io.github.Invaro/opentax
Verifiable US tax oracle for AI agents: cited, machine-checkable federal and state tax computation
endpoint: https://opentax.invaro.ai/mcp
registry: io.github.Invaro/opentax
A
recent success 100% (30 probes) ·
MCP handshake OK
· protocol 2025-06-18
TLS valid (70d left) · latency 80.0 ms ·
HTTP 405 · auth open ·
tools 15
manifest 0e7ddab77d7269e8
· drift events seen here: 4
Embed this grade
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Recent probes
| time (UTC) | ok | grade | mcp | latency | tls | tools | hash |
|---|---|---|---|---|---|---|---|
| 2026-10-12T22:55:25Z | ✓ | A | ✓ | 80.0 ms | 70d | 15 | 0e7ddab77d7269e8 |
| 2026-10-12T16:53:48Z | ✓ | A | ✓ | 84.0 ms | 70d | 15 | 0e7ddab77d7269e8 |
| 2026-10-12T10:50:02Z | ✓ | A | ✓ | 91.0 ms | 70d | 15 | 0e7ddab77d7269e8 |
| 2026-10-12T04:43:34Z | ✓ | A | ✓ | 84.0 ms | 70d | 15 | 0e7ddab77d7269e8 |
| 2026-10-11T22:42:41Z | ✓ | A | ✓ | 309.0 ms | 71d | 15 | 0e7ddab77d7269e8 |
| 2026-10-11T16:42:01Z | ✓ | A | ✓ | 72.0 ms | 71d | 15 | 0e7ddab77d7269e8 |
| 2026-10-11T10:41:14Z | ✓ | A | ✓ | 59.0 ms | 71d | 15 | 0e7ddab77d7269e8 |
| 2026-10-11T04:39:37Z | ✓ | A | ✓ | 80.0 ms | 71d | 15 | 0e7ddab77d7269e8 |
| 2026-10-10T22:39:06Z | ✓ | A | ✓ | 79.0 ms | 72d | 15 | b9746682f6b35bd5 |
| 2026-10-10T16:38:38Z | ✓ | A | ✓ | 59.0 ms | 72d | 15 | b9746682f6b35bd5 |
| 2026-10-10T10:37:47Z | ✓ | A | ✓ | 80.0 ms | 72d | 15 | b9746682f6b35bd5 |
| 2026-10-10T04:36:56Z | ✓ | A | ✓ | 204.0 ms | 72d | 15 | b9746682f6b35bd5 |
| 2026-10-09T22:34:44Z | ✓ | A | ✓ | 74.0 ms | 73d | 15 | b9746682f6b35bd5 |
| 2026-10-09T16:33:31Z | ✓ | A | ✓ | 92.0 ms | 73d | 15 | b9746682f6b35bd5 |
| 2026-10-09T10:31:02Z | ✓ | A | ✓ | 92.0 ms | 73d | 15 | b9746682f6b35bd5 |
| 2026-10-09T04:29:22Z | ✓ | A | ✓ | 76.0 ms | 73d | 15 | b9746682f6b35bd5 |
| 2026-10-08T22:28:18Z | ✓ | A | ✓ | 77.0 ms | 74d | 15 | b9746682f6b35bd5 |
| 2026-10-08T16:27:51Z | ✓ | A | ✓ | 148.0 ms | 74d | 15 | b9746682f6b35bd5 |
| 2026-10-08T10:26:23Z | ✓ | A | ✓ | 121.0 ms | 74d | 15 | b9746682f6b35bd5 |
| 2026-10-08T04:25:22Z | ✓ | A | ✓ | 219.0 ms | 74d | 15 | b9746682f6b35bd5 |
| 2026-10-07T22:24:35Z | ✓ | A | ✓ | 71.0 ms | 75d | 15 | b9746682f6b35bd5 |
| 2026-10-07T16:23:37Z | ✓ | A | ✓ | 70.0 ms | 75d | 15 | b9746682f6b35bd5 |
| 2026-10-07T10:22:45Z | ✓ | A | ✓ | 75.0 ms | 75d | 15 | b9746682f6b35bd5 |
| 2026-10-07T04:21:46Z | ✓ | A | ✓ | 119.0 ms | 75d | 15 | b9746682f6b35bd5 |
| 2026-10-06T22:20:07Z | ✓ | A | ✓ | 111.0 ms | 76d | 15 | b9746682f6b35bd5 |
| 2026-10-06T16:19:28Z | ✓ | A | ✓ | 118.0 ms | 76d | 15 | b9746682f6b35bd5 |
| 2026-10-06T10:18:30Z | ✓ | A | ✓ | 68.0 ms | 76d | 15 | b9746682f6b35bd5 |
| 2026-10-06T04:17:29Z | ✓ | A | ✓ | 56.0 ms | 76d | 15 | b9746682f6b35bd5 |
| 2026-10-05T22:16:27Z | ✓ | A | ✓ | 103.0 ms | 77d | 15 | b9746682f6b35bd5 |
| 2026-10-05T16:15:45Z | ✓ | A | ✓ | 85.0 ms | 77d | 15 | b9746682f6b35bd5 |