Source Code

Vapi (vapi.ai) — OpenClaw Skill

Use this skill when you need to manage Vapi voice agents (assistants), calls, phone numbers, tools, and webhooks from an OpenClaw agent.

This skill is API-first (Vapi REST) and optionally integrates with the Vapi CLI for MCP docs / local workflows.

What you can do

Create/update/list assistants
Start/inspect/end calls
Manage phone numbers
Create/manage tools (function calling)
Configure webhooks and inspect events

Required secrets

Set one of:

VAPI_API_KEY (recommended) — Vapi dashboard API key.

How to provide the key (recommended)

Store as a Gateway secret/env var (preferred), or
Export in your shell before running helper scripts.

Never paste the key into public logs.

Endpoints

Base URL:

https://api.vapi.ai

Auth:

Authorization: Bearer $VAPI_API_KEY

API reference:

https://api.vapi.ai/api (Swagger)

Tooling options

This skill supports both approaches; you can decide later per deployment.

Set VAPI_MODE=api to prefer REST (default)
Set VAPI_MODE=cli to prefer the Vapi CLI (interactive)

Option A — REST via helper script (works everywhere)

This repo includes a tiny Node helper:

skills/vapi/bin/vapi-api.mjs

Examples:

# list assistants
VAPI_API_KEY=... node skills/vapi/bin/vapi-api.mjs assistants:list

# create assistant
VAPI_API_KEY=... node skills/vapi/bin/vapi-api.mjs assistants:create \
  --name "Claw Con Concierge" \
  --modelProvider openai --model gpt-4o-mini \
  --voiceProvider 11labs --voiceId rachel

# start an outbound call (example shape; see swagger for required fields)
VAPI_API_KEY=... node skills/vapi/bin/vapi-api.mjs calls:create \
  --assistantId asst_xxx \
  --to "+14155551234" \
  --from "+14155559876"

Option B — Vapi CLI (good for interactive ops)

If VAPI_MODE=cli, prefer using the CLI for management tasks and fall back to REST if the CLI isn’t installed.

Docs:

Install:

curl -sSL https://vapi.ai/install.sh | bash
vapi login

Option C — MCP docs server for your IDE

This improves IDE assistance (Cursor/Windsurf/VSCode):

https://docs.vapi.ai/cli/mcp

vapi mcp setup

Agent usage guidance

When the user asks for Vapi changes:

Clarify scope: assistants vs phone numbers vs webhooks vs tool calls.
Prefer read-only queries first (list/get) before destructive changes.
When creating an assistant, ask for:
- assistant name
- model provider/model
- voice provider/voice id
- tools/function calling needs
- webhook URL (if using server events)
When initiating calls, confirm:
- to/from numbers
- assistantId
- compliance constraints (recording, consent)

Files in this skill

skills/vapi/SKILL.md — this file
skills/vapi/bin/vapi-api.mjs — minimal REST helper

Sources

Vapi docs intro: https://docs.vapi.ai/quickstart/introduction
Vapi CLI: https://github.com/VapiAI/cli
Vapi MCP: https://docs.vapi.ai/cli/mcp
Vapi API (Swagger): https://api.vapi.ai/api
Example server (Node): https://github.com/VapiAI/example-server-javascript-node
OpenClaw: https://github.com/openclaw/openclaw

vapi-skill