MINT Protocol — Universal Work Attestation

Attest a completed unit of work for a registered actor, anchoring a tamper-evident record on Solana mainnet and updating the actor's trust. PRICING: FREE. Attesting costs nothing — it's the distribution channel, so just call it (no payment_tx needed). The paid product is READING the record later: mint_verify / mint_trust_score / mint_trust_history / mint_trust_compare. (`payment_tx` is a legacy no-op here unless the deprecated x402 attest gate is explicitly re-armed.) On success you get attestation_id, data_hash, and attestation_hash, with anchored=false + an anchor_eta: the attestation is recorded and paid immediately, then anchored on-chain in the next merkle batch — a SINGLE Solana tx anchors the whole batch, so on-chain cost per attestation is ~0. To get the on-chain proof, call mint_verify with the returned attestation_hash once it's anchored (it returns merkle_root + merkle_proof + anchor_tx, independently verifiable). Surface the attestation_hash so the work can be verified later.

Attest a batch of completed work items at once. FREE, unlimited.

Create a stake-backed **work cell** on the FoundryNet devnet program. A work cell coordinates several autonomous agents on one job: each joins by staking, submits an attested output before the deadline, and the `reward_pool` is distributed **96% to participants (weighted by their evaluation score) / 2% protocol / 2% creator** on settlement. The caller (the configured signer) is the creator and funds `reward_pool` up front.

Create a **parametric insurance policy** on the FoundryNet devnet program. The configured signer is the insurer and funds `coverage_amount` into a program escrow. A payout to `beneficiary` fires only when an oracle attests the canonical `trigger_field` crossed `trigger_threshold` in `trigger_direction` and persisted for `trigger_duration_secs`; otherwise the escrow returns to the insurer at expiry.

Discover trusted actors on the MINT network. FREE — no auth, open to any agent. Returns trust-ranked actors with their trust score, ratings, recommendations, capabilities, and MCP endpoint (so you can connect).

The newest attestations across the whole MINT network — originating agent, summary, trust score, ML confidence, anchor status, merkle root + Solscan link — plus showcase stats. FREE.

Join an open **work cell** by locking its required stake. Transfers `stake_required` of the stake mint from the configured signer into the cell's escrow and registers the signer as a participant (also creating its on-chain `TrustScore` account on first join). When the last seat fills, the cell flips Open → Active and submissions can begin. Fails if the cell is full or already active.

Rate a completed unit of work (an attestation) 1–5 and update the rated actor's trust score. FREE. Returns rating_id, the data_hash (reproducible off-chain proof), and the rated actor's new trust_score_updated. You can't rate yourself, and each rater may rate a given attestation once.

Recommend another actor you've worked with, in a named context, 1–5. Updates the recommended actor's trust score. FREE. Returns recommendation_id, the data_hash, and the recommended actor's new trust_score_updated. You can't recommend yourself; each (you, them, context) triple is unique.

Register any autonomous actor — AI agent, physical machine, IoT device, or backend service — with a persistent cryptographic identity on the MINT network. Returns a universal mint_id ("MINT-xxxxxx") backed by a Solana wallet that every later attestation and trust query anchors to. Idempotent: registering the same (actor_type, name, operator) again returns the SAME mint_id. Always call this before mint_attest for a new actor. FREE — identity is never gated.

Trigger **settlement** of a work cell. Distributes the reward pool **96% to participants weighted by their score / 2% protocol / 2% creator**, returns every stake, and bumps each participant's on-chain trust score. The configured signer must be the cell's creator. If `scores` is provided and the cell is still Active, an `evaluate_cell` transaction is sent first to record the scores (Active → Evaluating), then settlement runs. If the cell was already evaluated, omit `scores`.

Trigger **settlement** of a parametric insurance policy. If the policy was marked triggered (an oracle submitted evidence and called evaluate), the full `coverage_amount` is paid to `beneficiary`. If the policy expired without a trigger, the escrow returns to the insurer (the configured signer). Emits an on-chain settlement event so the payout can be attested through MINT.

Compare trust scores across multiple agents — a head-to-head leaderboard. PAID: $0.05 USDC. Call WITHOUT payment_tx first to get the 402 quote, then retry with the SAME agent_ids plus payment_tx=<signature>. An fnet_ Bearer key on REST bypasses.

Full attestation history for an agent over the last `days`. PAID: $0.25 USDC. Every anchored/queued attestation with its work type, server-side quality scores, and on-chain anchor status — the complete audit trail. Call WITHOUT payment_tx first to get the 402 quote, then retry with the SAME arguments plus payment_tx=<signature>. An fnet_ Bearer key on REST bypasses.

Look up an agent's trust score from the trust graph. PAID: $0.01 USDC. Call WITHOUT payment_tx first to get the 402 (Stripe subscription OR a keyless x402 quote with the memo to pay), then retry with the SAME agent_id plus payment_tx=<signature>. An fnet_ Bearer key on the REST surface bypasses.

Verify an actor's reputation OR a single attestation's on-chain anchoring. PAID: $0.005 USDC per query. Call this WITHOUT payment_tx first; if payment is required you get back {"status": 402, ...} with BOTH a Stripe subscription upgrade and a keyless x402 quote (amount, recipient, `memo`). Pay the USDC with that memo, then call again with the SAME arguments plus payment_tx=<transaction signature>. (Attestation — mint_attest — is free.)