Pay-per-request GPT chat, embeddings, agents and prepaid keys with local x402 USDC signing
Mapleai-mcp is an MCP integration. Pay-per-request GPT chat, embeddings, agents and prepaid keys with local x402 USDC signing.
The published npm package is mapleai-mcp, version 0.3.1. Its declared MCP transport is stdio.
The package declares EVM_PRIVATE_KEY: 0x-prefixed wallet key for paid calls on Base, Polygon and Arc (x402 signing happens locally; the key never leaves this process); SVM_PRIVATE_KEY: Solana wallet key (base58 or JSON byte array) for paid calls on Solana; MCP_PAY_TO_BASE: Verified API recipient on Base: 0x63db6eaf635a31bbc6714fe37bdc85243864f611 (check https://base.mapleai.shop/.well-known/x402); MCP_PAY_TO_POLYGON: Verified API recipient on Polygon: 0x63db6eaf635a31bbc6714fe37bdc85243864f611 (check https://polygon.mapleai.shop/.well-known/x402); MCP_PAY_TO_ARC: Verified API recipient on Arc: 0x63db6eaf635a31bbc6714fe37bdc85243864f611 (check https://arc.mapleai.shop/.well-known/x402); MCP_PAY_TO_SOLANA: Verified API recipient on Solana: 9DbpH2Mf9D26ak4bASsv6KA4Ra4V571oLpiVdZjAjcU8 (check https://sol.mapleai.shop/.well-known/x402); MCP_MAX_PAYMENT_USDC: Per-call spending cap for metered tools (chat, Jev, agent execution). Default 0.10; MCP_MAX_PREPAID_USDC: Per-purchase cap for prepaid key packs (covers the largest 1M-token pack). Default 3.00; MCP_NETWORK: Default network for tools: base, polygon, arc or solana. Default polygon.
Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.
View the publisher’s registry entry · Project repository. This profile uses version 0.3.1 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.
Browse related developer tools MCP servers for tools that cover the same kind of work.
| Variable | Description | Required |
|---|---|---|
| EVM_PRIVATE_KEY | 0x-prefixed wallet key for paid calls on Base, Polygon and Arc (x402 signing happens locally; the key never leaves this process) | Optional |
| SVM_PRIVATE_KEY | Solana wallet key (base58 or JSON byte array) for paid calls on Solana | Optional |
| MCP_PAY_TO_BASE | Verified API recipient on Base: 0x63db6eaf635a31bbc6714fe37bdc85243864f611 (check https://base.mapleai.shop/.well-known/x402) | Optional |
| MCP_PAY_TO_POLYGON | Verified API recipient on Polygon: 0x63db6eaf635a31bbc6714fe37bdc85243864f611 (check https://polygon.mapleai.shop/.well-known/x402) | Optional |
| MCP_PAY_TO_ARC | Verified API recipient on Arc: 0x63db6eaf635a31bbc6714fe37bdc85243864f611 (check https://arc.mapleai.shop/.well-known/x402) | Optional |
| MCP_PAY_TO_SOLANA | Verified API recipient on Solana: 9DbpH2Mf9D26ak4bASsv6KA4Ra4V571oLpiVdZjAjcU8 (check https://sol.mapleai.shop/.well-known/x402) | Optional |
| MCP_MAX_PAYMENT_USDC | Per-call spending cap for metered tools (chat, Jev, agent execution). Default 0.10 | Optional |
| MCP_MAX_PREPAID_USDC | Per-purchase cap for prepaid key packs (covers the largest 1M-token pack). Default 3.00 | Optional |
| MCP_NETWORK | Default network for tools: base, polygon, arc or solana. Default polygon | Optional |
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MCP_SERVER_SUBMIT_URL="https://mcp.so/api/submit-project" ```