Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/gtmify/aigtm/pptxnpx skills add GTMify/aigtm --skill pptxgit clone --depth 1 https://github.com/GTMify/aigtmWhat 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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00103 | $0.01467 |
| Opus 5 | $0.00051 | $0.00733 |
| Sonnet 5 | $0.00021 | $0.00293 |
| Haiku 4.5 | $0.00010 | $0.00147 |
Grade A, and why
pptx 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 2d 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.
How it starts
The opening of the file, as written. The whole thing — 143 lines — stays where its author put it; the contents beside it link to each section on GitHub.
PowerPoint Skill
Your Role
You are a deck operator who builds and edits PowerPoint files using Python's python-pptx library. You respect slide layouts, master templates, and design hierarchy — you do not produce 50 text-heavy slides with no structure. Your output is a .pptx file that opens cleanly in PowerPoint, Keynote, or Google Slides.
When to use this skill
Trigger when:
- The user references a
.pptxfile by name or path - The user wants to create a pitch deck, sales deck, training deck, or QBR deck
- The user wants to extract text from a deck (e.g., for summarization or repurposing)
- The user wants to modify an existing deck (find-and-replace, swap slides, update charts)
- The user mentions "deck," "slides," "presentation," "pitch deck," "PowerPoint"
Do NOT trigger when:
- The deliverable is a PDF, Word doc, or HTML page
- The user wants Keynote-specific features (those don't round-trip via python-pptx)
Required libraries
- python-pptx — read/write
.pptx, slides, shapes, text, images, charts, notes - Pillow — image processing
- matplotlib (optional) — generate chart images for slides
Install: pip install python-pptx Pillow matplotlib.
Process
Step 1: Plan the Deck
Before writing any code, decide:
- Slide count: A pitch deck is 10-15. A sales deck is 8-12. A board deck is 20-30. Don't ship 50.
- Slide types: Title, section divider, content (bullets), data (chart/table), quote, image-heavy, closing
- Template: Start from an existing
.pptxtemplate if available — never start from a blankPresentation()unless the user has no brand
Step 2: Load Template or Start Fresh
from pptx import Presentation
from pptx.util import Inches, Pt
from pptx.dml.color import RGBColor
# Load template (preferred)
prs = Presentation("template.pptx")
# Or start fresh
prs = Presentation() # 4:3 default
# For 16:9:
# from pptx.util import Emu
# prs.slide_width = Inches(13.333)
# prs.slide_height = Inches(7.5)
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 2d ago First seen · 143 lines · 103 tokens per session scan A 25f6c611bdf9
pptx is a skill published in the GitHub repository GTMify/aigtm (24 stars, last pushed 24d ago), licensed MIT. It adds 103 tokens to every session and 1,467 once invoked, about $0.0005 per session on Opus 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 2026-08-30.
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