Anthropic (reference server) · official
Time & Timezones
Reliable current time and timezone conversions.
Assistants are surprisingly bad at "what time is it in Tokyo when it's 3 pm here?" — this tiny reference skill gives them an exact clock and proper timezone conversion. No API key. Requires the Python tool "uv" (one-line install).
Install Time & Timezones
You need: an AI app that supports skills (pick yours above) · The Python tool `uv` — one-line install from docs.astral.sh/uv. Check with `uvx --version`.
Open Settings → Developer → Edit Config in Claude Desktop (this opens claude_desktop_config.json) and merge this block, then fully restart the app:
{
"mcpServers": {
"time": {
"command": "uvx",
"args": [
"mcp-server-time"
]
}
}
}Vendor
Anthropic (reference server)
Category
Productivity apps
API key
Not required
Source
FAQ
What is the Time & Timezones skill?
Assistants are surprisingly bad at "what time is it in Tokyo when it's 3 pm here?" — this tiny reference skill gives them an exact clock and proper timezone conversion. No API key. Requires the Python tool "uv" (one-line install).
How do I install Time & Timezones in Claude Desktop?
Open Settings → Developer → Edit Config in Claude Desktop and add a time entry under mcpServers (the install widget on this page generates the exact block). Fully restart the app afterwards. Local skills run on the Python tool uv — install it once from docs.astral.sh/uv.
Does Time & Timezones need an API key?
No. Time & Timezones works without an API key.
Which apps can use Time & Timezones?
Time & Timezones works with Claude Desktop, Claude Code, Cursor, VS Code — any app that supports the Model Context Protocol (MCP).
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