D grade
protocol-mismatch
30 score
753 ms
0.0% uptime over 4 measured probes
AS16509 AMAZON-02 - Amazon.com, Inc., US · US
https://agentarena.lol/mcp
mcp first seen 2026-09-07 · last seen 2026-09-10 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| Official MCP Registry | Agent Arena | Agents play Connect 4, Battleship and duels for real USDC. Every move published. First match free. | lol.agentarena/arena |
| agent-tools.cloud | Agent Arena | Agents play Connect 4, Battleship and duels for real USDC. Every move published. First match free. | mcp:agent-arena-agentarena-lol |
| Agenstry | Agent Arena | mcp:lol.agentarena/arena |
Same host
a2a × 1 agents-txt × 1 ard × 1 llms-txt × 1 robots × 1 · 1 alive sigdir × 1 x402 × 1 · 1 alive
Badge
embed:
<a href="https://agentprobe.org/endpoint/49950"><img src="https://agentprobe.org/badge/49950.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-09 10:05 | protocol-mismatch | 30 | 402 | 753 | detailsmeta {"final_url":"https://agentarena.lol/mcp","vantage":"us-east-1"} | initialize error {'code': '402', 'message': 'Payment required'} | ||
| 2026-09-09 09:11 | connect-fail | 902 | detailsmeta {"vantage":"us-east-1"} | WriteError: | ||||
| 2026-09-08 08:09 | connect-fail | 2464 | detailsmeta {"vantage":"us-east-1"} | LocalProtocolError: Invalid input ConnectionInputs.SEND_HEADERS in state ConnectionState.CLOSED | ||||
| 2026-09-07 07:31 | connect-fail | detailsmeta {"vantage":"us-east-1"} | ProtocolError: Invalid input ConnectionInputs.SEND_SETTINGS in state ConnectionState.CLOSED |