com.lvlltd/skill-market

Measured conclusion: Alive, not deep-tested. L2 outcome: not_attempted.

x402 skill catalog on lvlltd.com — search, quote, pay with Base USDC, unlock sealed packs.

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "skill-market": {
      "url": "https://lvlltd.com/api/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (59)

• search_skills

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

  Parameters:

  • q — string
  • tag — string
  • limit — number
  • category — string
  • max_price_usd — number

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_skill_details

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

  Parameters:

  • skill_id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_payment_challenge

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

  Parameters:

  • skill_id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• quote_price

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

  Parameters:

  • skill_id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• list_all_skills

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

  Parameters:

  • limit — number — default 50, max 200
  • offset — number — default 0
  • category — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• purchase_skill

  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).

  Parameters:

  • skill_id (required) — string
  • from — string — Buyer wallet 0x… — fills EIP-3009 authorization.from on unsigned next-action
  • tx_hash — string
  • ap2_mandate — string — Optional AP2 mandate JSON for authorized spend
  • payment_signature — string — Optional signed PAYMENT-SIGNATURE JSON after eth_signTypedData_v4

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• verify_skill

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

  Parameters:

  • tx_hash — string
  • skill_id — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• install

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

  Parameters:

  • skill_id (required) — string
  • tx_hash (required) — string
  • agents — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_commerce_signals

  Rank skills by confirmed unlock demand. Free.

  Parameters:

  • sort — string
  • limit — number
  • skill_id — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• lookup_agent_identity

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

  Parameters:

  • address (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• quote_skill

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

  Parameters:

  • skill_id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• verify_unlock

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

  Parameters:

  • tx_hash — string
  • skill_id — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_security_scan

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

  Parameters:

  • skill_id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_eval_score

  Public eval suite pass rate if suite exists. Free.

  Parameters:

  • skill_id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• install_skill_payload

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

  Parameters:

  • skill_id (required) — string
  • tx_hash (required) — string
  • agents — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• intent_search

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

  Parameters:

  • q (required) — string
  • limit — number

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• list_recurring_plans

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

  Parameters:

  • wallet — string — Optional — include this wallet's subs + meter

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• check_access

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

  Parameters:

  • wallet (required) — string
  • skill_id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• subscribe_plan

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

  Parameters:

  • plan_id (required) — string
  • wallet (required) — string
  • action — string — start | renew | cancel (default start)
  • tx_hash — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• a2a_discover

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

  Parameters:

  • force — boolean — ignored; always live fetch

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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.

  Parameters:

  • text (required) — string — User message text
  • task_id — string — Continue multi-turn task (same as prior result.id)
  • skill_id — string — Optional DataPart skill_id for purchase continuation
  • context_id — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• a2a_tasks_get

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

  Parameters:

  • task_id (required) — string
  • history_length — number

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• a2a_tasks_cancel

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

  Parameters:

  • task_id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• a2a_bridge_info

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

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• meter_budget

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

  Parameters:

  • wallet (required) — string
  • action — string — status | set_cap | quote (default status)
  • skill_id — string
  • spend_cap_usd — number

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• esp_discover

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

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• esp_cycle

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

  Parameters:

  • skill_id — string — Skill or bundle id (default agent-x402-first-buy)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• esp_evaluate

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

  Parameters:

  • skill_id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• sco_discover

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

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• sco_eval

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

  Parameters:

  • oracle_id (required) — string — oracle-price | oracle-on-chain | oracle-time | oracle-proof-ledger | oracle-critic-consensus | oracle-location | oracle-vehicle

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• sco_canary

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

  Parameters:

  • oracle_id (required) — string
  • query — object
  • providers — array — e.g. lvl-foundation-a, lvl-foundation-b

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• sco_consensus

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

  Parameters:

  • input_cids (required) — array — Sealed pack cids from sco_canary

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• sco_challenge

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

  Parameters:

  • action — string — file (default) | resolve
  • reason — string
  • outcome — string — upheld | rejected | expired (resolve only)
  • stake_usd — number
  • target_cid — string
  • challenge_cid — string
  • challenger_id — string
  • counter_proof — object

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• sco_reputation

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

  Parameters:

  • oracle_id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• list_judges

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

  Parameters:

  • limit — number
  • skill_id — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• post_intent

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

  Parameters:

  • success_criteria (required) — array
  • tags — array
  • title — string
  • poster — string
  • bounty_usd — number
  • description — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_ready

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

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_proof

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

  Parameters:

  • limit — number
  • skill_id — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_fleet

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

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_sandbox

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

  Parameters:

  • skill_id — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_networks

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

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_escrow_meta

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

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_capability_info

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

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_pack_meta

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

  Parameters:

  • skill_id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• paid_api_call

  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.

  Parameters:

  • op — string — Optional operator label for the call
  • tx_hash — string — Base USDC txHash after 402 settle
  • skill_id — string — Catalog skill to bill (default agent-x402-first-buy, $0.005 exact / 5000 atomic)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• receipt_verify

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

  Parameters:

  • receipt (required) — object — Full decision_receipt object

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• receipt_mint

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

  Parameters:

  • decision_point (required) — string
  • verdict (required) — string — allow | refuse | challenge
  • reason_code (required) — string
  • inputs — object
  • actor_id — string
  • policy_version — string
  • reason_message — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• memory_remember

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

  Parameters:

  • key (required) — string
  • value
  • ttl_sec — number
  • namespace — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• memory_recall

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

  Parameters:

  • key (required) — string
  • namespace — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• memory_list

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

  Parameters:

  • limit — number
  • namespace — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• memory_forget

  Delete a key from agent KV memory.

  Parameters:

  • key (required) — string
  • namespace — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• long_running_start

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

  Parameters:

  • goal (required) — string
  • actor — string
  • ttl_sec — number
  • skill_id — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• long_running_status

  Get status of a long-running task by task_id.

  Parameters:

  • task_id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• long_running_cancel

  Cancel a long-running task by task_id.

  Parameters:

  • task_id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• event_register

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

  Parameters:

  • topic (required) — string
  • ttl_sec — number
  • handler_hint — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• event_list

  List active event registrations for a topic.

  Parameters:

  • limit — number
  • topic — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• event_trigger

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

  Parameters:

  • topic (required) — string
  • payload

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• bankr_rails

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

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• bankr_quote

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

  Parameters:

  • skill_id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

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