OpenSignup

Claude connectorCommunity

Build free, ad-free sign-up sheets for volunteer shifts, team snacks, carpools, and potlucks. Describe what you need and Claude sets up the…

View in Claude directory

OpenSignup makes ad-free, open-source sign-up sheets for snack rotas, potlucks, volunteer shifts, carpools, and anything else where people pick a slot. Participants click a link, choose a slot, and they're done. They never create an account.

With this connector, you describe what you need and Claude builds it:

  • Set up a whole signup in one request: "Build me a snack rota for six Saturday games starting 3 October, two families per game."
  • Change it as plans change: add, edit, reorder, or remove slots and fields, and set how many people each slot needs.
  • Update the title, description, or closing time, and turn reminder emails on or off.
  • Publish when you're ready, then close, archive, or delete when you're done.
  • See all your signups and how full each slot is.

New signups start as drafts that participants can't see. Claude gives you a preview link to check its work and an edit link to change anything yourself, then the public link to share once you publish.

Claude can't see who signed up: participant names and emails aren't shared with it. Disconnect at any time from Connected apps in your account settings.

Free to use at opensignup.org.

OpenSignup is #6,808 of 11,065 Claude connectors by popularity, down 696 places in a week.

Tools
16

exposed by this connector

Movement

From our daily snapshots over the last 30 days.

Rank by popularity

#6808of 11,06599places down24h696places down7d
#4,216#4,924#5,632#6,340Oct 17Oct 23Oct 29Nov 4Nov 10Nov 15

Rank by trending score

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Popularity score

3,700024h07d
3,1173,2763,4353,5943,753Oct 17Oct 23Oct 29Nov 4Nov 10Nov 15

Trending score

——24h—7d
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1 listing change logged · latest Nov 13: Name. See what changed

In its categories

How this connector compares with others in the same category. Positions are counted within the category, not across the whole directory.

Productivity3,715th of 6,074 by popularity · not ranked by trending score
Order by

All 6,129 Productivity connectors

Nonprofit63rd of 100 by popularity · not ranked by trending scoreAll 100 Nonprofit connectors
Education445th of 729 by popularity · not ranked by trending scoreAll 732 Education connectors
Communication712th of 1,188 by popularity · not ranked by trending scoreAll 1,199 Communication connectors

Tools

  • add_field
  • add_slots
  • archive_signup
  • close_signup
  • create_signup
  • delete_field
  • delete_signup
  • delete_slot
  • get_signup
  • list_signups
  • list_workspaces
  • publish_signup
  • reorder_slots
  • update_field
  • update_signup
  • update_slot
Categories
Made by
OpenSignup · Website
Sign-in
Required
Connector URL
https://opensignup.org/api/mcp
Transport
Streamable HTTP
Works with
Claude, Claude API, Claude Code, Claude Desktop
Added
September 24, 2026
More info
Sponsorship
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