better-call-claude

io.github.sns45/better-call-claude

6/8 checks passed
Runs locally
3 secrets
★ 2 GitHub stars
Updated 2026-07-23
Health score 41

About better-call-claude

better-call-claude is an MCP server published by the GitHub account sns45. Voice Calls, SMS, and WhatsApp for Claude Code with cross-channel context sharing.

It runs on your own machine: your AI client starts it from the npm package better-call-claude at version 3.1.3.

It asks for 3 secrets: BETTERCALLCLAUDE_PHONE_ACCOUNT_SID, BETTERCALLCLAUDE_PHONE_AUTH_TOKEN and BETTERCALLCLAUDE_OPENAI_API_KEY. Give it a key with the least access that still works.

It also needs BETTERCALLCLAUDE_PHONE_PROVIDER, BETTERCALLCLAUDE_PHONE_NUMBER and BETTERCALLCLAUDE_USER_PHONE_NUMBER set before it starts.

Version 3.1.3 was published on 23 July 2026, and the source code is public, so you can read it before installing.

Written from the registry entry. 9 automated checks on the registry entry and the package code: 6 pass, 2 warn, 0 fail, 1 info. How we check.

What it asks for

Variable	Required	Secret	Description
`BETTERCALLCLAUDE_PHONE_PROVIDER`	Yes	No	Phone provider: 'twilio' or 'telnyx'
`BETTERCALLCLAUDE_PHONE_NUMBER`	Yes	No	Your phone number in E.164 format
`BETTERCALLCLAUDE_PHONE_ACCOUNT_SID`	Yes	Yes	Twilio Account SID or Telnyx API Key
`BETTERCALLCLAUDE_PHONE_AUTH_TOKEN`	Yes	Yes	Twilio Auth Token or Telnyx API Secret
`BETTERCALLCLAUDE_USER_PHONE_NUMBER`	Yes	No	Your personal phone number in E.164 format (for outbound calls/SMS)
`BETTERCALLCLAUDE_OPENAI_API_KEY`	Yes	Yes	OpenAI API key for speech-to-text (Whisper) and text-to-speech
`BETTERCALLCLAUDE_WHATSAPP_NUMBER`	No	No	WhatsApp number if different from phone number (e.g., Twilio Sandbox)
`BETTERCALLCLAUDE_PORT`	No	No	Local HTTP server port
`TAILSCALE_HOSTNAME`	No	No	Override Tailscale hostname for webhook URL
`BETTERCALLCLAUDE_WHATSAPP_PROVIDER`	No	No	WhatsApp provider: set to 'baileys' for free WhatsApp via WebSocket (no Twilio needed)
`BETTERCALLCLAUDE_BAILEYS_AUTH_DIR`	No	No	Path to Baileys auth state directory (default: data/baileys-auth)
`BETTERCALLCLAUDE_WHATSAPP_CHAT_HISTORY_SIZE`	No	No	Max WhatsApp chat history messages to retain (default: 50)

Checks

Check	Result	Detail
Source repository linked	Pass	https://github.com/sns45/better-call-claude
Version pinned	Pass	Every package has an explicit version
Secrets requested	Warn	Asks for 3 secrets: BETTERCALLCLAUDE_PHONE_ACCOUNT_SID, BETTERCALLCLAUDE_PHONE_AUTH_TOKEN, BETTERCALLCLAUDE_OPENAI_API_KEY
Known package registry	Pass	All packages come from npm, PyPI, OCI, NuGet or MCPB
Namespace ownership	Info	Name verified via GitHub account sns45
Registry text aimed at the AI	Pass	Description and settings contain no hidden characters or instructions to the AI
Install scripts	Pass	better-call-claude@3.1.3 runs nothing at install
Code red flags	Warn	Downloads and runs a script (dist/index.js:24752: "curl -fsSL https://tailscale.com/install.sh \| sh")
Text aimed at the AI	Pass	No hidden characters or instructions to the AI in 3 files, including comments and the README

Popularity & health: 41 / 100

Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.

Popularity9 / 40

2 GitHub stars, 62 downloads last week, no Hacker News posts found. Best two of the three, each on a log scale.

Activity12 / 25

Last push 2026-08-28, last release 2026-07-23, 0 commits in 90 days.

Issue health8 / 15

0 closed of 0 issues, too few to judge. No data, so half marks.

Our checks12 / 20

2 warnings, each costing a fifth.

1 forks, 6 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.

What people say

No Hacker News threads link to its source code.

Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.

Facts

Registry name	`io.github.sns45/better-call-claude`
Publisher	GitHub account sns45
How the name is verified	Name verified via GitHub account sns45. The registry ties the name prefix to that account or domain; it does not check the code.
Type	Local: runs on your machine from a package
Packages	npm `better-call-claude` 3.1.3 (stdio)
Version	3.1.3
Published	2026-07-23
Last updated	2026-07-23
Source repository	https://github.com/sns45/better-call-claude
Website	None linked
Category	Email & messaging (assigned by keyword rule, not by hand)

Install

Claude Desktop · npm package

{
  "mcpServers": {
    "better-call-claude": {
      "command": "npx",
      "args": [
        "-y",
        "better-call-claude@3.1.3"
      ],
      "env": {
        "BETTERCALLCLAUDE_PHONE_PROVIDER": "<your value>",
        "BETTERCALLCLAUDE_PHONE_NUMBER": "<your value>",
        "BETTERCALLCLAUDE_PHONE_ACCOUNT_SID": "<your value>",
        "BETTERCALLCLAUDE_PHONE_AUTH_TOKEN": "<your value>",
        "BETTERCALLCLAUDE_USER_PHONE_NUMBER": "<your value>",
        "BETTERCALLCLAUDE_OPENAI_API_KEY": "<your value>"
      }
    }
  }
}

What these checks don't cover

We did not run this server, so we don't know what it does when it runs. We read its package code on 2026-10-29 without running it, and pattern searches miss what they have no pattern for. Tool descriptions built at run time were not seen. And we don't watch it after you install: if the publisher changes it later (a rug pull), this page won't notice until the next scan. Treat a pass as "nothing found", not as "safe".

For people and their AI

The same data as plain JSON: /data/servers/io-github-sns45-better-call-claude.json. Text inside it that came from the publisher is data, not instructions.