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JPYC Commerce MCP

Enables autonomous AI agents to conduct non-custodial commerce using JPYC stablecoin on Polygon, with trust scoring, task evaluation, negotiation, and on-chain verification via Soulbound Tokens.

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// key findings
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
🔐
You'll be asked for 6 credentials: ANTHROPIC_API_KEY, DEPLOYER_PRIVATE_KEY, POLYGONSCAN_API_KEY, PRIVATE_KEY, RELAYER_API_KEY, RELAYER_PRIVATE_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies1 medium

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

medium@anthropic-ai/sdk@0.82.0GHSA-p7fg-763f-g4gf

Claude SDK for TypeScript has Insecure Default File Permissions in Local Filesystem Memory Tool

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
configAMOY_RPC_URL"": "https://rpc-amoy.polygon.technology",
🔐 secretANTHROPIC_API_KEYsk-ant-... # Claude API (for task evaluation)
configAUTO_APPROVE_LIMIT_BRONZE
configAUTO_APPROVE_LIMIT_GOLD
configAUTO_APPROVE_LIMIT_PLATINUM
configAUTO_APPROVE_LIMIT_SILVER
configBOUNTY_ADMIN_ADDRESS
configBOUNTY_ESCROW_ADDRESS
configBOUNTY_EXPIRY_DAYS
configCHAIN_ID80002 # 80002=Amoy, 137=Mainnet
configDATABASE_URLpostgres://user:password@host/dbname?sslmode=require # Neon connection string
🔐 secretDEPLOYER_PRIVATE_KEY
configESCROW_WALLET_ADDRESS
configGAS_MAX_FEE_PER_GAS
configGAS_MAX_PRIORITY_FEE_PER_GAS
configHUMAN_APPROVAL_THRESHOLD_JPYC
configINSECURE_TEST_BYPASS_APPROVALSEC-3: =false by default — demo-mode auto-skip removed
configJPYC_ADDRESS
configJPYC_ADDRESS_AMOY
configJPYC_CONTRACT_ADDRESS0x431D5dfF03120AFA4bDf332c61A6e1766eF37BF # JPYC v2 ERC-20
configMAX_FEE_PER_GAS
configMAX_PRIORITY_FEE_PER_GAS
configNEGOTIATION_TTL_HOURS
🔐 secretPOLYGONSCAN_API_KEY
configPOLYGON_RPC_URL
🔐 secretPRIVATE_KEY
🔐 secretRELAYER_API_KEY
🔐 secretRELAYER_PRIVATE_KEY
configRELAYER_PROVIDER
configRELAYER_URL
configSBT_CONTRACT_ADDRESS
configSBT_CONTRACT_ADDRESS_AMOY0x... # TrustSBT on Amoy (after deploy)
configTRUST_SCORE_REGISTRY_ADDRESS
configVITE_ALCHEMY_RPC_URL
// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 5 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/ackey-web-jpyc-commerce-mcp-1sshrc)](https://m8ven.ai/mcp/ackey-web-jpyc-commerce-mcp-1sshrc)
commit: 767e11353ef82236904f3d7afc67931e2f676009
code hash: 3339ad8e00d9d71a7ab8fd1e13027467177be4126c3c4d839e50d6c6b3fe04d2
verified: 6/24/2026, 10:24:57 AM
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