uni-msg WhatsApp MCP Server
com.uni-msg/whatsappv0.3.1
Drive WhatsApp from any MCP client: pair devices, send text and media, manage contacts and groups.
context tax
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security
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cold start
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freshness
Maintained45d ago
Install uni-msg WhatsApp MCP server
Install in Claude Code
claude mcp add uni-msg -e UNIMSG_API_KEY='<unimsg-api-key>' -- npx -y uni-msg-mcp-serverInstall in Cursor
{
"mcpServers": {
"uni-msg": {
"command": "npx",
"args": [
"-y",
"uni-msg-mcp-server"
],
"env": {
"UNIMSG_API_KEY": "<unimsg-api-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"uni-msg": {
"command": "npx",
"args": [
"-y",
"uni-msg-mcp-server"
],
"env": {
"UNIMSG_API_KEY": "<unimsg-api-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"uni-msg": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"uni-msg-mcp-server"
],
"env": {
"UNIMSG_API_KEY": "<unimsg-api-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"uni-msg": {
"command": "npx",
"args": [
"-y",
"uni-msg-mcp-server"
],
"env": {
"UNIMSG_API_KEY": "<unimsg-api-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| UNIMSG_API_KEY | yes | yes | API key from uni-msg Dashboard → API Keys (starts with wsa_) |
Remote endpoints
- streamable-http
https://uni-msg.com/mcp
Freshness
Maintained — last maintenance signal 45d ago. The newest of the signals below sets the band.
Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-08-25 · 45d ago · official registry · v0.3.1
FAQ
›How do I install the uni-msg WhatsApp MCP server in Claude Code?
Run: claude mcp add uni-msg -e UNIMSG_API_KEY='<unimsg-api-key>' -- npx -y uni-msg-mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does uni-msg WhatsApp require an API key?
Yes. It expects UNIMSG_API_KEY, of which 1 is a secret.
›Can I use uni-msg WhatsApp as a remote (hosted) MCP server?
Yes — it offers both a hosted endpoint and a local stdio package.
›Is uni-msg WhatsApp in the official MCP registry?
Yes, as com.uni-msg/whatsapp.
Alternatives to uni-msg WhatsApp
Other communication MCP servers.