Recomputes, per supplied fill, price improvement in basis points against the NBBO at execution time, and whether each fill cleared at-or-better than the NBBO. Aggregates the at-or-better rate and average price improvement over a bounded fill set (capped at 5,000 fills). The receipt attests our computation over the fills supplied, not an audit of those fills or a determination of regulatory compliance.
Copy this paragraph into Claude, OpenClaw, or any MCP-aware agent to run this exact tool, with this sample, and verify the artifact.
Run the AINumbers MCP tool `recompute_best_execution`. Task: Recompute price improvement vs.
Call it with arguments: {"policy_parameters":{"fills":[{"side":"buy","execution_price":10.02,"nbbo_bid":10,"nbbo_ask":10.05,"quantity":100},{"side":"sell","execution_price":10.03,"nbbo_bid":10,"nbbo_ask":10.05,"quantity":200}]}}
Verify before trusting: call `verify_execution_hash` on mcp.ainumbers.co (https://mcp.ainumbers.co/mcp) with the parameter `claimed_hash` set to the returned `execution_hash`, passing the full artifact the run returned (the object containing `policy_parameters` + `output_payload` + `execution_hash`; equivalently `policy_parameters` + `output_payload` with `claimed_hash`), not the bare hash string.
Return the ledger link https://ledger.ainumbers.co/ so a human can re-verify without contacting us.
PII rule: All inputs are processed locally in your browser. No data is transmitted. Do not enter real personal data — use synthetic or anonymised inputs only.
Open the tool with the sample prefilled: https://ainumbers.co/chaingraph/art-541-best-execution-recompute.html#p=v1.H4sIAAAAAAAA_wG2AEn_eyJmaWxscyI6W3sic2lkZSI6ImJ1eSIsImV4ZWN1dGlvbl9wcmljZSI6MTAuMDIsIm5iYm9fYmlkIjoxMCwibmJib19hc2siOjEwLjA1LCJxdWFudGl0eSI6MTAwfSx7InNpZGUiOiJzZWxsIiwiZXhlY3V0aW9uX3ByaWNlIjoxMC4wMywibmJib19iaWQiOjEwLCJuYmJvX2FzayI6MTAuMDUsInF1YW50aXR5IjoyMDB9XX06t2ydtgAAAA