How to connect Campaign Monitor MCP to Claude Desktop
Add this block to ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows), then restart Claude Desktop. Cursor and Codex use a similar schema.
{
"mcpServers": {
"campaign-monitor": {
"command": "npx",
"args": ["-y", "<server-package-name>"],
"env": {
"CAMPAIGN_MONITOR_API_KEY": "your-api-token-here"
}
}
}
}
// Server source: https://github.com/pauliowest/cmon-mcp
// Check the server's README for the exact "command" and required env vars.Some MCP servers require an API key. Check the source page for setup: github.com/pauliowest/cmon-mcp.
Does Campaign Monitor MCP cost extra?
The Campaign Monitor MCP server is community-built — free to run, but you still pay for your Campaign Monitor subscription.
- Community MCPs are normally self-hosted from a GitHub repo. There's no extra license fee.
- Your Campaign Monitor account still needs whatever plan is required to access the data the MCP server queries.
- Trade-off: zero MCP cost, but no guarantee it'll keep working when Campaign Monitor changes their UI or API.
Campaign Monitor subscription pricing
| Plan | Monthly | Annual / mo |
|---|---|---|
| Free | — | — |
| Lite | $1,170 | $1,053 |
| Essentials | $2,790 | $2,511 |
| Premier | $15,390 | $13,851 |
| Enterprise | Contact sales | — |
Source: campaignmonitor.com/pricing. Verified 2026-06-07.
Campaign Monitor also publishes a REST API
Campaign Monitor publishes an API, but per-tier gating wasn't extracted automatically.
See Campaign Monitor API pageWhat you can do with Campaign Monitor from an AI agent
Three shapes of agent workflow. Pick the row that matches how you actually use Claude / Cursor / Codex day to day.
Skip the dashboard, ask Claude
- "What campaigns underperformed this week?" answered in seconds
- Quick one-off questions without leaving the editor
- Pipe Campaign Monitor data into your personal notes / docs without writing a script
Run client analysis at agent speed
- Hand the MCP server to your team — every consultant can ask Claude about any client's Campaign Monitor account
- Multi-account workflows without context-switching the Campaign Monitor UI
- Reports you'd normally spend hours on, done before standup
Production agent workflows
- Embed in your internal Codex / Cursor agents that triage Campaign Monitor data daily
- Combine with other MCP servers in a multi-step agent chain
- Constrain agents to read-only roles to keep production Campaign Monitor safe
Limits and gotchas
- Community MCP — not maintained by Campaign Monitor. Check the README and last-update date before depending on it.
- Fallback: the REST API works for any flow the MCP server doesn't cover.
- Rate limits: MCP calls count against your underlying Campaign Monitor API quota. Burst usage from a curious agent can drain a daily allowance fast.
Agent-readiness verdict
Skip for agent workflows. Campaign Monitor has public API documentation but no MCP server, OpenAPI spec, or SDK support, leaving agents unable to integrate meaningfully. The lack of webhooks and structured outputs further limits real-time automation potential.
Scored 2026-06-07 by Joonas (TMB).
Campaign Monitor MCP & API FAQ
Is the Campaign Monitor MCP server official?+
Can I use the Campaign Monitor MCP with Cursor or Codex?+
Does Campaign Monitor have a public API?+
Sources
- Campaign Monitor official site: https://www.campaignmonitor.com/
- MCP server page: https://github.com/pauliowest/cmon-mcp
- API docs: https://www.campaignmonitor.com/api/
- Pricing source: https://www.campaignmonitor.com/pricing/ (verified 2026-06-07)
Data verified by Joonas on the dates shown. MCP server status auto-rechecked weekly.
10+ years in digital marketing. I review marketing software for AI-stack fit: real pricing, MCP and API support, and how cleanly each tool drops into an AI agent workflow, cross-checked against verified data and real user feedback.

