Overlap — find a time a group is free (when2meet/Doodle alternative)

Free no-login group availability poll; reads back the best meeting time for a group.

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
100%
Naming quality
100%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~368Tokens (tool definitions)
~1.3 KBTypical response size
Minimal attention impact (0.29% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "group-scheduling-when2meet": {
      "url": "https://overlap.notdown-app.workers.dev/mcp"
    }
  }
}

Remote endpoints

https://overlap.notdown-app.workers.dev/mcpstreamable-http

What it can do

Tool inventory

Tools (2)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟡create_event(title, dates, start_hour, end_hour, slot_minutes, ...)

Create a free group-scheduling event (a when2meet/Doodle alternative) and get a shareable link. Use this when a human asks you to find a time for a group to meet. Returns a public event_url anyone can open with no login to paint when they're free. Then call get_results to see the time slot the most people overlap.

Input Schema

{
  "type": "object",
  "properties": {
    "title": {
      "type": "string",
      "description": "What the meeting is for, e.g. \"Team sync\" or \"D&D session\"."
    },
    "dates": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Candidate dates, each YYYY-MM-DD. 1-21 dates."
    },
    "start_hour": {
      "type": "number",
      "description": "Earliest hour to consider, 0-23 (default 9)."
    },
    "end_hour": {
      "type": "number",
      "description": "Latest hour to consider, 1-24 (default 17)."
    },
    "slot_minutes": {
      "type": "number",
      "description": "Slot granularity: 30 or 60 (default 30)."
    },
    "tz": {
      "type": "string",
      "description": "Organizer timezone label, e.g. \"US/Eastern\" (default local). Best slots are shown to each viewer in their own local time."
    }
  },
  "required": [
    "title",
    "dates"
  ]
}
🟢get_results(id)

Read the current responses for an Overlap event and get the best meeting times (the slots where the most people are free). Pass the event id (the code after /e/ in the event_url).

Input Schema

{
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "The event id from the event_url (the part after /e/)."
    }
  },
  "required": [
    "id"
  ]
}

Community

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Evidence

Recent observations

verifiedversion not recorded2 tools
verifiedversion not recorded2 tools