fix(slackbot): use MCPServerStreamableHTTP for FastMCP.app#1271
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fix(slackbot): use MCPServerStreamableHTTP for FastMCP.app#1271
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FastMCP.app uses streamable HTTP transport (POST-based), not SSE (GET-based). MCPServerHTTP was returning 405 Method Not Allowed.
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Pull request overview
This PR fixes a 405 Method Not Allowed error in the slackbot example by switching from MCPServerHTTP to MCPServerStreamableHTTP. FastMCP.app uses POST-based streamable HTTP transport rather than GET-based SSE, requiring the correct transport class.
Key Changes
- Updated MCP server import to use
MCPServerStreamableHTTP - Changed the
slack_search_mcpinstantiation to use the correct transport class
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Summary
FastMCP.app uses streamable HTTP transport (POST-based), not SSE (GET-based). The previous
MCPServerHTTPwas returning 405 Method Not Allowed.Fix
MCPServerHTTP→MCPServerStreamableHTTP🤖 Generated with Claude Code