io.github.bret1976/prior
Prior
Spend gate agents call before money moves. Buy with Stripe Checkout. Paid only when Stripe says so.
alive probed 2026-10-05 · HTTP 200
3tools
401tokens in Claude Opus 5.5
422tokens in Claude Code
0.2 %of a 200k context window
201o200k_base estimate
495 msto initialize
143 msto list tools
- Endpoint
- https://prior-mu.vercel.app/mcp (streamable-http)
- Host
- prior-mu.vercel.app
- Protocol
- 2025-06-18
- Reports itself as
- prior 1.0.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/bret1976/prior
- Website
- https://prior-mu.vercel.app
- Registry
- active, updated 2026-10-01 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| decide | 95 | 47 % |
| buy | 65 | 32 % |
| confirm_payment | 41 | 20 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-05 14:35 | alive | 495 ms | 3 | 401 | 201 |
| 2026-10-05 00:32 | alive | 96 ms | 3 | 201 | |
| 2026-10-04 10:04 | alive | 803 ms | 3 | 201 | |
| 2026-10-04 07:57 | alive | 766 ms | 3 | 201 | |
| 2026-10-03 20:37 | alive | 568 ms | 3 | 201 | |
| 2026-10-03 17:53 | alive | 392 ms | 3 | 201 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.bret1976/prior)
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.