How to Use the iCal Calendar Parser MCP in Claude Code

Q: How do I add the iCal Calendar Parser MCP server to Claude Code?

Run claude mcp add --transport http ical-parser -- in your terminal, making sure all flags come before the server name. You can verify the installation by running claude mcp list.

Q: Can Claude Code write new events using iCal Calendar Parser?

No, the parseicalcalendar tool is purely for reading and parsing local .ics files. Claude Code can only analyze the static exported data you provide.

Q: How does the iCal Calendar Parser handle timezones in Claude Code?

The parseicalcalendar tool reads timezone offsets directly from the .ics file. Claude Code uses these offsets to display your meeting times accurately in your local terminal timezone.

Q: What file types can I parse?

The tool works with any standard .ics file exported from Google Calendar, Outlook, or Apple Calendar. Just provide Claude Code with the absolute path to the local file.

Parse local calendar exports from your terminal to let Claude Code script your availability and calculate meeting loads.

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Setup iCal Calendar Parser with Claude Code

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Parse local calendars from your terminal

Keep your hands on the keyboard. Pass the absolute path of your `.ics` export to Claude Code, which runs the `parse_ical_calendar` tool to turn raw calendar data into clean, structured JSON. Once parsed by Claude Code, you can pipe this structured calendar output to other command-line tools. Claude Code can instantly filter your meetings, extract organizer emails, or count your total hours spent in calls this week.

Script your availability via MCP Server

Automate your scheduling analysis directly from your shell. This MCP server lets Claude Code use the `parse_ical_calendar` tool to extract free blocks from your Outlook or Google Calendar exports. Your terminal agent can write shell scripts or cron jobs that periodically run this parser, giving you a terminal-based view of your upcoming open slots without opening a browser.

Calculate meeting metrics offline

Run fast audits of your schedule density. Claude Code uses the `parse_ical_calendar` tool to read your raw Apple Calendar files and count your total meetings. The Claude Code CLI agent processes the parsed calendar events to show you which days are overloaded, helping you optimize your terminal development blocks.

Setup guide

Set up iCal Calendar Parser MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see ical-calendar-parser-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest iCal Calendar Parser transactions." It will automatically discover and invoke the available iCal Calendar Parser tools.

Terminal

claude mcp add --transport http ical-calendar-parser-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

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Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the iCal Calendar Parser MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

{
  "mcpServers": {
    "ical-calendar-parser-mcp": {
      "type": "url",
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

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Common questions about iCal Calendar Parser MCP in Claude Code

Run `claude mcp add --transport http ical-parser -- ` in your terminal, making sure all flags come before the server name. You can verify the installation by running `claude mcp list`.

No, the `parse_ical_calendar` tool is purely for reading and parsing local `.ics` files. Claude Code can only analyze the static exported data you provide.

The `parse_ical_calendar` tool reads timezone offsets directly from the `.ics` file. Claude Code uses these offsets to display your meeting times accurately in your local terminal timezone.

The tool works with any standard `.ics` file exported from Google Calendar, Outlook, or Apple Calendar. Just provide Claude Code with the absolute path to the local file.

The server operates in an ephemeral V8 sandbox that processes your meeting titles and times strictly locally. No calendar data is sent to external servers, keeping your schedule private.

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