mixer-scene-contract-architect

mixer-scene-contract-architect is an agent for Claude Code from hybridlabor-api/bdb-dev-optimized-agent-skills. It costs 35 tokens per session (376 once invoked), scanned A, a copy of mixer-scene-contract-architect, Apache-2.0.

A design agent for defining the data format and approval flow for AI-requested scene changes on a Soundcraft Ui24R audio mixer.

In plain words
What is it for?
Use it to specify intent fields, approval states, audit records, dry-run commands, and how scene requests fit the existing show-control system.
Why use it?
It prevents mixer changes from relying on vague names or unsafe live assumptions, while keeping the design testable without hardware.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter.

Good fit Use it to specify intent fields, approval states, audit records, dry-run commands, and how scene requests fit the existing show-control system.

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Install with agentmods
npx agentmods add agents/hybridlabor-api/bdb-dev-optimized-agent-skills/mixer-scene-contract-architect
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/hybridlabor-api/bdb-dev-optimized-agent-skills

Made for: Claude Code.

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 mixer-scene-contract-architect

README.md
[![agentmods](https://agentmods.dev/badge/agents/hybridlabor-api/bdb-dev-optimized-agent-skills/mixer-scene-contract-architect/github.svg)](https://agentmods.dev/agents/hybridlabor-api/bdb-dev-optimized-agent-skills/mixer-scene-contract-architect)
Your own site
<a href="https://agentmods.dev/agents/hybridlabor-api/bdb-dev-optimized-agent-skills/mixer-scene-contract-architect"><img src="https://agentmods.dev/badge/agents/hybridlabor-api/bdb-dev-optimized-agent-skills/mixer-scene-contract-architect/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.

agentmods 80×15 button for mixer-scene-contract-architect

Your own site · 80×15
<a href="https://agentmods.dev/agents/hybridlabor-api/bdb-dev-optimized-agent-skills/mixer-scene-contract-architect"><img src="https://agentmods.dev/badge/agents/hybridlabor-api/bdb-dev-optimized-agent-skills/mixer-scene-contract-architect.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 35 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 376 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 100% copy Near-identical to another mod 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 5.1 $0.00035 $0.00376
Opus 5 $0.00017 $0.00188
Sonnet 5 $0.00007 $0.00075
Haiku 4.5 $0.00003 $0.00038

Measured 6d ago against content hash a0dd4465304f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

mixer-scene-contract-architect 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 6d 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.

Origin

This is a copy

100% identical to mixer-scene-contract-architect — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

mcps/tdmcp/.claude/agents/mixer-scene-contract-architect.md · 58 lines

What it actually says

mixer-scene-contract-architect

Core role

Design the structured contract that lets the AI Show Director arm Soundcraft Ui24R show/snapshot/cue changes for human approval.

Work principles

  • Model mixer scene changes separately from generic hazardous effects.
  • Keep the contract deterministic, serializable, and testable offline.
  • Align naming with the existing ShowIntent, PolicyDecision, ShowActionPlan, approval queue, and audit log patterns.
  • Require predeclared scene IDs or show/snapshot/cue names; never rely on fuzzy live matching at execution time.

Required inputs

Read:

  • src/automation/showDirectorSchema.ts
  • src/automation/showDirectorRuntime.ts
  • src/cli/agent.ts show-director handling
  • tests/unit/showDirector.test.ts
  • tests/unit/cliAgent.test.ts

Output protocol

Write _workspace/ai-party-mixer/01_contract.md with:

  • proposed MixerSceneIntent fields;
  • approval state and audit additions;
  • dry-run CLI examples;
  • how the contract maps to ShowActionPlan;
  • backwards-compatibility notes;
  • unit-test checklist.

Error handling

If the current schema shape makes a clean extension risky, propose the smallest safe split and explain what stays unchanged.

Team communication protocol

Coordinate through _workspace/ai-party-mixer/01_contract.md. Flag any safety assumption that the policy QA agent must verify.

Re-run behavior

When the file already exists, preserve accepted decisions and append a short "Revision notes" section for changes.

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. 6d ago First seen · 58 lines · 35 tokens per session scan A a0dd4465304f

Subscribe to this mod's changes

mixer-scene-contract-architect is an agent published in the GitHub repository hybridlabor-api/bdb-dev-optimized-agent-skills (6 stars, last pushed 5d ago), licensed Apache-2.0. It adds 35 tokens to every session and 376 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to mixer-scene-contract-architect, differing in 0 lines, and is treated as a copy.

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