add-voice-transcription

add-voice-transcription is a skill for Claude Code from sbusso/claudeclaw. It costs 38 tokens per session (1,136 once invoked), scanned A, original, MIT.

A voice-note transcription add-on for ClaudeClaw's WhatsApp channel. It uses OpenAI's Whisper service to turn incoming voice messages into text the agent can read.

In plain words
What is it for?
It helps the agent read and answer WhatsApp voice messages by downloading each note, transcribing it, and passing the written text to the agent.
Why use it?
It removes the need to listen to voice notes or transcribe them manually before the agent can respond. It requires WhatsApp to be set up and an OpenAI API key.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: names the AskUserQuestion tool; positional $N argument.

Part of the claudeclaw plugin — 27 skills shipped together

Good fit It helps the agent read and answer WhatsApp voice messages by downloading each note, transcribing it, and passing the written text to the agent.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/sbusso/claudeclaw/add-voice-transcription
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 sbusso/claudeclaw --skill add-voice-transcription
Clone the repo
git clone --depth 1 https://github.com/sbusso/claudeclaw

Made for: Claude Code.

Or install claudeclaw, the plugin that ships this one along with the rest of its 27 skills.

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 add-voice-transcription

README.md
[![agentmods](https://agentmods.dev/badge/skills/sbusso/claudeclaw/add-voice-transcription/github.svg)](https://agentmods.dev/skills/sbusso/claudeclaw/add-voice-transcription)
Your own site
<a href="https://agentmods.dev/skills/sbusso/claudeclaw/add-voice-transcription"><img src="https://agentmods.dev/badge/skills/sbusso/claudeclaw/add-voice-transcription/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 add-voice-transcription

Your own site · 80×15
<a href="https://agentmods.dev/skills/sbusso/claudeclaw/add-voice-transcription"><img src="https://agentmods.dev/badge/skills/sbusso/claudeclaw/add-voice-transcription.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,136 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. 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 98
    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 MCP Rug Pull · line 65
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
  • medium Data Exfiltration · line 138
    Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
    Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
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 $0.00038 $0.01136
Opus 5 $0.00019 $0.00568
Sonnet 5 $0.00008 $0.00227
Haiku 4.5 $0.00004 $0.00114

Measured 12d ago against content hash a2ed996b6a56, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

add-voice-transcription scanned grade A 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 12d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

2. Verify key works: `curl -s https://api.openai.com/v1/models -H "Authorization: Bearer $OPENAI_API_KEY" | head -c 200`
Origin

Copies of this mod

8 near-identical copies found in the catalogue:

skills/add-voice-transcription/SKILL.md · 151 lines

How it starts

The opening of the file, as written. The whole thing — 151 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Add Voice Transcription

This skill adds automatic voice message transcription to ClaudeClaw's WhatsApp channel using OpenAI's Whisper API. When a voice note arrives, it is downloaded, transcribed, and delivered to the agent as [Voice: <transcript>].

Phase 1: Pre-flight

Check if already applied

Check if src/transcription.ts exists. If it does, skip to Phase 3 (Configure). The code changes are already in place.

Ask the user

Use AskUserQuestion to collect information:

AskUserQuestion: Do you have an OpenAI API key for Whisper transcription?

If yes, collect it now. If no, direct them to create one at https://platform.openai.com/api-keys.

Phase 2: Apply Code Changes

Prerequisite: WhatsApp must be installed first (skill/whatsapp merged). This skill modifies WhatsApp channel files.

Ensure WhatsApp fork remote

git remote -v

If whatsapp is missing, add it:

git remote add whatsapp https://github.com/qwibitai/claudeclaw-whatsapp.git

Merge the skill branch

git fetch whatsapp skill/voice-transcription
git merge whatsapp/skill/voice-transcription || {
  git checkout --theirs package-lock.json
  git add package-lock.json
  git merge --continue
}

This merges in:

  • src/transcription.ts (voice transcription module using OpenAI Whisper)
  • Voice handling in src/channels/whatsapp.ts (isVoiceMessage check, transcribeAudioMessage call)
  • Transcription tests in src/channels/whatsapp.test.ts
  • openai npm dependency in package.json
  • OPENAI_API_KEY in .env.example

If the merge reports conflicts, resolve them by reading the conflicted files and understanding the intent of both sides.

Validate code changes

npm install --legacy-peer-deps
npm run build
npx vitest run src/channels/whatsapp.test.ts

All tests must pass and build must be clean before proceeding.

Phase 3: Configure

Get OpenAI API key (if needed)

If the user doesn't have an API key:

I need you to create an OpenAI API key:

  1. Go to https://platform.openai.com/api-keys
  2. Click "Create new secret key"
  3. Give it a name (e.g., "ClaudeClaw Transcription")
  4. Copy the key (starts with sk-)

Cost: $0.006 per minute of audio ($0.003 per typical 30-second voice note)

Read the full file on GitHub · 151 lines

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. 12d ago First seen · 151 lines · 38 tokens per session scan A a2ed996b6a56

Subscribe to this mod's changes

add-voice-transcription is a skill published in the GitHub repository sbusso/claudeclaw (193 stars, last pushed 1mo ago), licensed MIT. It adds 38 tokens to every session and 1,136 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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