Search and trace US federal rules across the Federal Register, eCFR, and Regulations.gov.
Search and trace US federal rules across the Federal Register, eCFR, and Regulations.gov.
regulations_get_docket, regulations_find_comments, and comment counts in regulations_list_open_comments). The Federal Register and eCFR tools need no key. The shared key allows 1,000 requests/hour.Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| regulations_search_rules | Federal Register |
| regulations_get_document | Federal Register |
| regulations_browse_cfr | eCFR |
| regulations_get_cfr_section | eCFR |
| regulations_get_docket | Regulations.gov |
| regulations_find_comments | Regulations.gov |
| regulations_list_open_comments | Federal Register (+ Reg.gov enrich) |
{
"mcpServers": {
"federal-regulations-mcp-server": {
"type": "streamable-http",
"url": "https://federal-regulations.caseyjhand.com/mcp"
}
}
}Configuration as documented by the project. Restart the client after saving.
regulations_get_docket, regulations_find_comments, and comment counts in regulations_list_open_comments). The Federal Register and eCFR tools need no key. The shared key allows 1,000 requests/hour.| Variable | Description | Required |
|---|---|---|
| MCP_TRANSPORT_TYPE | Configuration value read at startup. | Optional |
| MCP_LOG_LEVEL | Configuration value read at startup. | Optional |
| REGULATIONS_GOV_API_KEY | Credential the server authenticates with. | Yes |
| FEDERAL_REGISTER_BASE_URL | Endpoint or connection string the server talks to. | Yes |
| ECFR_BASE_URL | Endpoint or connection string the server talks to. | Yes |
| REGULATIONS_GOV_BASE_URL | Endpoint or connection string the server talks to. | Yes |
| ECFR_MIRROR_PATH | Filesystem location the server is allowed to use. | Optional |
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