Customer.io MCP

Work with Customer.io people, campaigns, broadcasts, and workspace configuration.

8 actions Integration catalog

Connect Customer.io MCP once you're in Boring.

01 · WHAT THE AGENT CAN DO

Actions

Every capability is a discrete, logged action the agent calls by name — scoped to what you authorize and recorded in the run trace.

Cio auth statusCUSTOMERIO_MCP_CIO_AUTH_STATUS

Show the active authentication state. Reports the authenticated user and account, the workspaces the current OAuth token is allowed to access, and whether an agent service-account JWT can be minted. Use this to diagnose auth errors.

Cio delete apiCUSTOMERIO_MCP_CIO_DELETE_API

Delete a resource via the Customer.io API (DELETE only). Always run with dry_run first to preview. Use cio_schema to find the correct path.

Cio primeCUSTOMERIO_MCP_CIO_PRIME

Print LLM-ready instructions for using the Customer.io API. ALWAYS call this first in a new task — it contains the authoritative, version-specific rules for how to drive the API via the other cio_* tools.

Cio read apiCUSTOMERIO_MCP_CIO_READ_API

Read from the Customer.io API (GET only). Use cio_schema first to find the correct path and placeholders. Workspace routing is enforced server-side via the caller's OAuth token.

Cio schemaCUSTOMERIO_MCP_CIO_SCHEMA

Introspect the Customer.io API schema. Use this to discover endpoints before calling cio_read_api / cio_write_api / cio_delete_api — never guess paths or field names. Pass no query to list resources; pass a resource name ('campaigns') to list its endpoints; pass 'resource.method' ('campaigns.list'), 'METHOD /path', or '/path' for endpoint detail.

Cio skills listCUSTOMERIO_MCP_CIO_SKILLS_LIST

List available agent skills — task-specific instruction manuals maintained by Customer.io (routing rules, required params, multi-step workflows).

Cio skills readCUSTOMERIO_MCP_CIO_SKILLS_READ

Read the full content of a specific agent skill. Paths look like 'campaigns' for the main skill or 'campaigns/examples.md' for a sub-file — see cio_skills_list for available paths.

Cio write apiCUSTOMERIO_MCP_CIO_WRITE_API

Write to the Customer.io API (POST, PUT, or PATCH). Always run with dry_run first to preview. Use cio_schema to find the correct path, method, and body shape.

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