Fusion MCP Server disconnects immediately after initialize - Claude Desktop Windows

Fusion MCP Server disconnects immediately after initialize - Claude Desktop Windows

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Fusion MCP Server disconnects immediately after initialize - Claude Desktop Windows

ezouania
Community Visitor
Community Visitor

OS: Windows
Claude Desktop: version May 23 2026
Fusion 360: dernière version

Problème : Le serveur MCP Fusion se connecte, reçoit le message
"initialize" de Claude Desktop, puis se déconnecte immédiatement
avec "Server transport closed unexpectedly".

Log typique :
- Server started and connected successfully
- Message from client: initialize (protocolVersion: 2025-11-25)
- Server transport closed unexpectedly
- Server disconnected

Testé : pare-feu désactivé, Node.js v24, redémarrages multiples.
Le problème persiste systématiquement.

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