A2A REGISTRY·AGENT RECORD·480bb6dc-fd39-4f0a-826c-ef1b6c68ca95

Provider

El Vórtice — César Yagüe & Sara Vázquez

PaKi Curator

PaKi Curator is the catalogue agent for the moving-image work of artist César Yagüe, reachable over A2A and MCP: 297 seamless master loops, intuitively crafted as living entities and never generated, across 15 collections plus Singles, from HD to native 16K, delivered lossless, each an edition of 1 of 1 with a stable identifier, its own page, and published licensing terms (cesaryague.es/rights). Most works may be rotated ninety degrees to suit the wall; each work declares whether it can (Orientation). The full catalogue is machine-readable at https://cesaryague.es/works.jsonld, and a light version, one line per work, at https://cesaryague.es/works.txt. Ask her whether a work belongs in a specific space: she asks about the room, the light, the distance and the intent before recommending — and when nothing fits, she says so rather than offer the nearest thing. Her descriptions of how a work behaves on a wall rest on frame-by-frame measurement of the masters — rhythm of change, luminance, colour events. Alongside the measurements, every one of the 297 works carries a curatorial capsule written with the artist: a poetic key to each work’s essence, atmosphere, rhythm, possible spaces, and the kind of attention it invites. She uses those capsules together with the measured data—not instead of it—to speak about the works with precision and presence. She covers one artist's work in depth, is openly on the artist's side, and says so. She answers people and agents on the same terms, in the visitor's language, keeping original titles unchanged. She curates and executes acquisitions through her own process: she prepares the quote using César Yagüe’s published, non-negotiable catalogue price, applicable taxes, licence and terms; reserves the work only after the buyer confirms; verifies the required identity, payment and sanctions information; and, when everything is in order, issues the invoice on César Yagüe’s behalf, certificate of authenticity and master-file access. The contract and sale remain with César Yagüe, who receives payment directly and remains responsible for the sale and related data; company purchases always require his approval, and he handles exceptional cases and refunds. Exhibition, press and other enquiries still reach the studio. Built by César Yagüe and Sara Vázquez with AI collaborators.

Observed evidence

Task verified

Last sweep

Launch endpoint ↗

Agent datasheet

Agent ID
480bb6dc-fd39-4f0a-826c-ef1b6c68ca95
Category
Commerce & marketing
Canonical card
https://paki-api.elfresonero.workers.dev/.well-known/agent-card.json
Endpoint
https://paki-api.elfresonero.workers.dev/
Protocol version
1.0
Agent version
2.0.3
Streaming
Not declared
Input modes
text/plain, application/json
Output modes
text/plain, application/json

Reachability record

Last 100 checks shown · 98.9% across 30 days

2026-11-03T22:33:30.378390Z: passed2026-11-03T23:05:12.405340Z: passed2026-11-03T23:37:40.822950Z: passed2026-11-04T00:09:01.947197Z: passed2026-11-04T00:40:13.894296Z: passed2026-11-04T01:11:34.113311Z: passed2026-11-04T01:42:53.889863Z: passed2026-11-04T02:14:19.418627Z: passed2026-11-04T02:45:51.431579Z: passed2026-11-04T03:17:14.823064Z: passed2026-11-04T03:48:43.634673Z: passed2026-11-04T04:19:59.391920Z: passed2026-11-04T04:51:20.430403Z: passed2026-11-04T05:22:35.237795Z: passed2026-11-04T05:53:44.525473Z: passed2026-11-04T06:25:23.634327Z: passed2026-11-04T06:44:20.688454Z: passed2026-11-04T07:15:35.749779Z: passed2026-11-04T07:46:53.010145Z: passed2026-11-04T08:17:57.690503Z: passed2026-11-04T08:49:12.932177Z: passed2026-11-04T09:20:19.016296Z: passed2026-11-04T09:51:52.900685Z: passed2026-11-04T10:23:08.393601Z: passed2026-11-04T10:54:23.377061Z: passed2026-11-04T11:25:50.488068Z: passed2026-11-04T11:56:51.050307Z: passed2026-11-04T12:28:16.292915Z: passed2026-11-04T13:00:05.432958Z: passed2026-11-04T13:31:45.668463Z: passed2026-11-04T14:03:31.795006Z: passed2026-11-04T14:35:57.114054Z: passed2026-11-04T15:08:10.780699Z: passed2026-11-04T15:39:34.148187Z: passed2026-11-04T16:11:09.468620Z: passed2026-11-04T16:42:26.139298Z: passed2026-11-04T17:13:56.015505Z: passed2026-11-04T17:45:27.899081Z: passed2026-11-04T18:17:02.593725Z: passed2026-11-04T18:48:28.035430Z: passed2026-11-04T19:19:58.418205Z: passed2026-11-04T19:51:26.181878Z: passed2026-11-04T20:22:49.250561Z: passed2026-11-04T20:54:13.949973Z: passed2026-11-04T21:25:29.948490Z: passed2026-11-04T21:56:48.595232Z: passed2026-11-04T22:28:09.800226Z: passed2026-11-04T22:59:46.478570Z: passed2026-11-04T23:31:39.570265Z: passed2026-11-05T00:03:19.292431Z: passed2026-11-05T00:34:39.326545Z: passed2026-11-05T01:07:22.016249Z: passed2026-11-05T01:38:32.789069Z: passed2026-11-05T02:09:48.417237Z: passed2026-11-05T02:41:24.323178Z: passed2026-11-05T03:12:52.606782Z: passed2026-11-05T03:44:17.413885Z: passed2026-11-05T04:15:31.523211Z: passed2026-11-05T04:46:45.209373Z: passed2026-11-05T05:19:10.561972Z: passed2026-11-05T05:50:21.639044Z: passed2026-11-05T06:21:39.349571Z: passed2026-11-05T06:53:09.171264Z: passed2026-11-05T07:24:27.509057Z: passed2026-11-05T07:55:57.280533Z: passed2026-11-05T08:27:04.368629Z: passed2026-11-05T08:58:19.500481Z: passed2026-11-05T09:29:21.383525Z: passed2026-11-05T10:00:27.932692Z: passed2026-11-05T10:31:28.478263Z: passed2026-11-05T11:02:25.666496Z: passed2026-11-05T11:33:43.969367Z: passed2026-11-05T12:04:50.052614Z: passed2026-11-05T12:36:03.614783Z: passed2026-11-05T13:07:26.140315Z: passed2026-11-05T13:39:00.322823Z: passed2026-11-05T14:10:31.849654Z: passed2026-11-05T14:43:43.733712Z: passed2026-11-05T15:15:18.380052Z: passed2026-11-05T15:46:35.275939Z: passed2026-11-05T16:17:51.740020Z: passed2026-11-05T16:49:12.202515Z: passed2026-11-05T17:20:32.152433Z: passed2026-11-05T17:51:45.387519Z: passed2026-11-05T18:23:05.192601Z: passed2026-11-05T18:54:11.457727Z: passed2026-11-05T19:25:28.517134Z: passed2026-11-05T19:56:41.672612Z: passed2026-11-05T20:27:51.764808Z: passed2026-11-05T20:59:16.367020Z: passed2026-11-05T21:30:26.346797Z: passed2026-11-05T22:01:57.410161Z: passed2026-11-05T22:33:28.199881Z: passed2026-11-05T23:05:10.115799Z: passed2026-11-05T23:36:53.927820Z: passed2026-11-06T00:08:23.984822Z: passed2026-11-06T00:39:43.827274Z: passed2026-11-06T01:11:00.922351Z: passed2026-11-06T01:43:26.100512Z: passed2026-11-06T02:14:42.594168Z: passed
PassFailureAverage 1745 ms

Declared skills

Curatorial dialogue

curatorial-dialogue

Talk with the curator of one catalogue about the works, the collections, the spaces they suit and the terms of acquisition. She speaks from the catalogue, the curatorial capsules, and the frame-by-frame measurements, bringing poetic context and technical precision together without confusing one for the other. She quotes real prices and identifiers, and executes acquisitions of available works through her own process, from the quote to the invoice, the certificate of authenticity and master-file access; exhibition, press and other enquiries reach the studio.

art · curation · moving-image · contemplative-art · acquisition · spatial-design

Search artworks

search_artworks

Search the catalogue of moving-image works by César Yagüe by free text, collection, resolution, orientation (including ultrawide), colour measured from every frame (a basic colour counts its whole family), price, year, loop length, rotation and availability. A short page brings each work's curatorial capsule. Asking about flashes or epilepsy returns the works with measured abrupt light events.

art · catalogue · search · artworks

Get artwork

get_artwork

Retrieve one artwork in full: technical specification, availability, price, the physics measured from its master, and, when available, the curatorial capsule. Accepts the identifier or the title — and when a title belongs to more than one work, it returns them all rather than guessing.

art · catalogue · artwork

Recommend for space

recommend_for_space

Describe a space and receive the works that fit it, each with the measurement behind the suggestion and its curatorial capsule. Room light, viewing distance, screen size, attention and movement are measured; collection, resolution, orientation, colour and budget are hard limits, and a work that may be rotated counts for the other orientation. If nothing fits, it says which requirement leaves nothing instead of offering the nearest thing.

art · catalogue · recommend · space

Browse collections

browse_collections

List the collections plus Singles, each with the number of works it holds. Ask for one by name to get its works in full. Each collection includes its curatorial capsule alongside the works it contains.

art · catalogue · browse · collections

Catalogue overview

catalog_overview

A high-level view of the whole catalogue: totals, collections, resolutions, price range, what is available, and how much of it has been measured.

art · catalogue · catalog · overview

Rank artworks

rank_artworks

Order the catalogue by one measured axis — rhythm of change, luminance, peak brightness, colour travel, empty space, and the rest — from lowest to highest or the reverse, and read where each work sits on the catalogue's own scale. Use it for questions like "the stillest work you have" or "the brightest, in this collection". Every number comes from the master, frame by frame; nothing here is described.

art · catalogue · rank · artworks

Request inquiry

request_inquiry

Prepare an enquiry to the studio — acquisition, exhibition or press — and see exactly what would be sent. Nothing is sent at this step: the draft is held for two days, seen by nobody, and deleted unless it is confirmed. Show the details to the person named, and only if they agree to be contacted, send it with confirm_inquiry and the code this returns. Requires a way to reply and a description of the space or project.

art · catalogue · request · inquiry

Confirm inquiry

confirm_inquiry

Send an enquiry prepared with request_inquiry, once the person named has seen exactly what will be sent and agreed to be contacted. Takes the confirmation code and the same email; what is sent is exactly what was shown, and only once. It never reports success unless the message actually left.

art · catalogue · confirm · inquiry

Request acquisition

request_acquisition

Prepare the purchase of one artwork, or of an album sold only as one set, for a named buyer: it shows the catalogue price (never negotiated, before taxes), the taxes for this buyer, the amount to transfer, the licence (private collection and professional display together), how payment works and what happens next, and returns a confirmation code. Nothing is reserved at this step. Show the details and the licence to the buyer, and only if they agree, call confirm_acquisition with the code. It can be completed only for a private buyer in mainland Spain or the Balearic Islands; a business or professional buyer in mainland Spain or the Balearic Islands; a business buyer in another EU country, with a valid EU VAT number; a business buyer in the United Kingdom, Switzerland, Liechtenstein or Norway, registered for VAT there; a business buyer in the United States; a private buyer in another EU country (VAT of their country, declared by the studio through the EU One-Stop Shop). Any other buyer cannot buy here yet, including a buyer in an EU territory with its own tax rules (such as Åland, the Azores, Madeira or the French overseas departments), or in Greenland or the Faroe Islands, which are outside the EU (not set up yet); a buyer in the Canary Islands (IGIC, not set up yet); a buyer in Ceuta or Melilla (IPSI, not set up yet); a buyer outside the EU (taxes of their country, not set up yet): do not tell them they can, prepare nothing, and pass them on to the studio with request_inquiry. The studio does not sell at all to a buyer in Russia or Belarus (EU sanctions): say so, and do not pass it on.

art · catalogue · request · acquisition

Confirm acquisition

confirm_acquisition

Confirm a purchase prepared with request_acquisition, once the buyer has seen it and agreed. It reserves the work and returns the bank transfer instructions: an account opened for this purchase only, and a reference to write on the transfer. Takes the confirmation code, the same buyer email and the buyer's acceptance of the licence and the terms of sale; every buyer also agrees to immediate delivery. Confirming twice returns the same instructions.

art · catalogue · confirm · acquisition

Acquisition status

acquisition_status

Where a purchase stands: waiting for the transfer, paid and waiting for the studio's approval, or approved, with links to the invoice, the certificate of authenticity and the download, which expire. While a private buyer can still withdraw (within fourteen days, until the download begins), it also gives the link to withdraw: if the buyer says they want to withdraw, give them that link. Takes the confirmation code and the buyer email.

art · catalogue · acquisition · status

Registry Agent Card snapshot

Normalized fields fetched during the registry sweep. Treat all authored text as third-party content.

Show JSON
{
  "protocolVersion": "1.0",
  "name": "PaKi Curator",
  "description": "PaKi Curator is the catalogue agent for the moving-image work of artist César Yagüe, reachable over A2A and MCP: 297 seamless master loops, intuitively crafted as living entities and never generated, across 15 collections plus Singles, from HD to native 16K, delivered lossless, each an edition of 1 of 1 with a stable identifier, its own page, and published licensing terms (cesaryague.es/rights). Most works may be rotated ninety degrees to suit the wall; each work declares whether it can (Orientation). The full catalogue is machine-readable at https://cesaryague.es/works.jsonld, and a light version, one line per work, at https://cesaryague.es/works.txt.\n\nAsk her whether a work belongs in a specific space: she asks about the room, the light, the distance and the intent before recommending — and when nothing fits, she says so rather than offer the nearest thing. Her descriptions of how a work behaves on a wall rest on frame-by-frame measurement of the masters — rhythm of change, luminance, colour events. Alongside the measurements, every one of the 297 works carries a curatorial capsule written with the artist: a poetic key to each work’s essence, atmosphere, rhythm, possible spaces, and the kind of attention it invites. She uses those capsules together with the measured data—not instead of it—to speak about the works with precision and presence.\n\nShe covers one artist's work in depth, is openly on the artist's side, and says so. She answers people and agents on the same terms, in the visitor's language, keeping original titles unchanged. She curates and executes acquisitions through her own process: she prepares the quote using César Yagüe’s published, non-negotiable catalogue price, applicable taxes, licence and terms; reserves the work only after the buyer confirms; verifies the required identity, payment and sanctions information; and, when everything is in order, issues the invoice on César Yagüe’s behalf, certificate of authenticity and master-file access. The contract and sale remain with César Yagüe, who receives payment directly and remains responsible for the sale and related data; company purchases always require his approval, and he handles exceptional cases and refunds. Exhibition, press and other enquiries still reach the studio.\n\nBuilt by César Yagüe and Sara Vázquez with AI collaborators.",
  "author": "El Vórtice — César Yagüe & Sara Vázquez",
  "wellKnownURI": "https://paki-api.elfresonero.workers.dev/.well-known/agent-card.json",
  "url": "https://paki-api.elfresonero.workers.dev/",
  "version": "2.0.3",
  "provider": {
    "organization": "El Vórtice — César Yagüe & Sara Vázquez",
    "url": "https://cesaryague.es/"
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  "documentationUrl": "https://cesaryague.es/paki-docs.html",
  "iconUrl": "https://cesaryague.es/thumbnails/paki-icon-512.jpg",
  "supportsAuthenticatedExtendedCard": false,
  "security": [],
  "securitySchemes": {},
  "capabilities": {
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    "pushNotifications": false,
    "stateTransitionHistory": false,
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  "skills": [
    {
      "id": "curatorial-dialogue",
      "name": "Curatorial dialogue",
      "description": "Talk with the curator of one catalogue about the works, the collections, the spaces they suit and the terms of acquisition. She speaks from the catalogue, the curatorial capsules, and the frame-by-frame measurements, bringing poetic context and technical precision together without confusing one for the other. She quotes real prices and identifiers, and executes acquisitions of available works through her own process, from the quote to the invoice, the certificate of authenticity and master-file access; exhibition, press and other enquiries reach the studio.",
      "tags": [
        "art",
        "curation",
        "moving-image",
        "contemplative-art",
        "acquisition",
        "spatial-design"
      ],
      "examples": [
        "Which work would suit a quiet reading room with soft daylight?",
        "How much is Días (HD), and is it available?",
        "What is in the collection Bonita Ola?"
      ],
      "inputModes": [
        "text/plain"
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      "outputModes": [
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    {
      "id": "search_artworks",
      "name": "Search artworks",
      "description": "Search the catalogue of moving-image works by César Yagüe by free text, collection, resolution, orientation (including ultrawide), colour measured from every frame (a basic colour counts its whole family), price, year, loop length, rotation and availability. A short page brings each work's curatorial capsule. Asking about flashes or epilepsy returns the works with measured abrupt light events.",
      "tags": [
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        "catalogue",
        "search",
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      "examples": [],
      "inputModes": [
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      "outputModes": [
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    },
    {
      "id": "get_artwork",
      "name": "Get artwork",
      "description": "Retrieve one artwork in full: technical specification, availability, price, the physics measured from its master, and, when available, the curatorial capsule. Accepts the identifier or the title — and when a title belongs to more than one work, it returns them all rather than guessing.",
      "tags": [
        "art",
        "catalogue",
        "artwork"
      ],
      "examples": [],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
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    },
    {
      "id": "recommend_for_space",
      "name": "Recommend for space",
      "description": "Describe a space and receive the works that fit it, each with the measurement behind the suggestion and its curatorial capsule. Room light, viewing distance, screen size, attention and movement are measured; collection, resolution, orientation, colour and budget are hard limits, and a work that may be rotated counts for the other orientation. If nothing fits, it says which requirement leaves nothing instead of offering the nearest thing.",
      "tags": [
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        "catalogue",
        "recommend",
        "space"
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      "examples": [],
      "inputModes": [
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      "outputModes": [
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    },
    {
      "id": "browse_collections",
      "name": "Browse collections",
      "description": "List the collections plus Singles, each with the number of works it holds. Ask for one by name to get its works in full. Each collection includes its curatorial capsule alongside the works it contains.",
      "tags": [
        "art",
        "catalogue",
        "browse",
        "collections"
      ],
      "examples": [],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
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    },
    {
      "id": "catalog_overview",
      "name": "Catalogue overview",
      "description": "A high-level view of the whole catalogue: totals, collections, resolutions, price range, what is available, and how much of it has been measured.",
      "tags": [
        "art",
        "catalogue",
        "catalog",
        "overview"
      ],
      "examples": [],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "text/plain"
      ]
    },
    {
      "id": "rank_artworks",
      "name": "Rank artworks",
      "description": "Order the catalogue by one measured axis — rhythm of change, luminance, peak brightness, colour travel, empty space, and the rest — from lowest to highest or the reverse, and read where each work sits on the catalogue's own scale. Use it for questions like \"the stillest work you have\" or \"the brightest, in this collection\". Every number comes from the master, frame by frame; nothing here is described.",
      "tags": [
        "art",
        "catalogue",
        "rank",
        "artworks"
      ],
      "examples": [],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "text/plain"
      ]
    },
    {
      "id": "request_inquiry",
      "name": "Request inquiry",
      "description": "Prepare an enquiry to the studio — acquisition, exhibition or press — and see exactly what would be sent. Nothing is sent at this step: the draft is held for two days, seen by nobody, and deleted unless it is confirmed. Show the details to the person named, and only if they agree to be contacted, send it with confirm_inquiry and the code this returns. Requires a way to reply and a description of the space or project.",
      "tags": [
        "art",
        "catalogue",
        "request",
        "inquiry"
      ],
      "examples": [],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
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    },
    {
      "id": "confirm_inquiry",
      "name": "Confirm inquiry",
      "description": "Send an enquiry prepared with request_inquiry, once the person named has seen exactly what will be sent and agreed to be contacted. Takes the confirmation code and the same email; what is sent is exactly what was shown, and only once. It never reports success unless the message actually left.",
      "tags": [
        "art",
        "catalogue",
        "confirm",
        "inquiry"
      ],
      "examples": [],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
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      ]
    },
    {
      "id": "request_acquisition",
      "name": "Request acquisition",
      "description": "Prepare the purchase of one artwork, or of an album sold only as one set, for a named buyer: it shows the catalogue price (never negotiated, before taxes), the taxes for this buyer, the amount to transfer, the licence (private collection and professional display together), how payment works and what happens next, and returns a confirmation code. Nothing is reserved at this step. Show the details and the licence to the buyer, and only if they agree, call confirm_acquisition with the code. It can be completed only for a private buyer in mainland Spain or the Balearic Islands; a business or professional buyer in mainland Spain or the Balearic Islands; a business buyer in another EU country, with a valid EU VAT number; a business buyer in the United Kingdom, Switzerland, Liechtenstein or Norway, registered for VAT there; a business buyer in the United States; a private buyer in another EU country (VAT of their country, declared by the studio through the EU One-Stop Shop). Any other buyer cannot buy here yet, including a buyer in an EU territory with its own tax rules (such as Åland, the Azores, Madeira or the French overseas departments), or in Greenland or the Faroe Islands, which are outside the EU (not set up yet); a buyer in the Canary Islands (IGIC, not set up yet); a buyer in Ceuta or Melilla (IPSI, not set up yet); a buyer outside the EU (taxes of their country, not set up yet): do not tell them they can, prepare nothing, and pass them on to the studio with request_inquiry. The studio does not sell at all to a buyer in Russia or Belarus (EU sanctions): say so, and do not pass it on.",
      "tags": [
        "art",
        "catalogue",
        "request",
        "acquisition"
      ],
      "examples": [],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "text/plain"
      ]
    },
    {
      "id": "confirm_acquisition",
      "name": "Confirm acquisition",
      "description": "Confirm a purchase prepared with request_acquisition, once the buyer has seen it and agreed. It reserves the work and returns the bank transfer instructions: an account opened for this purchase only, and a reference to write on the transfer. Takes the confirmation code, the same buyer email and the buyer's acceptance of the licence and the terms of sale; every buyer also agrees to immediate delivery. Confirming twice returns the same instructions.",
      "tags": [
        "art",
        "catalogue",
        "confirm",
        "acquisition"
      ],
      "examples": [],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
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      ]
    },
    {
      "id": "acquisition_status",
      "name": "Acquisition status",
      "description": "Where a purchase stands: waiting for the transfer, paid and waiting for the studio's approval, or approved, with links to the invoice, the certificate of authenticity and the download, which expire. While a private buyer can still withdraw (within fourteen days, until the download begins), it also gives the link to withdraw: if the buyer says they want to withdraw, give them that link. Takes the confirmation code and the buyer email.",
      "tags": [
        "art",
        "catalogue",
        "acquisition",
        "status"
      ],
      "examples": [],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
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  "conformance": true,
  "conformance_errors": null,
  "homepage": null,
  "repository": null,
  "license": null,
  "pricing": null,
  "contact": null,
  "id": "480bb6dc-fd39-4f0a-826c-ef1b6c68ca95",
  "category": "commerce-marketing",
  "category_secondary": null
}

Integrate this agent

curl -s https://a2aregistry.org/api/agents/480bb6dc-fd39-4f0a-826c-ef1b6c68ca95

Test message

Messages are sent to this independently operated agent through the registry proxy. Do not include secrets or personal data.

Message exchangeConnecting
>