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io.github.sns45/better-call-claude

Voice Calls, SMS, and WhatsApp for Claude Code with cross-channel context sharing.

MCP server · by sns45

About

io.github.sns45/better-call-claude is an MCP server published by sns45. Marketplaces we read that list it: 1 (Official MCP Registry). We first saw it on 2026-10-11 and have recorded no change since. As of our marketplace pass on 2026-10-12.

What it asks for

  • Runs on your machine
  • Secrets: 3
  • Settings: 12

Requires: BETTERCALLCLAUDE_OPENAI_API_KEY (secret), BETTERCALLCLAUDE_PHONE_ACCOUNT_SID (secret), BETTERCALLCLAUDE_PHONE_AUTH_TOKEN (secret), BETTERCALLCLAUDE_PHONE_NUMBER, BETTERCALLCLAUDE_PHONE_PROVIDER, BETTERCALLCLAUDE_USER_PHONE_NUMBER

What it declares, asks for and runs, in full

Only install plugins from developers you trust. We list what marketplaces publish and do not test plugins.

Works with

  • Claude Code
  • Codex
  • Cursor
  • VS Code
  • Copilot CLI

From the marketplaces that list it and the MCP transport it declares, as each client documents them. We do not test plugins.

Connect

Commands and configs built only from what its marketplaces declare. We do not run them for you and do not test plugins.

As a local MCP server: npm package

Built from what Official MCP Registry declares.

Claude CodeTerminal
claude mcp add --env "BETTERCALLCLAUDE_OPENAI_API_KEY=<YOUR_BETTERCALLCLAUDE_OPENAI_API_KEY>" --env "BETTERCALLCLAUDE_PHONE_ACCOUNT_SID=<YOUR_BETTERCALLCLAUDE_PHONE_ACCOUNT_SID>" --env "BETTERCALLCLAUDE_PHONE_AUTH_TOKEN=<YOUR_BETTERCALLCLAUDE_PHONE_AUTH_TOKEN>" --env "BETTERCALLCLAUDE_PHONE_NUMBER=<YOUR_BETTERCALLCLAUDE_PHONE_NUMBER>" --env "BETTERCALLCLAUDE_PHONE_PROVIDER=<YOUR_BETTERCALLCLAUDE_PHONE_PROVIDER>" --env "BETTERCALLCLAUDE_USER_PHONE_NUMBER=<YOUR_BETTERCALLCLAUDE_USER_PHONE_NUMBER>" --transport stdio better-call-claude -- npx -y better-call-claude
Codex~/.codex/config.toml
[mcp_servers.better-call-claude]
command = "npx"
args = ["-y", "better-call-claude"]

[mcp_servers.better-call-claude.env]
BETTERCALLCLAUDE_OPENAI_API_KEY = "<YOUR_BETTERCALLCLAUDE_OPENAI_API_KEY>"
BETTERCALLCLAUDE_PHONE_ACCOUNT_SID = "<YOUR_BETTERCALLCLAUDE_PHONE_ACCOUNT_SID>"
BETTERCALLCLAUDE_PHONE_AUTH_TOKEN = "<YOUR_BETTERCALLCLAUDE_PHONE_AUTH_TOKEN>"
BETTERCALLCLAUDE_PHONE_NUMBER = "<YOUR_BETTERCALLCLAUDE_PHONE_NUMBER>"
BETTERCALLCLAUDE_PHONE_PROVIDER = "<YOUR_BETTERCALLCLAUDE_PHONE_PROVIDER>"
BETTERCALLCLAUDE_USER_PHONE_NUMBER = "<YOUR_BETTERCALLCLAUDE_USER_PHONE_NUMBER>"
Cursor~/.cursor/mcp.json
{
  "mcpServers": {
    "better-call-claude": {
      "command": "npx",
      "args": [
        "-y",
        "better-call-claude"
      ],
      "env": {
        "BETTERCALLCLAUDE_OPENAI_API_KEY": "<YOUR_BETTERCALLCLAUDE_OPENAI_API_KEY>",
        "BETTERCALLCLAUDE_PHONE_ACCOUNT_SID": "<YOUR_BETTERCALLCLAUDE_PHONE_ACCOUNT_SID>",
        "BETTERCALLCLAUDE_PHONE_AUTH_TOKEN": "<YOUR_BETTERCALLCLAUDE_PHONE_AUTH_TOKEN>",
        "BETTERCALLCLAUDE_PHONE_NUMBER": "<YOUR_BETTERCALLCLAUDE_PHONE_NUMBER>",
        "BETTERCALLCLAUDE_PHONE_PROVIDER": "<YOUR_BETTERCALLCLAUDE_PHONE_PROVIDER>",
        "BETTERCALLCLAUDE_USER_PHONE_NUMBER": "<YOUR_BETTERCALLCLAUDE_USER_PHONE_NUMBER>"
      }
    }
  }
}

Replace the values in angle brackets with your own. We show the names of the settings, never values.

Optional settings it also lists: BETTERCALLCLAUDE_BAILEYS_AUTH_DIR, BETTERCALLCLAUDE_PORT, BETTERCALLCLAUDE_WHATSAPP_CHAT_HISTORY_SIZE, BETTERCALLCLAUDE_WHATSAPP_NUMBER, BETTERCALLCLAUDE_WHATSAPP_PROVIDER, TAILSCALE_HOSTNAME.

We do not store launch arguments. If the server needs any, its own documentation names them.

Where it is published

MarketplaceStatusVersionFiguresVerifiedFirst seen
Official MCP Registry (Open the registry record) Listed 3.1.3 Forks (GitHub): 1
Stars (GitHub): 2
Not marked

Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.

What changed

Nothing has moved on this plugin since we started watching it.

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