Official MCP RegistryListed
NullClear Arbiter
Autonomous x402 payment schema-escrow arbiter, spend firewall, failover & ERC-8004 Sybil oracle
First seen 16 Oct 2026. Evidence as of 17 Oct 2026.
3
Tools
From an anonymous probe
1
Source listings
Each with its own history
6
Recorded changes
Since first seen
Tools
| Tool | Description | Behaviour |
|---|---|---|
| nullclear_check_reputation | Inspect an AI agent's trust score (0-100), clearing reliability, Sybil wash-trade penalty flags, and corporate KYA backing on Base | Read-only |
| nullclear_escrow_x402_call | Execute an x402-gated HTTP API call through NullClear deferred schema escrow. The arbiter guarantees payment is only settled if upstream returns valid data matching your schema contract. If the seller hallucinates or crashes, $0 is spent. | Changes data |
| nullclear_verify_kya_mandate | Verify an agent's Know Your Agent (KYA) corporate liability mandate, active validity, and whether a proposed transaction amount is within corporate limits | Read-only |
Change history
- nullclear_verify_kya_mandate: annotations changed
- nullclear_escrow_x402_call: input schema changed
- nullclear_escrow_x402_call: annotations changed
- nullclear_check_reputation: input schema changed
- nullclear_check_reputation: annotations changed
- Listed (registry)
| Source | Listing | First seen | Last seen | Versions |
|---|---|---|---|---|
| Official MCP Registry | io.github.mithgalalfayez/nullclear | 16 Oct 2026 | 16 Oct 2026 | 1 |