6 tagged federal-register, measured the same way as everything else here.
cyanheads/federal-regulations-mcp-server
MCP server Claude CodeCodexCursor
Search and trace US federal rules across the Federal Register, eCFR, and Regulations.gov. Runs locally from the @cyanheads/federal-regulations-mcp-server npm package. Needs 2 environment variables to run.
pipeworx-io/mcp-federal-register
MCP server Claude CodeCodexCursor
Federal Register MCP — US Federal Register API (free, no auth). Remote server at gateway.pipeworx.io.
rival-intelligence/rival-regulatory-toolkit
MCP server Claude CodeCodexCursor
Read-only regulatory source retrieval, citation tracing, authority metadata, and recent filings. Runs locally from the @tryrival/regulatory-toolkit npm package. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor
US Federal Register for AI agents: rules, notices and executive orders. No API keys. Remote server at regulatory.datakoot.com.
MCP server Claude CodeCodexCursor
Regulatory compliance, FDA recalls, federal register, enforcement actions & comment deadlines. Remote server at compliance-mcp-production.up.railway.app.
MCP server Claude CodeCodexCursor
MCP server "us-law-mcp" as configured in seelpeed-debug/us-law-mcp. Runs locally from the us-law-mcp npm package.