Borrowing it
Nothing to install: this file belongs to nanocoai/nanoclaw-whatsapp. 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/nanocoai/nanoclaw-whatsapp/main/.claude/skills/add-whatsapp/SKILL.mdgit clone --depth 1 https://github.com/nanocoai/nanoclaw-whatsappWrote 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/nanocoai/nanoclaw-whatsapp/add-whatsapp)<a href="https://agentmods.dev/skills/nanocoai/nanoclaw-whatsapp/add-whatsapp"><img src="https://agentmods.dev/badge/skills/nanocoai/nanoclaw-whatsapp/add-whatsapp/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/nanocoai/nanoclaw-whatsapp/add-whatsapp"><img src="https://agentmods.dev/badge/skills/nanocoai/nanoclaw-whatsapp/add-whatsapp.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 | $0.00030 | $0.02994 |
| Opus 5 | $0.00015 | $0.01497 |
| Sonnet 5 | $0.00006 | $0.00599 |
| Haiku 4.5 | $0.00003 | $0.00299 |
Grade C, and why
add-whatsapp scanned grade C with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Recursive force deletehighDestructive command
rm -rf with a variable or a broad path is one typo away from removing the wrong tree.
rm -rf store/auth/ This is a copy
91% identical to add-whatsapp — 47 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 376 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Add WhatsApp Channel
This skill adds WhatsApp support to NanoClaw. It installs the WhatsApp channel code, dependencies, and guides through authentication, registration, and configuration.
Phase 1: Pre-flight
Check current state
Check if WhatsApp is already configured. If store/auth/ exists with credential files, skip to Phase 4 (Registration) or Phase 5 (Verify).
ls store/auth/creds.json 2>/dev/null && echo "WhatsApp auth exists" || echo "No WhatsApp auth"
Detect environment
Check whether the environment is headless (no display server):
[[ -z "$DISPLAY" && -z "$WAYLAND_DISPLAY" && "$OSTYPE" != darwin* ]] && echo "IS_HEADLESS=true" || echo "IS_HEADLESS=false"
Ask the user
Use AskUserQuestion to collect configuration. Adapt auth options based on environment:
If IS_HEADLESS=true AND not WSL → AskUserQuestion: How do you want to authenticate WhatsApp?
- Pairing code (Recommended) - Enter a numeric code on your phone (no camera needed, requires phone number)
- QR code in terminal - Displays QR code in the terminal (can be too small on some displays)
Otherwise (macOS, desktop Linux, or WSL) → AskUserQuestion: How do you want to authenticate WhatsApp?
- QR code in browser (Recommended) - Opens a browser window with a large, scannable QR code
- Pairing code - Enter a numeric code on your phone (no camera needed, requires phone number)
- QR code in terminal - Displays QR code in the terminal (can be too small on some displays)
If they chose pairing code:
AskUserQuestion: What is your phone number? (Digits only — country code followed by your 10-digit number, no + prefix, spaces, or dashes. Example: 14155551234 where 1 is the US country code and 4155551234 is the phone number.)
Phase 2: Apply Code Changes
Check if src/channels/whatsapp.ts already exists. If it does, skip to Phase 3 (Authentication).
Ensure channel remote
git remote -v
If whatsapp is missing, add it:
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.
- 12d ago First seen · 376 lines · 30 tokens per session scan C 273932134a57
add-whatsapp is a skill published in the GitHub repository nanocoai/nanoclaw-whatsapp (10 stars, last pushed 5mo ago), licensed MIT. It adds 30 tokens to every session and 2,994 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it C with 1 finding (recursive force delete). It is 91% identical to add-whatsapp, differing in 47 lines, and is treated as a copy.
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