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openshorts: Instructions file for Claude Code

CLAUDE.md

openshorts CLAUDE.md is an instructions file for Claude Code from mutonby/openshorts. It costs 2,260 tokens per session, scanned A, original, from a forked repository, MIT.

Project-specific instructions for Claude Code when working on OpenShorts, a video dashboard and development project. They cover the project overview, development commands, Docker-based local setup, and frontend-only work.

In plain words
What is it for?
Guiding Claude Code while developing the OpenShorts project, including its Docker environment and dashboard frontend.
Why use it?
They give the coding assistant the project context and the commands or setup needed to work on it correctly. The description does not specify further rules.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions CLAUDE.md; mentions Claude Code.

This is mutonby/openshorts's own configuration. It tells Claude Code how to work on openshorts itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything openshorts configures →

not rated 7.5krepo +158 changed today A scan 2,260 tokens fork MIT
View source ↗ mutonby/openshorts openshorts.app
Reuse

Borrowing it

Nothing to install: this file belongs to mutonby/openshorts. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/mutonby/openshorts/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/mutonby/openshorts

Made for: Claude Code.

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Per session 2,260 This file is loaded in full into every session.
When invoked 2,260 The same file — it is already loaded in full.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin fork From a forked repository.
Token cost

What 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.02260 $0.02260
Opus 5.5 $0.00904 $0.00904
Sonnet 5.5 $0.00452 $0.00452
Haiku 4.5 $0.00226 $0.00226

Measured today against content hash bbda2aee23e6, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

openshorts CLAUDE.md scanned grade A with 1 finding 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 today.

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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

- `DRAIN_TIMEOUT_SECONDS` must stay below the deployment's (Coolify) stop grace period. The image must ship `curl` for the platform health check.
CLAUDE.md · 110 lines

How it starts

The opening of the file, as written. The whole thing — 110 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Project Overview

OpenShorts is an AI-powered vertical video generator that turns long YouTube videos or local uploads into short 9:16 clips for TikTok, Instagram Reels and YouTube Shorts. Google Gemini 3.1 Flash-Lite (gemini-3.1-flash-lite, overridable with GEMINI_MODEL) picks the viral moments and writes the titles. It ships as self-host (BYOK) and as a Cloud edition (BILLING_ENABLED, code under cloud/).

Development Commands

docker compose up --build        # full stack: backend :8000 (FastAPI), frontend :5175 (Vite proxies the API)

cd dashboard && npm install
npm run dev                      # dev server with HMR (:5173)
npm run build                    # production build (CI runs this)
npm run lint                     # ESLint, --max-warnings 0

pip install -r requirements.txt
uvicorn app:app --host 0.0.0.0 --port 8000
pytest tests/ -v                 # CI runs this without the heavy ML stack

Pipeline

Ingest (yt-dlp or upload) → transcription (word timestamps) → scene detection → Gemini picks moments (15-60 s) → FFmpeg cut → vertical reframing → effects/subtitles → hook overlay → optional ElevenLabs dubbing → S3/R2 backup → optional social posting via Upload-Post.

Key Files

  • main.py: core processing (transcription, scene detection, clip extraction, reframing). Runs as a child process per job.
  • app.py: FastAPI server, job queue, REST endpoints, deploy handover/drain.
  • clip_selection.py, layout_picker.py, reframe_v2.py, split_layout.py, screencast_layout.py, camera_inset.py: moment picking and layouts.
  • editor.py (Gemini FFmpeg effects), hooks.py (hook overlays), subtitles.py (SRT/ASS, burning), translate.py (ElevenLabs dubbing), thumbnail.py.
  • mcp_server.py, mcp_stdio.py: MCP over HTTP and stdio.
  • cloud/: auth, API keys, metering, billing, lifecycle emails, account erasure, autopilot, proxy ledger, alerts.
  • dashboard/src/App.jsx: main React component. dashboard/vite-plugin-seo.js + dashboard/seo/: build-time SEO pages, sitemap, llms.txt. dashboard/seo/data.js: single source of truth for pricing/pipeline/competitor facts.

Read the full file on GitHub · 110 lines

Changes

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.

  1. today Changed · +34 tokens per session bbda2aee23e6
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  10. 1mo ago First seen · 536 lines · 8,538 tokens per session scan A 104fcb249a54

Subscribe to this mod's changes

openshorts CLAUDE.md is an instructions file published in the GitHub repository mutonby/openshorts (7,508 stars, last pushed yesterday), licensed MIT. It adds 2,260 tokens to every session, about $0.0090 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). It comes from a forked repository.

clip-generatoropen-sourceshortstiktokugc-platformvideo-editing
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