io.github.friendlygeorge/etherscan-mcp-server
NPM · ETHERSCAN-MCP-SERVER
MCP server for Etherscan — Ethereum blockchain explorer API for AI assistants
Available components
Last scanned (4 hours ago)
Scores higher than 61% of npm servers
Category Crypto and Web3
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. How we score → Why this is hard to score →
Supply Chain Security81
- No malware found by supply-chain analysis.Pass
- CVE check failed: a known high-severity CVE affects zod 3.25.76, a direct dependency. A fixed version is available. View diagnostics → Fail
- No install/post-install scripts declared.Pass
- 30 of 93 dependencies flagged as unhealthy. View diagnostics → Partial
Provenance & Transparency39
- Source repository is publicly reachable at the declared URL. View diagnostics → Pass
- Provenance check failed: no build-provenance attestation is published. See how to fix → View diagnostics → Fail
- Clear OSI-approved license (MIT).Pass
- Maintenance check failed: the publisher has marked this version as deprecated on the registry, telling users to stop installing it. See how to fix → Fail
- Disclosure check failed: no security disclosure policy was found in the source repository. See how to fix → Fail
Schema Quality & AI Usability82
- AI-judged instruction clarity (excellent).Pass
- Tool/resource definitions use about 697 tokens (~87/item across 8 items; 8 tools + 0 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management100
- No destabilizing schema changes in the last 30 days.Pass
Tool Coverage100
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 100% of tool parameters carry a description.Pass
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 8 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 8 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 5 Nov 26 0
- Security disclosure: unverified → fail ▼ functional
- 4 Nov 26 +1
- Stability: 0.97 → pass security
- Security disclosure: fail → unverified ▼ functional
- 3 Nov 26 −1
- Stability: pass → 0.97 functional
- 28 Oct 26 +1
- Stability: 0.97 → pass security
- 27 Oct 26 −1
- Stability: pass → 0.97 functional
- 24 Oct 26 −5
- CVE-2023-54404 affects this package: high ▼ security
- Known CVEs: pass → fail ▼ security
- 21 Oct 26 0
- Stability: 0.97 → pass security
- 20 Oct 26 0
- Stability: pass → 0.97 functional
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 5 Nov 2026 · Analysed npm/etherscan-mcp-server@1.0.0
Provenance No attestation
The registry publishes no build provenance for this version, so there is nothing to verify.
| Result | No attestation |
|---|---|
| Ecosystem | npm |
Background: How many MCP packages publish verified provenance →
Vulnerabilities 1 finding
| ID | CVE | Severity | Vector | Fix available |
|---|---|---|---|---|
| GHSA-mrhx-c7xc-m3w5 | CVE-2023-54404 | high | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | yes |
Background: What a vulnerability scan can and cannot prove →
Dependencies 93 packages
| Packages resolved | 93 |
|---|---|
| Stale | 30 |
| Tree resolution | Complete |
Background: SBOMs and build attestations, explained →
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
get_contract_abi ~63
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.
| Name | Type | Req | Description |
|---|---|---|---|
| address | string | yes | Verified contract address (0x...) to fetch the ABI for |
No output schema declared.
No examples provided.
get_erc20_transfers ~147
Get ERC-20 token transfer events for an Ethereum address (token transfers in/out)
| Name | Type | Req | Description |
|---|---|---|---|
| address | string | yes | 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) |
No output schema declared.
No examples provided.
get_eth_balance ~42
Get the native ETH balance for an Ethereum address (in ETH, not wei)
| Name | Type | Req | Description |
|---|---|---|---|
| address | string | yes | Ethereum address (0x...) to check balance for |
No output schema declared.
No examples provided.
get_gas_price ~37
Get the current gas price oracle from Etherscan — recommended gas prices for slow/standard/fast transaction speeds (in Gwei)
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
get_internal_transactions ~131
Get internal transactions (contract calls) for an Ethereum address. These are transactions triggered by smart contracts, not direct EOA transfers.
| Name | Type | Req | Description |
|---|---|---|---|
| address | string | yes | 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) |
No output schema declared.
No examples provided.
get_token_balances ~98
Get ERC-20 token balances for an Ethereum address (token name, symbol, contract, amount). Requires an Etherscan API key for best results.
| Name | Type | Req | Description |
|---|---|---|---|
| address | string | yes | 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) |
No output schema declared.
No examples provided.
get_transaction ~49
Get full details for a single transaction by its hash (from, to, value, gas, input data, status)
| Name | Type | Req | Description |
|---|---|---|---|
| txhash | string | yes | Transaction hash (0x...) to look up |
No output schema declared.
No examples provided.
get_transactions_by_address ~130
Get the normal (external) transactions for an Ethereum address, newest first. Includes value, gas, from/to, method.
| Name | Type | Req | Description |
|---|---|---|---|
| address | string | yes | 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) |
No output schema declared.
No examples provided.
How do I install the io.github.friendlygeorge/etherscan-mcp-server server?
io.github.friendlygeorge/etherscan-mcp-server runs locally as an npm package, launched with npx -y etherscan-mcp-server. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
npm · etherscan-mcp-server
claude mcp add friendlygeorge-etherscan-mcp-server -- npx -y etherscan-mcp-server
What is the io.github.friendlygeorge/etherscan-mcp-server server?
io.github.friendlygeorge/etherscan-mcp-server is listed in the public MCP registry as io.github.friendlygeorge/etherscan-mcp-server. MCP server for Etherscan, Ethereum blockchain explorer API for AI assistants. This page covers its npm package (etherscan-mcp-server).
Is the io.github.friendlygeorge/etherscan-mcp-server server safe to use?
io.github.friendlygeorge/etherscan-mcp-server scores 79 out of 100 on VerifyMCP. We recorded 1 known advisory against it as of 5 November 2026. It declares no install or post-install scripts. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the io.github.friendlygeorge/etherscan-mcp-server server expose?
io.github.friendlygeorge/etherscan-mcp-server exposes 8 tools: get_eth_balance, get_token_balances, get_transaction, get_transactions_by_address, get_erc20_transfers, and 3 more. Their descriptions and schemas cost roughly 697 tokens of context every time the server is loaded.
Is the io.github.friendlygeorge/etherscan-mcp-server server still maintained?
io.github.friendlygeorge/etherscan-mcp-server is still listed as active in the MCP registry. We last reached this channel on 5 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.
What licence is the io.github.friendlygeorge/etherscan-mcp-server server under?
io.github.friendlygeorge/etherscan-mcp-server declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.