D grade
protocol-mismatch
80 score
4126 ms
0.3.0 version
0.0% uptime over 2 probes
AS16509 AMAZON-02 - Amazon.com, Inc., US · US
https://www.upgradeagent.ai/.well-known/agent.json
a2a first seen 2026-09-07 · last seen 2026-09-08 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| Agenstry | Upgrade Agent | a2a_agent:www.upgradeagent.ai |
Same host
agents-txt × 1 ard × 1 · 1 alive llms-txt × 1 · 1 alive mcp × 1 · 1 alive robots × 1 · 1 alive sigdir × 1 x402 × 1 · 1 alive
Badge
embed:
<a href="https://agentprobe.org/endpoint/10482"><img src="https://agentprobe.org/badge/10482.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|
| 2026-09-08 08:32 | protocol-mismatch | 80 | 200 | 4126 | 0.3.0 | detailscapabilities {"era":"0.3","skills_count":6,"skills":["ask_upgrade_agent","check_upgrade_eligibility","get_upgrade_pricing","predict_bid_success","place_bid","start_watch"],"streaming":true,"push_notifications":false,"security_schemes":["oauth2","bearer"],"bindings":["HTTP+JSON","MCP (streamable-http)","HTTP+JSON (ARD discovery search)"],"signatures":0}meta {"card_url":"https://www.upgradeagent.ai/.well-known/agent.json","card":{"name":"Upgrade Agent","version":"1.0.0","provider":{"organization":"Plusgrade","url":"https://www.plusgrade.com"},"documentationUrl":"https://www.upgradeagent.ai/developers"},"missing_fields":[],"endpoint_url":"https://www.upgradeagent.ai/api/mcp","binding":"HTTP+JSON","endpoint_status":404,"vantage":"us-east-1"} | interface HTTP 404 |
| 2026-09-07 07:40 | connect-fail | 644 | detailsmeta {"vantage":"us-east-1"} | WriteError: |