# Customer.io MCP
> Customer.io's hosted MCP connects an authenticated workspace to tools for reading and managing Journeys and CDP Data Pipelines resources, with separately granted read, write, live-write, sensitive-data, and configuration scopes.
Canonical: https://www.mcpfolio.com/servers/customer-io
Last updated: 2026-10-28
## Catalog record

- Publisher: Customer.io
- Categories: productivity, communication, marketing

## Website

https://docs.customer.io/ai/mcp-server/

## Transports

Streamable HTTP

## Authentication

OAuth. Each user authenticates with their own Customer.io account and selects workspaces/scopes. Account admin must enable MCP in Settings > AI. Default scope is read; additional scopes are independently granted.

## Tools

- **cio_prime**: Load Customer.io API reference for a task.
- **cio_schema**: Discover API endpoints and inspect their parameters.
- **cio_read_api**: Perform authenticated GET requests for reads, filtering, pagination, and dry-run previews.
- **cio_write_api**: Perform authenticated POST, PUT, and PATCH requests with dry-run previews.
- **cio_delete_api**: Perform authenticated DELETE requests with dry-run previews.
- **cio_skills_list**: List Customer.io-maintained workflow skills.
- **cio_skills_read**: Read a specific workflow skill.
- **cio_auth_status**: Show authentication state and accessible workspaces.

## Sources

- [official_documentation](https://docs.customer.io/ai/mcp-server/)
- [official_tool_reference](https://docs.customer.io/ai/mcp/get-started/)

## Setup

Use the interactive setup panel on [the detail page](https://www.mcpfolio.com/servers/customer-io) to view instructions for each supported client.