Screen crypto wallets vs OFAC SDN + threat intel; pre-payment checks, signed receipts; SAR drafts
MCP server for Infinihash KYT — real-time blockchain transaction monitoring, sanctions screening, and SAR generation as MCP tools.
Gives any MCP-compatible agent (Claude Desktop, Cursor, Cline, automation pipelines) access to:
kyt_screen_wallet — screen a wallet against OFAC SDN + 18.8K+ risk labels in under 200mskyt_lookup_intel — get known intel tags for an address (no full screen)kyt_recent_screenings — what your org has been screeningkyt_create_case — open a compliance case from a risky screeningkyt_list_cases — list open / SAR-pending / closed caseskyt_get_case — fetch one case with evidence noteskyt_add_case_note — append investigation notes to the audit trailkyt_generate_sar — render a FinCEN-aligned SAR draftkyt_stats — coverage stats (per-source breakdown)kyt_health — backend health probeConnect straight from Claude.ai, Claude Desktop, or any MCP client that supports remote servers:
https://mcp.infinihash.com/mcp. Sign in with your KYT API key when prompted (OAuth).https://mcp.infinihash.com/free/mcp gives anonymous, basic sanctions screening.claude mcp add --transport http infinihash-kyt https://mcp.infinihash.com/mcpThe hosted server adds preflight_payment: call it before an agent sends crypto. It returns ALLOW, REVIEW or BLOCK plus an Ed25519-signed receipt you can keep for examiners (verify_receipt checks it; public key at /.well-known/kyt-receipt-key).
uvx infinihash-kyt-mcp
Or:
pip install infinihash-kyt-mcp
Free tier — 100 screenings/month, no credit card required, key live in <60 seconds:
→ https://kyt.infinihash.com/kyt/settings/api-keys
Add to ~/Library/Application Support/Claude/claude_desktop_config.json:
{
"mcpServers": {
"infinihash-kyt": {
"command": "uvx",
"args": ["infinihash-kyt-mcp"],
"env": {
"KYT_API_KEY": "kyt_your_key_here"
}
}
}
}
Same JSON, different file. See the docs.
Screen wallet 0x722122dF12D4e14e13Ac3b6895a86e84145b6967 — is it sanctioned?
Open a case for the Tornado Cash address I just screened.
Generate a SAR draft for case <id> and email me a summary of what to include.
What labels do we have on 0x... — quick check, no full screen.
Compare honestly vs TRM Labs + Chainalysis Reactor Lite: https://kyt.infinihash.com/kyt/compare
KYT is a decision-support tool, not a SAR filing service. Your organisation remains solely responsible for SAR submissions via the BSA E-Filing System and for all regulatory determinations.
MIT licensed.
Source-derived launch command. Check the maintainer’s required arguments and credentials before running:
uvx infinihash-kyt-mcpMerge this template into ~/Library/Application Support/Claude/claude_desktop_config.json. Keep existing servers. Add any arguments, credentials, and permissions required by the maintainer; this template has not been install-tested.
{
"mcpServers": {
"io-github-infinihash-infinihash-kyt-mcp": {
"command": "uvx",
"args": [
"infinihash-kyt-mcp"
]
}
}
}Restart Claude Desktop completely for changes to take effect. Confirm the server appears connected in the client’s tool list, then try a read-only example from its documentation.
Claude Desktop setup referenceinfinihash-kyt-mcppypiio.github.Infinihash/infinihash-kyt-mcp works with any MCP-compatible client. Copy the config snippet from the Configuration section above and add it to the file shown for your client, then restart the application.
~/Library/Application Support/Claude/claude_desktop_config.jsonRestart Claude Desktop completely for changes to take effect.~/.cursor/mcp.jsonRestart Cursor for changes to take effect..vscode/mcp.jsonReload VS Code window for changes to take effect.~/.codeium/windsurf/mcp_config.jsonRestart Windsurf for changes to take effect..mcp.jsonSave at the project root, then start Claude Code in that project and review the MCP server approval prompt. Keep real credentials out of shared files.