Matplotlib
zLanqing/codex-claude-academic-skills
Low-level plotting library for full customization. An agent skill from zLanqing/codex-claude-academic-skills.
This skill should be used when the user invokes "/matplotlib" to plot data from the current context using matplotlib (via uv) and output the resulting image path.
Install Matplotlib
$ npx skills add xenodium/emacs-skills --skill matplotlib -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install xenodium/emacs-skills matplotlib --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/xenodium/emacs-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/matplotlib .claude/skills/matplotlib && rm -rf skills-srcUse ~/.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/
Install the "matplotlib" agent skill from https://github.com/xenodium/emacs-skills/tree/main/skills/matplotlib into .claude/skills/matplotlib/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "matplotlib", 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 install https://github.com/xenodium/emacs-skills/tree/main/skills/matplotlibType 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.
$ npx skills add xenodium/emacs-skills --skill matplotlib -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install xenodium/emacs-skills matplotlib --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/xenodium/emacs-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/matplotlib .agents/skills/matplotlib && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "matplotlib" agent skill from https://github.com/xenodium/emacs-skills/tree/main/skills/matplotlib into .agents/skills/matplotlib/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "matplotlib", 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.
$ npx skills add xenodium/emacs-skills --skill matplotlib -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install xenodium/emacs-skills matplotlib --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/xenodium/emacs-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/matplotlib .cursor/skills/matplotlib && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "matplotlib" agent skill from https://github.com/xenodium/emacs-skills/tree/main/skills/matplotlib into .cursor/skills/matplotlib/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "matplotlib", 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 https://github.com/xenodium/emacs-skills.git --path skills/matplotlib--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add xenodium/emacs-skills --skill matplotlib -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install xenodium/emacs-skills matplotlib --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/xenodium/emacs-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/matplotlib .gemini/skills/matplotlib && rm -rf skills-srcUse ~/.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/
Install the "matplotlib" agent skill from https://github.com/xenodium/emacs-skills/tree/main/skills/matplotlib into .gemini/skills/matplotlib/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "matplotlib", 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.
$ gh skill install xenodium/emacs-skills matplotlibInstalls 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).
$ npx skills add xenodium/emacs-skills --skill matplotlib -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/xenodium/emacs-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/matplotlib .github/skills/matplotlib && rm -rf skills-srcUse ~/.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/
Install the "matplotlib" agent skill from https://github.com/xenodium/emacs-skills/tree/main/skills/matplotlib into .github/skills/matplotlib/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "matplotlib", 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.
$ npx skills add xenodium/emacs-skills --skill matplotlib -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install xenodium/emacs-skills matplotlib --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/xenodium/emacs-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/matplotlib .opencode/skills/matplotlib && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "matplotlib" agent skill from https://github.com/xenodium/emacs-skills/tree/main/skills/matplotlib into .opencode/skills/matplotlib/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "matplotlib", 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
matplotlib- GitHub stars
- 142
- Token cost
- ~690 tokens
- SKILL.md length
- 264 words
- Files
- 1
- Skills in repo
- 19
- Repo updated
- First seen
- Licence
- None found
At a glance
This skill should be used when the user invokes "/matplotlib" to plot data from the current context using matplotlib (via uv) and output the resulting image path.
- Works in 5 steps: Extract or derive plottable data from… → If the Emacs foreground color is not… → Write a Python script to a temporary… → …
- Invokes /matplotlib to plot data from the current context using matplotlib (via uv) and output the resulting image path
- SKILL.md covers How to plot, Python script template and Rules
- Calls uv and pip
What it does
Matplotlib is an agent skill from xenodium/emacs-skills. This skill should be used when the user invokes "/matplotlib" to plot data from the current context using matplotlib (via uv) and output the resulting image path.
Its SKILL.md is about 690 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 Data & Analytics, covering Data visualization. It works with Matplotlib. The repository describes itself as: Emacs skills for coding agents.
When your agent uses it
- Invokes /matplotlib to plot data from the current context using matplotlib (via uv) and output the resulting image path
- Tasks that involve Data visualization
Example prompts
- “/matplotlib”
- “/matplotlib”
Requirements
- Python 3
Workflow steps
5 steps, taken from the first numbered list in SKILL.md.
- Extract or derive plottable data from the current context.
- If the Emacs foreground color is not already known from a previous plot in this session, query it
- Write a Python script to a temporary file using that color.
- Run the script with uv run --with matplotlib.
- Output the result as a markdown image on its own line
What it can do on your machine
Read from SKILL.md and the folder at commit a158238. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
Shell commands in SKILL.md call:
uvpip
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md. Its commands use uv and pip, which can reach the network depending on how they are called.
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
Matplotlib loads about 690 tokens when it runs. Until then it costs about 43 tokens; SKILL.md has 264 words of instructions outside code blocks.
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 passed
The automated check found no risky patterns in SKILL.md.
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
Without a licence we can't republish the file, so here is its outline and opening line. It has 264 words (~690 tokens).
“Plot data from the most recent interaction context using matplotlib. Generate a PNG image with a transparent background and output it as a markdown image so it renders inline.”
- name
- matplotlib
- tools
- Bash
- disable-model-invocation
- true
Files
Just SKILL.md in skills/matplotlib of xenodium/emacs-skills.
Open the folder on GitHubat commit a158238
Compare with similar skills
Matplotlib 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Matplotlib this skillxenodium/emacs-skills | 142 | — | ~690 | Automated safety check: Pass | None | |
| MatplotlibzLanqing/codex-claude-academic-skills | 4.6k | 17 repos | ~2.9k | Automated safety check: Pass | MIT | |
| Scientific Visualizationmims-harvard/OptimusKG | 146 | 19 repos | ~6.3k | Automated safety check: Pass | MIT | |
| SeabornzLanqing/codex-claude-academic-skills | 4.6k | 16 repos | ~4.9k | Automated safety check: Pass | BSD-3-Clause | |
| Plot From DataTrae1ounG/paper-plot-skills | 861 | 1 repos | ~583 | Automated safety check: Pass | None | |
| Scientific Figure MakingChenLiu-1996/figures4papers | 8.1k | — | ~557 | Automated safety check: Pass | Custom licence |
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Scientific Visualization
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Plot From Data
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Generate publication-quality matplotlib figures by selecting a pre-built paper style and substituting user data.
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Related
Works with
Categories
Questions about Matplotlib
What does Matplotlib do?
This skill should be used when the user invokes "/matplotlib" to plot data from the current context using matplotlib (via uv) and output the resulting image path. Matplotlib is an agent skill from xenodium/emacs-skills. This skill should be used when the user invokes "/matplotlib" to plot data from the current context using matplotlib (via uv) and output the resulting image path.
When should I use Matplotlib?
Matplotlib fits situations like: invokes /matplotlib to plot data from the current context using matplotlib (via uv) and output the resulting image path; tasks that involve Data visualization.
How do I install Matplotlib in Claude Code?
Run `npx skills add xenodium/emacs-skills --skill matplotlib -a claude-code`. Or copy the skill folder (skills/matplotlib in xenodium/emacs-skills) into .claude/skills/matplotlib in your project. Claude Code loads it when a task matches its description.
How do I install Matplotlib in Codex?
Run `npx skills add xenodium/emacs-skills --skill matplotlib -a codex`. Or copy the skill folder (skills/matplotlib in xenodium/emacs-skills) into .agents/skills/matplotlib in your project. Codex loads it when a task matches its description.
Can I use Matplotlib 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 xenodium/emacs-skills --skill matplotlib -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/matplotlib, .gemini/skills/matplotlib, .github/skills/matplotlib and .opencode/skills/matplotlib in your project.
What does Matplotlib need to run?
Going by SKILL.md and its folder, Matplotlib needs the command-line tools its instructions call (uv and pip). Our summary lists: Python 3.
Does Matplotlib access the network?
SKILL.md contains no URLs. Its commands use uv and pip, which can reach the network depending on how they are called. This is read from the text; nothing was executed.
Is Matplotlib safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Matplotlib use?
No licence was found for Matplotlib or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.
How many tokens does Matplotlib use?
About 690 tokens (SKILL.md is roughly 2.8k 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 Matplotlib?
Skills that share tags, products or a category with Matplotlib: Matplotlib (zLanqing/codex-claude-academic-skills, 4.6k stars), Scientific Visualization (mims-harvard/OptimusKG, 146 stars), Seaborn (zLanqing/codex-claude-academic-skills, 4.6k stars) and Plot From Data (Trae1ounG/paper-plot-skills, 861 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Matplotlib?
xenodium (a GitHub user) maintains it in xenodium/emacs-skills, which has 142 GitHub stars. The repository holds 19 skills in this directory. The repository was last updated on July 21, 2026.
Source: xenodium/emacs-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.