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THELAZIZAGROUP

crixin

by THELAZIZAGROUP
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Hybrid

crixin

The MCP toolkit for AI agents. Two MCPs in one npm package, sharing one local SQLite, installing into the same MCP-aware hosts you already use.

  • Voice MCP — give your AI a phone line. Real outbound calls + SMS + transcription through your own Twilio.

  • Coder MCP — give your AI a memory. Reads back every Claude Code, Codex CLI, and Cursor session you've ever had.

npm version npm downloads license node

crixin — give your AI a phone and a memory. Local-first MCP toolkit.

Local-first. Bring your own Twilio. Bring your own LLM. No SaaS in the middle.

Install

npm i -g crixin
crixin install                # writes BOTH MCPs (voice + coder) into Claude Desktop, Claude Code, Cursor, Codex CLI

Escape hatches if you want one half only:

crixin voice install          # only the phone half
crixin coder install          # only the memory half

For Voice MCP, set Twilio creds in the env your AI host launches from:

export TWILIO_ACCOUNT_SID=ACxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
export TWILIO_AUTH_TOKEN=your_auth_token
export TWILIO_PHONE_NUMBER=+15555550100
export DEEPGRAM_API_KEY=...   # optional — needed for Voice Wrapped + Caller Archetype

Platform mode (no Twilio account needed)

Don't want to bring your own Twilio? Grab an API key from the Crixin dashboard and set it instead — all six voice tools route through Crixin's hosted platform:

CRIXIN_API_KEY=crx_live_... npx -y crixin voice mcp

No TWILIO_* vars, no DEEPGRAM_API_KEY (transcription runs server-side). CRIXIN_API_BASE overrides the API origin if you need to. The geo-gate still runs locally — strict-consent destinations (US/UK/EU/AU) require consented: true either way.

Verify before you dial:

crixin voice doctor           # BYO: one GET against Twilio. Platform mode: checks your key + minute quota. No charges.

For Coder MCP, ingest your AI coding history:

crixin coder ingest           # pulls Claude Code, Codex CLI, Cursor sessions → ~/.crixin/crixin.db

Remote MCP (nothing to install)

The same six voice tools are served over Streamable HTTP by the hosted platform. Point any MCP host at the endpoint with your crx_live_… key:

claude mcp add --transport http crixin-voice https://crixin-platform.vercel.app/api/mcp \
  --header "Authorization: Bearer crx_live_..."

Cursor / VS Code: add an HTTP MCP server with the same URL and Authorization header. ChatGPT: Settings → Connectors → Developer mode → add the URL. The endpoint is stateless (POST only); tool names, arguments and results are identical to the local server.

Related MCP server: Memory MCP

What each MCP exposes

Voice MCP — crixin-voice

Tool

What it does

make_call

Outbound voice call. to + prompt (assistant speaks it; recipient response recorded), or raw TwiML.

get_call

Status / duration / price / timestamps for one Call SID.

list_calls

Recent calls — filter by to / from / status / start_time_after.

list_recordings

Recordings + auth-protected media URLs for a Call SID.

transcribe_call

Run a recording through Deepgram. 30+ languages including Arabic.

send_sms

SMS / MMS through Twilio. Messaging Service support.

Coder MCP — crixin-coder

Tool

What it does

search_sessions

Full-text search across every ingested Claude Code / Codex / Cursor session.

list_recent_sessions

Newest sessions first, with project + token counts.

get_session

Pull a full session transcript by ID.

stats

Aggregate counts across the local SQLite store.

Everyday commands

# Voice MCP
crixin voice doctor                # live-probe Twilio (no charges)
crixin voice call <to> [prompt]    # one-off call from the CLI
crixin voice sms  <to> <body>      # one-off SMS
crixin voice ingest                # pull recent Twilio calls + Deepgram transcripts → local SQLite
crixin voice wrapped --year 2026   # annual recap (HTML) — heatmaps, archetype, top destinations
crixin voice archetype             # caller archetype reveal (Quick Pitcher / Patient Listener / …)
crixin voice mcp                   # run as a stdio MCP server (used by AI hosts via npx)

# Coder MCP
crixin coder ingest                # ingest AI coding sessions → ~/.crixin/crixin.db
crixin coder search <query>        # CLI search across sessions
crixin coder dashboard             # local Hono dashboard on 127.0.0.1
crixin coder wrapped --year 2026   # annual recap (HTML) — top projects, monthly bars, archetype
crixin coder archetype             # 11 archetypes — 5 for you, 6 for your AI
crixin coder mcp                   # run as a stdio MCP server (used by AI hosts via npx)

# Sync (Pro) — one account, every machine, same session list
crixin sync status                 # device + link state + queue counts (works on Free)
crixin sync link                   # opens browser to approve this device
crixin sync push                   # send metadata to the server (manual, foreground)
crixin sync pull                   # fetch peer metadata into the local inbox
crixin sync inbox                  # latest pulled records from your other machines

Metadata only. Sync v1 shares the session index across your machines — never message bodies, transcripts, credentials, phone numbers, or free-text tags. Your code never leaves your disk.

Per-host install (manual)

# Claude Code
claude mcp add crixin-voice -- npx -y crixin voice mcp
claude mcp add crixin-coder -- npx -y crixin coder mcp

# Cursor — append to ~/.cursor/mcp.json
{
  "mcpServers": {
    "crixin-voice": { "command": "npx", "args": ["-y","crixin","voice","mcp"] },
    "crixin-coder": { "command": "npx", "args": ["-y","crixin","coder","mcp"] }
  }
}

# Codex CLI — append to ~/.codex/config.toml
[mcp_servers.crixin-voice]
command = "npx"
args = ["-y","crixin","voice","mcp"]

[mcp_servers.crixin-coder]
command = "npx"
args = ["-y","crixin","coder","mcp"]

Or just run crixin install and let it wire everything for you.

Wrapped (the year-end receipt)

Both halves emit a self-contained HTML report.

crixin voice wrapped               # → ./crixin-voice-wrapped-2026.html
crixin coder wrapped               # → ./crixin-coder-wrapped-2026.html

Hour-of-day heatmaps, monthly bars, archetype reveal (Patient Listener / Hard Closer / Ducker / Cowboy / Architect / …), top destinations or top projects, top languages or top models. PII-stripped. Shareable as a screenshot. No upload.

Stack

  • STT: Deepgram Nova-2 (optional — DEEPGRAM_API_KEY).

  • TTS: Twilio Polly + Google neural voices via TwiML <Say>. (Polly.Joanna-Neural for en-US, Polly.Hala-Neural for ar-EG, Polly.Lucia-Neural for es-ES, etc.)

  • LLM: none in the open-source call path — your AI host decides what to say. Pro tier can plug in hosted Wrapped + memory sync.

  • Storage: local SQLite at ~/.crixin/crixin.db. Tables: voice_calls, voice_recordings, sessions, messages.

Pricing

Tier

Price

What you get

Open Source

Free forever

Both MCPs, all tools, all Wrapped, all archetypes. MIT-licensed. Bring your own Twilio.

Crixin Unlimited

$9.99/mo

Hosted calling with no Twilio account: unlimited calls, one monthly fee. Premium voice for the first 60 minutes each month, then standard, then basic — the call always gets made. One call at a time per account. Platform mode (CRIXIN_API_KEY) and the remote MCP run on this plan.

Existing Coder Pro ($5/mo: hosted Wrapped + crixin sync) keeps working and is being folded into Unlimited.

See full pricing.

Privacy posture

  • Zero servers between you and Twilio. Calls hit api.twilio.com directly with your auth header.

  • Coder MCP reads JSONLs your AI host already wrote to your disk. Nothing leaves your machine.

Privacy Policy

Full policy: https://crixin.com/legal/privacy (effective June 17, 2026). In short:

  • Local mode (BYO Twilio): this package collects nothing. Calls go straight to Twilio with your credentials; call history and transcripts live in ~/.crixin/crixin.db on your machine. Your AI host sees tool results the same way it sees any other tool.

  • Hosted mode (CRIXIN_API_KEY or the remote MCP): the Crixin platform stores call metadata (numbers, timestamps, duration, status), recordings and transcripts you request, and usage counters for billing. Calls are carried by Twilio; transcription runs on Deepgram; hosted voice calls use OpenAI, Deepgram and ElevenLabs models. We do not sell data.

  • Retention: account data while the account is active, deleted within 30 days of account deletion; recordings and transcripts deleted with the account; payment records as required by law.

  • Contact: privacy@crixin.com (privacy requests) · help@crixin.com (support).

  • Transcripts and call recordings stay in your Twilio account and your local SQLite.

  • No telemetry. No upload. No analytics pixels.

Geo-gate (Voice MCP)

Outbound calls to strict-consent jurisdictions (US, Canada, UK, IE, FR, ES, IT, NL, AU, NZ) require an explicit --consented flag or consented: true in the MCP tool args. Permissive jurisdictions (Egypt, UAE, KSA, Jordan, Kuwait, Qatar, Bahrain, Oman, Lebanon, Nigeria, ZA) dial without the flag. Germany is blocked outright. Override with CRIXIN_VOICE_ALLOWED_CC.

Docs

Install · Voice MCP · Coder MCP · Wrapped · Archetype · Pricing · FAQ

License

MIT. Built by @Mrdopplereffekt.

Tool Schema Changelog

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