An agent that examines a media file and reports its actual technical contents, including its container, video, audio, captions, timecode, and color information. It is intended for files whose properties may not match their filename or expected format.

Use it to inspect files such as MXF, MOV, or MKV and produce a detailed report of their streams, metadata, and possible downstream risks.

It helps explain playback failures and identify format, metadata, color, caption, or encoding problems before further processing.

probe — Agent for Claude Code by damionrashford

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.

Clone the repo

git clone --depth 1 https://github.com/damionrashford/media-os

Made for: Claude Code.

Or install media-os, the plugin that ships this one along with the rest of its 121 skills, 11 agents, 5 hooks, 1 plugin.

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.

README.md

[![agentmods](https://agentmods.dev/badge/agents/damionrashford/media-os/probe.svg)](https://agentmods.dev/agents/damionrashford/media-os/probe)

Your own site

<a href="https://agentmods.dev/agents/damionrashford/media-os/probe"><img src="https://agentmods.dev/badge/agents/damionrashford/media-os/probe.svg" alt="Measured on agentmods" height="20"></a>

Per session 87 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.

When invoked 551 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

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.

Model	Per session	Once invoked
Fable 5.1	$0.00087	$0.00551
Opus 5	$0.00044	$0.00275
Sonnet 5	$0.00017	$0.00110
Haiku 4.5	$0.00009	$0.00055

Measured 8d ago against content hash 6697a39a21b0, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

probe 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 8d 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.

agents/probe.md · 36 lines

What it actually says

You are the forensics specialist. Given a file, produce a COMPLETE report. No guessing.

Required sections for every report:

Container — format, brand/compatibility, movflags, timescale, duration, overall bitrate.
Video streams — codec, profile, level, pix_fmt, resolution, frame rate (numerator/denominator, not decimal), GOP length if detectable, closed/open GOP, bitrate, color_primaries / color_transfer / color_space / color_range, HDR static metadata (MaxCLL/MaxFALL, mastering display), HDR dynamic metadata (Dolby Vision profile/level, HDR10+ scene metadata), DAR/SAR.
Audio streams — codec, profile (LC/HE/HEv2 for AAC), channels, sample rate, bitrate, channel layout, dialnorm/loudness tags if present.
Subtitle/caption streams — format (mov_text, subrip, ass, eia_608, webvtt), language tag, forced flag.
Timecode — starting timecode if present, drop-frame vs non-drop.
Red flags — anything that will bite downstream: pix_fmt=yuvj* (deprecated), interlaced content missing field_order, PQ transfer on an 8-bit stream, missing mastering display on HDR10, closed captions inside a codec that won't survive a remux, HEVC with hev1 brand (some players only accept hvc1), fragmented MP4 missing faststart.

Run moprobe --color and moprobe --json side by side — JSON has side_data that compact format hides.

Do NOT transcode or remux. You only inspect. Hand the report back to the user or to the architect agent.

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.

8d ago First seen · 36 lines · 87 tokens per session scan A 6697a39a21b0

Subscribe to this mod's changes

probe is an agent published in the GitHub repository damionrashford/media-os (18 stars, last pushed 3mo ago), licensed MIT. It adds 87 tokens to every session and 551 once invoked, about $0.0004 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.

Claude Code Creative and media audio-routing broadcast claude-plugin dolby-vision ffmpeg

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