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Skill Market

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com.lvlltd/skill-marketv1.5.0 Domain verified

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

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a2a_bridge_info

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

This tool takes no arguments.

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Skill Market MCP server | mcptry

Tools (59)

a2a_bridge_info

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

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {}
}

a2a_discover

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

Argument	Type	Description
force	boolean	ignored; always live fetch

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "force": {
      "type": "boolean",
      "description": "ignored; always live fetch"
    }
  }
}

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.

Argument	Type	Description
text*	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

Input schema (JSON)

{
  "type": "object",
  "required": [
    "text"
  ],
  "properties": {
    "text": {
      "type": "string",
      "description": "User message text"
    },
    "task_id": {
      "type": "string",
      "description": "Continue multi-turn task (same as prior result.id)"
    },
    "skill_id": {
      "type": "string",
      "description": "Optional DataPart skill_id for purchase continuation"
    },
    "context_id": {
      "type": "string"
    }
  }
}

a2a_tasks_cancel

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

Argument	Type	Description
task_id*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "task_id"
  ],
  "properties": {
    "task_id": {
      "type": "string"
    }
  }
}

a2a_tasks_get

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

Argument	Type	Description
task_id*	string
history_length	number

Input schema (JSON)

{
  "type": "object",
  "required": [
    "task_id"
  ],
  "properties": {
    "task_id": {
      "type": "string"
    },
    "history_length": {
      "type": "number"
    }
  }
}

bankr_quote

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

Argument	Type	Description
skill_id*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "skill_id"
  ],
  "properties": {
    "skill_id": {
      "type": "string"
    }
  }
}

bankr_rails

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

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {}
}

check_access

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

Argument	Type	Description
wallet*	string
skill_id*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "wallet",
    "skill_id"
  ],
  "properties": {
    "wallet": {
      "type": "string"
    },
    "skill_id": {
      "type": "string"
    }
  }
}

esp_cycle

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

Argument	Type	Description
skill_id	string	Skill or bundle id (default agent-x402-first-buy)

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "skill_id": {
      "type": "string",
      "description": "Skill or bundle id (default agent-x402-first-buy)"
    }
  }
}

esp_discover

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

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {}
}

esp_evaluate

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

Argument	Type	Description
skill_id*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "skill_id"
  ],
  "properties": {
    "skill_id": {
      "type": "string"
    }
  }
}

event_list

List active event registrations for a topic.

Argument	Type	Description
limit	number
topic	string

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "number"
    },
    "topic": {
      "type": "string"
    }
  }
}

event_register

Argument	Type	Description
topic*	string
ttl_sec	number
handler_hint	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "topic"
  ],
  "properties": {
    "topic": {
      "type": "string"
    },
    "ttl_sec": {
      "type": "number"
    },
    "handler_hint": {
      "type": "string"
    }
  }
}

event_trigger

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

Argument	Type	Description
topic*	string
payload	any

Input schema (JSON)

{
  "type": "object",
  "required": [
    "topic"
  ],
  "properties": {
    "topic": {
      "type": "string"
    },
    "payload": {}
  }
}

get_capability_info

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

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {}
}

get_commerce_signals

Rank skills by confirmed unlock demand. Free.

Argument	Type	Description
sort	string
limit	number
skill_id	string

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "sort": {
      "type": "string"
    },
    "limit": {
      "type": "number"
    },
    "skill_id": {
      "type": "string"
    }
  }
}

get_escrow_meta

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

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {}
}

get_eval_score

Public eval suite pass rate if suite exists. Free.

Argument	Type	Description
skill_id*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "skill_id"
  ],
  "properties": {
    "skill_id": {
      "type": "string"
    }
  }
}

get_fleet

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

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {}
}

get_networks

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

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {}
}

get_pack_meta

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

Argument	Type	Description
skill_id*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "skill_id"
  ],
  "properties": {
    "skill_id": {
      "type": "string"
    }
  }
}

get_payment_challenge

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

Argument	Type	Description
skill_id*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "skill_id"
  ],
  "properties": {
    "skill_id": {
      "type": "string"
    }
  }
}

get_proof

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

Argument	Type	Description
limit	number
skill_id	string

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "number"
    },
    "skill_id": {
      "type": "string"
    }
  }
}

get_ready

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

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {}
}

get_sandbox

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

Argument	Type	Description
skill_id	string

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "skill_id": {
      "type": "string"
    }
  }
}

get_security_scan

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

Argument	Type	Description
skill_id*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "skill_id"
  ],
  "properties": {
    "skill_id": {
      "type": "string"
    }
  }
}

get_skill_details

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

Argument	Type	Description
skill_id*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "skill_id"
  ],
  "properties": {
    "skill_id": {
      "type": "string"
    }
  }
}

install

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

Argument	Type	Description
agents	string
tx_hash*	string
skill_id*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "skill_id",
    "tx_hash"
  ],
  "properties": {
    "agents": {
      "type": "string"
    },
    "tx_hash": {
      "type": "string"
    },
    "skill_id": {
      "type": "string"
    }
  }
}

install_skill_payload

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

Argument	Type	Description
agents	string
tx_hash*	string
skill_id*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "skill_id",
    "tx_hash"
  ],
  "properties": {
    "agents": {
      "type": "string"
    },
    "tx_hash": {
      "type": "string"
    },
    "skill_id": {
      "type": "string"
    }
  }
}

intent_search

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

Argument	Type	Description
q*	string
limit	number

Input schema (JSON)

{
  "type": "object",
  "required": [
    "q"
  ],
  "properties": {
    "q": {
      "type": "string"
    },
    "limit": {
      "type": "number"
    }
  }
}

list_all_skills

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

Argument	Type	Description
limit	number	default 50, max 200
offset	number	default 0
category	string

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "number",
      "description": "default 50, max 200"
    },
    "offset": {
      "type": "number",
      "description": "default 0"
    },
    "category": {
      "type": "string"
    }
  }
}

list_judges

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

Argument	Type	Description
limit	number
skill_id	string

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "number"
    },
    "skill_id": {
      "type": "string"
    }
  }
}

list_recurring_plans

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

Argument	Type	Description
wallet	string	Optional — include this wallet's subs + meter

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "wallet": {
      "type": "string",
      "description": "Optional — include this wallet's subs + meter"
    }
  }
}

long_running_cancel

Cancel a long-running task by task_id.

Argument	Type	Description
task_id*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "task_id"
  ],
  "properties": {
    "task_id": {
      "type": "string"
    }
  }
}

long_running_start

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

Argument	Type	Description
goal*	string
actor	string
ttl_sec	number
skill_id	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "goal"
  ],
  "properties": {
    "goal": {
      "type": "string"
    },
    "actor": {
      "type": "string"
    },
    "ttl_sec": {
      "type": "number"
    },
    "skill_id": {
      "type": "string"
    }
  }
}

long_running_status

Get status of a long-running task by task_id.

Argument	Type	Description
task_id*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "task_id"
  ],
  "properties": {
    "task_id": {
      "type": "string"
    }
  }
}

lookup_agent_identity

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

Argument	Type	Description
address*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "address"
  ],
  "properties": {
    "address": {
      "type": "string"
    }
  }
}

memory_forget

Delete a key from agent KV memory.

Argument	Type	Description
key*	string
namespace	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "key"
  ],
  "properties": {
    "key": {
      "type": "string"
    },
    "namespace": {
      "type": "string"
    }
  }
}

memory_list

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

Argument	Type	Description
limit	number
namespace	string

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "number"
    },
    "namespace": {
      "type": "string"
    }
  }
}

memory_recall

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

Argument	Type	Description
key*	string
namespace	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "key"
  ],
  "properties": {
    "key": {
      "type": "string"
    },
    "namespace": {
      "type": "string"
    }
  }
}

memory_remember

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

Argument	Type	Description
key*	string
value	any
ttl_sec	number
namespace	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "key"
  ],
  "properties": {
    "key": {
      "type": "string"
    },
    "value": {},
    "ttl_sec": {
      "type": "number"
    },
    "namespace": {
      "type": "string"
    }
  }
}

meter_budget

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

Argument	Type	Description
action	string	status \| set_cap \| quote (default status)
wallet*	string
skill_id	string
spend_cap_usd	number

Input schema (JSON)

{
  "type": "object",
  "required": [
    "wallet"
  ],
  "properties": {
    "action": {
      "type": "string",
      "description": "status | set_cap | quote (default status)"
    },
    "wallet": {
      "type": "string"
    },
    "skill_id": {
      "type": "string"
    },
    "spend_cap_usd": {
      "type": "number"
    }
  }
}

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.

Argument	Type	Description
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)

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "op": {
      "type": "string",
      "description": "Optional operator label for the call"
    },
    "tx_hash": {
      "type": "string",
      "description": "Base USDC txHash after 402 settle"
    },
    "skill_id": {
      "type": "string",
      "description": "Catalog skill to bill (default agent-x402-first-buy, $0.005 exact / 5000 atomic)"
    }
  }
}

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.

Argument	Type	Description
tags	array
title	string
poster	string
bounty_usd	number
description	string
success_criteria*	array

Input schema (JSON)

{
  "type": "object",
  "required": [
    "success_criteria"
  ],
  "properties": {
    "tags": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "title": {
      "type": "string"
    },
    "poster": {
      "type": "string"
    },
    "bounty_usd": {
      "type": "number"
    },
    "description": {
      "type": "string"
    },
    "success_criteria": {
      "type": "array",
      "items": {
        "type": "string"
      }
    }
  }
}

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).

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

Input schema (JSON)

{
  "type": "object",
  "required": [
    "skill_id"
  ],
  "properties": {
    "from": {
      "type": "string",
      "description": "Buyer wallet 0x… — fills EIP-3009 authorization.from on unsigned next-action"
    },
    "tx_hash": {
      "type": "string"
    },
    "skill_id": {
      "type": "string"
    },
    "ap2_mandate": {
      "type": "string",
      "description": "Optional AP2 mandate JSON for authorized spend"
    },
    "payment_signature": {
      "type": "string",
      "description": "Optional signed PAYMENT-SIGNATURE JSON after eth_signTypedData_v4"
    }
  }
}

quote_price

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

Argument	Type	Description
skill_id*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "skill_id"
  ],
  "properties": {
    "skill_id": {
      "type": "string"
    }
  }
}

quote_skill

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

Argument	Type	Description
skill_id*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "skill_id"
  ],
  "properties": {
    "skill_id": {
      "type": "string"
    }
  }
}

receipt_mint

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

Argument	Type	Description
inputs	object
verdict*	string	allow \| refuse \| challenge
actor_id	string
reason_code*	string
decision_point*	string
policy_version	string
reason_message	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "decision_point",
    "verdict",
    "reason_code"
  ],
  "properties": {
    "inputs": {
      "type": "object"
    },
    "verdict": {
      "type": "string",
      "description": "allow | refuse | challenge"
    },
    "actor_id": {
      "type": "string"
    },
    "reason_code": {
      "type": "string"
    },
    "decision_point": {
      "type": "string"
    },
    "policy_version": {
      "type": "string"
    },
    "reason_message": {
      "type": "string"
    }
  }
}

receipt_verify

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

Argument	Type	Description
receipt*	object	Full decision_receipt object

Input schema (JSON)

{
  "type": "object",
  "required": [
    "receipt"
  ],
  "properties": {
    "receipt": {
      "type": "object",
      "description": "Full decision_receipt object"
    }
  }
}

sco_canary

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

Argument	Type	Description
query	object
oracle_id*	string
providers	array	e.g. lvl-foundation-a, lvl-foundation-b

Input schema (JSON)

{
  "type": "object",
  "required": [
    "oracle_id"
  ],
  "properties": {
    "query": {
      "type": "object"
    },
    "oracle_id": {
      "type": "string"
    },
    "providers": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "e.g. lvl-foundation-a, lvl-foundation-b"
    }
  }
}

sco_challenge

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

Argument	Type	Description
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

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "action": {
      "type": "string",
      "description": "file (default) | resolve"
    },
    "reason": {
      "type": "string"
    },
    "outcome": {
      "type": "string",
      "description": "upheld | rejected | expired (resolve only)"
    },
    "stake_usd": {
      "type": "number"
    },
    "target_cid": {
      "type": "string"
    },
    "challenge_cid": {
      "type": "string"
    },
    "challenger_id": {
      "type": "string"
    },
    "counter_proof": {
      "type": "object"
    }
  }
}

sco_consensus

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

Argument	Type	Description
input_cids*	array	Sealed pack cids from sco_canary

Input schema (JSON)

{
  "type": "object",
  "required": [
    "input_cids"
  ],
  "properties": {
    "input_cids": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Sealed pack cids from sco_canary"
    }
  }
}

sco_discover

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

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {}
}

sco_eval

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

Argument	Type	Description
oracle_id*	string	oracle-price \| oracle-on-chain \| oracle-time \| oracle-proof-ledger \| oracle-critic-consensus \| oracle-location \| oracle-vehicle

Input schema (JSON)

{
  "type": "object",
  "required": [
    "oracle_id"
  ],
  "properties": {
    "oracle_id": {
      "type": "string",
      "description": "oracle-price | oracle-on-chain | oracle-time | oracle-proof-ledger | oracle-critic-consensus | oracle-location | oracle-vehicle"
    }
  }
}

sco_reputation

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

Argument	Type	Description
oracle_id*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "oracle_id"
  ],
  "properties": {
    "oracle_id": {
      "type": "string"
    }
  }
}

search_skills

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

Argument	Type	Description
q	string
tag	string
limit	number
category	string
max_price_usd	number

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "q": {
      "type": "string"
    },
    "tag": {
      "type": "string"
    },
    "limit": {
      "type": "number"
    },
    "category": {
      "type": "string"
    },
    "max_price_usd": {
      "type": "number"
    }
  }
}

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.

Argument	Type	Description
action	string	start \| renew \| cancel (default start)
wallet*	string
plan_id*	string
tx_hash	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "plan_id",
    "wallet"
  ],
  "properties": {
    "action": {
      "type": "string",
      "description": "start | renew | cancel (default start)"
    },
    "wallet": {
      "type": "string"
    },
    "plan_id": {
      "type": "string"
    },
    "tx_hash": {
      "type": "string"
    }
  }
}

verify_skill

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

Argument	Type	Description
tx_hash	string
skill_id	string

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "tx_hash": {
      "type": "string"
    },
    "skill_id": {
      "type": "string"
    }
  }
}

verify_unlock

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

Argument	Type	Description
tx_hash	string
skill_id	string

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "tx_hash": {
      "type": "string"
    },
    "skill_id": {
      "type": "string"
    }
  }
}