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# BlockchainAnalysis — Crypto Compliance MCP Server
On-chain crypto-compliance intelligence for any MCP-compatible AI agent.
Free stablecoin-freeze, freeze-history, token-security and approvals checks;
paid wallet screening, KYT risk and consumer-protection verdicts — settled
per call in USDC on Base via **x402**. No API key, no account.
**Endpoint (remote, Streamable HTTP):** `https://blockchainanalysis.io/api/mcp`
**Docs:** https://blockchainanalysis.io/tools/mcp
**Tutorial:** [Build a compliance agent in 5 minutes](TUTORIAL.md)
## Install
[](cursor://anysphere.cursor-deeplink/mcp/install?name=blockchainanalysis&config=eyJ1cmwiOiJodHRwczovL2Jsb2NrY2hhaW5hbmFseXNpcy5pby9hcGkvbWNwIiwidHlwZSI6Imh0dHAifQ==)
**Claude Code**
```bash
claude mcp add --transport http blockchainanalysis https://blockchainanalysis.io/api/mcp
```
**claude_desktop_config.json**
```json
{ "mcpServers": { "blockchainanalysis": { "url": "https://blockchainanalysis.io/api/mcp" } } }
```
## Tools
| Tool | Price | What it does |
|------|-------|--------------|
| `check_stablecoin_freeze` | Free | Is a wallet blacklisted by Tether (USDT) / Circle (USDC)? Reads the issuer blacklist on-chain (9 chains). |
| `get_freeze_events` | Free | Freeze/unfreeze/destroy history from the issuer ledger. |
| `check_token_security` | Free | Buy/sell simulation → honeypot, extreme tax, impersonation, mint authority. |
| `check_token_approvals` | Free | A wallet's active ERC-20 approvals, risk-scored. |
| `list_supported_chains` | Free | Discover tools, chains and pricing. |
| `screen_address` | $1.50 | Screen a wallet against 1B+ entity labels (OFAC/EU/UN/UK/Swiss sanctions, scam, mixer, exchange). |
| `kyt_risk` | $2.00 | KYT risk verdict: sanctions + entity + VASP score + cluster → one risk level. |
| `oracle_verdict` | $1.00 | Consumer-protection verdict (safe / caution / high_risk) + 0–100 score. |
Paid tools settle per call in USDC on Base via x402 — your agent's wallet pays,
no account needed. Prefer accounts + invoicing? Use the REST API at
https://blockchainanalysis.io/api
Results are observational and time-bound, not legal advice.
