OpenAPI MCP Endpoints not working open-webui/mcpo #8623

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opened 2026-02-16 18:10:24 -05:00 by yindo · 1 comment
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Originally created by @itguy327 on GitHub (Feb 5, 2026).

Originally assigned to: @thdxr on GitHub.

Description

I have MCP Servers exposed via https://github.com/open-webui/mcpo
Using type = remote in opencode.json doesn't seem to work with these openapi type endpoints

Just curious if this is on the radar or if there is a way to use a gateway style mcpo for tools

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Originally created by @itguy327 on GitHub (Feb 5, 2026). Originally assigned to: @thdxr on GitHub. ### Description I have MCP Servers exposed via https://github.com/open-webui/mcpo Using type = remote in opencode.json doesn't seem to work with these openapi type endpoints Just curious if this is on the radar or if there is a way to use a gateway style mcpo for tools ### Plugins _No response_ ### OpenCode version _No response_ ### Steps to reproduce _No response_ ### Screenshot and/or share link _No response_ ### Operating System _No response_ ### Terminal _No response_
yindo added the bug label 2026-02-16 18:10:24 -05:00
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@github-actions[bot] commented on GitHub (Feb 5, 2026):

This issue might be a duplicate of existing issues. Please check:

  • #9425: Remote MCP type shows 'connected' but silently fails to register tools (exact same symptom)
  • #8058: Add HTTP Streamable transport support for remote MCP servers (mcpo gateway may use this transport)
  • #11417: Session ends after MCP tool calls when using Anthropic-compatible gateways (relates to gateway-style configurations)
  • #8406: Connection hangs with non-standard SSE/HTTP servers (mcpo may have non-standard handshake patterns)

Feel free to ignore if none of these address your specific case.

@github-actions[bot] commented on GitHub (Feb 5, 2026): This issue might be a duplicate of existing issues. Please check: - #9425: Remote MCP type shows 'connected' but silently fails to register tools (exact same symptom) - #8058: Add HTTP Streamable transport support for remote MCP servers (mcpo gateway may use this transport) - #11417: Session ends after MCP tool calls when using Anthropic-compatible gateways (relates to gateway-style configurations) - #8406: Connection hangs with non-standard SSE/HTTP servers (mcpo may have non-standard handshake patterns) Feel free to ignore if none of these address your specific case.
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Reference: anomalyco/opencode#8623