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x402-market

io.github.AsaiShota/mcp-server·v0.2.0-alpha.1·Other

Let AI agents pay-per-call for any HTTP API via x402 on Base mainnet. One tool: pay_and_call.

Trust verdict · v1 advisory · method
NOT YET SCREENEDno verdict on file

Verdict not yet evaluated for this tool. The semantic screen takes adversarial cases first; coverage rolls out as the corpus expands (15/150 labels to graduation). The deterministic conformance probe is built but has not yet run on the public corpus, so a recorded verdict here is REVIEW or UNVERIFIED, never a clearing ALLOW. Until a verdict is recorded, an agent should treat this tool as not-yet-cleared and fall back to its own checks. Method: the eval, four-state verdict, honest limits.

Own this server? Screen its description →

Environment variables
MARKET_API_URL

Marketplace API base URL.

MCP_BUYER_PRIVATE_KEY
secret

Funded buyer wallet private key (0x-prefixed). Required for pay_and_call; read-only tools work without it.

BASE_RPC_URL

Base RPC endpoint. Defaults to Base mainnet public RPC; Alchemy/QuickNode recommended for higher rate limits.

BASE_CHAIN_ID

8453 = Base mainnet (default, matches live listings). 84532 = Base Sepolia testnet.

MCP_MAX_PRICE

Hard cap on per-call cost (USDC). Refuses to pay above this.

MCP quality score · maturity, not trust · methodology
freshness
24
completeness
20
installability
25
documentation
15
stability
5
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