Check Exa, BlockRun, OneSource, Apify and other x402 dependencies before invoking or paying.
Free
2 servers across ai & agents. The largest is AgentObserver - Check x402 Dependencies Before Paying.
AI & Agents
2
servers published
1 category
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2 MCP servers. 2 of 2 are free to start.
MCP deployment checks: required tools, schema drift and verifiable receipts. Free preflight.
Free
Authentication
0 of 2 use OAuth
The rest either hold an API key issued by the publisher or ask for nothing.
Support
Community publisher
Listed without a verification tick. Read the listing before installing.