chainanalyzer-mcp
io.github.rascal-3/chainanalyzer-mcp
About chainanalyzer-mcp
chainanalyzer-mcp is an MCP server published by the GitHub account rascal-3. Blockchain AML for AI agents: risk scoring, sanctions, tx & bridge tracing across 12 chains.
It runs on your own machine: your AI client starts it from the npm package chainanalyzer-mcp at version 1.5.0.
It asks for 2 secrets: CHAINANALYZER_API_KEY and X402_PRIVATE_KEY. Give it a key with the least access that still works.
Version 1.5.0 was published on 18 October 2026, and the source code is public, so you can read it before installing.
Written from the registry entry. 9 automated checks on the registry entry and the package code: 7 pass, 0 warn, 0 fail, 2 info. How we check.
What it asks for
| Variable | Required | Secret | Description |
|---|---|---|---|
CHAINANALYZER_API_KEY | No | Yes | ChainAnalyzer API key (tfk_...) for subscription billing (Pro plan or higher). Use this or X402_PRIVATE_KEY. |
X402_PRIVATE_KEY | No | Yes | Wallet private key used to sign x402 USDC micropayments (pay-per-request mode, no account needed). Use this or CHAINANALYZER_API_KEY. |
X402_NETWORK | No | No | x402 payment network: base (default) or solana |
CHAINANALYZER_BASE_URL | No | No | Override the API base URL (default: https://chain-analyzer.com) |
Checks
| Check | Result | Detail |
|---|---|---|
| Source repository linked | Pass | https://github.com/rascal-3/chainanalyzer-mcp |
| Version pinned | Pass | Every package has an explicit version |
| Secrets requested | Info | Asks for 2 secrets: CHAINANALYZER_API_KEY, X402_PRIVATE_KEY |
| Known package registry | Pass | All packages come from npm, PyPI, OCI, NuGet or MCPB |
| Namespace ownership | Info | Name verified via GitHub account rascal-3 |
| Registry text aimed at the AI | Pass | Description and settings contain no hidden characters or instructions to the AI |
| Install scripts | Pass | chainanalyzer-mcp@1.5.0 runs nothing at install |
| Code red flags | Pass | Read 15 files in chainanalyzer-mcp@1.5.0: no obfuscation, encoded execution, credential reads or data-collection endpoints found |
| Text aimed at the AI | Pass | No hidden characters or instructions to the AI in 15 files, including comments and the README |
Popularity & health: 56 / 100
Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.
1 forks, 0 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.
What people say
No Hacker News threads link to its source code.
Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.
Facts
| Registry name | io.github.rascal-3/chainanalyzer-mcp |
|---|---|
| Publisher | GitHub account rascal-3 |
| How the name is verified | Name verified via GitHub account rascal-3. The registry ties the name prefix to that account or domain; it does not check the code. |
| Type | Local: runs on your machine from a package |
| Packages | npm chainanalyzer-mcp 1.5.0 (stdio) |
| Version | 1.5.0 |
| Published | |
| Last updated | |
| Source repository | https://github.com/rascal-3/chainanalyzer-mcp |
| Website | None linked |
| Category | Finance & payments (assigned by keyword rule, not by hand) |
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