com.lvlltd/skill-market

A2A↔MCP bridge topology for LVL: when to use A2A vs MCP vs x402. Free.

A2A bridge: fetch the marketplace Agent Card (/.well-known/agent-card.json). Free. Use before a2a_message_send.

A2A bridge: send message/send to the LVL A2A agent. Supports multi-turn via task_id+context_id. Does not settle payment — use purchase_skill / x402 for money.

A2A bridge: tasks/cancel — cancel an in-flight multi-turn task.

A2A bridge: tasks/get — poll stored multi-turn task by id.

Bankr unlock URL + LVL 402 challenge URL for a skill_id. Does not pay or unlock. Free.

Bankr x402 Cloud rail for LVL skills (catalog/unlock/canary URLs + payTo). Does not unlock. Canonical settlement remains /api/pay. Free.

Resolve skill access: one_time_unlock (perpetual) > catalog_sub > bundle_renew > meter. Never confuses live access with sealed ownership.

Full ESP cycle for a skill: free evaluate endpoints, atomic settle challenge, public prove stats (ledger-only quality). Free to call.

ESP protocol root (Evaluate → Settle → Prove). Free. Philosophy + endpoints + canary. Prefer before settling any skill.

ESP Evaluate phase only — free outline/sample/canary links. Never requires payment. Settle only after this.

List active event registrations for a topic.

Register interest in a topic (stub event bus). Returns event_id.

Trigger an event on a topic with optional payload (records + surfaces registrations).

Short-lived capability token discovery (P1). Not an API key for purchase.

Rank skills by confirmed unlock demand. Free.

Open-market multi-party escrow (NOT skill payTo). LVLEscrow held-fund contract metadata.

Public eval suite pass rate if suite exists. Free.

Fleet map: skills, open-market, music, swarm, studio bridges. Free.

Multi-chain + multi-asset + gas rails. Base live; other chains planned. Sponsored canary honesty.

Public sealed pack metadata + sealed_pack_hash (no paywall contents).

Live x402 402 challenge for a skill. Does not unlock. Pay then purchase_skill.

Public on-chain unlock ledger (rows are self-funded test transactions, not customer purchases). Never invents volume. Optional skill_id filter.

Truthful readiness probe (/api/ready). ready:true only when payment+catalog rails work.

Sandbox/execution patterns for purchased packs. Optional skill_id for per-skill resources + packaging maturity.

Published security scan for a skill (real findings or clean-with-honesty). Free.

Public skill details + outline/sample/challenge links. Free.

Alias of install_skill_payload — after purchase write sealed files + SKILL.md paths. Requires tx_hash.

After purchase: sealed files + SKILL.md install paths. Requires tx_hash (routes through /api/pay).

Natural-language goal → ranked skills/stacks (semantic TF-IDF). Free.

Paginated full catalog listing (all public skills from catalog.json — not a subset). Free.

Recursive evaluator market — judge/verifier/critic ESP skills. Quality from public proof ledger only. Free.

List catalog live / update / bundle-renew / metered plans. One-time unlocks remain separate and perpetual. Free.

Cancel a long-running task by task_id.

Start a long-running / background task (KV queue stub). Returns task_id for status/cancel.

Get status of a long-running task by task_id.

ERC-8004 / local identity lookup for a wallet. Additive — not required to buy.

Delete a key from agent KV memory.

List keys in a memory namespace (prefix list when KV supports it).

Recall a value from agent KV memory by key (+ optional namespace).

Store a key/value in agent KV memory (namespace optional, TTL default 24h).

Get or set spend cap; or quote metered per-call x402 for a skill. Caps prevent runaway agent spend.

Metered x402 API call (nothing over $5). Without tx_hash: 402 quote. With tx_hash: records the paid call. Discovery tools stay free. New billable APIs must go through this tool.

Post a root problem/intent with success_criteria and optional bounty_usd (P1). Free to post. Settlement still x402; success only via /api/proof.

Without tx_hash: 402 + unsigned wallet_next_action (EIP-3009 PAYMENT-SIGNATURE template; no keys). With tx_hash or payment_signature: POST unlock via /api/pay (no payment bypass).

Alias of get_payment_challenge — live x402 quote (amount, payTo, asset). Free. Full catalog.

Alias of quote_price / get_payment_challenge — live x402 quote. Free.

Mint a DecisionReceipt for an agent-side decision (same schema as access/pay). Free.

Verify a lvl-decision-receipt-v1 integrity hash. Returns match + recomputed hash. Free.

Parallel multi-provider canary: seal challengeable packs from independent oracle providers.

File or resolve an economic challenge against a sealed SCO pack. Reputation updates from ledger only.

Critic/consensus oracle: aggregate sealed pack cids into a higher-confidence sealed consensus pack.

SCO protocol root (Sealed Consensus Oracles). Free. Philosophy, foundation oracles, agent sequence. Prefer before oracle settlement.

SCO free evaluation for an oracle: outline, free samples, ledger-only reputation. Never requires payment.

Ledger-derived oracle reputation only (accuracy, freshness, challenge_survival, selection_rate, economic_weight). Null when no evidence.

Search lvlltd.com x402 skill catalog. Free. Returns price + free_eval URLs.

Without tx_hash: 402 challenge for a plan. With tx_hash: start/renew. Cancel: action=cancel (one step). Never revokes one-time unlocks.

Alias of verify_unlock — check public /api/proof ledger for confirmed unlocks (never invents volume).

Check public /api/proof ledger for confirmed unlocks (never invents volume).