vidgrid

vidgrid is a skill for Claude Code, Codex from pawvej/vidgrid. It costs 85 tokens per session (1,454 once invoked), scanned A, original, MIT.

A tool that turns a local video file into a numbered storyboard of frames and, optionally, a spoken transcript. A storyboard is a set of still images arranged with timestamps so an AI can reason about the video.

In plain words
What is it for?
Use it to summarize talks or meetings, find events in screen recordings, read slides or on-screen text, and compare video clips. It accepts local MP4, MOV, and WebM files, not video URLs.
Why use it?
It makes video content readable to an AI assistant that can work with images and text but cannot watch a video directly. The frame numbers and timestamps help locate exact moments.

Skill for Claude CodeCodex

Install

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.

agentmods
npx agentmods add skills/pawvej/vidgrid/agent
Any agent
npx skills add pawvej/vidgrid --skill agent
Clone the repo
git clone --depth 1 https://github.com/pawvej/vidgrid

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for vidgrid

README.md
[![agentmods](https://agentmods.dev/badge/skills/pawvej/vidgrid/agent.svg)](https://agentmods.dev/skills/pawvej/vidgrid/agent)
Your own site
<a href="https://agentmods.dev/skills/pawvej/vidgrid/agent"><img src="https://agentmods.dev/badge/skills/pawvej/vidgrid/agent.svg" alt="Measured on agentmods" height="20"></a>
Per session 85 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,454 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
Origin original No closer match found in the catalogue.
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 $0.00085 $0.01454
Opus 5 $0.00043 $0.00727
Sonnet 5 $0.00017 $0.00291
Haiku 4.5 $0.00009 $0.00145

Measured 3d ago against content hash f801f95b4d2f, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

vidgrid 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 3d ago.

The scan reads SKILL.md. This mod also ships 2 executable files (cli/cli.js, mcp/vidgrid_mcp/__init__.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

curl -X POST https://api.vidgrid.site/v1/render \
agent/SKILL.md · 126 lines

How it starts

The opening of the file, as written. The whole thing — 126 lines — stays where its author put it; the contents beside it link to each section on GitHub.

vidgrid — let an AI watch a video

LLMs can't watch video, but they can read a single image. vidgrid samples one frame per second from a video file, tiles them into a numbered storyboard with timestamps, and (optionally) returns the spoken transcript. The result is close to "my model just watched a video" for the price of a few image uploads.

Each cell is numbered globally (1, 2, 3…) and tagged with its timestamp, so you can point at an exact moment ("the dialog appears at frame 14, ~0:14").

Input is a local video file you provide. vidgrid does not fetch URLs — if you have a link, download it yourself first, then hand the file to vidgrid.

When to use this

  • Summarize a talk / meeting / lecture without anyone watching it
  • Find the moment something happens in a screen recording or bug repro
  • Read on-screen text, UI state, or slides from a video
  • Rank or reject a batch of clips against a shot list
  • Any task where you have a video file and need to reason about its content

Setup (one time)

You need a Vidgrid API key. The user can get one in ~20 seconds at https://vidgrid.site/api (enter an email → click the link → a key vg_live_… with starter credits arrives by email; or buy credits with the slider). Then:

export VIDGRID_API_KEY="vg_live_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"

Credits never expire. 1 render = 1 credit. Failed renders are never charged.

Fastest path — the CLI (zero-install)

npx @vidgridapp/cli clip.mp4                 # → grid.png (+ grid-transcript.txt), prints credits left
npx @vidgridapp/cli talk.mp4 --grid 4x4 --out talk
npx @vidgridapp/cli screen.mov --no-transcribe

npx @vidgridapp/cli <file> uploads the file to the render API and writes the numbered grid PNG(s) next to you. Read the PNG(s) to "watch" the video; combine with the transcript to answer. Needs VIDGRID_API_KEY in the environment.

Or call the API directly

POST https://api.vidgrid.site/v1/rendermultipart file upload:

Read the full file on GitHub · 126 lines

Files

What ships with it

9 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.

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. 3d ago First seen · 126 lines · 85 tokens per session scan A f801f95b4d2f

Subscribe to this mod's changes

vidgrid is a skill published in the GitHub repository pawvej/vidgrid (0 stars, last pushed 2mo ago), licensed MIT. It adds 85 tokens to every session and 1,454 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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