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Infinihash Kyt MCP

Screens blockchain wallets, manages compliance cases, and generates FinCEN-aligned SAR drafts through MCP tools.

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Install Infinihash Kyt MCP

Pick your client, then add it in one click or paste the config.

STDIOPython
~/Library/Application Support/Claude/claude_desktop_config.json
claude_desktop_config.json
{
  "mcpServers": {
    "infinihash-kyt-mcp": {
      "command": "uvx",
      "args": [
        "infinihash-kyt-mcp"
      ],
      "env": {
        "KYT_API_KEY": "YOUR_VALUE_HERE"
      }
    }
  }
}

Settings → Developer → Edit Config, merge this into mcpServers, then fully quit and reopen Claude Desktop.

Values are written into the snippet above so you can paste it as is. They never leave your browser.

We couldn’t confirm it starts correctly

We ran the install command but it didn't respond within our test window — this can mean a slow first-time install rather than a real problem.

uvx infinihash-kyt-mcp

No response to initialize.

This is an experimental automated check and can have false negatives — missing environment variables, a slow cold install, etc. It doesn’t necessarily mean something’s wrong. Last checked 1mo ago.

Overview

The infinihash-kyt-mcp MCP server connects MCP-compatible agents to Infinihash KYT for wallet screening, blockchain threat intelligence, compliance cases, and SAR drafts. It provides tools for OFAC SDN and risk-label checks, case investigation, coverage statistics, and backend health checks. Hosted access uses a remote MCP endpoint, while local use runs through stdio with an Infinihash API key. Reach for it when an agent needs to support blockchain compliance workflows without directly implementing the KYT API.

Use cases

  • Screen wallets against OFAC and risk labels
  • Open compliance cases from suspicious screenings
  • Review address intelligence without a full screen
  • Generate drafts for FinCEN-aligned SAR review
  • Preflight crypto payments before sending

Key features

  • OFAC SDN and risk-label wallet screening
  • Address intelligence lookup
  • Compliance case and audit-note management
  • FinCEN-aligned SAR draft generation
  • Screening statistics and backend health checks
  • Hosted payment preflight with signed receipts

Security & health

What it can reach and how reliably it runs — from our own checks, not the maintainer’s claims.

ActiveLast checked Today

Recent health check succeeded.

19/21 checks healthy over the last 90d

Supply-chain signal

No high-severity advisories surfaced by our automated scan.

Critical 0High 0Medium 0Low 0

Scanned 4d ago via OSV.dev · infinihash-kyt-mcp (PyPI)

Adoption & maintenance

Factual signals from GitHub, npm, and our automated checks — not a rating.

GitHub stars1Stargazers on the source repository.
Last commit25d agoMost recent push to the default branch.
Install checkInconclusiveDidn't respond in our test window — often a slow first install.
Directory activity4 viewsConfig copies, upvotes, and views on AllMCPs.

How Infinihash Kyt MCP works

What the infinihash-kyt-mcp MCP server does

The infinihash-kyt-mcp MCP server exposes Infinihash KYT functionality to MCP-compatible agents. Its primary use is blockchain compliance: an agent can screen a wallet against the OFAC SDN list and more than 18,800 risk labels, inspect address intelligence, review previous screenings, and maintain investigation cases.

The server also supports SAR preparation. Agents can open a case from a concerning screening, retrieve case details and evidence notes, add notes to the audit trail, list cases by workflow state, and generate a FinCEN-aligned SAR draft. The draft is not a filed SAR, and the organisation using the system remains responsible for regulatory decisions and submission through the BSA E-Filing System.

How it works

A client sends MCP tool calls to either the hosted Infinihash endpoint or a locally running stdio process. The hosted service is available at https://mcp.infinihash.com/mcp and authenticates with a KYT API key through OAuth when prompted. An anonymous endpoint at https://mcp.infinihash.com/free/mcp provides basic sanctions screening without a key.

For local deployments, uvx infinihash-kyt-mcp starts the process, or the package can be installed with pip. The agent then invokes tools such as kyt_screen_wallet, kyt_lookup_intel, kyt_create_case, and kyt_generate_sar. Screening is described as taking under 200 milliseconds, and the service attributes labels across OFAC, threat-intelligence, on-chain, and community tiers.

The hosted service additionally provides preflight_payment, which returns ALLOW, REVIEW, or BLOCK before an agent sends crypto. It also returns an Ed25519-signed receipt. verify_receipt checks that receipt against the published public key.

Setup and configuration

Create a KYT API key from the Infinihash settings page. The local MCP configuration passes it as the KYT_API_KEY environment variable. A Claude Desktop configuration uses uvx as the command and infinihash-kyt-mcp as its argument. Cursor and Cline use the same general JSON structure with client-specific configuration locations.

For a hosted connection, use the remote MCP URL instead of installing the package. Claude Code can register that endpoint with an HTTP transport. The free hosted endpoint is available for basic screening, while authenticated access is intended for the full KYT service.

Tools and capabilities

Available tools include:

  • kyt_screen_wallet: screen a wallet against OFAC SDN and KYT risk labels.
  • kyt_lookup_intel: retrieve known intelligence tags without a full screen.
  • kyt_recent_screenings: inspect the organisation's recent screening activity.
  • kyt_create_case, kyt_list_cases, and kyt_get_case: manage compliance cases.
  • kyt_add_case_note: append investigation notes to a case audit trail.
  • kyt_generate_sar: produce a FinCEN-aligned SAR draft.
  • kyt_stats and kyt_health: inspect source coverage and backend status.

The hosted infinihash-kyt-mcp MCP server also exposes payment preflight and receipt verification capabilities.

Limitations and notes

The infinihash-kyt-mcp MCP server is a decision-support tool, not a SAR filing service. It does not replace an organisation's regulatory review or filing obligations. Anonymous hosted access is limited to basic sanctions screening. API usage, screening limits, and account terms depend on the Infinihash KYT service tier.

Read the full README View source on GitHub

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Frequently Asked Questions about Infinihash Kyt MCP

infinihash-kyt-mcp is an MCP server that connects MCP-compatible agents to Infinihash KYT for blockchain compliance. Its main tools screen wallets against OFAC SDN and risk labels, look up address intelligence, manage compliance cases, generate FinCEN-aligned SAR drafts, and report screening statistics and backend health.

Install it locally with `uvx infinihash-kyt-mcp` or `pip install infinihash-kyt-mcp`. Configure the MCP client to run the package over stdio and provide the `KYT_API_KEY` environment variable.

Yes, infinihash-kyt-mcp works with Cursor. Use the same MCP server JSON configuration pattern as the local setup, placing it in the configuration location used by Cursor.

Yes, use the hosted MCP endpoint at `https://mcp.infinihash.com/mcp`. An anonymous endpoint at `/free/mcp` provides basic sanctions screening, while the authenticated endpoint uses a KYT API key.

No, it generates a FinCEN-aligned SAR draft but does not file the SAR. Your organisation remains responsible for reviewing the draft, making regulatory determinations, and submitting through the BSA E-Filing System.

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