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Lumen MCP does not connect #136

Description

@toolpaddz

Hello, after installing in Claude CLI via suggested commands from readme, Claude sessions fail to connect to lumen MCP. --debug log output is the following:

2026-04-24T13:23:04.349Z [ERROR] MCP server "plugin:lumen:lumen" Server stderr: Downloading lumen v0.0.37 for cygwin_nt-10.0-26200/amd64...
curl: (22) The requested URL returned error: 404

Version v0.0.37 not found, resolving latest release...
Falling back to v0.0.37...
curl: (22) The requested URL returned error: 404
2026-04-24T13:23:04.350Z [DEBUG] MCP server "plugin:lumen:lumen": Connection failed after 1039ms: MCP error -32000: Connection closed
2026-04-24T13:23:04.350Z [ERROR] MCP server "plugin:lumen:lumen" Connection failed: MCP error -32000: Connection closed

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