Tested AI agent skill files (SKILL.md), bought once over x402 for cents on Base. Free MCP search.
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Get one skill card (free) plus the exact x402 payment_required body for its one-time purchase of the SKILL.md file, and how_to_buy. Price is price_usd on the card. Buying is over HTTP; MCP does not take payments.
The skill's slug, as returned by search_skills (for example 'humanize'). An unknown or unlisted slug is an error.
Get one skill card (free) plus the exact x402 payment_required body for its one-time purchase of the SKILL.md file, and how_to_buy. Price is price_usd on the card. Buying is over HTTP; MCP does not take payments.
| Argument | Type | Description |
|---|---|---|
| slug* | string | The skill's slug, as returned by search_skills (for example 'humanize'). An unknown or unlisted slug is an error. |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"slug"
],
"properties": {
"slug": {
"type": "string",
"description": "The skill's slug, as returned by search_skills (for example 'humanize'). An unknown or unlisted slug is an error."
}
}
}List the twelve skill categories (free) with a short introduction and how many skills are listed in each. Use a slug as the category filter of search_skills.
No arguments.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {}
}Re-download the SKILL.md file you already bought (free), using the token from your purchase receipt. Always returns the current version of the skill.
| Argument | Type | Description |
|---|---|---|
| token* | string | The re-download token from your purchase receipt (the 'redownload' part): 64 lowercase hex characters. Not your payment signature. |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"token"
],
"properties": {
"token": {
"type": "string",
"description": "The re-download token from your purchase receipt (the 'redownload' part): 64 lowercase hex characters. Not your payment signature."
}
}
}Search the tested agent skill files for sale (free). Give a plain-language query (for example: sound less like ChatGPT), or filter by category, tag or language, or combine them. With a query the results come ranked by relevance; without one you get the featured skills first. Each card has match_reason (the field that matched, or the filter), price_usd (a one-time purchase of the SKILL.md file, yours forever), what it is for, what it is not for, and how it was tested. limit is at most 24.
| Argument | Type | Description |
|---|---|---|
| tag | string | Only skills with this tag: lowercase letters, digits and hyphens, at most 32 characters, for example 'humanize'. |
| limit | integer | How many skills to return, 1 to 24. Default 24. |
| query | string | Plain-language search text, for example 'sound less like ChatGPT'. At most 100 characters. Omit it to get the featured skills first instead of a ranked search. |
| category | string | Only skills in this category. One of: writing, editing, marketing, seo, research, code, agents, sales-support, business, data, translation, education (see list_categories). Any other value is an error. |
| language | string | Only skills that work in this language: a 2-3 letter code such as en, bg or de, or 'any'. Skills marked 'any' always match. |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"tag": {
"type": "string",
"description": "Only skills with this tag: lowercase letters, digits and hyphens, at most 32 characters, for example 'humanize'."
},
"limit": {
"type": "integer",
"maximum": 24,
"minimum": 1,
"description": "How many skills to return, 1 to 24. Default 24."
},
"query": {
"type": "string",
"maxLength": 100,
"description": "Plain-language search text, for example 'sound less like ChatGPT'. At most 100 characters. Omit it to get the featured skills first instead of a ranked search."
},
"category": {
"type": "string",
"description": "Only skills in this category. One of: writing, editing, marketing, seo, research, code, agents, sales-support, business, data, translation, education (see list_categories). Any other value is an error."
},
"language": {
"type": "string",
"description": "Only skills that work in this language: a 2-3 letter code such as en, bg or de, or 'any'. Skills marked 'any' always match."
}
}
}