US Federal Register search (rules, notices) ($0.002/call)
federal_register$0.002 per call (x402, USDC on Base; free trial: add "trial": true or use try_free). [Public records] Searches US Federal Register documents (rules, proposed rules, notices, presidential documents) through the official FederalRegister.gov API: full-text term, optional agency slug, type and date range. Returns the total count and up to 20 documents with title, type, action, abstract, agencies, publication date, effective date, comment deadline (comments_open), docket IDs, RINs, citation and the HTML and official PDF links. Public-domain data, no key; cached 15 min. ~0.5-2 s.
Tool call template
Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.
{
"id": 1,
"jsonrpc": "2.0",
"method": "tools/call",
"params": {
"arguments": {
"term": "<term>"
},
"name": "federal_register"
}
}Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| term | Yes | Search words for Federal Register documents, 2-200 characters, e.g. stablecoin or "emission standards" | |
| type | No | Document type: any (default), rule, proposed_rule, notice or presidential_document | any |
| order | No | Sort: newest (default), oldest or relevance | newest |
| since | No | Published on or after this date, YYYY-MM-DD | |
| trial | No | Optional. true = free if a trial call is left (3 per IP per UTC day), else the payment terms. | |
| until | No | Published on or before this date, YYYY-MM-DD | |
| agency | No | Agency slug as used by FederalRegister.gov, e.g. securities-and-exchange-commission, environmental-protection-agency | |
| max_results | No | Documents returned, 1-20 (default 10); total_count is always the full count | 10 |
Output Schema
| Name | Required | Description | Default |
|---|---|---|---|
| tool | No | ||
| cache | No | ||
| notes | No | ||
| query | No | ||
| _trial | No | Present when the call was a free trial call. | |
| source | No | ||
| provider | No | ||
| returned | No | ||
| documents | No | ||
| price_usd | No | ||
| fetched_at | No | ||
| attribution | No | ||
| response_ms | No | ||
| total_count | No |