15 data tools at $0.01 USDC/call on Base via x402. Free discovery; x402 wallet client required.
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.
Search arXiv with one literal phrase and return up to 20 paper IDs, titles, categories, dates and source links. No authors, affiliations, abstracts or PDFs. Requests leave three seconds after completion. Price: $0.01 USDC per successful call on Base. Requires an x402-capable wallet client.
Literal research phrase; advanced query syntax is escaped.
Integer from 1 through 20; package tools cap release/dependency metadata.
Search arXiv with one literal phrase and return up to 20 paper IDs, titles, categories, dates and source links. No authors, affiliations, abstracts or PDFs. Requests leave three seconds after completion. Price: $0.01 USDC per successful call on Base. Requires an x402-capable wallet client.
| Argument | Type | Description |
|---|---|---|
| query* | string | Literal research phrase; advanced query syntax is escaped. |
| maxItems | string | Integer from 1 through 20; package tools cap release/dependency metadata. |
{
"type": "object",
"required": [
"query"
],
"properties": {
"query": {
"type": "string",
"maxLength": 200,
"description": "Literal research phrase; advanced query syntax is escaped."
},
"maxItems": {
"type": "string",
"default": "10",
"pattern": "^(?:[1-9]|1[0-9]|20)$",
"description": "Integer from 1 through 20; package tools cap release/dependency metadata."
}
},
"additionalProperties": false
}Look up one exact MDN BCD feature and browser against the actor pinned release and verified Git blob. Preserve support statements, arrays, false/null and unresolved mirrors; never infer versions. Price: $0.01 USDC per successful call on Base. Requires an x402-capable wallet client.
| Argument | Type | Description |
|---|---|---|
| browser | string | Recorded BCD browser identifier; default chrome. |
| feature* | string | Exact path in /browser-features.json; e.g. api.AbortController. |
{
"type": "object",
"required": [
"feature"
],
"properties": {
"browser": {
"enum": [
"bun",
"chrome",
"chrome_android",
"deno",
"edge",
"firefox",
"firefox_android",
"ie",
"nodejs",
"oculus",
"opera",
"opera_android",
"safari",
"safari_ios",
"samsunginternet_android",
"webview_android",
"webview_ios"
],
"type": "string",
"default": "chrome",
"description": "Recorded BCD browser identifier; default chrome."
},
"feature": {
"type": "string",
"maxLength": 256,
"description": "Exact path in /browser-features.json; e.g. api.AbortController."
}
},
"additionalProperties": false
}Free: describe one paid tool, its input schema and payment configuration.
| Argument | Type | Description |
|---|---|---|
| name* | string |
{
"type": "object",
"required": [
"name"
],
"properties": {
"name": {
"type": "string"
}
},
"additionalProperties": false
}One public domain: sanitized RDAP registration dates/status/nameservers, public DNS A/AAAA/MX/NS/CAA, and verified HTTPS availability. No contacts. Certificate details are unavailable on Workers. Price: $0.01 USDC per successful call on Base. Requires an x402-capable wallet client.
| Argument | Type | Description |
|---|---|---|
| domain* | string | Public DNS domain, without a URL path or person/contact data. |
{
"type": "object",
"required": [
"domain"
],
"properties": {
"domain": {
"type": "string",
"maxLength": 253,
"description": "Public DNS domain, without a URL path or person/contact data."
}
},
"additionalProperties": false
}Read up to 50 USGS earthquake summary events within an explicit date window of at most 90 days, optionally above a minimum magnitude. No event detail products or contact data. Price: $0.01 USDC per successful call on Base. Requires an x402-capable wallet client.
| Argument | Type | Description |
|---|---|---|
| endDate* | string | Inclusive source date boundary, YYYY-MM-DD; at most 90 days per query. |
| maxItems | string | Integer from 1 through 50; package tools cap release/dependency metadata. |
| startDate* | string | Inclusive source date boundary, YYYY-MM-DD; at most 90 days per query. |
| minMagnitude | string | Minimum magnitude from -10 through 10; default 0. |
{
"type": "object",
"required": [
"startDate",
"endDate"
],
"properties": {
"endDate": {
"type": "string",
"format": "date",
"description": "Inclusive source date boundary, YYYY-MM-DD; at most 90 days per query."
},
"maxItems": {
"type": "string",
"default": "10",
"pattern": "^(?:[1-9]|[1-4][0-9]|50)$",
"description": "Integer from 1 through 50; package tools cap release/dependency metadata."
},
"startDate": {
"type": "string",
"format": "date",
"description": "Inclusive source date boundary, YYYY-MM-DD; at most 90 days per query."
},
"minMagnitude": {
"type": "string",
"default": "0",
"description": "Minimum magnitude from -10 through 10; default 0."
}
},
"additionalProperties": false
}Read up to 50 daily ECB reference or same-day cross rates for one currency pair over at most 90 days. Quote units per base unit; no weekend interpolation or carry-forward. Reference data, not transaction quotes. Price: $0.01 USDC per successful call on Base. Requires an x402-capable wallet client.
| Argument | Type | Description |
|---|---|---|
| endDate* | string | Inclusive source date boundary, YYYY-MM-DD; at most 90 days per query. |
| currency* | string | Three-letter quote code. |
| maxItems | string | Integer from 1 through 50; package tools cap release/dependency metadata. |
| startDate* | string | Inclusive source date boundary, YYYY-MM-DD; at most 90 days per query. |
| baseCurrency | string | Three-letter base code; default EUR. |
{
"type": "object",
"required": [
"startDate",
"endDate",
"currency"
],
"properties": {
"endDate": {
"type": "string",
"format": "date",
"description": "Inclusive source date boundary, YYYY-MM-DD; at most 90 days per query."
},
"currency": {
"type": "string",
"pattern": "^[A-Za-z]{3}$",
"description": "Three-letter quote code."
},
"maxItems": {
"type": "string",
"default": "10",
"pattern": "^(?:[1-9]|[1-4][0-9]|50)$",
"description": "Integer from 1 through 50; package tools cap release/dependency metadata."
},
"startDate": {
"type": "string",
"format": "date",
"description": "Inclusive source date boundary, YYYY-MM-DD; at most 90 days per query."
},
"baseCurrency": {
"type": "string",
"default": "EUR",
"pattern": "^[A-Za-z]{3}$",
"description": "Three-letter base code; default EUR."
}
},
"additionalProperties": false
}Read up to 20 current top Hacker News stories or a bounded story search. Return story IDs, titles, scores, comment counts and HN links; no users, comments, profiles or hiring text. Price: $0.01 USDC per successful call on Base. Requires an x402-capable wallet client.
| Argument | Type | Description |
|---|---|---|
| query | string | Optional story search phrase; omit for current top stories. |
| maxItems | string | Integer from 1 through 20; package tools cap release/dependency metadata. |
{
"type": "object",
"required": [],
"properties": {
"query": {
"type": "string",
"maxLength": 150,
"description": "Optional story search phrase; omit for current top stories."
},
"maxItems": {
"type": "string",
"default": "10",
"pattern": "^(?:[1-9]|1[0-9]|20)$",
"description": "Integer from 1 through 20; package tools cap release/dependency metadata."
}
},
"additionalProperties": false
}Free: list paid tools, input schemas and payment configuration. Does not execute or charge a paid tool.
No arguments.
{
"type": "object",
"properties": {},
"additionalProperties": false
}Look up one exact npm package including scoped names, latest version, license, publication times and capped dependency metadata. No maintainers, users, contacts, README, tarball or download calls. Price: $0.01 USDC per successful call on Base. Requires an x402-capable wallet client.
| Argument | Type | Description |
|---|---|---|
| package* | string | Exact lowercase npm package name, optionally @scope/name. |
| maxItems | string | Integer from 1 through 50; package tools cap release/dependency metadata. |
{
"type": "object",
"required": [
"package"
],
"properties": {
"package": {
"type": "string",
"maxLength": 214,
"description": "Exact lowercase npm package name, optionally @scope/name."
},
"maxItems": {
"type": "string",
"default": "10",
"pattern": "^(?:[1-9]|[1-4][0-9]|50)$",
"description": "Integer from 1 through 50; package tools cap release/dependency metadata."
}
},
"additionalProperties": false
}Search up to 20 OpenAlex works for paper metadata, DOI, dates, citation counts and open-access status. CC0 metadata, no authors, ORCIDs or affiliations. Anonymous source allowance applies. Price: $0.01 USDC per successful call on Base. Requires an x402-capable wallet client.
| Argument | Type | Description |
|---|---|---|
| query* | string | Work search phrase. |
| maxItems | string | Integer from 1 through 20; package tools cap release/dependency metadata. |
{
"type": "object",
"required": [
"query"
],
"properties": {
"query": {
"type": "string",
"maxLength": 200,
"description": "Work search phrase."
},
"maxItems": {
"type": "string",
"default": "10",
"pattern": "^(?:[1-9]|1[0-9]|20)$",
"description": "Integer from 1 through 20; package tools cap release/dependency metadata."
}
},
"additionalProperties": false
}Read up to 20 active public Polymarket markets, or one exact slug, with outcome prices and label-matched Yes/No implied probabilities. Read-only metadata; no traders or wallet data. Price: $0.01 USDC per successful call on Base. Requires an x402-capable wallet client.
| Argument | Type | Description |
|---|---|---|
| slug | string | Optional exact market slug; omit for active markets ranked by 24-hour volume. |
| maxItems | string | Integer from 1 through 20; package tools cap release/dependency metadata. |
{
"type": "object",
"required": [],
"properties": {
"slug": {
"type": "string",
"pattern": "^[a-z0-9][a-z0-9-]*$",
"maxLength": 150,
"description": "Optional exact market slug; omit for active markets ranked by 24-hour volume."
},
"maxItems": {
"type": "string",
"default": "10",
"pattern": "^(?:[1-9]|1[0-9]|20)$",
"description": "Integer from 1 through 20; package tools cap release/dependency metadata."
}
},
"additionalProperties": false
}Look up one exact PyPI package, current version, license, Python requirements and recent releases. maxItems caps releases and dependency strings at 50. No maintainers, contacts, long description, package downloads or PyPI search crawl. Price: $0.01 USDC per successful call on Base. Requires an x402-capable wallet client.
| Argument | Type | Description |
|---|---|---|
| package* | string | Exact PyPI package name; normalized per PEP 503. |
| maxItems | string | Integer from 1 through 50; package tools cap release/dependency metadata. |
{
"type": "object",
"required": [
"package"
],
"properties": {
"package": {
"type": "string",
"maxLength": 100,
"description": "Exact PyPI package name; normalized per PEP 503."
},
"maxItems": {
"type": "string",
"default": "10",
"pattern": "^(?:[1-9]|[1-4][0-9]|50)$",
"description": "Integer from 1 through 50; package tools cap release/dependency metadata."
}
},
"additionalProperties": false
}Read up to 50 recent corporate SEC filing index entries by ticker or CIK, optionally filtered by corporate form. No filing text, ownership forms or personal filers. Requires operator-configured SEC_USER_AGENT contact; SEC fair-access pacing applies. Price: $0.01 USDC per successful call on Base. Requires an x402-capable wallet client.
| Argument | Type | Description |
|---|---|---|
| form | string | Optional corporate form: 10-K, 10-Q, 8-K, 20-F, 40-F, 6-K, S-1, S-3, 424B2/3/4/5 or DEF 14A; /A amendments accepted. |
| company* | string | Corporate ticker or numeric CIK; optional CIK prefix. |
| maxItems | string | Integer from 1 through 50; package tools cap release/dependency metadata. |
{
"type": "object",
"required": [
"company"
],
"properties": {
"form": {
"type": "string",
"maxLength": 10,
"description": "Optional corporate form: 10-K, 10-Q, 8-K, 20-F, 40-F, 6-K, S-1, S-3, 424B2/3/4/5 or DEF 14A; /A amendments accepted."
},
"company": {
"type": "string",
"maxLength": 20,
"description": "Corporate ticker or numeric CIK; optional CIK prefix."
},
"maxItems": {
"type": "string",
"default": "10",
"pattern": "^(?:[1-9]|[1-4][0-9]|50)$",
"description": "Integer from 1 through 50; package tools cap release/dependency metadata."
}
},
"additionalProperties": false
}Look up one exact endoflife.date product/release and project lifecycle dates and source flags. Explicit asOf computes daysToEol; boolean/unknown EOL values remain unchanged. Price: $0.01 USDC per successful call on Base. Requires an x402-capable wallet client.
| Argument | Type | Description |
|---|---|---|
| asOf* | string | Explicit calendar date used only for daysToEol. |
| product* | string | endoflife.date product slug; e.g. python. |
| release* | string | Exact source release identifier; e.g. 3.13. |
{
"type": "object",
"required": [
"product",
"release",
"asOf"
],
"properties": {
"asOf": {
"type": "string",
"format": "date",
"description": "Explicit calendar date used only for daysToEol."
},
"product": {
"type": "string",
"pattern": "^[a-z0-9][a-z0-9-]{0,99}$",
"description": "endoflife.date product slug; e.g. python."
},
"release": {
"type": "string",
"maxLength": 100,
"description": "Exact source release identifier; e.g. 3.13."
}
},
"additionalProperties": false
}Look up one hexadecimal Unicode scalar in official UTS #39 confusables. Returns direct mapped/unmapped status and target sequence; accepts no personal text and makes no identifier-safety judgment. Price: $0.01 USDC per successful call on Base. Requires an x402-capable wallet client.
| Argument | Type | Description |
|---|---|---|
| codepoint* | string | One hex scalar; optional U+ or 0x prefix; excludes surrogates. |
| unicodeVersion | string | Published Unicode security-data version or latest; response identifies actual version. |
{
"type": "object",
"required": [
"codepoint"
],
"properties": {
"codepoint": {
"type": "string",
"maxLength": 8,
"description": "One hex scalar; optional U+ or 0x prefix; excludes surrogates."
},
"unicodeVersion": {
"type": "string",
"default": "latest",
"description": "Published Unicode security-data version or latest; response identifies actual version."
}
},
"additionalProperties": false
}Read up to 14 NWS land forecast periods for decimal coordinates, with issued time, temperature, winds and precipitation probability. Only official NWS point and grid forecast URLs; no geocoding or address lookup. Price: $0.01 USDC per successful call on Base. Requires an x402-capable wallet client.
| Argument | Type | Description |
|---|---|---|
| latitude* | string | Decimal latitude from -90 through 90. |
| maxItems | string | Integer from 1 through 14; package tools cap release/dependency metadata. |
| longitude* | string | Decimal longitude from -180 through 180. |
{
"type": "object",
"required": [
"latitude",
"longitude"
],
"properties": {
"latitude": {
"type": "string",
"description": "Decimal latitude from -90 through 90."
},
"maxItems": {
"type": "string",
"default": "7",
"pattern": "^(?:[1-9]|1[0-4])$",
"description": "Integer from 1 through 14; package tools cap release/dependency metadata."
},
"longitude": {
"type": "string",
"description": "Decimal longitude from -180 through 180."
}
},
"additionalProperties": false
}Convert one operator-approved public technical HTML document to Markdown, without a browser or scripts. No personal pages. Hosts must be approved before use. Price: $0.01 USDC per successful call on Base. Requires an x402-capable wallet client.
| Argument | Type | Description |
|---|---|---|
| url* | string | Absolute HTTPS document URL on an approved host; no query strings. |
{
"type": "object",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"format": "uri",
"description": "Absolute HTTPS document URL on an approved host; no query strings."
}
},
"additionalProperties": false
}