Koskamo

when-free MCP

A community-driven Model Context Protocol server that reads calendar feeds (Google, Outlook, iCloud, or .ics files) to determine availability. It processes natural language requests for specific days and times, returning free slots suitable for scheduling meetings or interviews without requiring user accounts or API keys.

Package and access

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

when-free MCP logo, by YauhenBichelCommunity listingLocal stdioSource reviewed; not executedPublished by YauhenBichel
Vendor documentation

What you can do with it

  • Determine free time slots for interview scheduling
  • Check availability across multiple calendar providers
  • Process natural language time requests against calendar data

Source and maintenance

Community listingRegistry 0.4.1
mcp-registry: io.github.YauhenBichel/when-free@0.4.1Source repositoryProject website
Maintenance checked

Packages and installation

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

when-free 0.4.1

pypiuvx
when-free package definition
{
  "version": "0.4.1",
  "transport": "stdio",
  "identifier": "when-free",
  "runtimeHint": "uvx",
  "registryType": "pypi",
  "registryBaseUrl": "https://pypi.org",
  "packageArguments": [
    {
      "type": "positional",
      "value": "mcp"
    }
  ],
  "environmentVariables": [
    {
      "name": "WHENFREE_CALENDARS",
      "description": "Private iCal addresses of your calendars, comma-separated. Optional if you saved them with `whenfree add`."
    },
    {
      "name": "WHENFREE_TZ",
      "description": "Time zone for answers, like Europe/London. Default: the computer's."
    }
  ]
}

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.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "when-free-mcp": {
      "command": "uvx",
      "args": [
        "when-free==0.4.1",
        "mcp"
      ],
      "env": {
        "WHENFREE_CALENDARS": "<YOUR_WHENFREE_CALENDARS>",
        "WHENFREE_TZ": "<YOUR_WHENFREE_TZ>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "when-free-mcp": {
      "command": "uvx",
      "args": [
        "when-free==0.4.1",
        "mcp"
      ],
      "env": {
        "WHENFREE_CALENDARS": "<YOUR_WHENFREE_CALENDARS>",
        "WHENFREE_TZ": "<YOUR_WHENFREE_TZ>"
      }
    }
  }
}

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": {
    "when-free-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "when-free==0.4.1",
        "mcp"
      ],
      "env": {
        "WHENFREE_CALENDARS": "<YOUR_WHENFREE_CALENDARS>",
        "WHENFREE_TZ": "<YOUR_WHENFREE_TZ>"
      }
    }
  }
}

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": {
    "when-free-mcp": {
      "command": "uvx",
      "args": [
        "when-free==0.4.1",
        "mcp"
      ],
      "env": {
        "WHENFREE_CALENDARS": "<YOUR_WHENFREE_CALENDARS>",
        "WHENFREE_TZ": "<YOUR_WHENFREE_TZ>"
      }
    }
  }
}

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