nanoclaw-gws-ea: Skill for Claude Code

.claude/skills/add-whatsapp-cloud/SKILL.md

add-whatsapp-cloud is a skill for Claude Code from taslim/nanoclaw-gws-ea. It costs 20 tokens per session (748 once invoked), scanned A, original, MIT.

An integration that connects a coding project to WhatsApp through Meta's official WhatsApp Business Cloud API. It adds the adapter, registers it, installs its package, and builds the project.

In plain words
What is it for?
Use it to connect WhatsApp messages to the project and configure the required phone number, access token, and webhook settings.
Why use it?
It removes the manual work of adding the WhatsApp channel to a project that does not include channels by default. You still need a Meta business app and WhatsApp API credentials.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is taslim/nanoclaw-gws-ea's own configuration. It tells Claude Code how to work on nanoclaw-gws-ea itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything nanoclaw-gws-ea configures →

Reuse

Borrowing it

Nothing to install: this file belongs to taslim/nanoclaw-gws-ea. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/taslim/nanoclaw-gws-ea/main/.claude/skills/add-whatsapp-cloud/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/taslim/nanoclaw-gws-ea

Made for: Claude Code.

Wrote this? Show the measurements

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README.md
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Your own site
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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.

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Your own site · 80×15
<a href="https://agentmods.dev/skills/taslim/nanoclaw-gws-ea/add-whatsapp-cloud"><img src="https://agentmods.dev/badge/skills/taslim/nanoclaw-gws-ea/add-whatsapp-cloud.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 20 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 748 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 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 $0.00020 $0.00748
Opus 5 $0.00010 $0.00374
Sonnet 5 $0.00004 $0.00150
Haiku 4.5 $0.00002 $0.00075

Measured 11d ago against content hash 1237a7d173f1, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

add-whatsapp-cloud 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 11d 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

Copies of this mod

1 near-identical copy found in the catalogue:

.claude/skills/add-whatsapp-cloud/SKILL.md · 96 lines

How it starts

The opening of the file, as written. The whole thing — 96 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Add WhatsApp Cloud API Channel

Connect NanoClaw to WhatsApp via the official Meta WhatsApp Business Cloud API.

Install

NanoClaw doesn't ship channels in trunk. This skill copies the WhatsApp Cloud adapter in from the channels branch.

Pre-flight (idempotent)

Skip to Credentials if all of these are already in place:

  • src/channels/whatsapp-cloud.ts exists
  • src/channels/index.ts contains import './whatsapp-cloud.js';
  • @chat-adapter/whatsapp is listed in package.json dependencies

Otherwise continue. Every step below is safe to re-run.

1. Fetch the channels branch

git fetch origin channels

2. Copy the adapter

git show origin/channels:src/channels/whatsapp-cloud.ts > src/channels/whatsapp-cloud.ts

3. Append the self-registration import

Append to src/channels/index.ts (skip if the line is already present):

import './whatsapp-cloud.js';

4. Install the adapter package (pinned)

pnpm install @chat-adapter/[email protected]

5. Build

pnpm run build

Credentials

  1. Go to Meta for Developers and create an app (type: Business).
  2. Add the WhatsApp product.
  3. Go to WhatsApp > API Setup:
    • Note the Phone Number ID (not the phone number itself).
    • Generate a permanent System User access token with whatsapp_business_messaging permission.
  4. Go to WhatsApp > Configuration:
    • Set webhook URL: https://your-domain/webhook/whatsapp.
    • Set a Verify Token (any random string you choose).
    • Subscribe to webhook fields: messages.
  5. Copy the App Secret from Settings > Basic.

Configure environment

Add to .env:

WHATSAPP_ACCESS_TOKEN=your-system-user-access-token
WHATSAPP_PHONE_NUMBER_ID=your-phone-number-id
WHATSAPP_APP_SECRET=your-app-secret
WHATSAPP_VERIFY_TOKEN=your-verify-token

Sync to container: mkdir -p data/env && cp .env data/env/env

Read the full file on GitHub · 96 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. 11d ago First seen · 96 lines · 20 tokens per session scan A 1237a7d173f1

Subscribe to this mod's changes

add-whatsapp-cloud is a skill published in the GitHub repository taslim/nanoclaw-gws-ea (11 stars, last pushed 3mo ago), licensed MIT. It adds 20 tokens to every session and 748 once invoked, about $0.0001 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 2026-08-30.

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