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Agent skill

PPTX

by rvdbreemen in rvdbreemen/OTGW-firmware

Use this skill any time a .pptx file is involved in any way — as input, output, or both.

ProprietaryAuto-check passedDocuments & Office

Install PPTX

skills CLI
$ npx skills add rvdbreemen/OTGW-firmware --skill pptx -a claude-code

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

GitHub CLI
$ gh skill install rvdbreemen/OTGW-firmware pptx --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/rvdbreemen/OTGW-firmware.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.github/skills/pptx .claude/skills/pptx && 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/

Facts

Skill name
pptx
GitHub stars
207
Used in
35 other repos
Token cost
~2.3k tokens
SKILL.md length
864 words
Files
64 (incl. scripts)
Skills in repo
13
Repo updated
First seen
Licence
Proprietary

At a glance

Use this skill any time a .pptx file is involved in any way — as input, output, or both.

  • Works in 2 steps: Analyze template with thumbnail.py → Unpack → manipulate slides → edit…
  • Ever the user mentions deck
  • SKILL.md covers Quick Reference, Reading Content, Editing Workflow and Creating from Scratch, plus 4 more sections
  • Runs Python scripts from its folder; calls python, pdftoppm and pip

What it does

PPTX is an agent skill from rvdbreemen/OTGW-firmware. Use this skill any time a .pptx file is involved in any way — as input, output, or both. This includes: creating slide decks, pitch decks, or presentations; reading, parsing, or extracting text from any .pptx file (even if the extracted content will be used elsewhere, like in an email or summary); editing, modifying, or updating existing presentations; combining or splitting slide files; working with templates, layouts, speaker notes, or comments. Trigger whenever the user mentions "deck," "slides,"…

Its SKILL.md is about 2.3k tokens, which your agent loads only when the skill is triggered. The skill folder holds 68 other files, including scripts (for example `editing.md`, `pptxgenjs.md` and `scripts/__init__.py`).

It sits in Documents & Office, covering PowerPoint presentations and Slides and decks. It works with Microsoft PowerPoint, Home Assistant and python-pptx. The repository describes itself as: A ESP8266 devkit firmware for the Nodoshop version of the Opentherm Gateway (OTGW).

When your agent uses it

  • Ever the user mentions deck
  • References a .pptx filename
  • Regardless of what they plan to do with the content afterward

Example prompts

  • “slides,”
  • “presentation,”
  • “/pptx”

Requirements

  • Python 3
  • Node.js

Workflow steps

2 steps, taken from the first numbered list in SKILL.md.

  1. Analyze template with thumbnail.py
  2. Unpack → manipulate slides → edit content → clean → pack

What it can do on your machine

Read from SKILL.md and the folder at commit 5e66c3b. 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

    Ships 12 files in scripts/ (Python, from the files we listed), which the agent can run.

    Shell commands in SKILL.md call:

    • python
    • pdftoppm
    • pip
    • npm

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use pip and npm, 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

PPTX loads about 2.3k tokens when it runs. Until then it costs about 173 tokens; SKILL.md has 864 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~173
When it runs · the whole SKILL.md, loaded when a task matches
~2.3k

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); the scripts in this folder are not scanned.

SKILL.md

Its licence (Proprietary) doesn't allow us to republish the file, so here is its outline and opening line. It has 864 words (~2,282 tokens).

name
pptx
license
Proprietary. LICENSE.txt has complete terms

Read the full SKILL.md on GitHub

Files

SKILL.md and 63 other files (scripts) in .github/skills/pptx of rvdbreemen/OTGW-firmware.

  • SKILL.md
  • LICENSE.txt
  • editing.md
  • pptxgenjs.md
  • scripts/__init__.py
  • scripts/add_slide.py
  • scripts/clean.py
  • scripts/office/helpers/__init__.py
  • scripts/office/helpers/merge_runs.py
  • scripts/office/helpers/simplify_redlines.py
  • scripts/office/pack.py
  • scripts/office/schemas/ISO-IEC29500-4_2016/dml-chart.xsd
  • scripts/office/schemas/ISO-IEC29500-4_2016/dml-chartDrawing.xsd
  • scripts/office/schemas/ISO-IEC29500-4_2016/dml-diagram.xsd
  • scripts/office/schemas/ISO-IEC29500-4_2016/dml-lockedCanvas.xsd
  • scripts/office/schemas/ISO-IEC29500-4_2016/dml-main.xsd
  • … and 48 more

Open the folder on GitHubat commit 5e66c3b

Used in 36 other repositories

We found 44 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 35 other GitHub owners. This page covers the copy in rvdbreemen/OTGW-firmware, which our catalogue first saw on October 7, 2026.

Compare with similar skills

PPTX 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.

PPTX compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
PPTX this skillrvdbreemen/OTGW-firmware20735 repos~2.3kAutomated safety check: PassProprietary
PPTX Generatorpoco-ai/poco-claw1.4k4 repos~2kAutomated safety check: PassMIT
PowerPoint Deck Builderpipeshub-ai/pipeshub-ai3.8k—~1.6kAutomated safety check: PassApache-2.0
Python PPTX Generatorsickn33/agentic-awesome-skills47k2 repos~1.1kAutomated safety check: PassMIT
Slides PolishAI4Scientist/nano-scientist1282 repos~7kAutomated safety check: NotesNone
Export PPTXbluzir/claude-code-design106—~433Automated safety check: PassNone

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Works with

Categories

Questions about PPTX

What does PPTX do?

Use this skill any time a .pptx file is involved in any way — as input, output, or both. PPTX is an agent skill from rvdbreemen/OTGW-firmware.pptx file is involved in any way — as input, output, or both.

When should I use PPTX?

PPTX fits situations like: ever the user mentions deck; references a .pptx filename; regardless of what they plan to do with the content afterward.

How do I install PPTX in Claude Code?

Run `npx skills add rvdbreemen/OTGW-firmware --skill pptx -a claude-code`. Or copy the skill folder (.github/skills/pptx in rvdbreemen/OTGW-firmware) into .claude/skills/pptx in your project. Claude Code loads it when a task matches its description.

How do I install PPTX in Codex?

Run `npx skills add rvdbreemen/OTGW-firmware --skill pptx -a codex`. Or copy the skill folder (.github/skills/pptx in rvdbreemen/OTGW-firmware) into .agents/skills/pptx in your project. Codex loads it when a task matches its description.

Can I use PPTX 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 rvdbreemen/OTGW-firmware --skill pptx -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/pptx, .gemini/skills/pptx, .github/skills/pptx and .opencode/skills/pptx in your project.

What does PPTX need to run?

Going by SKILL.md and its folder, PPTX needs Python for the scripts in its folder and the command-line tools its instructions call (python, pdftoppm, pip and npm). Our summary lists: Python 3; Node.js.

Does PPTX access the network?

SKILL.md contains no URLs. Its commands use pip and npm, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is PPTX 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. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does PPTX use?

PPTX carries a proprietary licence (declared in SKILL.md). It is published on GitHub, but it is not open source: read the licence file before using or sharing it.

How many tokens does PPTX use?

About 2.3k tokens (SKILL.md is roughly 9.1k 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 PPTX?

Skills that share tags, products or a category with PPTX: PPTX Generator (poco-ai/poco-claw, 1.4k stars), PowerPoint Deck Builder (pipeshub-ai/pipeshub-ai, 3.8k stars), Python PPTX Generator (sickn33/agentic-awesome-skills, 47k stars) and Slides Polish (AI4Scientist/nano-scientist, 128 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains PPTX?

rvdbreemen (a GitHub user) maintains it in rvdbreemen/OTGW-firmware, which has 207 GitHub stars. The repository holds 13 skills in this directory. The repository was last updated on October 6, 2026.

Source: rvdbreemen/OTGW-firmware on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.