# io.github.friendlygeorge/etherscan-mcp-server (npm · etherscan-mcp-server)

MCP server for Etherscan — Ethereum blockchain explorer API for AI assistants

- Trust score: 70/100 (medium)
- Change this week: +46
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-03

## Components

- npm · `etherscan-mcp-server`: 70/100 (this document), [markdown](https://verifymcp.io/servers/friendlygeorge-etherscan-mcp-server/etherscan-mcp-server.md), [page](https://verifymcp.io/servers/friendlygeorge-etherscan-mcp-server/etherscan-mcp-server)

## Channel facts

- Registry: `npm`
- Package: `etherscan-mcp-server`
- Version: `1.0.0`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-08-03.

- **Supply Chain Security**: 87/100
  - No malware found by supply-chain analysis.
  - Only part of the dependency tree could be resolved (95 of 99), so this covers what we could see, not the whole tree.
  - No install/post-install scripts declared.
  - Only part of the dependency tree could be resolved (95 of 99), so this covers what we could see, not the whole tree.
- **Provenance & Transparency**: 45/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 54 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 77/100
  - AI-judged instruction clarity (excellent).
  - Tool/resource definitions use about 697 tokens (~87/item across 8 items; 8 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 27/100
  - Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add friendlygeorge-etherscan-mcp-server -- npx -y etherscan-mcp-server
```

### Codex

```bash
codex mcp add friendlygeorge-etherscan-mcp-server -- npx -y etherscan-mcp-server
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "friendlygeorge-etherscan-mcp-server": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "etherscan-mcp-server"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add friendlygeorge-etherscan-mcp-server --command npx --arg -y --arg etherscan-mcp-server
```

### Hermes

```yaml
mcp_servers:
  friendlygeorge-etherscan-mcp-server:
    command: "npx"
    args: ["-y", "etherscan-mcp-server"]
```

### Other

```json
{
  "mcpServers": {
    "friendlygeorge-etherscan-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "etherscan-mcp-server"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-08-03 (score 70, +4)

- [functional improvement] Stability: unverified → 0.27

### 2026-08-02 (score 66, +45)

- [security regression] Provenance: unverified → fail
- [security improvement] Install scripts: unverified → pass
- [security improvement] Known CVEs: unverified → partial
- [security improvement] Malware scan: unverified → pass
- [security] Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window).
- [functional regression] Security disclosure: fail → unverified
- [functional regression] Tool coverage: 100 → unverified
- [functional improvement] MCP protocol: unverified → pass
- [functional improvement] Maintenance: unverified → pass
- [functional improvement] Dependency health: unverified → partial
- [functional improvement] License: unverified → pass
- [functional improvement] Schema quality: unverified → excellent
- [functional] Licence: MIT

### 2026-07-31 (score 21, −3)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-30 (score 24, −22)

- [functional regression] Tool coverage: 100 → unverified

### 2026-07-28 (score 46, +22)

- [functional improvement] Tool coverage: unverified → 100
- [functional] First check of Schema quality: unverified
- [functional] First check of Schema quality: pass
- [functional] First check of Schema quality: fail
- [functional] First check of Tool coverage: 100

### 2026-07-27 (score 24)

First indexed and scored.

## MCP tools (8)

### `get_eth_balance` (~42 tokens)

Get the native ETH balance for an Ethereum address (in ETH, not wei)

Input parameters:

- `address` (string, required): Ethereum address (0x...) to check balance for

### `get_token_balances` (~98 tokens)

Get ERC-20 token balances for an Ethereum address (token name, symbol, contract, amount). Requires an Etherscan API key for best results.

Input parameters:

- `address` (string, required): Ethereum address (0x...) to check token balances for
- `offset` (string): Number of results per page (default 100, max ~10000 with API key)
- `page` (string): Page number for pagination (default 1)

### `get_transaction` (~49 tokens)

Get full details for a single transaction by its hash (from, to, value, gas, input data, status)

Input parameters:

- `txhash` (string, required): Transaction hash (0x...) to look up

### `get_transactions_by_address` (~130 tokens)

Get the normal (external) transactions for an Ethereum address, newest first. Includes value, gas, from/to, method.

Input parameters:

- `address` (string, required): Ethereum address (0x...) to fetch transactions for
- `endblock` (string): Ending block number (default latest)
- `offset` (string): Number of results per page (default 20, max 10000)
- `page` (string): Page number (default 1)
- `sort` (string): Sort order (default desc — newest first)
- `startblock` (string): Starting block number (default 0)

### `get_erc20_transfers` (~147 tokens)

Get ERC-20 token transfer events for an Ethereum address (token transfers in/out)

Input parameters:

- `address` (string, required): Ethereum address (0x...) to fetch ERC-20 transfers for
- `contractaddress` (string): Optional: filter by a specific ERC-20 token contract address
- `endblock` (string): Ending block number (default latest)
- `offset` (string): Number of results per page (default 20, max 10000)
- `page` (string): Page number (default 1)
- `sort` (string): Sort order (default desc — newest first)
- `startblock` (string): Starting block number (default 0)

### `get_internal_transactions` (~131 tokens)

Get internal transactions (contract calls) for an Ethereum address. These are transactions triggered by smart contracts, not direct EOA transfers.

Input parameters:

- `address` (string, required): Ethereum address (0x...) to fetch internal transactions for
- `endblock` (string): Ending block number (default latest)
- `offset` (string): Number of results per page (default 20, max 10000)
- `page` (string): Page number (default 1)
- `sort` (string): Sort order (default desc — newest first)
- `startblock` (string): Starting block number (default 0)

### `get_contract_abi` (~63 tokens)

Get the ABI (Application Binary Interface) for a verified smart contract. The ABI is a JSON array describing the contract's functions and events — required for calling contract methods.

Input parameters:

- `address` (string, required): Verified contract address (0x...) to fetch the ABI for

### `get_gas_price` (~37 tokens)

Get the current gas price oracle from Etherscan — recommended gas prices for slow/standard/fast transaction speeds (in Gwei)

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/friendlygeorge-etherscan-mcp-server/etherscan-mcp-server#diagnostics

## Score history

- 2026-08-03: 70
- 2026-08-02: 66
- 2026-08-01: 21
- 2026-07-31: 21
- 2026-07-30: 24
- 2026-07-28: 46
- 2026-07-27: 24

## Links

- npm package: https://www.npmjs.com/package/etherscan-mcp-server
- Socket report: https://socket.dev/npm/package/etherscan-mcp-server
- Repository: https://github.com/friendlygeorge/etherscan-mcp-server
- Changelog RSS feed: https://verifymcp.io/servers/friendlygeorge-etherscan-mcp-server/etherscan-mcp-server/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/friendlygeorge-etherscan-mcp-server/etherscan-mcp-server/changelog.json
- HTML version of this page: https://verifymcp.io/servers/friendlygeorge-etherscan-mcp-server/etherscan-mcp-server