feat(ecosystem): add Mycelium Trails — post-execution accountability layer#2225
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giskard09 wants to merge 1 commit into
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feat(ecosystem): add Mycelium Trails — post-execution accountability layer#2225giskard09 wants to merge 1 commit into
giskard09 wants to merge 1 commit into
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…layer Post-execution trail records anchored on Arbitrum One + Base mainnet. payment_hash as cross-surface key linking x402 payment authorization to on-chain execution proof. Public verify endpoint, no API key. Composability pattern (discussed in x402-foundation#2198): x402 payment authorization → AgentKit execution → Mycelium Trails post-action record Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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What this adds
Mycelium Trails as a post-execution accountability layer in the x402 ecosystem directory.
What it does
After any x402-authorized action executes, the agent writes a signed TrailRecord anchored on Arbitrum One and Base mainnet.
payment_hashis the cross-surface key — the same field x402 uses for payment authorization becomes the anchor linking the payment record to the on-chain execution proof.Public verify endpoint (no API key):
Returns
anchors.arbitrumandanchors.basewith real block numbers and tx_hashes.Composability pattern
Discussed with @chox-cell in #2198:
Each layer answers a different question. x402: is the payment authorized? Mycelium: what happened after execution, and can it be verified independently?
Live example
Three TrailRecords from the permit-revocation-reissue pattern, dual-chain anchored:
Disclaimer
Community-built. No partnership claim. No official integration claim. No Stripe or x402-foundation endorsement. Composability pattern only.