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Vercel AI SDKSDK
ESPHome MCP Server

Bring Esp32
to Vercel AI SDK

Learn how to connect ESPHome to Vercel AI SDK and start using 10 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.

MCP Inspector GDPR Free for Subscribers
Alarm ActionButton PressCover ActionFan ActionGet Entity StateGet MetricsLight ActionNumber SetSelect OptionSwitch Action
Unlock for AI Agents
ChatGPT Claude Perplexity

Compatible with every major AI agent and IDE

ClaudeClaude
ChatGPTChatGPT
CursorCursor
GeminiGemini
WindsurfWindsurf
VS CodeVS Code
JetBrainsJetBrains
VercelVercel
+ other MCP clients
ESPHome

What is the ESPHome MCP Server?

Connect your ESPHome microcontrollers to any AI agent and take full control of your smart home or industrial IoT setup through natural conversation.

What you can do

  • Real-time Monitoring — Fetch the current state and values of any sensor, switch, or binary sensor using the get_entity_state tool.
  • Lighting Control — Manage lights with precision using light_action, including brightness and RGB color adjustments.
  • Appliance Management — Toggle switches, control fans with fan_action, and adjust covers (blinds/garage doors) with cover_action.
  • Interactive Components — Press buttons via button_press, set numeric values with number_set, and choose options from dropdowns with select_option.
  • Security & Safety — Arm or disarm alarm panels using alarm_action directly from your chat interface.

How it works

  1. Enable the web_server component in your ESPHome YAML configuration.
  2. Subscribe to this server.
  3. Enter your device's local URL and optional password.
  4. Start interacting with your hardware from Claude, Cursor, or any MCP client.

Who is this for?

  • Home Automation Enthusiasts — control your local environment without complex dashboards.
  • IoT Developers — test and debug ESP32/ESP8266 entity behaviors using natural language.
  • Hardware Engineers — monitor sensor metrics and trigger actions during prototyping phases.

Built-in capabilities (10)

alarm_action

Perform an action on an alarm control panel

button_press

Press a button entity

cover_action

g., blinds, garage door), optionally setting position and tilt. Perform an action on a cover entity

fan_action

Perform an action on a fan entity

get_entity_state

g., sensor, switch) using the Web Server REST API. Get the state of an ESPHome entity

get_metrics

Get Prometheus metrics from the ESPHome device

light_action

Perform an action on a light entity

number_set

Set a value for a number entity

select_option

Set an option for a select entity

switch_action

Perform an action on a switch entity

Why Vercel AI SDK?

The Vercel AI SDK gives every ESPHome tool full TypeScript type inference, IDE autocomplete, and compile-time error checking. Connect 10 tools through Vinkius and stream results progressively to React, Svelte, or Vue components. works on Edge Functions, Cloudflare Workers, and any Node.js runtime.

  • —

    TypeScript-first: every MCP tool gets full type inference, IDE autocomplete, and compile-time error checking out of the box

  • —

    Framework-agnostic core works with Next.js, Nuxt, SvelteKit, or any Node.js runtime. same ESPHome integration everywhere

  • —

    Built-in streaming UI primitives let you display ESPHome tool results progressively in React, Svelte, or Vue components

  • —

    Edge-compatible: the AI SDK runs on Vercel Edge Functions, Cloudflare Workers, and other edge runtimes for minimal latency

See it in action

ESPHome in Vercel AI SDK

AI Agent→Vinkius
High Security·Kill Switch·Plug and Play
Why Vinkius

ESPHome and 4,000+ other MCP servers. One platform. One governance layer.

Teams that connect ESPHome to Vercel AI SDK through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.

4,000+MCP Servers ready
<40msCold start
60%Token savings
Raw MCP
Vinkius
Server catalogFind and host yourself4,000+ managed
InfrastructureSelf-hostedSandboxed V8 isolates
Credential handlingPlaintext in configVault + runtime injection
Data loss preventionNoneConfigurable DLP policies
Kill switchNoneGlobal instant shutdown
Financial circuit breakersNonePer-server limits + alerts
Audit trailNoneEd25519 signed logs
SIEM log streamingNoneSplunk, Datadog, Webhook
HoneytokensNoneCanary alerts on leak
Custom domainsNot applicableDNS challenge verified
GDPR complianceManual effortAutomated purge + export
Unlock for AI Agents View step-by-step setup guide for Vercel AI SDK →
Enterprise Security

Why teams choose Vinkius for ESPHome in Vercel AI SDK

The ESPHome MCP Server runs on Vinkius-managed infrastructure inside AWS — a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts. All 10 tools execute in hardened sandboxes optimized for native MCP execution.

Your AI agents in Vercel AI SDK only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.

Unlock for AI Agents View full ESPHome details →
ESPHome
Fully ManagedVinkius Servers
60%Token savings
High SecurityEnterprise-grade
IAMAccess control
EU AI ActCompliant
DLPData protection
V8 IsolateSandboxed
Ed25519Audit chain
<40msKill switch
Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

The Vinkius Advantage

How Vinkius secures ESPHome for Vercel AI SDK

Every tool call from Vercel AI SDK to the ESPHome MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.

< 40msCold start
Ed25519Signed audit chain
60%Token savings
FAQ

Frequently asked questions

01

Can I control my lights and set specific colors using this server?

Yes! Use the light_action tool. You can specify the entity name, the action (turn_on), and optional parameters like brightness (0-255) and RGB values (r, g, b) to get the perfect ambiance.

02

How do I check the current temperature or humidity from my sensors?

Simply use the get_entity_state tool. Provide the domain (e.g., 'sensor') and the entity ID. The agent will return the current value and state of that specific hardware component.

03

Is it possible to trigger a physical button or restart a device?

Yes. If you have a button entity configured in ESPHome (like a restart button), you can use the button_press tool with the entity name to trigger that action remotely.

04

How does the Vercel AI SDK connect to MCP servers?

Import createMCPClient from @ai-sdk/mcp and pass the server URL. The SDK discovers all tools and provides typed TypeScript interfaces for each one.

05

Can I use MCP tools in Edge Functions?

Yes. The AI SDK is fully edge-compatible. MCP connections work on Vercel Edge Functions, Cloudflare Workers, and similar runtimes.

06

Does it support streaming tool results?

Yes. The SDK provides streaming primitives like useChat and streamText that handle tool calls and display results progressively in the UI.

07

createMCPClient is not a function

Install: npm install @ai-sdk/mcp

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