Paid Base Token Tools

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

Base token facts and ERC-20 allowance checks. Per-call USDC on Base; x402 wallet required.

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "Paid Base Token Tools": {
      "url": "https://paid-mcp-opportunity-lab--taylorboucher1.replit.app/api/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (6)

• get_tool_status read-only

  Read the available tool's Base USDC price, receiver and setup status. Free; configuration does not prove settlement.

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world no

• preview_base_usdc read-only

  Free fixed sample of native USDC's on-chain facts on Base. No other token input accepted; does not make a payment.

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

• base_token_facts

  Read a Base ERC-20 fact packet at one pinned block: metadata, exact supply, bytecode hash and EIP-1967 implementation slot. Requires 0.01 native USDC on Base; no financial advice.

  Parameters:

  • tokenAddress (required) — string — ERC-20 contract address on Base mainnet

  Hints: read-only no · destructive no · idempotent not declared · open-world yes

• get_runtime_tools read-only

  List mounted tool versions, per-call USDC prices and input schemas. Free. Releases share the receiving wallet and pilot limits, not a universal price.

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world no

• base_token_allowance

  Read an ERC-20 allowance on Base at a pinned block before an AI proposes spending. Returns exact units, decimals and provenance. Does not approve or transfer tokens. Version 253064e6ce6110d8. Requires 0.01 native USDC per call on Base; shared paid pilot limits apply.

  Parameters:

  • tokenAddress (required) — string
  • ownerAddress (required)
  • spenderAddress (required)

  Hints: read-only no · destructive no · idempotent not declared · open-world yes

• base_uniswap_v3_lp_accounting_audit

  Read official Base Uniswap V3 NFT and pool state at one canonical block hash. Reconcile exact token inventory and fee-growth checkpoints against optional reported raw amounts. Return signed discrepancies, reproducible inputs and uint128 accounting semantics. Recorded tokensOwed may include withdrawn principal, not only fees. Read-only; no USD valuation, trading, custody or profitability claim. Version 234e52e42b53afb8. Requires 0.01 native USDC per call on Base; shared paid pilot limits apply.

  Parameters:

  • positionId (required) — string — Uniswap V3 NFT position ID on Base; not an Aerodrome or V4 position.
  • reported — object
  • blockNumber — string — Optional historical Base block number. Omit to use the provider's safe block.

  Hints: read-only no · destructive no · idempotent not declared · open-world yes

Publisher website

Measured by MCPYP probing. Untested fields are omitted, never estimated. Listing is always free; MCPYP never proxies calls or stores user tokens.