dev.x402shield/x402shield
x402Shield
Public demo: evaluate AI-agent payment authorization and approval policy. No signing, no settlement.
alive probed 2026-10-10 · HTTP 200
5tools
1.2ktokens in Claude Opus 5.5
1.2ktokens in Claude Code
0.6 %of a 200k context window
666o200k_base estimate
651 msto initialize
843 msto list tools
- Endpoint
- https://x402shield.dev/api/mcp (streamable-http)
- Host
- x402shield.dev
- Protocol
- 2025-11-25
- Reports itself as
- x402shield-demo 1.0.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-10. Counted again when the tool definitions change. Method.
- Website
- https://x402shield.dev
- Registry
- active, updated 2026-10-09 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| x402shield_authorize_payment | 247 | 37 % |
| x402shield_get_evidence | 116 | 17 % |
| x402shield_list_demo_transactions | 106 | 16 % |
| x402shield_get_authorization | 102 | 15 % |
| x402shield_get_demo_policy | 95 | 14 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.x402shield/x402shield)
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.