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Document STDIO on k8s limitation #238

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Document STDIO on k8s limitation
eleftherias Oct 15, 2025
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Update docs/toolhive/guides-k8s/run-mcp-k8s.mdx
eleftherias Oct 15, 2025
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8 changes: 8 additions & 0 deletions docs/toolhive/guides-k8s/run-mcp-k8s.mdx
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Expand Up @@ -65,6 +65,14 @@ flowchart LR
Proxy -->|Attaches/STDIO| MCP
```

:::info[STDIO Transport Limitation]

MCP servers using STDIO transport support only a single client connection at a
time. If you need to support multiple users or concurrent client connections,
use SSE (Server-Sent Events) or Streamable HTTP transport instead.

:::

### Streamable HTTP and SSE transport flow

For MCP servers using Server-Sent Events (SSE) or Stremable HTTP transport, the
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