Customer.io for your agents.
Connect Customer.io once and every agent you run inside Even (Claude Code, Codex, OpenCode, Even Agents) can use it: 7 curated tools, discovered on demand, with your key stored on your machine and every call going direct to Customer.io.
What agents can do with Customer.io
Curated for agents: the calls that matter, with schemas and descriptions written for tool use, not an endpoint dump.
customerio_list_segmentsList all segments in the workspace.
customerio_list_campaignsList all campaigns.
customerio_get_campaign_metricsGet metrics for a specific campaign.
customerio_list_peopleList people (users) matching criteria.
customerio_get_customerGet a single customer by their id. Returns attributes, segment memberships, and engagement data.
customerio_upsert_customerCreate or update a customer by id. Pass attributes as key-value pairs in the body. Use email as customer_id for email-based identification.
customerio_delete_customerPermanently delete a customer and all their data.
Connect it in a minute
The connect flow is agent-driven: Even opens the key page in its own browser and collects the key through a secure native field. It never passes through the chat.
- Paste the prompt below into any agent running inside Even, or click Connect in Even's catalog.
- Open Workspace Settings, then API Credentials.
- Click Create Tracking API Key or create an App API key.
- Copy the key. For App API, prefix it as a Bearer token in Authorization header.
- Paste the key.
- Paste the key into Even's secure field. Even verifies it and your agents are live.
Connect Customer.io to Even: call connect_begin("customerio") on the even-connect MCP and walk me through it.
List customer segments and campaigns in Customer.io, retrieve campaign metrics, and manage your engagement audiences.
More Even Connect services
One MCP server, a handful of meta-tools, every service below. Agents search for the right tool at run time, so context stays lean.