A
licenseNot graded
qualityF
maintenanceA Model Context Protocol server implementation that enables AI assistants to interact with RetellAI's voice services for managing calls, agents, phone numbers, and voice options.
615 npm
40
ISC
W3J Telnyx MCP
by mnjbold
Enables the voice agent builder to use OpenAI models (e.g., gpt-4o) for natural language understanding and generation in AI assistants, powering conversational voice agents on Telnyx.
This server does not currently have a deployable release on Glama. Follow the repository's setup instructions to install and configure it for your MCP client, including any required credentials and local dependencies.
W3J Telnyx MCP
MCP server exposing the full Telnyx API as Model Context Protocol tools, plus an autonomous voice agent builder that deploys live AI receptionists from a YAML spec.
Quick start
# Install
git clone https://github.com/mnjbold/w3j-telnyx-mcp.git
cd w3j-telnyx-mcp
uv venv .venv --python 3.12 --seed
source .venv/bin/activate # Linux/macOS
# or: .venv\Scripts\Activate.ps1 (Windows)
uv sync --all-extras
# Health check
python -m telnyx_mcp.utils.env
python -m telnyx_mcp.clients.telnyx_client
# Start MCP server (stdio — for Claude Desktop / Cursor / Windsurf)
python -m telnyx_mcp.server
# Start MCP server (HTTP — for remote MCP clients)
python -m telnyx_mcp.server --transport http --host 0.0.0.0 --port 8765
# Deploy an agent from YAML
python agent_builder/builder.py agents/my-agent/spec.yaml --dry-run
python agent_builder/builder.py agents/my-agent/spec.yamlRelated MCP server: Telnyx MCP Server
What you get
Tool surface | Tools |
| search, order, list, get, update |
| dial, transfer, hangup, answer, reject, start/stop AI assistant, recordings |
| CRUD AI Assistants |
| Call Control Apps, Outbound Voice Profiles, Messaging Profiles, Voice Clones |
| send SMS |
| balance, account summary, health check |
Deploy a voice agent
# From YAML spec
python agent_builder/builder.py agents/w3j-llc-concierge/spec.yaml# agents/my-agent/spec.yaml
name: My Agent
instructions: |
You are a friendly receptionist for Acme Corp...
country_code: US
area_code: "415"
buy_number: true
webhook_url: https://your-server/webhooks/telnyx
model: openai/gpt-4o
voice: Telnyx.KokoroTTS.af_heartCI/CD
Push to main → GitHub Actions CI runs pytest + type check + lint.
See .github/workflows/ci.yml.
License
MIT
This server cannot be deployed
Maintenance
ActivitySlowing
ResponsivenessNo issues
Related MCP Connectors
Give your AI assistant a real phone line. Place and end real phone calls with AI voice agents, read call transcripts, run a live two-way interpreter between two people who share no language (31 languages, browser link or phone), create and edit voice agents, and search, buy and bind phone numbers in 21 countries. OAuth 2.1 with PKCE — the model never sees your API key; a read-only scope is available. Pay as you go from $0.10/min, $5 free credit for new accounts.
Build, test, deploy and run AI phone agents: agents, numbers, calls, tests, knowledge, campaigns.
Give any AI agent a phone: make and answer calls, get through phone menus, and send texts.
Build and manage voice AI agents for real phone lines: assistants, calls, numbers and campaigns.
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Telnyx MCP Serverofficial
FlicenseBqualityFmaintenanceEnables interaction with Telnyx's telephony, messaging, and AI assistant APIs to manage phone numbers, send messages, make calls, and create AI assistants. Includes webhook support for real-time event handling and comprehensive tools for voice, SMS, cloud storage, and embeddings.4625-- AlicenseBqualityDmaintenanceEnables interaction with Retell AI's voice and chat agent platform. Build, deploy, and manage AI phone agents, configure conversation flows, handle calls/chats, and manage phone numbers through natural language.52MIT
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