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Codex with Lucid MCP

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Tried to add the codex with Lucid MCP Url

Login works with Codex
It return sucess - Authentication complete. You may close this window.
Successfully logged in to MCP server 'lucid'.

But getting follow error

MCP client for `lucid` failed to start: MCP startup failed: handshaking with MCP server failed: Send message error

Transport

[rmcp::transport::worker::WorkerTransport<rmcp::transport::streamable_http_client::StreamableHttpClientWorker<rmcp::tr

ansport::auth::AuthClient<reqwest::async_impl::client::Client>>>] error: Transport channel closed, when send

initialized notification

Jake BAnswer

Lucid product team

Thanks for reporting this! We believe we found and fixed the issue. Could you try connecting the Lucid MCP server to Codex again, and let us know if it’s working for you now?

C

Caden E

Lucid product team

Hi Priteshostwal,

It looks like there’s a bug in the Rust MCP client library. We’re working on a workaround.

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Jake BAnswer

Lucid product team

Thanks for reporting this! We believe we found and fixed the issue. Could you try connecting the Lucid MCP server to Codex again, and let us know if it’s working for you now?

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P

priteshostwalAuthor

Looks like now its working, But got another problem

What I cannot do cleanly through this MCP:

use Lucidchart’s native Azure shape library/stencil directly
drag/drop Microsoft Azure SVG icons into the Lucid canvas the way a human would in the UI

Why:

the lucid_create_diagram_from_specification tool supports Lucid standard shapes and layout primitives
it does not expose Lucid’s Azure library picker/stencil browser

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Jake B

Lucid product team

Looks like now its working, But got another problem

What I cannot do cleanly through this MCP:

use Lucidchart’s native Azure shape library/stencil directly
drag/drop Microsoft Azure SVG icons into the Lucid canvas the way a human would in the UI

Why:

the lucid_create_diagram_from_specification tool supports Lucid standard shapes and layout primitives
it does not expose Lucid’s Azure library picker/stencil browser

Thanks for the feedback. That’s a known limitation right now, but we’re looking to add those shapes soon!

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