How to integrate Studio By Ai21 Labs MCP with Hermes

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 Studio By Ai21 Labs 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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57 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 Studio By Ai21 Labs 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 1,000+ 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 Studio By Ai21 Labs 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 Studio By Ai21 Labs

Ask your agent to connect to Studio By Ai21 Labs, or simply request any Studio By Ai21 Labs-related task. Hermes will prompt you to authenticate and authorize access.

4. Done. You're all set with a new Studio By Ai21 Labs 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 Studio By Ai21 Labs or request any Studio By Ai21 Labs-related task. It will prompt you to authenticate and authorize access.

5. Done!

What is the Studio By Ai21 Labs MCP server, and what's possible with it?

The Studio By Ai21 Labs MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Studio By Ai21 Labs account. It provides structured and secure access so your agent can perform Studio By Ai21 Labs operations on your behalf.

Way Forward

With Studio By Ai21 Labs 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 Studio By Ai21 Labs action and event your agent gets out of the box.

Check Can Iframe

Tool to check if a URL can be embedded in an iframe.

Compare Text

Tool to compare two text strings and identify differences.

Create Aftersales Parts Classification Batch

Tool to create a batch job for Fnac Aftersales parts classification.

Create Assistant Route

Tool to create a new route for an AI21 Studio assistant.

Create Assistant

Tool to create a new AI assistant in AI21 Studio.

Create Assistant Plan

Tool to create a new plan for an AI21 Studio assistant.

Create Demo

Tool to create a new demo in AI21 Studio.

Generate Requirements

Tool to generate requirements from a query or task description.

Generate Thread Name

Tool to generate a thread name from a query or conversation context.

Create Kirsh Grant Compliance Preview

Tool to preview grant compliance for Kirsh grants.

Kirsh Grant Metadata Preview

Tool to retrieve grant metadata from the Kirsh preview endpoint.

Create MCP Storage

Tool to create MCP (Model Context Protocol) storage in AI21 Studio.

Create Secret

Tool to save a secret in AI21 Studio.

Check Kirsh Grant Compliance

Tool to check compliance for Kirsh grant IDs.

Create Website Connector

Tool to create a website connector in AI21 Studio.

Delete Assistant

Tool to delete an assistant by its unique ID.

Delete Assistant Route

Tool to delete a route from an AI21 Studio assistant.

Delete Demo

Tool to delete a demo by its unique ID.

Delete MCP Storage

Tool to delete an MCP (Model Context Protocol) storage configuration by its unique ID.

Delete Secret

Tool to delete a secret by its unique ID.

Delete Website Connector

Permanently delete a website connector by its unique identifier.

Download Modified Document

Tool to download a modified document from AI21 Labs Studio.

Get Assistant

Tool to retrieve an assistant by its unique identifier.

Get Assistant Route

Tool to retrieve details of a specific route for an AI21 Studio assistant.

Get Assistants By MCP

Tool to retrieve all assistants associated with a specific MCP (Model Context Protocol) storage configuration.

Get Batch Prediction Status

Tool to check the status of a Fnac Aftersales parts classification batch prediction job.

Get Demo

Tool to retrieve a demo by its unique ID.

Grant Kirsh Metadata

Tool to retrieve Kirsh grant metadata by grant ID.

Get Library Batch Status

Tool to get the ingestion status of a library batch.

Get MCP Storage

Tool to retrieve a specific MCP (Model Context Protocol) storage configuration by its unique ID.

Get Output Explanation

Tool to get output explanation for an execution (cached or generated).

Get Plan

Tool to retrieve a specific plan from an AI21 Studio assistant.

Get Website Connector By ID

Tool to retrieve details of a specific website connector by its ID.

Get Website Connector Status

Tool to retrieve the status of a website connector ingestion.

Get Website Connector URL Status

Tool to retrieve the status of a specific URL in the website connector.

Ingest Website Connector

Tool to ingest website content via sitemap URL in AI21 Studio.

Ingest Website Connector URL

Tool to ingest a website URL into AI21 Studio's website connector.

List Assistants

Tool to retrieve all assistants from AI21 Studio.

List Website Connectors

Tool to retrieve website connector information from AI21 Studio.

List Demos

Tool to retrieve all demos from AI21 Studio.

List Library Files

Tool to list files in the workspace library with optional filtering.

List MCP Storage

Tool to retrieve all MCP (Model Context Protocol) storage configurations from AI21 Studio.

List Models

Tool to retrieve information about all available AI21 models.

List Plans

Tool to list all plans for a specific assistant.

List Secrets

Tool to retrieve all secrets from AI21 Studio secret storage.

List Workspace Models

Tool to retrieve all workspace models by organization from AI21 Studio.

List Available Models

Tool to retrieve all available models from AI21 Studio settings.

Modify Assistant

Tool to modify an existing AI21 Studio assistant.

Modify Assistant Route

Tool to modify an existing route within an assistant.

Modify Assistant Plan

Tool to modify an existing assistant plan in AI21 Studio.

Retry Ingest Website

Tool to retry ingestion of a website in AI21 Studio.

Run Assistant

Tool to run an AI21 Studio assistant with conversational input.

Sync Website Connector

Tool to sync a website connector in AI21 Studio.

Update Demo

Tool to update an existing demo in Studio by AI21 Labs.

Update MCP Storage

Tool to update an existing MCP (Model Context Protocol) storage configuration in AI21 Studio.

Update Secret

Tool to update an existing secret in AI21 Studio.

Validate Plan

Tool to validate Python code for an AI21 Studio assistant plan.

FAQ

Frequently asked questions

With a standalone Studio By Ai21 Labs MCP server, the agents and LLMs can only access a fixed set of Studio By Ai21 Labs tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Studio By Ai21 Labs 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 Studio By Ai21 Labs tools.

Yes, absolutely. You can configure which Studio By Ai21 Labs 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 Studio By Ai21 Labs data and credentials are handled as safely as possible.

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