[bug] Can't connect to Notion/Canva/Figma MCP #1945

Executor version

executor-selfhost:latest

How do you run Executor?

Self-host (Docker)

Operating system

Linux

Integration involved

MCP server

What happened

i am not able to connect successfully with Notion MCP, i get the connect to Notion screen asking to authorize and post that I get this error "Unknown OAuth client"

What you expected

connection to be successful

Steps to reproduce

1.Search Notion MCP in the Add an integration search input
2. Click Add Button of Notion MCP
3. Click View Button of Notion MCP
4. Click in Add Connection
5. Click in Connect, this open a Notion login, then I see this error

Diagnostics / logs

No response

Before you submit

• I searched the open issues for a duplicate.
• I removed all keys, tokens, and credentials from this report.