A2A REGISTRY·AGENT RECORD·258e9943-2387-4d75-963f-253d959a16d1

Provider

Unknown

Quantum Companies

Find the companies building quantum technology. Ask a question in plain text and get the matching quantum companies, each with its page URL. For tool access, use the MCP server at https://quantumcompanies.fyi/mcp.

Observed evidence

Task verified

Last sweep

Launch endpoint ↗

Agent datasheet

Agent ID
258e9943-2387-4d75-963f-253d959a16d1
Category
Data & analytics · Agent directories
Canonical card
https://quantumcompanies.fyi/.well-known/agent-card.json
Endpoint
https://quantumcompanies.fyi/a2a
Protocol version
0.3.0
Agent version
1
Streaming
Not declared
Input modes
text/plain
Output modes
text/plain, application/json

Reachability record

Last 100 checks shown · 95.4% across 30 days

2026-11-04T04:18:57.637530Z: passed2026-11-04T04:50:20.431924Z: passed2026-11-04T05:21:36.529840Z: passed2026-11-04T05:52:43.146202Z: passed2026-11-04T06:24:06.343582Z: passed2026-11-04T06:43:08.711397Z: passed2026-11-04T07:14:34.786319Z: passed2026-11-04T07:45:53.384738Z: passed2026-11-04T08:16:58.796835Z: passed2026-11-04T08:48:11.978467Z: passed2026-11-04T09:19:20.796289Z: passed2026-11-04T09:50:40.091989Z: passed2026-11-04T10:22:03.624043Z: passed2026-11-04T10:53:19.260170Z: passed2026-11-04T11:24:43.923601Z: passed2026-11-04T11:55:57.081208Z: passed2026-11-04T12:27:11.990142Z: passed2026-11-04T12:58:48.992433Z: passed2026-11-04T13:30:33.691772Z: passed2026-11-04T14:02:22.989802Z: passed2026-11-04T14:34:16.993509Z: passed2026-11-04T15:06:39.180981Z: passed2026-11-04T15:38:18.285251Z: passed2026-11-04T16:09:41.597863Z: passed2026-11-04T16:41:16.691703Z: passed2026-11-04T17:12:34.993858Z: passed2026-11-04T17:44:03.196186Z: passed2026-11-04T18:15:37.078764Z: passed2026-11-04T18:47:20.084777Z: passed2026-11-04T19:18:37.888760Z: passed2026-11-04T19:50:05.123886Z: passed2026-11-04T20:21:34.999117Z: passed2026-11-04T20:52:55.816287Z: passed2026-11-04T21:24:20.996409Z: passed2026-11-04T21:55:38.340564Z: passed2026-11-04T22:26:59.389429Z: passed2026-11-04T22:58:43.069399Z: passed2026-11-04T23:30:26.479095Z: passed2026-11-05T00:02:04.609336Z: passed2026-11-05T00:33:31.493917Z: passed2026-11-05T01:04:48.681806Z: passed2026-11-05T01:06:20.706031Z: passed2026-11-05T01:37:35.208747Z: passed2026-11-05T02:08:49.516845Z: passed2026-11-05T02:40:19.911364Z: passed2026-11-05T03:11:53.214475Z: passed2026-11-05T03:43:09.286325Z: passed2026-11-05T04:08:34.226291Z: failed2026-11-05T04:08:35.819127Z: failed2026-11-05T04:08:38.118137Z: failed2026-11-05T04:08:38.907227Z: failed2026-11-05T04:08:42.419059Z: failed2026-11-05T04:08:43.095923Z: failed2026-11-05T04:08:43.813972Z: failed2026-11-05T04:14:37.123870Z: passed2026-11-05T04:45:45.980989Z: passed2026-11-05T05:17:03.510978Z: passed2026-11-05T05:18:19.452284Z: passed2026-11-05T05:49:26.753432Z: passed2026-11-05T06:20:28.349718Z: passed2026-11-05T06:52:01.643223Z: passed2026-11-05T07:23:23.949208Z: passed2026-11-05T07:54:51.055210Z: passed2026-11-05T08:26:03.650231Z: passed2026-11-05T08:57:22.852201Z: passed2026-11-05T09:28:25.950764Z: passed2026-11-05T09:59:29.657123Z: passed2026-11-05T10:30:34.742255Z: passed2026-11-05T11:01:34.125490Z: passed2026-11-05T11:32:49.060036Z: passed2026-11-05T12:03:52.367664Z: passed2026-11-05T12:35:08.359363Z: passed2026-11-05T13:06:24.459174Z: passed2026-11-05T13:37:49.444039Z: passed2026-11-05T14:09:23.357188Z: passed2026-11-05T14:41:20.050515Z: passed2026-11-05T14:42:34.655220Z: passed2026-11-05T15:14:18.742379Z: passed2026-11-05T15:45:23.950993Z: passed2026-11-05T16:16:46.056865Z: passed2026-11-05T16:47:58.550091Z: passed2026-11-05T17:19:21.847919Z: passed2026-11-05T17:50:39.253610Z: passed2026-11-05T18:21:52.849500Z: passed2026-11-05T18:53:12.840071Z: passed2026-11-05T19:24:18.054990Z: passed2026-11-05T19:55:34.740321Z: passed2026-11-05T20:26:50.442835Z: passed2026-11-05T20:58:00.670385Z: passed2026-11-05T21:29:23.648639Z: passed2026-11-05T22:00:34.255860Z: passed2026-11-05T22:32:21.854214Z: passed2026-11-05T23:04:01.540299Z: passed2026-11-05T23:35:43.151671Z: passed2026-11-06T00:07:17.459231Z: passed2026-11-06T00:38:36.845052Z: passed2026-11-06T01:09:54.160341Z: passed2026-11-06T01:41:09.642199Z: passed2026-11-06T01:42:27.161757Z: passed2026-11-06T02:13:38.607154Z: passed
PassFailureAverage 1621 ms

Declared skills

Find quantum companies

find-listings

Answer a plain-text question with the published quantum companies that match its place, category or words: the number of matches and up to 5 of them with their page URL.

directory · quantum companies · search

About Quantum Companies

describe-directory

Say what Quantum Companies covers: how many quantum companies it lists and which categories it has.

directory · quantum companies · overview

Registry Agent Card snapshot

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

Show JSON
{
  "protocolVersion": "0.3.0",
  "name": "Quantum Companies",
  "description": "Find the companies building quantum technology. Ask a question in plain text and get the matching quantum companies, each with its page URL. For tool access, use the MCP server at https://quantumcompanies.fyi/mcp.",
  "author": "Unknown",
  "wellKnownURI": "https://quantumcompanies.fyi/.well-known/agent-card.json",
  "url": "https://quantumcompanies.fyi/a2a",
  "version": "1",
  "provider": null,
  "documentationUrl": "https://quantumcompanies.fyi/developers",
  "iconUrl": null,
  "supportsAuthenticatedExtendedCard": null,
  "security": [],
  "securitySchemes": {},
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "extensions": null
  },
  "defaultInputModes": [
    "text/plain"
  ],
  "defaultOutputModes": [
    "text/plain",
    "application/json"
  ],
  "skills": [
    {
      "id": "find-listings",
      "name": "Find quantum companies",
      "description": "Answer a plain-text question with the published quantum companies that match its place, category or words: the number of matches and up to 5 of them with their page URL.",
      "tags": [
        "directory",
        "quantum companies",
        "search"
      ],
      "examples": [
        "List quantum companies in the Quantum hardware category"
      ],
      "inputModes": [
        "text/plain"
      ],
      "outputModes": [
        "text/plain",
        "application/json"
      ]
    },
    {
      "id": "describe-directory",
      "name": "About Quantum Companies",
      "description": "Say what Quantum Companies covers: how many quantum companies it lists and which categories it has.",
      "tags": [
        "directory",
        "quantum companies",
        "overview"
      ],
      "examples": [
        "What can you tell me about quantum companies?"
      ],
      "inputModes": [
        "text/plain"
      ],
      "outputModes": [
        "text/plain",
        "application/json"
      ]
    }
  ],
  "conformance": true,
  "conformance_errors": null,
  "homepage": null,
  "repository": null,
  "license": null,
  "pricing": null,
  "contact": null,
  "id": "258e9943-2387-4d75-963f-253d959a16d1",
  "category": "data-analytics",
  "category_secondary": "agent-directories"
}

Integrate this agent

curl -s https://a2aregistry.org/api/agents/258e9943-2387-4d75-963f-253d959a16d1

Test message

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

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