mcpcost

io.github.promptster-dev/promptster

Promptster

Test and compare prompts across any AI provider. Bring your own keys.

needs auth probed 2026-10-05 · HTTP 401 · Bearer

Streamable HTTP error: Error POSTing to endpoint: {"jsonrpc":"2.0","error":{"code":-32001,"message":"Authentication required"},"id":null}
Endpoint
https://www.promptster.dev/mcp (streamable-http)
Host
www.promptster.dev
Repository
https://github.com/promptsterhq/promptster
Website
https://www.promptster.dev
Registry
active, updated 2026-03-20 · registry entry
Reachable
5 of the last 5 probes

History

We add a row when the result changes. A server with no change keeps its last row.

ProbedResultInitToolsClaudeo200k
2026-10-05 00:45needs auth
2026-10-04 10:06needs auth
2026-10-04 08:00needs auth
2026-10-03 20:39needs auth
2026-10-03 17:54needs auth

Badge and feed

mcpcost: needs auth

[![mcpcost](https://mcpcost.ulehla.dev/badge/io.github.promptster-dev/promptster.svg)](https://mcpcost.ulehla.dev/s/io.github.promptster-dev/promptster)

An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.