eCFR.io Federal Regulations
Rank #35,911io.ecfr/ecfr
Search and read US federal regulations with legal and inline citations linking to ecfr.io.
eCFR.io Federal Regulations is a Model Context Protocol (MCP) server published by lrehmann. It ranks #35,911 of 137,875 servers tracked on MCP Toplist. eCFR.io Federal Regulations is listed across 2 registries — Official MCP and Glama, with 1 tracked version. It was first listed on Sep 30, 2026 and most recently updated on Sep 30, 2026.
Ranks ahead of 101,964 of 137,875 servers on MCP Toplist.
Use eCFR.io Federal Regulations
No credentials or required configuration declared — add it to your MCP client and go.
claude mcp add --transport http ecfr https://ecfr.io/mcp[mcp_servers.ecfr]
url = "https://ecfr.io/mcp"Add to ~/.codex/config.toml.
https://ecfr.io/mcpSettings → Connectors → “Add custom connector”, then paste this URL.
{
"mcpServers": {
"ecfr": {
"url": "https://ecfr.io/mcp"
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).
{
"servers": {
"ecfr": {
"type": "http",
"url": "https://ecfr.io/mcp"
}
}
}Save as .vscode/mcp.json in your workspace.
{
"mcpServers": {
"ecfr": {
"serverUrl": "https://ecfr.io/mcp"
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
{
"mcpServers": {
"ecfr": {
"url": "https://ecfr.io/mcp"
}
}
}Show your rank
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[](https://mcptoplist.com/server/io.ecfr%2Fecfr)<a href="https://mcptoplist.com/server/io.ecfr%2Fecfr"><img src="https://mcptoplist.com/badge/io.ecfr%2Fecfr.svg" alt="MCP Toplist: Top 50% of 137,875" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Listed on 2 registries
lrehmann
Other servers by lrehmann
View all lrehmann servers →Available versions (1)
| Version | Published |
|---|---|
| 1.0.0 | Sep 30, 2026 |
Frequently asked questions
- Who maintains eCFR.io Federal Regulations?
- eCFR.io Federal Regulations is maintained by lrehmann, which publishes 2 MCP servers (2 total versions) tracked on MCP Toplist.
- Is eCFR.io Federal Regulations listed on the Official MCP Registry?
- Yes — eCFR.io Federal Regulations is listed on the Official MCP Registry, alongside Glama.
- How many versions does eCFR.io Federal Regulations have?
- MCP Toplist tracks 1 version of eCFR.io Federal Regulations, most recently published on Sep 30, 2026.
- Where can I find the source code for eCFR.io Federal Regulations?
- The source code for eCFR.io Federal Regulations is hosted at github.com/lrehmann/ecfr-mcp.
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