PlainText Wallet Approval Checker

Checks a wallet's token/NFT approvals via GoPlus and explains risk in plain language.

Quality & Safety

A
Description quality
100%
Schema completeness
100%
Naming quality
90%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~290Tokens (tool definitions)
~1.1 KBTypical response size
Minimal attention impact (0.23% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

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One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "plaintext-wallet-checker": {
      "url": "https://smartcontractexplainer.onrender.com/mcp"
    }
  }
}

Remote endpoints

https://smartcontractexplainer.onrender.com/mcpstreamable-http

Tool inventory

Tools (2)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢check_wallet_approvals(address, chain, kind)

Check an EVM wallet's live token/NFT approvals via GoPlus Security and get a plain-language safety verdict (SAFE, CAUTION, or RISK) with an explanation.

Input Schema

{
  "type": "object",
  "properties": {
    "address": {
      "type": "string",
      "pattern": "^0x[a-fA-F0-9]{40}$",
      "description": "EVM wallet address to check, e.g. 0x..."
    },
    "chain": {
      "description": "Chain to check approvals on (default: ethereum)",
      "type": "string",
      "enum": [
        "ethereum",
        "bsc",
        "polygon",
        "arbitrum",
        "optimism",
        "base",
        "avalanche"
      ]
    },
    "kind": {
      "description": "Approval type to check (default: token)",
      "type": "string",
      "enum": [
        "token",
        "nft"
      ]
    }
  },
  "required": [
    "address"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢explain_approval(data)

Explain an arbitrary approval/permission JSON payload in plain language, when you already have the data instead of needing an on-chain lookup.

Input Schema

{
  "type": "object",
  "properties": {
    "data": {
      "type": "object",
      "propertyNames": {
        "type": "string"
      },
      "additionalProperties": {},
      "description": "Arbitrary approval/permission JSON payload to explain"
    }
  },
  "required": [
    "data"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}

Recent observations

verifiedversion not recorded2 tools