Koskamo

JMAP MCP

An MCP server that provides AI assistants with OAuth access to JMAP mailboxes, such as Stalwart. It enables zero-configuration setup by automatically discovering the JMAP server via DNS SRV or well-known endpoints. The server handles dynamic OAuth registration and stores only encrypted tokens, allowing agents to read, organize, draft, and send emails without exposing raw credentials.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

JMAP MCP logo, by kOlapsisCommunity listingLocal stdioSource reviewed; not executedPublished by kOlapsis
Vendor documentation

What you can do with it

  • List mailboxes and connected accounts
  • Search emails by text, sender, or date
  • Create and send email drafts
  • Move or delete emails

Source and maintenance

Community listingRegistry 0.3.0
mcp-registry: io.github.kOlapsis/jmap-mcp@0.3.0Source repositoryProject website
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

ghcr.io/kolapsis/jmap-mcp:0.3.0

oci
ghcr.io/kolapsis/jmap-mcp:0.3.0 package definition
{
  "transport": "stdio",
  "identifier": "ghcr.io/kolapsis/jmap-mcp:0.3.0",
  "registryType": "oci",
  "packageArguments": [
    {
      "type": "positional",
      "value": "stdio"
    }
  ],
  "runtimeArguments": [
    {
      "type": "positional",
      "value": "-i"
    },
    {
      "name": "--volume",
      "type": "named",
      "value": "jmap-mcp-data:/data",
      "description": "Named volume keeping the connected accounts between runs"
    }
  ],
  "environmentVariables": [
    {
      "name": "JMAP_MCP_ENABLE_SEND",
      "choices": [
        "true",
        "false"
      ],
      "default": "false",
      "description": "Allow sending email; every message is still confirmed by the user"
    },
    {
      "name": "JMAP_MCP_LOG_LEVEL",
      "choices": [
        "debug",
        "info",
        "warn",
        "error"
      ],
      "default": "info",
      "description": "Log level"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "jmap-mcp-0-3-0": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "JMAP_MCP_ENABLE_SEND=<YOUR_JMAP_MCP_ENABLE_SEND>",
        "-e",
        "JMAP_MCP_LOG_LEVEL=<YOUR_JMAP_MCP_LOG_LEVEL>",
        "ghcr.io/kolapsis/jmap-mcp:0.3.0",
        "stdio"
      ],
      "env": {
        "JMAP_MCP_ENABLE_SEND": "<YOUR_JMAP_MCP_ENABLE_SEND>",
        "JMAP_MCP_LOG_LEVEL": "<YOUR_JMAP_MCP_LOG_LEVEL>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "jmap-mcp-0-3-0": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "JMAP_MCP_ENABLE_SEND=<YOUR_JMAP_MCP_ENABLE_SEND>",
        "-e",
        "JMAP_MCP_LOG_LEVEL=<YOUR_JMAP_MCP_LOG_LEVEL>",
        "ghcr.io/kolapsis/jmap-mcp:0.3.0",
        "stdio"
      ],
      "env": {
        "JMAP_MCP_ENABLE_SEND": "<YOUR_JMAP_MCP_ENABLE_SEND>",
        "JMAP_MCP_LOG_LEVEL": "<YOUR_JMAP_MCP_LOG_LEVEL>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "jmap-mcp-0-3-0": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "JMAP_MCP_ENABLE_SEND=<YOUR_JMAP_MCP_ENABLE_SEND>",
        "-e",
        "JMAP_MCP_LOG_LEVEL=<YOUR_JMAP_MCP_LOG_LEVEL>",
        "ghcr.io/kolapsis/jmap-mcp:0.3.0",
        "stdio"
      ],
      "env": {
        "JMAP_MCP_ENABLE_SEND": "<YOUR_JMAP_MCP_ENABLE_SEND>",
        "JMAP_MCP_LOG_LEVEL": "<YOUR_JMAP_MCP_LOG_LEVEL>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "jmap-mcp-0-3-0": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "JMAP_MCP_ENABLE_SEND=<YOUR_JMAP_MCP_ENABLE_SEND>",
        "-e",
        "JMAP_MCP_LOG_LEVEL=<YOUR_JMAP_MCP_LOG_LEVEL>",
        "ghcr.io/kolapsis/jmap-mcp:0.3.0",
        "stdio"
      ],
      "env": {
        "JMAP_MCP_ENABLE_SEND": "<YOUR_JMAP_MCP_ENABLE_SEND>",
        "JMAP_MCP_LOG_LEVEL": "<YOUR_JMAP_MCP_LOG_LEVEL>"
      }
    }
  }
}

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