--- title: "37signals apps on ChatGPT and Claude · OpenApps" description: "OpenApps covers 2 listings by 37signals: 1 ChatGPT app and 1 Claude connector. Best ranked: Basecamp, #2249 in ChatGPT Productivity." url: https://theopenapps.com/publishers/37signals --- > AI agents: this is one page of OpenApps as Markdown. https://theopenapps.com/llms.txt maps the site, the API and the MCP server. # 37signals Listings 2 1 ChatGPT app · 1 Claude connector Top rank now #2249 76 down · 1d Basecamp · ChatGPT Productivity Countries 48/48 Best ChatGPT listing On a ChatGPT shelf 0 Not featured With an MCP status 1 of 1 on Claude ## Listings Change | # | 1D7D | App | Chart | Also on | Created / launched | | --- | --- | --- | --- | --- | --- | | 2249 | 76 down | [Basecamp](https://theopenapps.com/chatgpt/apps/basecamp) ChatGPT · Apps SDK Productivity [Claude](https://theopenapps.com/claude/connectors/basecamp) [Cursor](https://theopenapps.com/app/cursor/74589163) [Grok Bot](https://theopenapps.com/app/grokbot/74589163) | Productivity | [Claude](https://theopenapps.com/claude/connectors/basecamp) [Cursor](https://theopenapps.com/app/cursor/74589163) [Grok Bot](https://theopenapps.com/app/grokbot/74589163) | Oct 16 | | — | | [Basecamp](https://theopenapps.com/claude/connectors/basecamp) Claude · Connector Not ranked [ChatGPT](https://theopenapps.com/chatgpt/apps/basecamp) [Cursor](https://theopenapps.com/app/cursor/74589163) [Grok Bot](https://theopenapps.com/app/grokbot/74589163) | Not ranked | [ChatGPT](https://theopenapps.com/chatgpt/apps/basecamp) [Cursor](https://theopenapps.com/app/cursor/74589163) [Grok Bot](https://theopenapps.com/app/grokbot/74589163) | Oct 16 | ## Facts Stores ChatGPT 1 Claude 1 Categories Productivity Earliest October 16, 2026 Names 37signals · ChatGPT, Claude ## Linked identities 3 linked identities Pro ## Cross-store products * [Basecamp (ChatGPT + Claude + Cursor + Grok Bot)](https://theopenapps.com/apps/basecamp) ## Other publishers in several stores * [Cursor (223 listings)](https://theopenapps.com/publishers/cursor-publisher) * [Adzviser LLC (69 listings)](https://theopenapps.com/publishers/adzviser) * [Zovo (61 listings)](https://theopenapps.com/publishers/zovo) * [Devino Solutions (36 listings)](https://theopenapps.com/publishers/14930398canada) * [AWS (36 listings)](https://theopenapps.com/publishers/aws) * [Abracadabrax (27 listings)](https://theopenapps.com/publishers/abracadabrax) * [Ideation Lab, Corp. (23 listings)](https://theopenapps.com/publishers/ideationlab) * [ManyMotions (22 listings)](https://theopenapps.com/publishers/clipwave)