Agent skill

New Diagram

by pedrohcgs in pedrohcgs/claude-code-my-workflow

Scaffold a new TikZ diagram from the snippet gallery with prevention rules pre-applied (explicit node dimensions, coordinate map, directional edge labels).

MITAuto-check: notesResearch & Science

Install New Diagram

skills CLI

$ npx skills add pedrohcgs/claude-code-my-workflow --skill new-diagram -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI

$ gh skill install pedrohcgs/claude-code-my-workflow new-diagram --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy

$ git clone --depth 1 https://github.com/pedrohcgs/claude-code-my-workflow.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/new-diagram .claude/skills/new-diagram && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Paste into Claude Code

Install the "new-diagram" agent skill from https://github.com/pedrohcgs/claude-code-my-workflow/tree/main/.claude/skills/new-diagram into .claude/skills/new-diagram/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "new-diagram", then confirm the skill loads.

Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

$skill-installer

$skill-installer install https://github.com/pedrohcgs/claude-code-my-workflow/tree/main/.claude/skills/new-diagram

Type this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.

skills CLI

$ npx skills add pedrohcgs/claude-code-my-workflow --skill new-diagram -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install pedrohcgs/claude-code-my-workflow new-diagram --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/pedrohcgs/claude-code-my-workflow.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.claude/skills/new-diagram .agents/skills/new-diagram && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "new-diagram" agent skill from https://github.com/pedrohcgs/claude-code-my-workflow/tree/main/.claude/skills/new-diagram into .agents/skills/new-diagram/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "new-diagram", then confirm the skill loads.

Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add pedrohcgs/claude-code-my-workflow --skill new-diagram -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install pedrohcgs/claude-code-my-workflow new-diagram --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/pedrohcgs/claude-code-my-workflow.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.claude/skills/new-diagram .cursor/skills/new-diagram && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "new-diagram" agent skill from https://github.com/pedrohcgs/claude-code-my-workflow/tree/main/.claude/skills/new-diagram into .cursor/skills/new-diagram/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "new-diagram", then confirm the skill loads.

Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

gemini skills install

$ gemini skills install https://github.com/pedrohcgs/claude-code-my-workflow.git --path .claude/skills/new-diagram

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add pedrohcgs/claude-code-my-workflow --skill new-diagram -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install pedrohcgs/claude-code-my-workflow new-diagram --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/pedrohcgs/claude-code-my-workflow.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.claude/skills/new-diagram .gemini/skills/new-diagram && rm -rf skills-src

Use ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.

Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/

Paste into Gemini CLI

Install the "new-diagram" agent skill from https://github.com/pedrohcgs/claude-code-my-workflow/tree/main/.claude/skills/new-diagram into .gemini/skills/new-diagram/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "new-diagram", then confirm the skill loads.

Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

GitHub CLI

$ gh skill install pedrohcgs/claude-code-my-workflow new-diagram

Installs for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).

skills CLI

$ npx skills add pedrohcgs/claude-code-my-workflow --skill new-diagram -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/pedrohcgs/claude-code-my-workflow.git skills-src && mkdir -p .github/skills && cp -r skills-src/.claude/skills/new-diagram .github/skills/new-diagram && rm -rf skills-src

Use ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.

GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/

Paste into GitHub Copilot

Install the "new-diagram" agent skill from https://github.com/pedrohcgs/claude-code-my-workflow/tree/main/.claude/skills/new-diagram into .github/skills/new-diagram/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "new-diagram", then confirm the skill loads.

GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add pedrohcgs/claude-code-my-workflow --skill new-diagram -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install pedrohcgs/claude-code-my-workflow new-diagram --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/pedrohcgs/claude-code-my-workflow.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.claude/skills/new-diagram .opencode/skills/new-diagram && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "new-diagram" agent skill from https://github.com/pedrohcgs/claude-code-my-workflow/tree/main/.claude/skills/new-diagram into .opencode/skills/new-diagram/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "new-diagram", then confirm the skill loads.

OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

Facts

Skill name: new-diagram
GitHub stars: 1.7k
Token cost: ~1.8k tokens
SKILL.md length: 758 words
Files: 1
Skills in repo: 59
Repo updated: Sep 27, 2026
First seen: Oct 7, 2026
Licence: MIT

At a glance

Scaffold a new TikZ diagram from the snippet gallery with prevention rules pre-applied (explicit node dimensions, coordinate map, directional edge labels).

Works in 9 steps: Pick a snippet → Copy the snippet to the output path → Edit the content to fit the user's intent → …
Tasks that involve Diagrams
SKILL.md covers Inputs, Workflow, Why start from a snippet? and Cross-references
Calls python3

What it does

New Diagram is an agent skill from pedrohcgs/claude-code-my-workflow. Scaffold a new TikZ diagram from the snippet gallery with prevention rules pre-applied (explicit node dimensions, coordinate map, directional edge labels). Compiles standalone, invokes tikz-reviewer with citations from tikz-measurement.md, and loops on revisions until APPROVED.

Its SKILL.md is about 1.8k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Research & Science, covering Diagrams and Citation management. The repository describes itself as: A ready-to-fork Claude Code template for academics using LaTeX/Beamer + R. Multi-agent review, quality gates, adversarial QA, and replication protocols. The licence is MIT.

When your agent uses it

Tasks that involve Diagrams
Tasks that involve Citation management

Example prompts

“/new-diagram”

Requirements

Python 3
Pre-approved tools (allowed-tools): Read, Write, Edit, Bash, Glob, Agent, Task

Workflow steps

9 steps, taken from the step headings in SKILL.md.

Pick a snippet
Copy the snippet to the output path
Edit the content to fit the user's intent
Prevention pre-check (MANDATORY)
Standalone compile
Visual review via tikz-reviewer
Optional — convert to SVG for Quarto
Clean up build artifacts
Report

What it can do on your machine

Read from SKILL.md and the folder at commit ae72617. It shows what the files ask for, not the result of running them.

Tool permissions
Pre-approves these tools, so the agent can use them without asking each time:
- Read
- Write
- Edit
- Bash
- Glob
- Agent
- Task
From allowed-tools in the SKILL.md frontmatter.
Runs code
Shell commands in SKILL.md call:
- python3
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

New Diagram loads about 1.8k tokens when it runs. Until then it costs about 73 tokens; SKILL.md has 758 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~73
When it runs · the whole SKILL.md, loaded when a task matches: ~1.8k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
```
allowed-tools: Read, Write, Edit, Bash, Glob, Agent, Task
```

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from pedrohcgs/claude-code-my-workflow at commit ae72617, republished under its MIT licence (© pedrohcgs). 758 words, ~1,770 tokens.

Download SKILL.mdSave it as .claude/skills/new-diagram/SKILL.md (or your agent's skills folder).

name: new-diagram
description: Scaffold a new TikZ diagram from the snippet gallery with prevention rules pre-applied (explicit node dimensions, coordinate map, directional edge labels). Compiles standalone, invokes tikz-reviewer with citations from tikz-measurement.md, and loops on revisions until APPROVED.
allowed-tools: Read, Write, Edit, Bash, Glob, Agent, Task
argument-hint: [snippet-name] [output.tex] (both optional; interactive if omitted)
disable-model-invocation: true

Create a New TikZ Diagram

Scaffold a diagram from templates/tikz-snippets/, check it against the prevention rules, compile standalone, run the reviewer with measurement citations, and loop until the diagram passes. Use this instead of writing TikZ from scratch; the snippets embed the invariants that tikz-prevention.md requires.

Inputs

$0 (optional) — snippet name (without .tex). One of the filenames in templates/tikz-snippets/. If omitted, list the gallery and ask the user to pick.
$1 (optional) — output path. Defaults to Figures/new_diagram.tex — ask the user if this target exists so we don't clobber.

Workflow

Step 1: Pick a snippet

bash

ls -1 templates/tikz-snippets/*.tex

Current gallery (see templates/tikz-snippets/README.md for descriptions):

dag-basic — 3-node causal DAG (X → Y with confounder U)
dag-mediation — X → M → Y with direct path
did-two-period — two-period difference-in-differences
event-study — event-time coefficients with 95% CIs
timeline — horizontal timeline with staggered events
regression-scatter — scatter + OLS fit + confidence band
flowchart-3step — vertical flow with decision diamond
supply-demand — supply/demand with shifted demand

If $0 is not one of these, or is omitted, ask the user which to use.

Step 2: Copy the snippet to the output path

bash

SRC="templates/tikz-snippets/$0.tex"
DST="${1:-Figures/new_diagram.tex}"

# Confirm before overwriting
if [ -f "$DST" ]; then
  echo "Output path already exists: $DST"
  # Ask the user whether to overwrite. Do NOT clobber silently.
fi

mkdir -p "$(dirname "$DST")"
cp "$SRC" "$DST"

Step 3: Edit the content to fit the user's intent

Ask the user what the diagram should show. Edit $DST with the Edit tool:

Update the comment block at the top so the intent sentence matches the user's goal.
Update the coordinate map comment if coordinates change.
Rename nodes and edit labels. Keep node style (dag-node, flow-node, etc.) unless the meaning actually changes.
Do not add a bare scale=X to the tikzpicture options. Coordinates shrink, text does not — collisions follow. Allowed forms: scale=X, every node/.style={scale=X} or scale=X, transform shape. See tikz-prevention.md P3 for the full rule and tikz-visual-quality.md for the scale=1.1 convention.
Every new edge label must carry a directional keyword (above, below, left, right, above left, etc.). midway alone is a path position, not a direction — P4 violation.

Step 4: Prevention pre-check (MANDATORY)

Run the same shared Python checker /extract-tikz uses — this is the one tool that enforces both P3 and P4 consistently across the two skills:

bash

python3 scripts/check-tikz-prevention.py "$DST"

Exit 0 → passed, continue.
Exit 1 → violations (stderr reports line, rule, snippet). Fix $DST and re-run until zero.
Exit 2 → usage error (missing file etc.).

Do NOT re-implement the grep inline. The Python checker correctly handles multi-line \begin{tikzpicture}[...] options and multi-line \draw ... node {...} spans that a line-oriented grep cannot see.

Step 5: Standalone compile

All snippets are \documentclass[border=4pt]{standalone} so they compile without a Beamer frame and without Preambles/header.tex:

bash

cd "$(dirname "$DST")"
xelatex -interaction=nonstopmode "$(basename "$DST")" > /tmp/tikz-compile.log 2>&1

Check exit code and *.pdf file size. If compile fails, read /tmp/tikz-compile.log and fix the .tex source.

Show full SKILL.md (337 more words)Show less

Step 6: Visual review via tikz-reviewer

Spawn the tikz-reviewer agent with Task (subagent_type=tikz-reviewer). Pass the .tex source and the compiled .pdf path. The reviewer is now required to cite the pass and formula from tikz-measurement.md for every CRITICAL/MAJOR finding — vague reports are rejected.

Loop:

If APPROVED → go to Step 7.
If NEEDS REVISION or REJECTED → apply fixes to $DST, re-run Step 4 (prevention pre-check), re-compile (Step 5), re-invoke reviewer.

Max 5 rounds. If after 5 rounds the reviewer is still reporting CRITICAL issues, surface the situation to the user — the snippet or the requested content may need redesign, not just tweaking.

Step 7: Optional — convert to SVG for Quarto

If the user plans to use the diagram in Quarto slides (not just Beamer), convert the compiled PDF to SVG:

bash

pdf2svg "${DST%.tex}.pdf" "${DST%.tex}.svg" 1

Snippet-based diagrams are single-page, so a single .svg with the same basename as .tex is correct here. This differs from /extract-tikz, which produces a multi-page PDF from a Figures/LectureN/extract_tikz.tex master and names outputs tikz_exact_00.svg, tikz_exact_01.svg, ... (0-based filenames over 1-indexed PDF pages). If you need multi-page output for slide-by-slide reveals, use /extract-tikz instead.

Step 8: Clean up build artifacts

bash

cd "$(dirname "$DST")"
rm -f *.aux *.log *.out *.synctex.gz

Leave the .pdf and .svg (if generated). They're what downstream tools use.

Step 9: Report

Print a summary:

Snippet used → output path
Reviewer verdict and number of rounds
.pdf size and page count
.svg path if generated
Reminder to \input or \includegraphics the diagram in the target Beamer/Quarto file

Why start from a snippet?

Writing TikZ from scratch reliably produces collisions because the author cannot visually estimate where curves and labels will land. The snippets embed the invariants that tikz-prevention.md requires — coordinate maps, explicit node dimensions, directional edge labels — so the diagram passes the prevention pre-check by construction. You can always deviate from the snippet; the rules still apply.

Cross-references

.claude/rules/tikz-prevention.md — the P1–P6 authoring rules.
.claude/rules/tikz-measurement.md — the six-pass protocol with formulas the reviewer cites.
.claude/rules/tikz-visual-quality.md — general visual standards.
.claude/skills/extract-tikz/SKILL.md — for pulling TikZ out of an existing Beamer deck instead of creating new.
templates/tikz-snippets/README.md — gallery inventory and adaptation guide.

Files

Just SKILL.md in .claude/skills/new-diagram of pedrohcgs/claude-code-my-workflow.

Open the folder on GitHubat commit ae72617

Compare with similar skills

New Diagram next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

New Diagram compared with similar skills
Skill	Stars	Used in	Tokens	Auto-check	Licence	Repo updated
New Diagram this skillpedrohcgs/claude-code-my-workflow	1.7k	—	~1.8k	Automated safety check: Notes	MIT	13 days ago
Paper Analyzerzsyggg/paper-craft-skills	1.3k	—	~1.9k	Automated safety check: Pass	None	4 mo ago
Academic Paper Writing PipelineImbad0202/academic-research-skills	51k	—	~16k	Automated safety check: Pass	Custom licence	yesterday
Collaborating With Claudeappautomaton/latex-arxiv-SKILL	458	1 repos	~1.5k	Automated safety check: Pass	MIT	27 days ago
Collaborating With Geminiappautomaton/latex-arxiv-SKILL	458	1 repos	~1.1k	Automated safety check: Pass	MIT	27 days ago
Academic Integrity Rewritelin1111-1/academic-integrity-rewrite	102	—	~1.1k	Automated safety check: Pass	MIT	1 mo ago

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Questions about New Diagram

What does New Diagram do?

Scaffold a new TikZ diagram from the snippet gallery with prevention rules pre-applied (explicit node dimensions, coordinate map, directional edge labels). New Diagram is an agent skill from pedrohcgs/claude-code-my-workflow. Scaffold a new TikZ diagram from the snippet gallery with prevention rules pre-applied (explicit node dimensions, coordinate map, directional edge labels).

When should I use New Diagram?

New Diagram fits situations like: tasks that involve Diagrams; tasks that involve Citation management.

How do I install New Diagram in Claude Code?

Run `npx skills add pedrohcgs/claude-code-my-workflow --skill new-diagram -a claude-code`. Or copy the skill folder (.claude/skills/new-diagram in pedrohcgs/claude-code-my-workflow) into .claude/skills/new-diagram in your project. Claude Code loads it when a task matches its description.

How do I install New Diagram in Codex?

Run `npx skills add pedrohcgs/claude-code-my-workflow --skill new-diagram -a codex`. Or copy the skill folder (.claude/skills/new-diagram in pedrohcgs/claude-code-my-workflow) into .agents/skills/new-diagram in your project. Codex loads it when a task matches its description.

Can I use New Diagram in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add pedrohcgs/claude-code-my-workflow --skill new-diagram -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/new-diagram, .gemini/skills/new-diagram, .github/skills/new-diagram and .opencode/skills/new-diagram in your project.

What does New Diagram need to run?

Going by SKILL.md and its folder, New Diagram needs the command-line tools its instructions call (python3). Our summary lists: Python 3. Its frontmatter pre-approves these tools: Read, Write, Edit, Bash, Glob, Agent, Task.

Does New Diagram access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is New Diagram safe to install?

Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does New Diagram use?

New Diagram is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does New Diagram use?

About 1.8k tokens (SKILL.md is roughly 7.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to New Diagram?

Skills that share tags, products or a category with New Diagram: Paper Analyzer (zsyggg/paper-craft-skills, 1.3k stars), Academic Paper Writing Pipeline (Imbad0202/academic-research-skills, 51k stars), Collaborating With Claude (appautomaton/latex-arxiv-SKILL, 458 stars) and Collaborating With Gemini (appautomaton/latex-arxiv-SKILL, 458 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains New Diagram?

pedrohcgs (a GitHub user) maintains it in pedrohcgs/claude-code-my-workflow, which has 1,655 GitHub stars. The repository holds 59 skills in this directory. The repository was last updated on September 27, 2026.

Source: pedrohcgs/claude-code-my-workflow on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.

Install New Diagram

Facts

At a glance

What it does

When your agent uses it

Example prompts

Requirements

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Create a New TikZ Diagram

Inputs

Workflow

Step 1: Pick a snippet

Step 2: Copy the snippet to the output path

Step 3: Edit the content to fit the user's intent

Step 4: Prevention pre-check (MANDATORY)

Step 5: Standalone compile

Step 6: Visual review via tikz-reviewer

Step 7: Optional — convert to SVG for Quarto

Step 8: Clean up build artifacts

Step 9: Report

Why start from a snippet?

Cross-references

Files

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