fix: Fix MCP server host and transport in Docker environment #86
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gitbuda
reviewed
Oct 7, 2025
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| # Initialize FastMCP server with stateless HTTP (for streamable-http transport) | ||
| mcp = FastMCP("mcp-memgraph", stateless_http=True) | ||
| mcp = FastMCP("mcp-memgraph", host=MCP_HOST, stateless_http=True) |
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We should also make the stateless_http part configurable, and I think the default should be False because it seems that elicitations don't work if stateless_http=True 🤔
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Here are the changes:
FASTMCP_HOSTenv wasn't working for me, and the MCP server was not listening on 0.0.0.0 (which was important in Docker container so I can access it from the outside). I couldn't even find usage ofFASTMCP_HOSTin the Fast MCP GitHub repo. I've changed it toMCP_HOSTto be aligned withMCP_TRANSPORT(no mention of fast).streamable-httpis the default, butstdiowas the default. I've fixed it to match the docs, havingstreamable-httpas default.