Errors with this config #3
Description
This config works great with Factory/Droid, but produces multiple errors with mcp-cli. Removing mcp-language-server helps, but it is the whole point :)
{
"mcpServers": {
"lsp-nix": {
"command": "mcp-language-server",
"args": [
"--workspace=.",
"--lsp=nil"
]
},
"lsp-biome": {
"command": "mcp-language-server",
"args": [
"--workspace=.",
"--lsp=biome",
"--",
"lsp-proxy"
]
},
"lsp-bash": {
"command": "mcp-language-server",
"args": [
"--workspace=.",
"--lsp=bash-language-server",
"--",
"start"
]
},
"lsp-yaml": {
"command": "mcp-language-server",
"args": [
"--workspace=.",
"--lsp=yaml-language-server",
"--",
"--stdio"
]
},
"lsp-lua": {
"command": "mcp-language-server",
"args": [
"--workspace=.",
"--lsp=lua-language-server"
]
},
"nixos-reference": {
"command": "mcp-nixos",
"args": []
},
"repomix": {
"command": "repomix",
"args": [
"--mcp"
]
}
}
}
here:
mcp-cli-dev
2026/01/10 19:32:38.879571 [INFO][core] MCP Language Server starting
2026/01/10 19:32:38.890821 [INFO][watcher] Initialized gitignore matcher for /home/chuck/git/mcp-cli
2026/01/10 19:32:38.893274 [INFO][core] MCP Language Server starting
2026/01/10 19:32:38.893865 [INFO][lsp] LSP connection closed (EOF)
2026/01/10 19:32:38.893915 [INFO][lsp-process] 2026-01-10T18:32:38.891073Z ERROR nil: Unexpected error: protocol error: Unexpected initialized notification on state Ready
2026/01/10 19:32:38.901436 [INFO][core] MCP Language Server starting
2026/01/10 19:32:38.902316 [INFO][core] MCP Language Server starting
2026/01/10 19:32:38.923486 [INFO][core] MCP Language Server starting
2026/01/10 19:32:39.016729 [INFO][watcher] Initialized gitignore matcher for /home/chuck/git/mcp-cli
2026/01/10 19:32:39.020106 [WARN][lsp] Method not found: client/unregisterCapability
2026/01/10 19:32:39.020200 [WARN][lsp] Method not found: client/unregisterCapability
2026/01/10 19:32:39.020955 [INFO][lsp] Registration received for method: workspace/didChangeWatchedFiles, id: biome_did_change_watched_files
2026/01/10 19:32:39.021263 [INFO][watcher] Added 4 file watcher registrations (id: biome_did_change_watched_files), total: 4
2026/01/10 19:32:39.021313 [INFO][lsp] Registration received for method: workspace/didChangeConfiguration, id: biome_did_change_extension_settings
2026/01/10 19:32:39.021383 [INFO][lsp] Registration received for method: workspace/didChangeWatchedFiles, id: biome_did_change_watched_files
2026/01/10 19:32:39.022128 [INFO][watcher] Added 4 file watcher registrations (id: biome_did_change_watched_files), total: 8
2026/01/10 19:32:39.022185 [INFO][lsp] Registration received for method: workspace/didChangeConfiguration, id: biome_did_change_extension_settings
2026/01/10 19:32:39.022361 [ERROR][watcher] Error parsing pattern: unknown BaseURI type: protocol.WorkspaceFolder
..........
2026/01/10 19:32:39.028643 [ERROR][watcher] Error parsing pattern: unknown BaseURI type: protocol.WorkspaceFolder
2026/01/10 19:32:39.029006 [INFO][watcher] Workspace scan complete: processed 31 files in 0.01 seconds
2026/01/10 19:32:39.029010 [ERROR][watcher] Error parsing pattern: unknown BaseURI type: protocol.WorkspaceFolder
..........
2026/01/10 19:32:39.032764 [ERROR][watcher] Error parsing pattern: unknown BaseURI type: protocol.WorkspaceFolder
2026/01/10 19:32:39.032799 [INFO][watcher] Workspace scan complete: processed 31 files in 0.01 seconds
2026/01/10 19:32:39.113663 [INFO][watcher] Initialized gitignore matcher for /home/chuck/git/mcp-cli
2026/01/10 19:32:39.435243 [INFO][watcher] Initialized gitignore matcher for /home/chuck/git/mcp-cli
2026/01/10 19:32:39.513811 [INFO][lsp] Registration received for method: workspace/didChangeConfiguration, id: workspace/didChangeConfiguration
2026/01/10 19:32:39.513995 [INFO][lsp] Registration received for method: workspace/didChangeConfiguration, id: workspace/didChangeConfiguration
2026/01/10 19:32:39.543893 [INFO][watcher] Initialized gitignore matcher for /home/chuck/git/mcp-cli
2026/01/10 19:32:39.545131 [INFO][lsp] Registration received for method: workspace/didChangeConfiguration, id: c9aa6244-73ef-473f-87bd-49f36616140e
2026/01/10 19:32:39.547100 [INFO][lsp] Registration received for method: workspace/didChangeConfiguration, id: 8892ced2-5067-476a-8c94-5cb2cfb872a8
2026/01/10 19:32:39.891335 [INFO][core] Successfully registered all MCP tools
2026/01/10 19:32:40.010022 [INFO][core] Successfully registered all MCP tools
2026/01/10 19:32:40.112355 [INFO][core] Successfully registered all MCP tools
2026/01/10 19:32:40.435135 [INFO][core] Successfully registered all MCP tools
2026/01/10 19:32:40.543003 [INFO][core] Successfully registered all MCP tools
2026/01/10 19:32:41.923966 [INFO][core] Received signal terminated in PID: 11338
2026/01/10 19:32:41.924016 [INFO][core] Cleanup initiated for PID: 11338
2026/01/10 19:32:41.924026 [INFO][core] Closing open files
2026/01/10 19:32:41.924062 [INFO][core] Sending shutdown request
2026/01/10 19:32:41.924162 [ERROR][core] Shutdown request failed: failed to send request: failed to write header: write |1: broken pipe
2026/01/10 19:32:41.924184 [INFO][core] Shutdown request completed
2026/01/10 19:32:41.924188 [INFO][core] Sending exit notification
2026/01/10 19:32:41.924206 [ERROR][core] Exit notification failed: failed to send notification: failed to write header: write |1: broken pipe
2026/01/10 19:32:41.924211 [INFO][core] Closing LSP client
2026/01/10 19:32:41.924287 [ERROR][core] Failed to close LSP client: exit status 101
2026/01/10 19:32:41.924294 [INFO][core] Cleanup completed for PID: 11338
2026/01/10 19:32:41.924303 [INFO][core] Server shutdown complete for PID: 11338
2026/01/10 19:32:42.018915 [INFO][core] Received signal terminated in PID: 11345
2026/01/10 19:32:42.018951 [INFO][core] Cleanup initiated for PID: 11345
2026/01/10 19:32:42.018974 [INFO][core] Closing open files
2026/01/10 19:32:42.018997 [INFO][core] Sending shutdown request
2026/01/10 19:32:42.019978 [INFO][core] Shutdown request completed
2026/01/10 19:32:42.019995 [INFO][core] Sending exit notification
2026/01/10 19:32:42.020016 [INFO][core] Closing LSP client
2026/01/10 19:32:42.028223 [INFO][lsp] LSP connection closed (EOF)
2026/01/10 19:32:42.028287 [INFO][core] Cleanup completed for PID: 11345
2026/01/10 19:32:42.028312 [INFO][core] Server shutdown complete for PID: 11345
2026/01/10 19:32:42.121558 [INFO][core] Received signal terminated in PID: 11377
2026/01/10 19:32:42.121587 [INFO][core] Cleanup initiated for PID: 11377
2026/01/10 19:32:42.121603 [INFO][core] Closing open files
2026/01/10 19:32:42.122036 [INFO][core] Sending shutdown request
2026/01/10 19:32:42.447738 [INFO][core] Received signal terminated in PID: 11356
2026/01/10 19:32:42.447777 [INFO][core] Cleanup initiated for PID: 11356
2026/01/10 19:32:42.447795 [INFO][core] Closing open files
2026/01/10 19:32:42.447822 [INFO][core] Sending shutdown request
2026/01/10 19:32:42.448982 [INFO][core] Shutdown request completed
2026/01/10 19:32:42.449015 [INFO][core] Sending exit notification
2026/01/10 19:32:42.449316 [INFO][core] Closing LSP client
2026/01/10 19:32:42.490407 [INFO][lsp] LSP connection closed (EOF)
2026/01/10 19:32:42.491822 [INFO][core] Cleanup completed for PID: 11356
2026/01/10 19:32:42.491857 [INFO][core] Server shutdown complete for PID: 11356
2026/01/10 19:32:42.559096 [INFO][core] Received signal terminated in PID: 11350
2026/01/10 19:32:42.559128 [INFO][core] Cleanup initiated for PID: 11350
2026/01/10 19:32:42.559142 [INFO][core] Closing open files
2026/01/10 19:32:42.559173 [INFO][core] Sending shutdown request
2026/01/10 19:32:42.561702 [INFO][core] Shutdown request completed
2026/01/10 19:32:42.561802 [INFO][core] Sending exit notification
2026/01/10 19:32:42.562042 [INFO][core] Closing LSP client
2026/01/10 19:32:42.980372 [INFO][lsp] LSP connection closed (EOF)
2026/01/10 19:32:42.981335 [INFO][core] Cleanup completed for PID: 11350
2026/01/10 19:32:42.981391 [INFO][core] Server shutdown complete for PID: 11350
2026/01/10 19:32:43.124422 [WARN][core] Shutdown request timed out, proceeding with exit
2026/01/10 19:32:43.124444 [INFO][core] Sending exit notification
2026/01/10 19:32:43.124512 [INFO][core] Closing LSP client
╭────────────────────────────────────────────────────────────────────────────╮
│ │
│ _ __ ___ _____ __ __ _____________ ____ ____ │
│ _ __ ___ .'____/___ ______/ /_/ |/ / ____/ __ \ |___ \ / __ \ │
│ _ __ ___ / /_ / __ `/ ___/ __/ /|_/ / / / /_/ / ___/ / / / / / │
│ _ __ ___ / __/ / /_/ (__ ) /_/ / / / /___/ ____/ / __/_/ /_/ / │
│ _ __ ___ /_/ \____/____/\__/_/ /_/\____/_/ /_____(*)____/ │
│ │
│ │
│ FastMCP 2.0 │
│ │
│ │
│ 🖥️ Server name: mcp-nixos │
│ 📦 Transport: STDIO │
│ │
│ 🏎️ FastMCP version: 2.12.5 │
│ 🤝 MCP SDK version: 1.25.0 │
│ │
│ 📚 Docs: https://gofastmcp.com │
│ 🚀 Deploy: https://fastmcp.cloud │
│ │
╰────────────────────────────────────────────────────────────────────────────╯
[01/10/26 19:32:43] INFO Starting MCP server 'mcp-nixos' with transport 'stdio' server.py:1502
lsp-bash
• definition
• diagnostics
• edit_file
• hover
• references
• rename_symbol
lsp-biome
• definition
• diagnostics
• edit_file
• hover
• references
• rename_symbol
lsp-lua
• definition
• diagnostics
• edit_file
• hover
• references
• rename_symbol
lsp-nix
• definition
• diagnostics
• edit_file
• hover
• references
• rename_symbol
lsp-yaml
• definition
• diagnostics
• edit_file
• hover
• references
• rename_symbol
nixos-reference
• nix
• nix_versions
repomix
• pack_codebase
• pack_remote_repository
• generate_skill
• attach_packed_output
• read_repomix_output
• grep_repomix_output
• file_system_read_file
• file_system_read_directory