Coal — Payments for AI agents
Payment rails for AI agents. Pay merchants in USDC on Base. Dual-protocol: x402 + OKX APP.
endpoint: https://mcp.usecoal.xyz/api/mcp
registry: io.github.emmanuel39hanks/coal
A
recent success 100% (30 probes) ·
MCP handshake OK
· protocol 2025-03-26
TLS valid (31d left) · latency 95.0 ms ·
HTTP 200 · auth open ·
tools 13
manifest 99e5ad3410376616
· drift events seen here: 0
Embed this grade
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Recent probes
| time (UTC) | ok | grade | mcp | latency | tls | tools | hash |
|---|---|---|---|---|---|---|---|
| 2026-10-12T22:49:31Z | ✓ | A | ✓ | 95.0 ms | 31d | 13 | 99e5ad3410376616 |
| 2026-10-12T16:47:51Z | ✓ | A | ✓ | 96.0 ms | 32d | 13 | 99e5ad3410376616 |
| 2026-10-12T10:44:12Z | ✓ | A | ✓ | 115.0 ms | 32d | 13 | 99e5ad3410376616 |
| 2026-10-12T04:37:14Z | ✓ | A | ✓ | 161.0 ms | 32d | 13 | 99e5ad3410376616 |
| 2026-10-11T22:36:24Z | ✓ | A | ✓ | 82.0 ms | 32d | 13 | 99e5ad3410376616 |
| 2026-10-11T16:34:37Z | ✓ | A | ✓ | 109.0 ms | 33d | 13 | 99e5ad3410376616 |
| 2026-10-11T10:32:33Z | ✓ | A | ✓ | 60.0 ms | 33d | 13 | 99e5ad3410376616 |
| 2026-10-11T04:30:23Z | ✓ | A | ✓ | 97.0 ms | 33d | 13 | 99e5ad3410376616 |
| 2026-10-10T22:29:40Z | ✓ | A | ✓ | 73.0 ms | 33d | 13 | 99e5ad3410376616 |
| 2026-10-10T16:29:06Z | ✓ | A | ✓ | 105.0 ms | 34d | 13 | 99e5ad3410376616 |
| 2026-10-10T10:27:54Z | ✓ | A | ✓ | 135.0 ms | 34d | 13 | 99e5ad3410376616 |
| 2026-10-10T04:27:08Z | ✓ | A | ✓ | 80.0 ms | 34d | 13 | 99e5ad3410376616 |
| 2026-10-09T22:25:55Z | ✓ | A | ✓ | 71.0 ms | 34d | 13 | 99e5ad3410376616 |
| 2026-10-09T16:25:30Z | ✓ | A | ✓ | 89.0 ms | 35d | 13 | 99e5ad3410376616 |
| 2026-10-09T10:24:47Z | ✓ | A | ✓ | 132.0 ms | 35d | 13 | 99e5ad3410376616 |
| 2026-10-09T04:22:01Z | ✓ | A | ✓ | 94.0 ms | 35d | 13 | 99e5ad3410376616 |
| 2026-10-08T22:21:12Z | ✓ | A | ✓ | 94.0 ms | 35d | 13 | 99e5ad3410376616 |
| 2026-10-08T16:20:08Z | ✓ | A | ✓ | 146.0 ms | 36d | 13 | 99e5ad3410376616 |
| 2026-10-08T10:18:35Z | ✓ | A | ✓ | 80.0 ms | 36d | 13 | 99e5ad3410376616 |
| 2026-10-08T04:18:01Z | ✓ | A | ✓ | 125.0 ms | 36d | 13 | 99e5ad3410376616 |
| 2026-10-07T22:16:54Z | ✓ | A | ✓ | 104.0 ms | 36d | 13 | 99e5ad3410376616 |
| 2026-10-07T16:16:05Z | ✓ | A | ✓ | 112.0 ms | 37d | 13 | 99e5ad3410376616 |
| 2026-10-07T10:14:18Z | ✓ | A | ✓ | 131.0 ms | 37d | 13 | 99e5ad3410376616 |
| 2026-10-07T04:13:53Z | ✓ | A | ✓ | 135.0 ms | 37d | 13 | 99e5ad3410376616 |
| 2026-10-06T22:12:55Z | ✓ | A | ✓ | 50.0 ms | 37d | 13 | 99e5ad3410376616 |
| 2026-10-06T16:12:23Z | ✓ | A | ✓ | 82.0 ms | 38d | 13 | 99e5ad3410376616 |
| 2026-10-06T10:11:11Z | ✓ | A | ✓ | 97.0 ms | 38d | 13 | 99e5ad3410376616 |
| 2026-10-06T04:10:13Z | ✓ | A | ✓ | 140.0 ms | 38d | 13 | 99e5ad3410376616 |
| 2026-10-05T22:09:14Z | ✓ | A | ✓ | 92.0 ms | 38d | 13 | 99e5ad3410376616 |
| 2026-10-05T16:08:40Z | ✓ | A | ✓ | 75.0 ms | 39d | 13 | 99e5ad3410376616 |