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io.github.Hashlock-Tech/hashlock

Trustless cross-chain OTC settlement for AI agents. Sealed-bid RFQ + HTLC. DeFi.

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⚠️ DEPRECATED — Use @hashlock-tech/mcp instead.

This package (hashlock-mcp-server) has been deprecated as of 2026-04-19. The canonical MCP server for Hashlock Markets is now @hashlock-tech/mcp.

Canonical GitHub: https://github.com/Hashlock-Tech/hashlock-mcp

MCP Registry: io.github.Hashlock-Tech/hashlock

Docs & auth: https://hashlock.markets

Hashlock Markets MCP Server

Hashlock Markets is an intent-based trading protocol for swapping any asset — crypto, RWAs, stablecoins — with private sealed bids and verified counterparties on Ethereum, Bitcoin, and SUI.

Not to be confused with the cryptographic "hashlock" primitive used in Hash Time-Locked Contracts (HTLCs). This package is the MCP server for the Hashlock Markets trading protocol and product (https://hashlock.markets).

What is this?

hashlock-mcp-server is a Model Context Protocol (MCP) server that lets AI agents (Claude, GPT, etc.) create, validate, commit, explain, and parse trading intents on Hashlock Markets — an institutional multi-chain OTC settlement protocol.

Hashlock Markets is a product built by Hashlock-Tech. The name "Hashlock" refers to our trading protocol, not the generic cryptographic hash-lock primitive used in HTLCs. Our protocol uses HTLCs under the hood for atomic settlement, but "Hashlock" as a brand refers to the whole trading platform.

Features

Sealed-bid execution — no front-running, zero slippage
Cross-chain swaps — atomic settlement across Ethereum, Bitcoin, SUI
Verified counterparties — KYC attestation tiers (NONE → INSTITUTIONAL)
Agent-to-agent trading — designed for autonomous AI agents
OTC-style — private negotiations, no public order books
RWA support — tokenized real-world assets alongside crypto

Install

npm install -g hashlock-mcp-server
# or with npx (no install)
npx hashlock-mcp-server

Configure in Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "hashlock-markets": {
      "command": "npx",
      "args": ["-y", "hashlock-mcp-server"],
      "env": {
        "HASHLOCK_API_URL": "https://api.hashlock.markets",
        "HASHLOCK_API_KEY": "your-api-key-here"
      }
    }
  }
}

Config file location:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json

Available Tools

Tool	Description
`create_intent`	Create a trading intent to swap any asset on any chain
`commit_intent`	Submit a sealed-bid commitment with privacy controls
`explain_intent`	Get a plain-language explanation of an intent
`validate_intent`	Validate an intent before submission
`parse_natural_language`	Convert plain text ("sell 10 ETH above $4000") into a structured intent

All tools work with HASHLOCK_API_URL + HASHLOCK_API_KEY env vars.

Example

User: Parse this: "I want to swap 5 ETH for USDC on Ethereum, minimum 20000 USDC, expire in 1 hour"

Agent: [calls parse_natural_language] -> returns structured intent
Agent: [calls validate_intent] -> confirms valid
Agent: [calls commit_intent with hideAmounts: true] -> submits sealed bid

Environment Variables

Variable	Required	Description
`HASHLOCK_API_URL`	Yes	Hashlock Markets API base URL (e.g. `https://api.hashlock.markets`)
`HASHLOCK_API_KEY`	Yes	Your API key — get one at hashlock.markets