MCP MeasureMCP Measure

index observed

Industrial Platform Transaction Watch

Poll EVM transactions until confirmed or reverted with recurring x402 payments.

Should I use this

Quality & Safety

B
Description quality
87%
Schema completeness
77%
Naming quality
80%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~335Tokens (tool definitions)
~713 BTypical response size
Minimal attention impact (0.26% 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.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "transaction-watch": {
      "url": "https://x402-mcp-gateway-production.up.railway.app/mcp/transaction-watch"
    }
  }
}

Remote endpoints

https://x402-mcp-gateway-production.up.railway.app/mcp/transaction-watchstreamable-http

What it can do

Tool inventory

Tools (3)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢watch_transaction(tx_hash, network, previous_state_hash)

Poll a transaction about every 15 seconds until confirmed or reverted, reusing returned next-check state. Costs $0.003 USDC on Base via x402.

Input Schema

{
  "type": "object",
  "properties": {
    "tx_hash": {
      "type": "string",
      "pattern": "^0x[a-fA-F0-9]{64}$"
    },
    "network": {
      "type": "string",
      "enum": [
        "base",
        "ethereum"
      ]
    },
    "previous_state_hash": {
      "type": "string",
      "pattern": "^[a-fA-F0-9]{64}$"
    }
  },
  "required": [
    "tx_hash"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢transaction_status(tx_hash, network)

Check whether an EVM transaction is pending, confirmed or reverted. Costs $0.001 USDC on Base via x402.

Input Schema

{
  "type": "object",
  "properties": {
    "tx_hash": {
      "type": "string"
    },
    "network": {
      "type": "string",
      "enum": [
        "base",
        "ethereum"
      ]
    }
  },
  "required": [
    "tx_hash"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
⚪gas_price(chain)

Canonical current EVM base fee in gwei for Base or Ethereum, for recurring transaction timing and execution checks. Costs $0.001 USDC on Base via x402.

Input Schema

{
  "type": "object",
  "properties": {
    "chain": {
      "type": "string",
      "enum": [
        "eip155:8453",
        "eip155:1"
      ]
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Community

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Evidence

Recent observations

verifiedversion not recorded3 tools