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Hi,
I have a custom application on Slack and I want to use the application to perform different actions from Salesforce to slack. I am getting the below error while sending a message from the SF flow to slack app channel.
#Slack DevelopersAdam Siegel asked in #Slack Community Hi all 👋
I've spent the last few weeks building a Slack app that watches public channels, detects when a thread has been resolved, and automatically saves the resolution as searchable team knowledge. The next time someone asks something similar, the bot surfaces the past answer right in the thread (or via DM, if you ask it directly).
The app has cleared all of Slack's automated marketplace checks except one: the platform requires installs across 5 active workspaces before a marketplace submission can be reviewed. Asking the developer community here because you're the people most likely to get the gate and have the right context to give meaningful feedback.
What I'm asking for:
- Install ResolveOS on a Slack workspace you admin (test workspace is fine, real workspace is even better)
- Use it for ~7 days so I can hit the "active workspace" bar
- Share any feedback that comes up — bugs, friction, "why on earth did you build it like that"
What you get in return:
- Free lifetime access for early testers — locked in before any pricing goes live
- A 30-minute Zoom call with me to install the app together, walk through the AI pipeline (resolution detection → summarisation → semantic embeddings → DM Q&A), and answer any questions while we're live. I'll handle every step on screenshare so you don't lift a finger past clicking "Authorize."
- Direct line to me for any issues over the testing period
Quick technical notes for anyone curious:
- Built on TanStack Start, PostgreSQL + pgvector for semantic search, OpenAI for resolution detection / summarisation / embeddings
- Auto-joins every public channel on install (rate-limit-aware, resumable across restarts) and subscribes to channel_created for ongoing coverage
- Sign in with Slack (OIDC) for the web inbox at app.resolveos.co
If you're up for it, comment below or DM me with your timezone and I'll send a Calendly link for the 30-minute install call. Happy to answer any questions about the app or the marketplace process here too.
Thanks for reading 🙏 — Adam
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