FlagQuantum MCP Server
by flagquantumio.github.FlagQuantum/flagquantum-mcp-serverv0.3.0
Build, compile, run and export FlagQuantum circuits locally. No credentials or outbound network.
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Active20d ago
Install FlagQuantum MCP server
Install in Claude Code
claude mcp add flagquantum -- uvx flagquantum-mcp-serverInstall in Cursor
{
"mcpServers": {
"flagquantum": {
"command": "uvx",
"args": [
"flagquantum-mcp-server"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"flagquantum": {
"command": "uvx",
"args": [
"flagquantum-mcp-server"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"flagquantum": {
"type": "stdio",
"command": "uvx",
"args": [
"flagquantum-mcp-server"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"flagquantum": {
"command": "uvx",
"args": [
"flagquantum-mcp-server"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| FLAGQUANTUM_MCP_MAX_QUBITS | — | — | Largest circuit width the server will process. Defaults to 24. |
| FLAGQUANTUM_MCP_MAX_GATES | — | — | Largest instruction count the server will process. Defaults to 10000. |
| FLAGQUANTUM_MCP_MAX_IR_BYTES | — | — | Largest serialized circuit payload accepted, in bytes. Defaults to 262144. |
Freshness
Active — last maintenance signal 20d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-09-19 · 20d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-09-19 · 20d ago · official registry · v0.3.0
FAQ
›How do I install the FlagQuantum MCP server in Claude Code?
Run: claude mcp add flagquantum -- uvx flagquantum-mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does FlagQuantum require an API key?
No required environment variables are declared in its published metadata.
›Can I use FlagQuantum as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is FlagQuantum in the official MCP registry?
Yes, as io.github.FlagQuantum/flagquantum-mcp-server.