US Code of Federal Regulations MCP Server
by mccallario.github.mccallar/cfr-mcpv0.2.2
Look up, search, and track changes to the US Code of Federal Regulations (eCFR).
context tax
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security
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freshness
Maintained41d ago
Install US Code of Federal Regulations MCP server
Install in Claude Code
claude mcp add cfr -- uvx cfr-mcpInstall in Cursor
{
"mcpServers": {
"cfr": {
"command": "uvx",
"args": [
"cfr-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"cfr": {
"command": "uvx",
"args": [
"cfr-mcp"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"cfr": {
"type": "stdio",
"command": "uvx",
"args": [
"cfr-mcp"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"cfr": {
"command": "uvx",
"args": [
"cfr-mcp"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Freshness
Maintained — last maintenance signal 41d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-08-29 · 41d ago · GitHub
Latest release
2026-08-29 · 41d ago · GitHub · v0.2.2
Package published
no data · npm/PyPI
Registry entry updated
2026-08-29 · 41d ago · official registry · v0.2.2
FAQ
›How do I install the US Code of Federal Regulations MCP server in Claude Code?
Run: claude mcp add cfr -- uvx cfr-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does US Code of Federal Regulations require an API key?
No required environment variables are declared in its published metadata.
›Can I use US Code of Federal Regulations as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is US Code of Federal Regulations in the official MCP registry?
Yes, as io.github.mccallar/cfr-mcp.