.vscode/mcp.json or your user settings.
Workspace config
Create.vscode/mcp.json:
inputs means VS Code prompts you for the key the first time (and stores it securely) instead of writing it in plain text into a file you might commit.
User settings (all workspaces)
Command Palette → MCP: Open User Configuration, and add the samexentfi entry under your VS Code version’s MCP servers section in settings.json.
Enabling it
1
List servers
Command Palette → MCP: List Servers → confirm
xentfi shows as running.2
Use agent mode
Open Copilot Chat, switch to Agent mode — XentFi tools are offered automatically when relevant.
3
Debug if needed
Command Palette → MCP: Show Server Output, look for
[xentfi-mcp] lines.VS Code’s MCP integration has changed across releases. If
.vscode/mcp.json isn’t picked up, check the Command Palette for the current MCP commands in your installed version and use MCP: Add Server to generate a stub, then fill in the command/args/env from the snippet above.Next steps
Tools Reference
See every available tool.
Codex / Agents SDK
Another way to build with these tools programmatically.

