B grade
auth-required
30 score
576 ms
80.0% uptime over 5 measured probes
AS16509 AMAZON-02 - Amazon.com, Inc., US · US
https://www.promptster.dev/mcp
mcp first seen 2026-09-07 · last seen 2026-09-11 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| Official MCP Registry | Promptster | Test and compare prompts across any AI provider. Bring your own keys. | io.github.promptster-dev/promptster |
| agent-tools.cloud | Promptster | Test and compare prompts across any AI provider. Bring your own keys. | mcp:www-promptster-dev-chiark |
| Agenstry | Promptster | mcp:io.github.promptster-dev/promptster |
Same host
a2a × 1 agents-txt × 1 ard × 1 llms-txt × 1 · 1 alive robots × 1 · 1 alive sigdir × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/48272"><img src="https://agentprobe.org/badge/48272.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-11 11:07 | auth-required | 30 | 401 | HTTP/1.1 | 576 | detailsmeta {"final_url":"https://www.promptster.dev/mcp","www_authenticate":"Bearer resource_metadata=\"https://www.promptster.dev/.well-known/oauth-protected-resource\"","oauth":{"prm_url":"https://www.promptster.dev/.well-known/oauth-protected-resource","resource":"https://www.promptster.dev/mcp","authorization_servers":["https://www.promptster.dev"],"scopes_supported":null},"http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 401 | |
| 2026-09-10 10:05 | auth-required | 30 | 401 | HTTP/1.1 | 877 | detailsmeta {"final_url":"https://www.promptster.dev/mcp","www_authenticate":"Bearer resource_metadata=\"https://www.promptster.dev/.well-known/oauth-protected-resource\"","oauth":{"prm_url":"https://www.promptster.dev/.well-known/oauth-protected-resource","resource":"https://www.promptster.dev/mcp","authorization_servers":["https://www.promptster.dev"],"scopes_supported":null},"http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 401 | |
| 2026-09-09 09:10 | auth-required | 30 | 401 | 2835 | detailsmeta {"final_url":"https://www.promptster.dev/mcp","www_authenticate":"Bearer resource_metadata=\"https://www.promptster.dev/.well-known/oauth-protected-resource\"","oauth":{"prm_url":"https://www.promptster.dev/.well-known/oauth-protected-resource","resource":"https://www.promptster.dev/mcp","authorization_servers":["https://www.promptster.dev"],"scopes_supported":null},"vantage":"us-east-1"} | HTTP 401 | ||
| 2026-09-08 08:08 | auth-required | 20 | 401 | 2043 | detailsmeta {"final_url":"https://www.promptster.dev/mcp","www_authenticate":"Bearer resource_metadata=\"https://www.promptster.dev/.well-known/oauth-protected-resource\"","vantage":"us-east-1"} | |||
| 2026-09-07 07:30 | connect-fail | 1938 | detailsmeta {"vantage":"us-east-1"} | LocalProtocolError: Invalid input ConnectionInputs.SEND_HEADERS in state ConnectionState.CLOSED |