Koskamo

ChainAnalyzer MCP

A community-driven MCP server enabling AI agents to perform blockchain Anti-Money Laundering (AML) risk analysis. It supports scanning addresses across 12 chains, checking sanctions, tracing transactions, detecting CoinJoin patterns, clustering wallets via Neo4j, and performing cross-chain bridge flow traces. It integrates with various AI agents via skills or direct MCP configuration.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

ChainAnalyzer MCP logo, by rascal-3Community listingLocal stdioSource reviewed; not executedPublished by rascal-3
You need:Create a tfk_ API key at chain-analyzer.com → Account → Settings → API KeysRequires the x402 npm package: npm install x402
Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

  • Popularity 1 GitHub star

What you can do with it

  • Check AML risk scores for blockchain addresses
  • Screen addresses against OFAC/FATF sanctions lists
  • Trace transaction flows and detect mixing patterns
  • Perform cross-chain forensic tracing for bridge flows

Source and maintenance

Community listingRegistry 1.5.0MIT
mcp-registry: io.github.rascal-3/chainanalyzer-mcp@1.5.0Source repository
Last repository push
Latest release
v1.1.0
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

chainanalyzer-mcp 1.5.0

npm
chainanalyzer-mcp package definition
{
  "version": "1.5.0",
  "transport": "stdio",
  "identifier": "chainanalyzer-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "CHAINANALYZER_API_KEY",
      "description": "ChainAnalyzer API key (tfk_...) for subscription billing (Pro plan or higher). Use this or X402_PRIVATE_KEY."
    },
    {
      "name": "X402_PRIVATE_KEY",
      "description": "Wallet private key used to sign x402 USDC micropayments (pay-per-request mode, no account needed). Use this or CHAINANALYZER_API_KEY."
    },
    {
      "name": "X402_NETWORK",
      "default": "base",
      "description": "x402 payment network: base (default) or solana"
    },
    {
      "name": "CHAINANALYZER_BASE_URL",
      "description": "Override the API base URL (default: https://chain-analyzer.com)"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · repository · passed · metadata changed · updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "chainanalyzer-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "chainanalyzer-mcp@1.5.0"
      ],
      "env": {
        "CHAINANALYZER_API_KEY": "<YOUR_CHAINANALYZER_API_KEY>",
        "X402_PRIVATE_KEY": "<YOUR_X402_PRIVATE_KEY>",
        "X402_NETWORK": "<YOUR_X402_NETWORK>",
        "CHAINANALYZER_BASE_URL": "<YOUR_CHAINANALYZER_BASE_URL>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "chainanalyzer-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "chainanalyzer-mcp@1.5.0"
      ],
      "env": {
        "CHAINANALYZER_API_KEY": "<YOUR_CHAINANALYZER_API_KEY>",
        "X402_PRIVATE_KEY": "<YOUR_X402_PRIVATE_KEY>",
        "X402_NETWORK": "<YOUR_X402_NETWORK>",
        "CHAINANALYZER_BASE_URL": "<YOUR_CHAINANALYZER_BASE_URL>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "chainanalyzer-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "chainanalyzer-mcp@1.5.0"
      ],
      "env": {
        "CHAINANALYZER_API_KEY": "<YOUR_CHAINANALYZER_API_KEY>",
        "X402_PRIVATE_KEY": "<YOUR_X402_PRIVATE_KEY>",
        "X402_NETWORK": "<YOUR_X402_NETWORK>",
        "CHAINANALYZER_BASE_URL": "<YOUR_CHAINANALYZER_BASE_URL>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "chainanalyzer-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "chainanalyzer-mcp@1.5.0"
      ],
      "env": {
        "CHAINANALYZER_API_KEY": "<YOUR_CHAINANALYZER_API_KEY>",
        "X402_PRIVATE_KEY": "<YOUR_X402_PRIVATE_KEY>",
        "X402_NETWORK": "<YOUR_X402_NETWORK>",
        "CHAINANALYZER_BASE_URL": "<YOUR_CHAINANALYZER_BASE_URL>"
      }
    }
  }
}

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