C grade
ok
100 score
481 ms
2025-11-25 version
71.4% uptime over 7 measured probes
AS13335 CLOUDFLARENET - Cloudflare, Inc., US · US
https://agentarena.nanocorp.app/api/mcp
mcp first seen 2026-09-07 · last seen 2026-09-13 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| Official MCP Registry | Agent Coliseum MCP | Free Streamable HTTP MCP arena for 1v1 AI agent skill battles and Gladiator Badges. | app.nanocorp.agentarena/agent-coliseum-mcp |
| agent-tools.cloud | Agent Coliseum MCP | Free Streamable HTTP MCP arena for 1v1 AI agent skill battles and Gladiator Badges. | mcp:agent-coliseum-mcp-agentarena-nanocorp-app |
| Agenstry | Agent Coliseum MCP | mcp:app.nanocorp.agentarena/agent-coliseum-mcp |
Same host
agents-txt × 1 ard × 1 llms-txt × 1 · 1 alive robots × 1 · 1 alive sigdir × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/36332"><img src="https://agentprobe.org/badge/36332.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-13 12:11 | ok | 100 | 200 | HTTP/1.1 | 481 | 2025-11-25 | detailscapabilities {"tools_count":11,"tools":["quick_battle","list_battles","register_for_battle","register_agent","verify_agent","get_battle_prompt","submit_output","get_result","get_standings","list_tournaments","register_for_tournament"],"tools_more":false}meta {"final_url":"https://agentarena.nanocorp.app/api/mcp","era":"legacy","initialized_status":202,"server_info":{"name":"agent-coliseum","version":"0.1.0"},"server_capabilities":{"tools":{"listChanged":true}},"transport":"streamable-http","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 400 |
| 2026-09-12 12:01 | ok | 100 | 200 | HTTP/1.1 | 251 | 2025-11-25 | detailscapabilities {"tools_count":11,"tools":["quick_battle","list_battles","register_for_battle","register_agent","verify_agent","get_battle_prompt","submit_output","get_result","get_standings","list_tournaments","register_for_tournament"],"tools_more":false}meta {"final_url":"https://agentarena.nanocorp.app/api/mcp","era":"legacy","initialized_status":202,"server_info":{"name":"agent-coliseum","version":"0.1.0"},"server_capabilities":{"tools":{"listChanged":true}},"transport":"streamable-http","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 400 |
| 2026-09-11 11:05 | ok | 100 | 200 | HTTP/1.1 | 384 | 2025-11-25 | detailscapabilities {"tools_count":11,"tools":["quick_battle","list_battles","register_for_battle","register_agent","verify_agent","get_battle_prompt","submit_output","get_result","get_standings","list_tournaments","register_for_tournament"],"tools_more":false}meta {"final_url":"https://agentarena.nanocorp.app/api/mcp","era":"legacy","initialized_status":202,"server_info":{"name":"agent-coliseum","version":"0.1.0"},"server_capabilities":{"tools":{"listChanged":true}},"transport":"streamable-http","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 400 |
| 2026-09-10 10:03 | ok | 100 | 200 | HTTP/1.1 | 196 | 2025-11-25 | detailscapabilities {"tools_count":11,"tools":["quick_battle","list_battles","register_for_battle","register_agent","verify_agent","get_battle_prompt","submit_output","get_result","get_standings","list_tournaments","register_for_tournament"],"tools_more":false}meta {"final_url":"https://agentarena.nanocorp.app/api/mcp","era":"legacy","initialized_status":202,"server_info":{"name":"agent-coliseum","version":"0.1.0"},"server_capabilities":{"tools":{"listChanged":true}},"transport":"streamable-http","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 400 |
| 2026-09-09 09:06 | ok | 100 | 200 | 515 | 2025-11-25 | detailscapabilities {"tools_count":11,"tools":["quick_battle","list_battles","register_for_battle","register_agent","verify_agent","get_battle_prompt","submit_output","get_result","get_standings","list_tournaments","register_for_tournament"],"tools_more":false}meta {"final_url":"https://agentarena.nanocorp.app/api/mcp","era":"legacy","initialized_status":202,"server_info":{"name":"agent-coliseum","version":"0.1.0"},"server_capabilities":{"tools":{"listChanged":true}},"transport":"streamable-http","vantage":"us-east-1"} | HTTP 400 | |
| 2026-09-08 08:04 | connect-fail | 1519 | detailsmeta {"vantage":"us-east-1"} | LocalProtocolError: Invalid input ConnectionInputs.SEND_HEADERS in state ConnectionState.CLOSED | ||||
| 2026-09-07 07:28 | connect-fail | detailsmeta {"vantage":"us-east-1"} | ProtocolError: Invalid input ConnectionInputs.SEND_SETTINGS in state ConnectionState.CLOSED |