# ultramsg-mcp

> Use this tool when you need to automate WhatsApp messaging and manage conversations through a natural language interface. It enables sending and reading various message types, as well as managing instances, chats, contacts, and groups. Ideal for use cases requiring automated WhatsApp interactions, such as customer support, marketing, and messaging workflows.

Canonical page: https://skillsregistry.net/skills/derechovirtual-ultramsg-mcp  
JSON: https://api.skillsregistry.net/v1/skills/derechovirtual-ultramsg-mcp

## Description

MCP server for UltraMsg WhatsApp API that enables sending and reading messages (text, images, documents, audio, voice notes, video, stickers, locations, contacts, reactions) and managing instance, chats, contacts, and groups through natural language.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-08-30

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** communication
- **Updated:** 2026-08-30

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/jq077hgisy)
- **Repository:** <https://github.com/DerechoVirtual/ultramsg-mcp>

## 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": "derechovirtual-ultramsg-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/derechovirtual-ultramsg-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/derechovirtual-ultramsg-mcp/pull`

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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