Better Call Claude MCP Server

Bi-directional communication for Claude Code via Voice Calls, SMS, and WhatsApp. Call Claude from your phone to start tasks, and receive callbacks when Claude needs input or wants to share status. It runs locally over stdio via the published package.

People who work with Bettercallclaude and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-08-28 · ★ 2 · #63 OF 109 MAINTAINED COMMUNICATION · VERIFIED 2026-09-30

MIT · TypeScript servers · how we verify → /methodology

01 · Install Better Call Claude

before you install - you'll need

Set BETTERCALLCLAUDE_WHATSAPP_PROVIDER, BETTERCALLCLAUDE_USER_PHONE_NUMBER, BETTERCALLCLAUDE_PHONE_PROVIDER, BETTERCALLCLAUDE_PHONE_ACCOUNT_SID, BETTERCALLCLAUDE_PHONE_AUTH_TOKEN, BETTERCALLCLAUDE_PHONE_NUMBER, BETTERCALLCLAUDE_OPENAI_API_KEY before connecting.

Claude Code

claude mcp add sns45-better-call-claude -- npx -y better-call-claude

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "sns45-better-call-claude": {
      "command": "npx",
      "args": [
        "-y",
        "better-call-claude"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package better-call-claude - unscoped; check the name against the project README before installing

registry namespace io.github.sns45 is GitHub-verified and matches the repo owner

03 · What Better Call Claude can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v3.1.3 · 2026-07-23

Keyless smithmark capability attestation (GitHub OIDC → Fulcio → Rekor) attached as smithmark-attestation.sigstore.json. Zero signing keys, zero stored secrets. Supersedes v3.1.2 (manifest version mismatch).

v3.1.2 · 2026-07-23

Re-release carrying a keyless smithmark capability attestation (GitHub OIDC → Fulcio → Rekor) over the npm tarball, attached as smithmark-attestation.sigstore.json. Zero signing keys, zero stored secrets.

04 · Who maintains Better Call Claude

better-call-claude is maintained by sns45. We track 2 MCP servers from sns45 - 2 actively maintained, 2 combined GitHub stars, oldest repo from Jan 2026.

05 · Facts

repository: github.com/sns45/better-call-claude
category: communication - ranked #63 of 109 actively-maintained communication servers as of 2026-09-30.
release cadence: 2 releases in the last 90 days (latest 2026-07-23)
registry: io.github.sns45/better-call-claude (active, first published 2026-01-14 · 6 versions)
packages: npm:better-call-claude

06 · Better Call Claude FAQ

What is Better Call Claude?

Is Better Call Claude still maintained?

Yes - as of 2026-09-30, its last commit was 2026-08-28 and it shipped 2 releases in the last 90 days. We re-verify nightly.

How do I install Better Call Claude?

Run `npx -y better-call-claude`. The README documents 7 environment variables (BETTERCALLCLAUDE_WHATSAPP_PROVIDER, BETTERCALLCLAUDE_USER_PHONE_NUMBER, BETTERCALLCLAUDE_PHONE_PROVIDER…) to set first. Set BETTERCALLCLAUDE_WHATSAPP_PROVIDER, BETTERCALLCLAUDE_USER_PHONE_NUMBER, BETTERCALLCLAUDE_PHONE_PROVIDER, BETTERCALLCLAUDE_PHONE_ACCOUNT_SID, BETTERCALLCLAUDE_PHONE_AUTH_TOKEN, BETTERCALLCLAUDE_PHONE_NUMBER, BETTERCALLCLAUDE_OPENAI_API_KEY before connecting. You can also paste the ready-made client config above.

Does Better Call Claude run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Better Call Claude

Alternatives to Better Call Claude

Maintained communication servers if Better Call Claude isn't the fit.

Pairs well with

Servers that cover what Better Call Claude doesn't - only shown when the pairing reason fits the companion.

More communication MCP servers · Microsoft Teams · Mistral MCP · Synapbus · Teamwork MCP Server · Squad

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