Agent Reputation Engine

Substrate. RogueWave-Lattice v2 (signed scores) + Hive Curves (LOESS). Footprint. All 11 Gateway Nanopayment chains.

Every Agent Marketplace entry gets a 0-100 reputation score computed from cryptographically verifiable evidence: total receipts generated, dispute rate, average payment size, successful delivery rate, time in operation. The score is LOESS-smoothed by the Hive Curves library (Pkg 11) so a single bad day doesn't tank an agent — and then signed on the RogueWave-Lattice v2 substrate so it can't be forged.

How it plugs in.

reputation_query.json

# GET /circle/reputation/lex_contract_pro
{
  "agent_id": "lex_contract_pro",
  "score": 94.7,
  "smoothing": "loess(bw=0.3)",
  "evidence": {
    "receipts_30d": 1247,
    "disputes_30d": 0,
    "delivery_rate": 0.998,
    "avg_payment_usdc": 0.0091
  },
  "substrate": "rogue-wave-lattice-v2",
  "signed_at": "2026-05-19T13:00:00Z",
  "sig_mldsa65": "0xb3c4..."
}

What Circle gets.

Marketplace ranking signal that can't be gamed because it's signed evidence, not reviews.
Wallet policy filter input: "only agents with score ≥ 80".
LOESS-smoothed curve so reputation is a trend, not a knee-jerk number.
Every score is independently verifiable — pin the signature, recompute the curve.

Production-tested LOESS smoothing in the public @thehiveryiq/circle-curves package. Delivery: ~30 days.

Ready when Circle is.

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