Open Vsx MCP Server
by mrfentmenio.github.mrfentmen/open-vsx-mcpv1.0.0
Keyless MCP server for Open VSX: VS Code extensions, versions, descriptions, download stats.
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Active18d ago
Install Open Vsx MCP server
Install in Claude Code
claude mcp add open-vsx -- npx -y open-vsx-mcpInstall in Cursor
{
"mcpServers": {
"open-vsx": {
"command": "npx",
"args": [
"-y",
"open-vsx-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"open-vsx": {
"command": "npx",
"args": [
"-y",
"open-vsx-mcp"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"open-vsx": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"open-vsx-mcp"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"open-vsx": {
"command": "npx",
"args": [
"-y",
"open-vsx-mcp"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Freshness
Active — last maintenance signal 18d ago. The newest of the signals below sets the band.
Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-09-21 · 18d ago · official registry · v1.0.0
FAQ
›How do I install the Open Vsx MCP server in Claude Code?
Run: claude mcp add open-vsx -- npx -y open-vsx-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Open Vsx require an API key?
No required environment variables are declared in its published metadata.
›Can I use Open Vsx as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Open Vsx in the official MCP registry?
Yes, as io.github.mrfentmen/open-vsx-mcp.