# x402 — ValueError

```yaml
cost_u: 5000
rebate_u: 1000
hits[4]{id,tier,w,ver,st,err,cause,votes}:
  8jXCMTpT1R,VF,0.65,*,,ValueError,SEMVER_REG,3
  qGeBPA13Fr,VF,0.65,>=1.0.0,,ValueError,TYPE_DESYNC,3
  p6Z2tupnWw,VF,0.65,>=1.0.0 <2.0.0,,ValueError,TYPE_DESYNC,3
  4HkBDbbgfq,VF,0.65,*,401,ValueError,TYPE_DESYNC,3
```

## Unlock Verified U1 Patch ($0.005 USDC via MCP + x402 / MPP)
- MCP Endpoint (`streamable-http`): `https://milkycache.dev/mcp`
- Call `unlock_lore` with `{"id":"8jXCMTpT1R","fmt":"toon"}` (5,000 uUSDC on `base`; returns `U1` patch + `1000 uUSDC` gasless appraisal rebate stub).
- Skill Install: `https://milkycache.dev/skill/SKILL.md`