge Analysis and Preparation
Analyze source branch vs target branch, detect conflicts, output analysis report with suggested commands. v1 is analysis-only — does not execute merge/commit/push.
When NOT to Use
| Scenario | Use Instead |
|---|---|
| Commit code (not merge) | /smart-commit |
| Merge to main (production) | Manual PR flow |
| Just view diff | git diff <target>..<branch> |
| Rebase or squash | Manual operation |
Input
/merge-prep <source-branch> [--target <branch>]
<source-branch>: Branch to merge (required)--target: Target branch (default:{TARGET_BRANCH}ormain)
Workflow
sequenceDiagram
participant C as Claude
participant U as User
C->>C: Step 1: Validate prerequisites
C->>C: Step 2: Pre-merge analysis
C->>U: Show analysis report
U->>C: Acknowledge
C->>C: Step 3: Conflict analysis (if any)
C->>U: Show conflict details + resolution suggestions
C->>C: Step 4: Generate merge commands
C->>U: Output commands for manual execution
Step 1: Validate Prerequisites
# 1a. Verify source branch exists
git rev-parse --verify <branch>
# 1b. Verify target branch exists
git rev-parse --verify <target>
# 1c. Verify working tree is clean
git status --porcelain
| Check | Failure Action |
|---|---|
| Branch doesn't exist | Halt, list available branches |
| Target not found | Halt, suggest creating it |
| Uncommitted changes | Halt, suggest /smart-commit first |
Step 2: Pre-merge Analysis
Run the analysis script:
bash skills/merge-prep/scripts/pre-merge-check.sh <branch> [target]
Script outputs JSON containing:
merge_base: Common ancestorsource_commits: New commits on source branchtarget_commits: Commits on target that source doesn't havehas_conflicts: Whether conflicts existconflict_files: List of conflict filesfile_stats: Affected file statistics
Display analysis report:
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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 · 200 lines · 69 tokens per session scan A d8825cf56487
merge-prep is a skill published in the GitHub repository sd0xdev/sd0x-harness (188 stars, last pushed today), licensed MIT. It adds 69 tokens to every session and 1,389 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 2026-09-03.
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