MCP.Market

Etherscan MCP server

by mrfentmen·io.github.mrfentmen/etherscan-mcp·v1.1.0
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Query the Etherscan v2 API: ETH balance, transactions, ERC-20 transfers.

C65/100grade C
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Safety scan
C65/100

full report

Adoption
New

283 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Etherscan tools (10)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • block_number

    Latest block.

  • contract_abi

    Verified ABI.

  • contract_source

    Verified source info.

  • eth_price

    ETH/USD price.

  • gas_oracle

    Current gas tiers.

  • get_balance

    Native balance for an address.

  • get_token_transfers

    Recent ERC-20 transfers to or from an address.

  • get_transactions

    Recent normal transactions for an address.

  • token_balance

    ERC-20 balance.

  • tx_status

    Receipt status by hash.

Public scan report

scanner v0.1.10 · 2026-10-28 · same rubric, same numbers if you re-run it

no findings
  • Code scan7 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancerepository not readable: repo not found3/15
  • Maintainer identityno repository or website to verify2/10
Overall 65/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Etherscan compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
65/100
higher than 20% of 48,255 servers
Tools
10
the typical server has 7
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Downloads a week
283
more than 80% of 12,191 servers with a package

What its tools let an agent do: 10 read

Install Etherscan in Claude Code, Cursor or VS Code

Runs npx -y @mrfentmen/etherscan-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add etherscan-mcp -- npx -y @mrfentmen/etherscan-mcp
Add to Cursor

Etherscan: common questions

Is Etherscan MCP server safe?
With care: it is graded C, so read the findings first (65/100). Read the Etherscan safety report
How do I install Etherscan?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Etherscan need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Etherscan maintained?
The latest release is v1.1.0.
How does Etherscan compare with other MCP servers?
safety score 65/100 (higher than 20% of 48,255 servers); tools 10 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

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