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duckdb-r: Skill for Claude Code

.claude/skills/series-rebase/SKILL.md

series-rebase is a skill for Claude Code from duckdb/duckdb-r. It costs 60 tokens per session (1,849 once invoked), scanned A, original, no licence file.

A Git workflow for rebasing a forward-copy series onto a newer main branch within the same line of development. Rebasing reapplies a branch's changes on top of a different starting point.

In plain words
What is it for?
It is for rebasing a series or a forward series onto a newer mainline in its own lineage.
Why use it?
It distinguishes an in-line rebase from forwarding a series across separate lines of development. This helps update the correct branch history without using the wrong operation.

Skill for Claude Code ✓ vendor

Written for Claude Code: installed under .claude/.

This is duckdb/duckdb-r's own configuration. It tells Claude Code how to work on duckdb-r itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything duckdb-r configures →

not rated 231repo +1 changed 16d ago A scan 60 tokens custom licence
View source ↗ duckdb/duckdb-r r.duckdb.org
Reuse

Borrowing it

Nothing to install: this file belongs to duckdb/duckdb-r. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/duckdb/duckdb-r/main/.claude/skills/series-rebase/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/duckdb/duckdb-r

Made for: Claude Code.

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 series-rebase

README.md
[![agentmods](https://agentmods.dev/badge/skills/duckdb/duckdb-r/series-rebase/github.svg)](https://agentmods.dev/skills/duckdb/duckdb-r/series-rebase)
Your own site
<a href="https://agentmods.dev/skills/duckdb/duckdb-r/series-rebase"><img src="https://agentmods.dev/badge/skills/duckdb/duckdb-r/series-rebase/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 series-rebase

Your own site · 80×15
<a href="https://agentmods.dev/skills/duckdb/duckdb-r/series-rebase"><img src="https://agentmods.dev/badge/skills/duckdb/duckdb-r/series-rebase.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 60 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,849 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 unknown 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 $0.00060 $0.01849
Opus 5.5 $0.00024 $0.00740
Sonnet 5.5 $0.00012 $0.00370
Haiku 4.5 $0.00006 $0.00185

Measured 16d ago against content hash 059ac4e5ed72, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

series-rebase 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 16d 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.

.claude/skills/series-rebase/SKILL.md · 171 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

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. 16d ago Changed · +4 lines 059ac4e5ed72
  2. 1mo ago First seen · 167 lines · 60 tokens per session scan A 72a548f9301e

Subscribe to this mod's changes

series-rebase is a skill published in the GitHub repository duckdb/duckdb-r (231 stars, last pushed 14d ago), with no licence file. It adds 60 tokens to every session and 1,849 once invoked, about $0.0002 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 2026-09-13.

DatabasesGit and workflowduckdbolapr
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