claude-skills-reference: snapshot Claude Code skills as reference for Jerry

Five skills copied for Jerry to study how Anthropic structures task-specific guidance for a coding agent. Not Jerry's own skills — examples of the pattern. mermaid/ Anthropic built-in; 18+ diagram types with on-demand references/ caveman/ Plugin: compressed communication mode (3 intensity levels) caveman-commit/ Plugin: conventional-commit message generation caveman-review/ Plugin: compressed PR review comments compress/ Plugin: memory-file compression The worth-borrowing pattern: every SKILL.md has a trigger line, rules, worked examples, and boundaries. Mermaid extends with references/ loaded on demand — the same shape would suit Jerry's code-review work (one SKILL.md plus per-topic references like go-concurrency.md, auth.md). README in the directory explains the layout and how Jerry can use these. — Claude Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-21 04:31:01 +02:00
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+> **Warning**
+>
+> ## THIS IS AN AUTOGENERATED FILE. DO NOT EDIT.
+>
+> ## Please edit the corresponding file in [/packages/mermaid/src/docs/syntax/pie.md](../../packages/mermaid/src/docs/syntax/pie.md).
+
+# Pie chart diagrams
+
+> A pie chart (or a circle chart) is a circular statistical graphic, which is divided into slices to illustrate numerical proportion. In a pie chart, the arc length of each slice (and consequently its central angle and area), is proportional to the quantity it represents. While it is named for its resemblance to a pie which has been sliced, there are variations on the way it can be presented. The earliest known pie chart is generally credited to William Playfair's Statistical Breviary of 1801
+> -Wikipedia
+
+Mermaid can render Pie Chart diagrams.
+
+```mermaid-example
+pie title Pets adopted by volunteers
+    "Dogs" : 386
+    "Cats" : 85
+    "Rats" : 15
+```
+
+```mermaid
+pie title Pets adopted by volunteers
+    "Dogs" : 386
+    "Cats" : 85
+    "Rats" : 15
+```
+
+## Syntax
+
+Drawing a pie chart is really simple in mermaid.
+
+- Start with `pie` keyword to begin the diagram
+  - `showData` to render the actual data values after the legend text. This is **_OPTIONAL_**
+- Followed by `title` keyword and its value in string to give a title to the pie-chart. This is **_OPTIONAL_**
+- Followed by dataSet. Pie slices will be ordered clockwise in the same order as the labels.
+  - `label` for a section in the pie diagram within `" "` quotes.
+  - Followed by `:` colon as separator
+  - Followed by `positive numeric value` (supported up to two decimal places)
+
+**Note:**
+
+> Pie chart values must be **positive numbers greater than zero**.
+> **Negative values are not allowed** and will result in an error.
+
+\[pie] \[showData] (OPTIONAL)
+\[title] \[titlevalue] (OPTIONAL)
+"\[datakey1]" : \[dataValue1]
+"\[datakey2]" : \[dataValue2]
+"\[datakey3]" : \[dataValue3]
+.
+.
+
+## Example
+
+```mermaid-example
+---
+config:
+  pie:
+    textPosition: 0.5
+  themeVariables:
+    pieOuterStrokeWidth: "5px"
+---
+pie showData
+    title Key elements in Product X
+    "Calcium" : 42.96
+    "Potassium" : 50.05
+    "Magnesium" : 10.01
+    "Iron" :  5
+```
+
+```mermaid
+---
+config:
+  pie:
+    textPosition: 0.5
+  themeVariables:
+    pieOuterStrokeWidth: "5px"
+---
+pie showData
+    title Key elements in Product X
+    "Calcium" : 42.96
+    "Potassium" : 50.05
+    "Magnesium" : 10.01
+    "Iron" :  5
+```
+
+## Configuration
+
+Possible pie diagram configuration parameters:
+
+| Parameter      | Description                                                                                                  | Default value |
+| -------------- | ------------------------------------------------------------------------------------------------------------ | ------------- |
+| `textPosition` | The axial position of the pie slice labels, from 0.0 at the center to 1.0 at the outside edge of the circle. | `0.75`        |