How to integrate Vercel MCP with Hermes

Connect Hermes to Vercel MCP. List recent deployments for your project, get deployment logs for commit abc123, and more using natural language, with authentication handled for you.

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Vercel MCP is Vercel's hosted MCP server for querying documentation and managing projects and deployments. It provides a single endpoint to inspect deployments, view logs, and access project metadata.

37 Tools

Introduction

Hermes is a 24/7 autonomous agent that lives on your computer or server — it remembers what it learns and evolves as your usage grows.

This guide explains the easiest and most robust way to connect your Vercel account to Hermes. You can do this through either Composio Connect CLI or Composio Connect MCP. For personal use we recommend the CLI, but you won't go wrong with MCP either.

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What is Composio Connect?

Composio Connect is a consumer offering that lets anyone plug 1,500+ applications directly into their agent harness — including Hermes. It can:

  • Search and load tools from relevant toolkits on-demand, reducing context usage.
  • Chain multiple tools to accomplish complex workflows via a remote workbench, without excessive back-and-forth with the LLM.
  • Manage app authentication end-to-end with zero manual overhead.

Integrating Vercel with Hermes

Using Composio Connect CLI

1. Install the Composio CLI

Run the install script directly, or paste https://composio.dev/hermes into your Hermes chat box to have it installed for you.

bash
curl -fsSL https://composio.dev/install | bash
Hermes authenticating with Composio

2. Authenticate

Once the CLI is installed, ask Hermes to authenticate with Composio.

3. Connect to Vercel

Ask your agent to connect to Vercel, or simply request any Vercel-related task. Hermes will prompt you to authenticate and authorize access.

4. Done. You're all set with a new Vercel connection.


Using Composio Connect MCP

1. Get your MCP URL and API Key

Go to dashboard.composio.dev and copy your Connect MCP URL and API key.

Copy MCP URL and API key from Composio dashboard

2. Open the Hermes config file

bash
nano ~/.hermes/config.yaml

3. Add the Composio Connect MCP server

bash
mcp_servers:
  composio:
    url: "https://connect.composio.dev/mcp"
    headers:
      x-consumer-api-key: "YOUR_COMPOSIO_API_KEY"
    connect_timeout: 60
    timeout: 180

Save with Ctrl + O, Enter, then exit with Ctrl + X.

4. Restart your Hermes agent

Once restarted, ask your agent to connect to Vercel or request any Vercel-related task. It will prompt you to authenticate and authorize access.

5. Done!

What is the Vercel MCP server, and what's possible with it?

The Vercel MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Vercel account. It provides structured and secure access so your agent can perform Vercel operations on your behalf.

Way Forward

With Vercel connected, Hermes can now act on your behalf whenever it detects a relevant task or you ask it to.

From here, you can extend Hermes further:

  • Connect more apps: Calendar, Slack, Notion, Linear, and hundreds of others are available through the same Composio Connect setup. Each new integration compounds what Hermes can do for you.
  • Build workflows across tools: Once multiple apps are connected, Hermes can chain actions together — turn an email into a calendar invite, a Slack message into a Linear ticket, or a meeting note into a follow-up draft.
  • Let it learn your patterns: The more you use Hermes, the better it gets at anticipating how you'd handle recurring tasks. Give it feedback on drafts and decisions, and it will adapt.

If you run into trouble or want to share what you've built, join the community or check out the Docs for deeper configuration options.

TOOLS

Supported Tools

Every Vercel MCP action and event your agent gets out of the box.

Add toolbar reaction

Add an emoji reaction to a message in a toolbar thread.

Buy addon

Executes a Vercel add-on purchase (currently only "siem"), by integer quantity, previously quoted by get_purchase_quote — quoting first is REQUIRED; this tool rejects un-quoted calls.

Buy credits

Executes a prepaid Vercel credits purchase (v0, AI Gateway, or Vercel Agent) previously quoted by get_purchase_quote — quoting first is REQUIRED; this tool rejects un-quoted calls.

Buy domain

Executes a single-domain registration previously quoted by get_purchase_quote (product:domain) — quoting first is REQUIRED; this tool rejects un-quoted calls.

Buy pro

Executes a Vercel Pro upgrade previously quoted by get_purchase_quote — quoting first is REQUIRED; this tool rejects un-quoted calls.

Change toolbar thread resolve status

Change the resolve status of a toolbar thread.

Check domain availability and price

Check if domain names are available for purchase and get pricing information

Create git project

Preferred when the intended source is pushed to an accessible remote repository's production branch.

Deploy to vercel

Deploy files directly when no usable remote git repository exists or the user explicitly requests a manual file deployment.

Edit toolbar message

Edit an existing message in a toolbar thread.

Get access to vercel url

Creates a temporary shareable link that bypasses authentication for protected Vercel deployments.

Get agent run

Get detailed metadata for a single Agent Run from an eve agent, including events, workflow metadata, usage, and subagent breakout data.

Get agent run trace

Get the trace for a single Agent Run from an eve agent, including turns, messages, reasoning, tool calls, token usage, and tool input/output when available.

Get deployment

Get a specific deployment by ID or URL.

Get deployment build logs

Get the build logs for a deployment by ID or URL, to investigate why a build failed.

Get domain order

Get the status of a domain purchase order returned by buy_domain, to confirm whether the registration completed.

Get git deployment context

Lists every Vercel team authorized for the user, including its plan and linked Git projects.

Get project

Get a specific project in Vercel

Get project deployment protection

Get the effective password protection, Vercel Authentication, and Trusted IP settings for a Vercel project.

Get purchase quote

Read-only price quote for a Vercel purchase.

Get runtime errors

Get grouped runtime error clusters for a project (error name, occurrence count, affected routes, sample messages, first/last seen).

Get runtime logs

Get runtime logs for a project or deployment.

Get toolbar thread

Get a specific toolbar thread by ID, including all messages and context.

Get web analytics

Query Web Analytics for a Vercel project.

Import-claude-design-from-url

Import a design into Vercel from a publicly fetchable URL.

List agent run projects

List projects in a Vercel team that have Agent Runs observability data for agents built with the eve framework, with run counts and average duration rollups.

List agent runs

List Agent Runs for a Vercel project.

List deployments

List all deployments for a project

List projects

List all Vercel projects for a user (with a max of 50).

List teams

List the user's teams.

List toolbar threads

List Vercel toolbar comment threads for a team.

Pause project

Pause a Vercel project.

Reply to toolbar thread

Add a reply message to an existing toolbar thread.

Search vercel documentation

Search the Vercel documentation.

Unpause project

Unpause a Vercel project so its production deployment can resume serving traffic and consuming metered resources.

Update project deployment protection

Partially update password protection, Vercel Authentication, and Trusted IPs for a Vercel project.

Web fetch vercel url

Fetches a Vercel deployment URL and returns the response.

FRAMEWORKS

How to build Vercel MCP Agent with another framework

FAQ

Frequently asked questions

With a standalone Vercel MCP server, the agents and LLMs can only access a fixed set of Vercel tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Vercel and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Hermes fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Vercel tools.

Yes, absolutely. You can configure which Vercel scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Vercel data and credentials are handled as safely as possible.

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