MCP server

Perfect Clock Official

cc.perfectclock/perfect-clock

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

Find meeting times across time zones and compare working hours.

Working at last checkVerified publisher: perfectclock.ccAbout 1,234 tokens per request once connected2 tools

https://perfectclock.cc/mcp

At a glance

Type: MCP server
Publisher: perfectclock.cc (verified by the MCP Registry)
Status: Working at last check
Tools: 2
Token cost: About 1,234 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 25 Oct 2026, 20:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http perfect-clock https://perfectclock.cc/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.perfect-clock]
url = "https://perfectclock.cc/mcp"

Gemini CLI

{"mcpServers":{"perfect-clock":{"httpUrl":"https://perfectclock.cc/mcp"}}}

Cursor

{"mcpServers":{"perfect-clock":{"url":"https://perfectclock.cc/mcp"}}}

VS Code

{"servers":{"perfect-clock":{"type":"http","url":"https://perfectclock.cc/mcp"}}}

Antigravity

agy mcp add perfect-clock https://perfectclock.cc/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"perfect-clock","server_url":"https://perfectclock.cc/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"perfect-clock","server_url":"https://perfectclock.cc/mcp"}

find_meeting_windows ~491 tokens
Finds when people in other time zones can meet, when the time is not decided yet: the windows on each day when all participants are within their working hours, accounting for weekends, public holidays and daylight-saving changes, and one suggested start time that fits the most days. Saves that sugge
plan_meeting_schedule ~743 tokens
Plans a one-off or recurring meeting with people in other time zones when its time is known (e.g. "every other Tuesday at 10:00 Berlin time with Anna in Tbilisi"). Expands it into concrete dates and shows each one in every participant's local time, with working-hours checks, public holidays and dayl

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Find meeting times that overlap working hours across IANA time zones, DST-aware. Free tier.
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Deterministic claim verification with receipts across ~60 domains. No model in the loop.
Ciro Cesar Maciel — Free Tools
Free, no sign-in: favicons, web to Markdown, CSV to chart, text to speech, time zones, passwords.

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