# Whatsapp Number Validator3 MCP Server

> Use this tool when you need to verify if phone numbers are registered on WhatsApp, to solve problems like reducing undeliverable messages or validating customer contacts. It takes phone numbers as input and returns validation results, supporting both single and bulk checks of up to 10 numbers. Ideal for use cases like customer data validation, marketing campaigns, or messaging services integration.

Canonical page: https://skillsregistry.net/skills/bach-ai-tools-whatsapp-number-validator3  
JSON: https://api.skillsregistry.net/v1/skills/bach-ai-tools-whatsapp-number-validator3

## Description

Validates whether phone numbers are registered on WhatsApp, supporting single and bulk (up to 10) number checks.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-09-03

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** communication
- **Updated:** 2026-09-03

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/gw0am7dygi)
- **Repository:** <https://github.com/BACH-AI-Tools/whatsapp_number_validator3>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "bach-ai-tools-whatsapp-number-validator3"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/bach-ai-tools-whatsapp-number-validator3` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/bach-ai-tools-whatsapp-number-validator3/pull`

---
SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt