How to integrate Prismic MCP with Hermes

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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 Prismic 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.

Also integrate Prismic with

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 Prismic 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 Prismic

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

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

5. Done!

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

The Prismic MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Prismic account. It provides structured and secure access to your content repository, so your agent can search, retrieve, filter, and organize content, as well as gather repository details—all without manual coding.

  • Full-text and predicate-based search: Instantly ask the agent to find documents using keywords, tags, or advanced predicates for highly targeted content discovery.
  • Retrieve documents by custom fields or type: Fetch content based on custom fields, document types, or tags, making it easy to surface exactly what you need from your CMS.
  • Get and sort documents with advanced ordering: Let your agent return documents ordered by fields like date or title, supporting content workflows where order matters.
  • Fetch detailed repository metadata: Have the agent pull repository settings, available refs, types, and supported languages for a comprehensive view of your content environment.
  • Access integration fields and enriched content: Retrieve documents including data from integration fields, so your agent can work with richer, more connected content structures.

Supported Tools & Triggers

Tools
Get Prismic Documents with Fulltext SearchTool to fetch prismic documents using a full-text search predicate.
Content API: Get Documents with Integration FieldsTool to fetch prismic documents including integration fields data.
Get Prismic Documents with PredicatesTool to fetch prismic documents using specified predicates.
Prismic: Query DocumentsTool to query prismic documents using predicates and pagination.
Get Prismic Document by IDTool to retrieve a specific prismic document by its id.
Prismic: Get Documents by Custom FieldTool to fetch prismic documents by custom field predicate.
Get Prismic Documents by TagTool to fetch prismic documents by tag.
Get Prismic Documents by TypeTool to fetch prismic documents by type.
Get Ordered DocumentsTool to fetch prismic documents ordered by a specified field.
Get Prismic Repository InfoTool to retrieve prismic repository metadata.
Get Prismic Repository RefsTool to retrieve a list of repository refs (master and releases).
Get Prismic TagsTool to retrieve all tags from prismic repository.
Prismic: Get Custom TypesTool to retrieve all custom types and slices from the prismic repository.

Way Forward

With Prismic 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.

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FAQ

What are the differences in Tool Router MCP and Prismic MCP?

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

Can I use Tool Router MCP with Hermes?

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 Prismic tools.

Can I manage the permissions and scopes for Prismic while using Tool Router?

Yes, absolutely. You can configure which Prismic 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.

How safe is my data with Composio Tool Router?

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 Prismic data and credentials are handled as safely as possible.

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