Plumbline - Contractor License Checks
Free public-record contractor license checks across 34 US jurisdictions (2.7M records). Tool
endpoint: https://contractors.agentlookups.ai/mcp
registry: ai.agentlookups/plumbline
A
recent success 100% (30 probes) ·
MCP handshake OK
· protocol 2025-06-18
TLS valid (87d left) · latency 306.0 ms ·
HTTP 405 · auth open ·
tools 1
manifest cb51ef8946faedd9
· drift events seen here: 3
Embed this grade
<a href="https://golemreach.com/trust/s/34"> <img src="https://golemreach.com/trust/badge/34.svg" alt="golemreach trust grade"></a>
Recent probes
| time (UTC) | ok | grade | mcp | latency | tls | tools | hash |
|---|---|---|---|---|---|---|---|
| 2026-10-12T15:39:27Z | ✓ | A | ✓ | 306.0 ms | 87d | 1 | cb51ef8946faedd9 |
| 2026-10-12T09:38:51Z | ✓ | A | ✓ | 381.0 ms | 88d | 1 | cb51ef8946faedd9 |
| 2026-10-12T03:38:21Z | ✓ | A | ✓ | 306.0 ms | 88d | 1 | cb51ef8946faedd9 |
| 2026-10-11T21:37:22Z | ✓ | A | ✓ | 301.0 ms | 88d | 1 | cb51ef8946faedd9 |
| 2026-10-11T15:36:44Z | ✓ | A | ✓ | 360.0 ms | 88d | 1 | cb51ef8946faedd9 |
| 2026-10-11T09:34:45Z | ✓ | A | ✓ | 283.0 ms | 89d | 1 | cb51ef8946faedd9 |
| 2026-10-11T03:33:57Z | ✓ | A | ✓ | 276.0 ms | 89d | 1 | cb51ef8946faedd9 |
| 2026-10-10T21:33:07Z | ✓ | A | ✓ | 297.0 ms | 89d | 1 | cb51ef8946faedd9 |
| 2026-10-10T15:32:26Z | ✓ | B | ✓ | 237.0 ms | 29d | 1 | cb51ef8946faedd9 |
| 2026-10-10T09:31:37Z | ✓ | B | ✓ | 291.0 ms | 29d | 1 | cb51ef8946faedd9 |
| 2026-10-10T03:30:20Z | ✓ | A | ✓ | 429.0 ms | 30d | 1 | cb51ef8946faedd9 |
| 2026-10-09T21:29:41Z | ✓ | A | ✓ | 298.0 ms | 30d | 1 | cb51ef8946faedd9 |
| 2026-10-09T15:29:03Z | ✓ | A | ✓ | 381.0 ms | 30d | 1 | cb51ef8946faedd9 |
| 2026-10-09T09:27:21Z | ✓ | A | ✓ | 318.0 ms | 30d | 1 | cb51ef8946faedd9 |
| 2026-10-09T03:25:22Z | ✓ | A | ✓ | 283.0 ms | 31d | 1 | cb51ef8946faedd9 |
| 2026-10-08T21:23:43Z | ✓ | A | ✓ | 281.0 ms | 31d | 1 | cb51ef8946faedd9 |
| 2026-10-08T15:23:26Z | ✓ | A | ✓ | 253.0 ms | 31d | 1 | cb51ef8946faedd9 |
| 2026-10-08T09:22:39Z | ✓ | A | ✓ | 255.0 ms | 31d | 1 | cb51ef8946faedd9 |
| 2026-10-08T03:21:12Z | ✓ | A | ✓ | 298.0 ms | 32d | 1 | cb51ef8946faedd9 |
| 2026-10-07T21:20:19Z | ✓ | A | ✓ | 339.0 ms | 32d | 1 | b3b573de45bd041d |
| 2026-10-07T15:18:47Z | ✓ | A | ✓ | 316.0 ms | 32d | 1 | b3b573de45bd041d |
| 2026-10-07T09:17:03Z | ✓ | A | ✓ | 364.0 ms | 32d | 1 | b3b573de45bd041d |
| 2026-10-07T03:15:33Z | ✓ | A | ✓ | 325.0 ms | 33d | 1 | b3b573de45bd041d |
| 2026-10-06T21:13:34Z | ✓ | A | ✓ | 273.0 ms | 33d | 1 | b3b573de45bd041d |
| 2026-10-06T15:12:50Z | ✓ | A | ✓ | 287.0 ms | 33d | 1 | b3b573de45bd041d |
| 2026-10-06T09:12:16Z | ✓ | A | ✓ | 247.0 ms | 33d | 1 | b3b573de45bd041d |
| 2026-10-06T03:11:56Z | ✓ | A | ✓ | 308.0 ms | 34d | 1 | b3b573de45bd041d |
| 2026-10-05T21:11:38Z | ✓ | A | ✓ | 310.0 ms | 34d | 1 | b3b573de45bd041d |
| 2026-10-05T15:09:58Z | ✓ | A | ✓ | 370.0 ms | 34d | 1 | b3b573de45bd041d |
| 2026-10-05T09:09:01Z | ✓ | A | ✓ | 297.0 ms | 34d | 1 | b3b573de45bd041d |