Borrowing it
Nothing to install: this file belongs to koshimazaki/UE-AUDIO-MCP. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/koshimazaki/UE-AUDIO-MCP/master/.claude/skills/ue5-audio-mcp/SKILL.mdgit clone --depth 1 https://github.com/koshimazaki/UE-AUDIO-MCPWrote 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/koshimazaki/ue-audio-mcp/ue5-audio-mcp)<a href="https://agentmods.dev/skills/koshimazaki/ue-audio-mcp/ue5-audio-mcp"><img src="https://agentmods.dev/badge/skills/koshimazaki/ue-audio-mcp/ue5-audio-mcp/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/koshimazaki/ue-audio-mcp/ue5-audio-mcp"><img src="https://agentmods.dev/badge/skills/koshimazaki/ue-audio-mcp/ue5-audio-mcp.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 | $0.00070 | $0.03484 |
| Opus 5.5 | $0.00028 | $0.01394 |
| Sonnet 5.5 | $0.00014 | $0.00697 |
| Haiku 4.5 | $0.00007 | $0.00348 |
Grade A, and why
ue5-audio-mcp 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 1mo 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 — 210 lines — stays where its author put it; the contents beside it link to each section on GitHub.
UE Audio MCP Plugin — TCP Control
Drive the C++ TCP server inside Unreal Editor. Each command is flat JSON (action plus its params at the top level), framed with a 4-byte big-endian length prefix, on 127.0.0.1:9877. Commands run on the game thread.
Connection
# Python SDK
from ue_audio_mcp.ue5_connection import get_ue5_connection
conn = get_ue5_connection()
resp = conn.send_command({"action": "ping"})
# Raw TCP
python3 -c "
import socket, struct, json
s = socket.socket(); s.settimeout(5); s.connect(('127.0.0.1', 9877))
p = json.dumps({'action':'ping'}).encode()
s.sendall(struct.pack('>I', len(p)) + p)
r = s.recv(4); l = struct.unpack('>I', r)[0]; print(json.loads(s.recv(l)))
"
Commands
The plugin registers 48 commands. Params marked ? are optional, with defaults in parentheses; every response also carries status (and message on errors). The source of truth is the RegisterCommand calls in ue5_plugin/UEAudioMCP/Source/UEAudioMCP/Private/UEAudioMCPModule.cpp; each command reads its params in Private/Commands/*.cpp.
System
| Command | Params | Returns |
|---|---|---|
ping |
— | engine, version, project, features |
Builder lifecycle
| Command | Params | Returns |
|---|---|---|
create_builder |
asset_type (Source/Patch/Preset), name | asset_type, name |
add_interface |
interface | — |
Graph I/O
| Command | Params | Returns |
|---|---|---|
add_graph_input |
name, type, default? | name, type |
add_graph_output |
name, type | name, type |
Nodes
| Command | Params | Returns |
|---|---|---|
add_node |
id, node_type, position? [x,y] | id, node_type |
set_default |
node_id, input, value | node_id, input |
connect |
from_node, from_pin, to_node, to_pin | from_node, from_pin, to_node, to_pin |
Build, audition & editor
| Command | Params | Returns |
|---|---|---|
build_to_asset |
name, path | name, path |
audition |
name? | — |
stop_audition |
— | — |
open_in_editor |
— | — |
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.
- 1mo ago Changed · +40 lines · +15 tokens per session e97d6badf93e
- 2mo ago First seen · 170 lines · 55 tokens per session scan A b9b463c36d2e
ue5-audio-mcp is a skill published in the GitHub repository koshimazaki/UE-AUDIO-MCP (7 stars, last pushed 1mo ago), licensed MIT. It adds 70 tokens to every session and 3,484 once invoked, about $0.0003 per session on Opus 5.5. 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 2026-08-31.
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