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 skills add damionrashford/media-os --skill webrtc-livekitgit clone --depth 1 https://github.com/damionrashford/media-osWrote 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.
[](https://agentmods.dev/skills/damionrashford/media-os/webrtc-livekit)<a href="https://agentmods.dev/skills/damionrashford/media-os/webrtc-livekit"><img src="https://agentmods.dev/badge/skills/damionrashford/media-os/webrtc-livekit/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/damionrashford/media-os/webrtc-livekit"><img src="https://agentmods.dev/badge/skills/damionrashford/media-os/webrtc-livekit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00243 | $0.03125 |
| Opus 5 | $0.00121 | $0.01563 |
| Sonnet 5 | $0.00049 | $0.00625 |
| Haiku 4.5 | $0.00024 | $0.00313 |
Grade B, and why
webrtc-livekit scanned grade B 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 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.
Asks for rootmediumPrivilege escalation
A mod that escalates privileges can change anything on the machine, not only the project.
The script downloads the correct release from `github.com/livekit/livekit/releases` (server) and `github.com/livekit/livekit-cli/releases` (CLI) for your `uname -sm`, extracts it, and places the binary in `--dest`. No su How it starts
The opening of the file, as written. The whole thing — 274 lines — stays where its author put it; the contents beside it link to each section on GitHub.
webrtc-livekit
Context: $ARGUMENTS
LiveKit is an Apache-2.0 WebRTC SFU written in Go — a single-binary deployment with a vast SDK matrix. Docs home: https://docs.livekit.io/home/. Repo: https://github.com/livekit/livekit.
Quick start
- Install server binary for your platform: → Step 1 (
livekit.py install-server) - Install the CLI (
lk/livekit-cli): → Step 1 (livekit.py install-cli) - Start a dev server: → Step 2 (
livekit.py start) - Mint a JWT access token: → Step 3 (
livekit.py mint-token) - Record or stream-out a room: → Step 5 (
livekit.py egress-start) - Ingest RTMP/WHIP/SRT into a room: → Step 6 (
livekit.py ingress-start)
Data model
Room (per-meeting)
├── Participant (per-user)
│ ├── TrackPublication (the publisher's declaration)
│ │ └── Track (camera / mic / screen-share / data)
│ └── Permissions (from JWT grants)
└── Metadata (free-form, room-wide or per-participant)
Tokens are JWT (HS256). Each token carries a video grant describing which room and which permissions.
Step 1 — Install the binaries
# Server
uv run ${CLAUDE_SKILL_DIR}/scripts/livekit.py install-server --dest ~/bin
# CLI ("lk", formerly "livekit-cli")
uv run ${CLAUDE_SKILL_DIR}/scripts/livekit.py install-cli --dest ~/bin
The script downloads the correct release from github.com/livekit/livekit/releases (server) and github.com/livekit/livekit-cli/releases (CLI) for your uname -sm, extracts it, and places the binary in --dest. No sudo required if --dest is writable. Homebrew and the official install.sh exist upstream — pick whichever fits your OS.
Step 2 — Start a dev server
uv run ${CLAUDE_SKILL_DIR}/scripts/livekit.py start --dev
--dev launches with a built-in dev API key / secret (devkey / secret) and enabled self-signed TURN on 443. For production, write a YAML config:
# livekit.yaml (abridged — see references/deployment.md for the full set)
port: 7880
bind_addresses: ['']
rtc:
port_range_start: 50000
port_range_end: 60000
tcp_port: 7881
use_external_ip: true
keys:
devkey: secret
redis:
address: redis:6379
What ships with it
3 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.
- 8d ago First seen · 274 lines · 243 tokens per session scan B 92f6cfee7a8d
webrtc-livekit is a skill published in the GitHub repository damionrashford/media-os (19 stars, last pushed 3mo ago), licensed MIT. It adds 243 tokens to every session and 3,125 once invoked, about $0.0012 per session on Opus 5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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