VS Code eCFR.io Federal Regulations Prompt/cite_regulations
How to: VS Code eCFR.io Federal Regulations cite_regulations
Add eCFR.io Federal Regulations to VS Code
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01
Open .vscode/mcp.json and merge this in. Keep any servers already there.
{
"servers": {
"ecfr": {
"type": "http",
"url": "https://ecfr.io/mcp"
}
}
}-
02
Save the file and restart VS Code.
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03
cite_regulations is surfaced in the client's prompt or command menu. Unlike a tool, you invoke it deliberately — VS Code will not call it for you.
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04
If it does not appear, check that eCFR.io Federal Regulations is connected and that you are looking at its prompts rather than its tools.
Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs
Same prompt, other clients
Read from the server itself, by connecting to it and calling prompts/list on 30 September 2026.
A listing does not declare its prompts, so asking is the only way to know them, and this
is what the server actually offers rather than what its listing claims. Names only are
stored; connect the server for each prompt's arguments.