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MCP additionalProperties JSON Schema Error #6355
Description
What version of Effect is running?
4.0.0-beta.60
What steps can reproduce the bug?
When i try to connect HTTP Streamable MCP in Groq Desktop App, it successfully initializes and discover tools but when in chat throws this error
When I try to connect the HTTP Streamable MCP in the Groq Desktop App,
it initializes successfully and discovers the tools, but during chat it throws the following error:What is the expected behavior?
No response
What do you see instead?
No response
Additional information
No response
Activity
IMax153 commentedon Jul 14, 2026
@envoy1084 - it doesn't look like the error you encountered is actually shown in the issue description. Please update with the error you encountered so we can investigate / triage.