foundry-voice-live

foundry-voice-live is a skill for Claude Code, Codex from aiappsgbb/awesome-gbb. It costs 276 tokens per session (11,614 once invoked), scanned A, original, MIT.

A guide to building real-time voice agents on Microsoft Azure AI Foundry, where software can listen and speak during a conversation. It covers moving from Azure OpenAI Realtime to Foundry Voice Live and its native software library.

In plain words
What is it for?
Use it to build speech-to-speech demos, connect voice to Foundry agents, compare voices, and measure response delays. It also covers Gradio, FastRTC, and WebRTC interfaces.
Why use it?
It helps avoid guesswork when adding live speech, handling interruptions and background noise, or moving an existing voice agent to Azure's newer service.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to build speech-to-speech demos, connect voice to Foundry agents, compare voices, and measure response delays. It also covers Gradio, FastRTC, and WebRTC interfaces.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/aiappsgbb/awesome-gbb/foundry-voice-live
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.

Any agent
npx skills add aiappsgbb/awesome-gbb --skill foundry-voice-live
Clone the repo
git clone --depth 1 https://github.com/aiappsgbb/awesome-gbb

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 foundry-voice-live

README.md
[![agentmods](https://agentmods.dev/badge/skills/aiappsgbb/awesome-gbb/foundry-voice-live/github.svg)](https://agentmods.dev/skills/aiappsgbb/awesome-gbb/foundry-voice-live)
Your own site
<a href="https://agentmods.dev/skills/aiappsgbb/awesome-gbb/foundry-voice-live"><img src="https://agentmods.dev/badge/skills/aiappsgbb/awesome-gbb/foundry-voice-live/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 foundry-voice-live

Your own site · 80×15
<a href="https://agentmods.dev/skills/aiappsgbb/awesome-gbb/foundry-voice-live"><img src="https://agentmods.dev/badge/skills/aiappsgbb/awesome-gbb/foundry-voice-live.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 276 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 11,614 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. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 3 findings, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high Privilege Escalation · line 845
    Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.
    Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
  • medium Excessive Agency · line 894
    Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.
    Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
  • medium Excessive Agency · line 979
    Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.
    Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
How audits are shown
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 5.1 $0.00276 $0.11614
Opus 5 $0.00138 $0.05807
Sonnet 5 $0.00055 $0.02323
Haiku 4.5 $0.00028 $0.01161

Measured 10d ago against content hash aab00e7c72fd, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

foundry-voice-live 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 10d 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.

skills/foundry-voice-live/SKILL.md · 1,146 lines

How it starts

The opening of the file, as written. The whole thing — 1,146 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Foundry Voice Live

Build real-time voice agents on Azure AI Foundry using Voice Live — the GA (2026-04-10) server-side voice pipeline that adds semantic VAD, echo cancellation, noise reduction, and Azure Neural HD voices on top of the standard Azure OpenAI Realtime API.

The migration from Realtime to Voice Live is three small code changes; the migration from openai-shim to the native azure-ai-voicelive SDK is one additional step (Rung 4). This skill walks through both ladders, the session config that unlocks Voice Live features, and the four 2026-04-10 GA deltas — proactive turn control, MCP tools mid-turn, OpenTelemetry via diagnostic settings, and auto-truncate governance.

When to Use

Use this skill when the task involves ANY of:

  • Real-time speech-to-speech interaction with a model
  • Migrating from Azure OpenAI Realtime to Voice Live
  • Adding voice to a Foundry hosted or prompt agent
  • Building a voice demo with Gradio / FastRTC / WebRTC
  • Benchmarking realtime voice latency (TTFA, TTFT)
  • Comparing Azure Neural HD voices vs OpenAI voices

Do NOT use for batch STT/TTS (foundry-doc-vision-speech), non-voice agents (foundry-hosted-agents, foundry-prompt-agents), or document extraction.


1 · The Four Rungs

The entire migration from "plain Realtime" to "native Voice Live SDK on a Foundry Agent" is a diff ladder — each rung changes only the connection-setup block.

Rung 1: Azure OpenAI Realtime              ← the "before"
  │
  ▼  diff = 3 small lines (api_version, websocket_base_url, extra_query)
Rung 2: Azure Voice Live                   ← the punchline
  │
  ▼  diff = 1 line (extra_query gains agent-id / -project-name / -access-token)
Rung 3: Voice Live + Foundry Agent         ← the endgame on `openai` SDK
  │
  ▼  swap `openai.AsyncAzureOpenAI` → `azure.ai.voicelive.aio.connect`
Rung 4: native `azure-ai-voicelive` SDK    ← the GA path

Everything else — the audio pipe, transcript fan-out, status events, voice picker, UI — is identical across all four rungs.

Read the full file on GitHub · 1,146 lines

Files

What ships with it

2 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. 10d ago First seen · 1,146 lines · 276 tokens per session scan A aab00e7c72fd

Subscribe to this mod's changes

foundry-voice-live is a skill published in the GitHub repository aiappsgbb/awesome-gbb (5 stars, last pushed 2d ago), licensed MIT. It adds 276 tokens to every session and 11,614 once invoked, about $0.0014 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 2026-08-31.

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