Can I use Mailjet as a CLI?

Yes. KosmoKrator exposes a Mailjet CLI through kosmo integrations:call and the provider shortcut command. Commands can return JSON for scripts, CI, and coding agents.

Can I expose Mailjet through MCP?

Yes. The KosmoKrator MCP gateway can expose selected Mailjet tools to clients such as Claude Code, Cursor, Codex, and other MCP-compatible tools.

Where are Mailjet credentials stored?

Mailjet credentials are configured in KosmoKrator's local integration settings and reused by CLI, Lua, and MCP gateway surfaces.

Can I deny write access for Mailjet MCP tools?

Yes. Start the gateway with --write=deny for read-only clients, or use ask/allow only for trusted workspaces.

Mailjet MCP Integration for Claude Code

Connect Mailjet to Claude Code through the local KosmoKrator MCP gateway with scoped tools, credentials, and write policy.

9 functions 7 read 2 write API key auth

Submit Mailjet feedback View package source

Connect Mailjet to Claude Code

Connect local KosmoKrator integrations to Claude Code through one scoped MCP gateway entry.

Add KosmoKrator as a stdio MCP server in the Claude Code project config and select the integrations that should be visible. The gateway is local, scoped to this integration, and starts with --write=deny so Claude Code can inspect read-capable tools without receiving write access by default.

Mailjet MCP Config for Claude Code

Claude Code can launch the local kosmo binary directly from the project MCP config.

{
  "mcpServers": {
    "kosmokrator-mailjet": {
      "type": "stdio",
      "command": "kosmo",
      "args": [
        "mcp:serve",
        "--integration=mailjet",
        "--write=deny"
      ]
    }
  }
}

Run the Gateway Manually

kosmokrator mcp:serve --integration=mailjet --write=deny

Why Use KosmoKrator Here

Scoped tools

Expose only Mailjet instead of a broad multi-service tool list.

Local credentials

Reuse credentials already configured for the KosmoKrator CLI and Lua runtime.

Write policy

Start read-only, then opt into ask or allow for trusted workspaces.

Mailjet Tools Visible to Claude Code

Claude Code sees stable MCP tool names generated from the Mailjet integration catalog.

MCP tool	Source function	Type	Description
`integration__mailjet__mailjet_send_email`	`mailjet.mailjet_send_email`	Write	Send an email via Mailjet. Specify sender, one or more recipients, subject, and HTML body.
`integration__mailjet__mailjet_list_contacts`	`mailjet.mailjet_list_contacts`	Read	List contacts in the Mailjet account. Returns paginated contact data including email addresses and metadata.
`integration__mailjet__mailjet_get_contact`	`mailjet.mailjet_get_contact`	Read	Get details for a single Mailjet contact by ID or email address.
`integration__mailjet__mailjet_create_contact`	`mailjet.mailjet_create_contact`	Write	Create a new contact in Mailjet. Provide the email address to add.
`integration__mailjet__mailjet_list_campaigns`	`mailjet.mailjet_list_campaigns`	Read	List email campaigns in the Mailjet account. Returns campaign IDs, subjects, and status.
`integration__mailjet__mailjet_get_campaign`	`mailjet.mailjet_get_campaign`	Read	Get details for a single Mailjet email campaign by ID.
`integration__mailjet__mailjet_list_templates`	`mailjet.mailjet_list_templates`	Read	List email templates available in the Mailjet account.
`integration__mailjet__mailjet_get_stats`	`mailjet.mailjet_get_stats`	Read	Get email statistics from the Mailjet statcounters endpoint. Returns send, delivery, open, click, and bounce counts.
`integration__mailjet__mailjet_get_current_user`	`mailjet.mailjet_get_current_user`	Read	Get the authenticated Mailjet user profile information.

Related Mailjet Pages

Mailjet CLIUse direct JSON commands instead of MCP discovery. Mailjet MCPFull gateway reference and MCP tool names. KosmoKrator for Claude CodeClient-level gateway setup.