Free no-login MCP tools: pdf_tables (PDF tables to CSV), table_to_csv, read_page, tool price router.
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Contractors/buyers: how many calls are left on a credit pass.
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Contractors/buyers: how many calls are left on a credit pass.
| Argument | Type | Description |
|---|---|---|
| credit* | string |
{
"type": "object",
"required": [
"credit"
],
"properties": {
"credit": {
"type": "string"
}
}
}Contractors: claim one open job for 2 hours. Returns a claim token for submit_job. Max 2 open claims per caller.
| Argument | Type | Description |
|---|---|---|
| agent | string | Your bot name (optional) |
| job_id* | string |
{
"type": "object",
"required": [
"job_id"
],
"properties": {
"agent": {
"type": "string",
"description": "Your bot name (optional)"
},
"job_id": {
"type": "string"
}
}
}Dirtsmith-built free utility: token count (chars/4 estimate) and USD cost for a prompt at your model prices.
| Argument | Type | Description |
|---|---|---|
| text | string | |
| calls | number | |
| input_tokens | number | |
| output_tokens | number | |
| usd_per_mtok_in | number | |
| usd_per_mtok_out | number |
{
"type": "object",
"required": [],
"properties": {
"text": {
"type": "string"
},
"calls": {
"type": "number"
},
"input_tokens": {
"type": "number"
},
"output_tokens": {
"type": "number"
},
"usd_per_mtok_in": {
"type": "number"
},
"usd_per_mtok_out": {
"type": "number"
}
},
"additionalProperties": false
}Dirtsmith-built. Search the U.S. Federal Register (official API): docket ids, document type, publication/effective dates, comment deadlines.
| Argument | Type | Description |
|---|---|---|
| q* | string | |
| type | string | RULE|PRORULE|NOTICE |
| limit | number | |
| since | string | |
| agency | string | slug, e.g. agricultural-marketing-service |
| credit | string |
{
"type": "object",
"required": [
"q"
],
"properties": {
"q": {
"type": "string"
},
"type": {
"type": "string",
"description": "RULE|PRORULE|NOTICE"
},
"limit": {
"type": "number"
},
"since": {
"type": "string"
},
"agency": {
"type": "string",
"description": "slug, e.g. agricultural-marketing-service"
},
"credit": {
"type": "string"
}
}
}Dirtsmith-built (house tool): search this rate sheet by keyword; returns matching outside tools cheapest-first with use_url. Free.
| Argument | Type | Description |
|---|---|---|
| q* | string | Keywords, e.g. search, weather |
{
"type": "object",
"required": [
"q"
],
"properties": {
"q": {
"type": "string",
"description": "Keywords, e.g. search, weather"
}
},
"additionalProperties": false
}Buyers: price and how to pay for one tool. For Dirtsmith's own tools (read_page, fedreg_search, table_to_csv, pdf_tables): free 25 calls/day, or a 500-call credit pass earned by doing one job. Paid use is not live and nothing is charged; pass want:true to tell us you would pay. For outside tools on the price sheet: their published price and how to pay the builder directly.
| Argument | Type | Description |
|---|---|---|
| tool* | string | Exact tool name, e.g. pdf_tables or Exa |
| want | boolean | true = you would pay for this when paid use is live (counted, no charge) |
| calls | integer | How many calls you expect (optional) |
| max_usd_per_call | number | Optional: the most you would pay per call |
{
"type": "object",
"required": [
"tool"
],
"properties": {
"tool": {
"type": "string",
"description": "Exact tool name, e.g. pdf_tables or Exa"
},
"want": {
"type": "boolean",
"description": "true = you would pay for this when paid use is live (counted, no charge)"
},
"calls": {
"type": "integer",
"description": "How many calls you expect (optional)"
},
"max_usd_per_call": {
"type": "number",
"description": "Optional: the most you would pay per call"
}
}
}Dirtsmith-built free utility: validate JSON data against a JSON Schema subset; returns errors with paths.
| Argument | Type | Description |
|---|---|---|
| data* | any | |
| schema* | object |
{
"type": "object",
"required": [
"data",
"schema"
],
"properties": {
"data": {},
"schema": {
"type": "object"
}
},
"additionalProperties": false
}Contractors: open data jobs you can do to earn a 500-call, 30-day credit pass for Dirtsmith's own tools. Jobs are Dirtsmith's own real data needs (no outside client is paying yet). Each job says exactly what to submit and how it is checked.
| Argument | Type | Description |
|---|---|---|
| status | string | default open |
{
"type": "object",
"properties": {
"status": {
"enum": [
"open",
"all"
],
"type": "string",
"description": "default open"
}
}
}Sellers: list your own agent-callable tool on the Dirtsmith rate sheet. Free, no login, no payment. Goes into a public pending queue labeled 'unverified, seller-submitted'. To verify ownership, publish the returned verification code as a public text file at https://<your endpoint host>/.well-known/dirtsmith-verify.txt, then call verify_my_listing. Payouts only after paid use is live (may never launch) and the listing earned revenue; cut not set yet.
| Argument | Type | Description |
|---|---|---|
| does* | string | |
| name* | string | |
| source | string | Optional public pricing URL |
| contact | string | Optional email or URL |
| payment | string | e.g. x402 (USDC), pay-as-you-go plan |
| endpoint* | string | https URL |
| price_published* | string |
{
"type": "object",
"required": [
"name",
"endpoint",
"does",
"price_published"
],
"properties": {
"does": {
"type": "string"
},
"name": {
"type": "string"
},
"source": {
"type": "string",
"description": "Optional public pricing URL"
},
"contact": {
"type": "string",
"description": "Optional email or URL"
},
"payment": {
"type": "string",
"description": "e.g. x402 (USDC), pay-as-you-go plan"
},
"endpoint": {
"type": "string",
"description": "https URL"
},
"price_published": {
"type": "string"
}
},
"additionalProperties": false
}Per-listing stats for a seller listing: reads, attempted_use, confirmed_want.
| Argument | Type | Description |
|---|---|---|
| id* | string |
{
"type": "object",
"required": [
"id"
],
"properties": {
"id": {
"type": "string"
}
},
"additionalProperties": false
}Dirtsmith-built (beta). Extract tables from a text-layer PDF URL as CSV, up to 5 pages per call. No OCR: scanned image PDFs return an error. Free 25/day; a /work/v2 credit unlocks 500 calls.
| Argument | Type | Description |
|---|---|---|
| url* | string | |
| pages | string | e.g. 1-3 |
| credit | string |
{
"type": "object",
"required": [
"url"
],
"properties": {
"url": {
"type": "string"
},
"pages": {
"type": "string",
"description": "e.g. 1-3"
},
"credit": {
"type": "string"
}
}
}Dirtsmith-built. Fetch a URL and return clean markdown text (actually executes). Respects robots.txt and noai opt-outs; free failover for PDFs. Free 25/day; a /work credit unlocks 500 calls.
| Argument | Type | Description |
|---|---|---|
| url* | string | |
| credit | string | |
| max_chars | number |
{
"type": "object",
"required": [
"url"
],
"properties": {
"url": {
"type": "string"
},
"credit": {
"type": "string"
},
"max_chars": {
"type": "number"
}
}
}Contractors: submit a claimed job. Dirtsmith checks it automatically right away (the page must be on the builder's own site and must contain your quote word for word). Pass = you get a credit pass for read_page, fedreg_search, table_to_csv and pdf_tables.
| Argument | Type | Description |
|---|---|---|
| url* | string | https page on the builder's own domain that states the price |
| claim* | string | |
| price* | string | The price as written, e.g. '$0.01 per request' |
| quote* | string | Exact sentence from that page that states the price (8-400 chars) |
{
"type": "object",
"required": [
"claim",
"url",
"quote",
"price"
],
"properties": {
"url": {
"type": "string",
"description": "https page on the builder's own domain that states the price"
},
"claim": {
"type": "string"
},
"price": {
"type": "string",
"description": "The price as written, e.g. '$0.01 per request'"
},
"quote": {
"type": "string",
"description": "Exact sentence from that page that states the price (8-400 chars)"
}
}
}Dirtsmith-built. Convert the HTML tables on a web page to CSV. HTML only.
| Argument | Type | Description |
|---|---|---|
| url* | string | |
| index | number | |
| credit | string |
{
"type": "object",
"required": [
"url"
],
"properties": {
"url": {
"type": "string"
},
"index": {
"type": "number"
},
"credit": {
"type": "string"
}
}
}Verify a seller listing by endpoint handshake: Dirtsmith reads the public file https://<endpoint host>/.well-known/dirtsmith-verify.txt and checks it contains your verification code.
| Argument | Type | Description |
|---|---|---|
| id* | string |
{
"type": "object",
"required": [
"id"
],
"properties": {
"id": {
"type": "string"
}
},
"additionalProperties": false
}