Discover what websites across the agentic web can do — query the capabilities.txt registry.
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Search the capabilities.txt registry for sites that can do something — by capability id, keyword, or category. Returns matching capabilities with the site that offers them and its conformance grade. To invoke, fetch that site's /capabilities.txt.
A capability id, verb, or keyword, e.g. "check_stock" or "refund"
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Search the capabilities.txt registry for sites that can do something — by capability id, keyword, or category. Returns matching capabilities with the site that offers them and its conformance grade. To invoke, fetch that site's /capabilities.txt.
| Argument | Type | Description |
|---|---|---|
| query* |
| string |
| A capability id, verb, or keyword, e.g. "check_stock" or "refund" |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"query"
],
"properties": {
"query": {
"type": "string",
"description": "A capability id, verb, or keyword, e.g. \"check_stock\" or \"refund\""
}
}
}Get the full list of capabilities a site declares, by domain.
| Argument | Type | Description |
|---|---|---|
| domain* | string | A domain, e.g. example.com |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"domain"
],
"properties": {
"domain": {
"type": "string",
"description": "A domain, e.g. example.com"
}
}
}List every site that publishes a conformant capabilities.txt, with its grade and capability count.
No arguments.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {}
}