US Federal Register for AI agents: rules, notices, executive orders, agency lookup. No keys.
Maintain this server? Claim it
Call this server's tools from your browser. Nothing to install.
Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.
Tool list from our last check. Connect live to refresh it.
Look up US federal agencies and their slugs (used to filter the other tools by issuing agency). Optionally pass a query to match by name, e.g. 'environmental' or 'defense'.
Filter agencies whose name contains this text.
Look up US federal agencies and their slugs (used to filter the other tools by issuing agency). Optionally pass a query to match by name, e.g. 'environmental' or 'defense'.
| Argument | Type | Description |
|---|---|---|
| query | string | Filter agencies whose name contains this text. |
{
"type": "object",
"required": [],
"properties": {
"query": {
"type": "string",
"description": "Filter agencies whose name contains this text."
}
}
}Get full detail on a single Federal Register document by its document number (e.g. '2026-12811'): abstract, action, effective date, comment deadline, CFR references, citation, topics, agencies and links.
| Argument | Type | Description |
|---|---|---|
| document_number* | string | Federal Register document number, e.g. 2026-17888. Get one from search_documents or recent_documents. |
{
"type": "object",
"required": [
"document_number"
],
"properties": {
"document_number": {
"type": "string",
"description": "Federal Register document number, e.g. 2026-17888. Get one from search_documents or recent_documents."
}
}
}Search recent US presidential Executive Orders published in the Federal Register. Optionally filter by keyword and date. Returns EO number, signing/publication date, title and links.
| Argument | Type | Description |
|---|---|---|
| term | string | Optional keyword to search within executive orders. |
| since | string | Only EOs published on/after this date (YYYY-MM-DD). |
| per_page | integer | Results to return (default 10, max 30). |
{
"type": "object",
"required": [],
"properties": {
"term": {
"type": "string",
"description": "Optional keyword to search within executive orders."
},
"since": {
"type": "string",
"description": "Only EOs published on/after this date (YYYY-MM-DD)."
},
"per_page": {
"type": "integer",
"default": 10,
"description": "Results to return (default 10, max 30)."
}
}
}List the most recent Federal Register documents, optionally filtered by type and issuing agency, over a look-back window. Use this to monitor newly published rules/notices from an agency.
| Argument | Type | Description |
|---|---|---|
| days | integer | Look back this many days (default 7, max 90). |
| type | string | Document type. One of: rule, proposed_rule, notice, presidential_document. |
| agency | string | Agency slug (from the 'agencies' tool). |
| per_page | integer | Results to return (default 15, max 30). |
{
"type": "object",
"required": [],
"properties": {
"days": {
"type": "integer",
"default": 7,
"description": "Look back this many days (default 7, max 90)."
},
"type": {
"enum": [
"rule",
"proposed_rule",
"notice",
"presidential_document"
],
"type": "string",
"description": "Document type. One of: rule, proposed_rule, notice, presidential_document."
},
"agency": {
"type": "string",
"description": "Agency slug (from the 'agencies' tool)."
},
"per_page": {
"type": "integer",
"default": 15,
"description": "Results to return (default 15, max 30)."
}
}
}Search the US Federal Register for regulations and notices. Filter by keyword, document type (rule, proposed_rule, notice, presidential_document), issuing agency (slug from the agencies tool), and publication date. Returns matching documents with title, type, agencies, abstract and links. Great for 'what did agency X publish about topic Y'.
| Argument | Type | Description |
|---|---|---|
| term | string | Keyword(s) to search, e.g. 'artificial intelligence', 'PFAS'. |
| type | string | Restrict to one document type. |
| since | string | Only documents published on/after this date (YYYY-MM-DD). |
| until | string | Only documents published on/before this date (YYYY-MM-DD). |
| agency | string | Agency slug (from the 'agencies' tool), e.g. 'environmental-protection-agency'. |
| per_page | integer | Results to return (default 10, max 30). |
{
"type": "object",
"required": [],
"properties": {
"term": {
"type": "string",
"description": "Keyword(s) to search, e.g. 'artificial intelligence', 'PFAS'."
},
"type": {
"enum": [
"rule",
"proposed_rule",
"notice",
"presidential_document"
],
"type": "string",
"description": "Restrict to one document type."
},
"since": {
"type": "string",
"description": "Only documents published on/after this date (YYYY-MM-DD)."
},
"until": {
"type": "string",
"description": "Only documents published on/before this date (YYYY-MM-DD)."
},
"agency": {
"type": "string",
"description": "Agency slug (from the 'agencies' tool), e.g. 'environmental-protection-agency'."
},
"per_page": {
"type": "integer",
"default": 10,
"description": "Results to return (default 10, max 30)."
}
}
}