Add it to Claude Code
claude mcp add -e "SEED_PHRASE=${SEED_PHRASE}" -e "BLOCKFROST_PROJECT_ID=${BLOCKFROST_PROJECT_ID}" cardano-mcp -- npx -y @indigoprotocol/cardano-mcpSEED_PHRASEBLOCKFROST_PROJECT_ID+ 3 optionalMake your agent remember this setup
cardano-mcp's config, env vars, and the gotchas you hit — recalled in every future Claude Code, Cursor, and Codex session.
npx conare@latestFree · one command · indexes the sessions already on disk. Set up in the browser instead →
What it does
- Submit signed transactions to the Cardano network
- Retrieve wallet addresses and UTxOs
- Fetch token balances for ADA and native tokens
- Resolve ADAHandles
- Check stake delegation and claimable rewards
Tools 1
wallet_toolsA suite of 6 tools for interacting with Cardano wallets, including address lookups, balance checks, and transaction submission.Environment Variables
SEED_PHRASErequiredYour wallet seed phrase (comma-separated)BLOCKFROST_PROJECT_IDrequiredBlockfrost API keyKUPO_URLKupo endpoint URL (alternative to Blockfrost)OGMIOS_URLOgmios endpoint URL (alternative to Blockfrost)PORTHTTP server portTry it
Original README from IndigoProtocol/cardano-mcp
Cardano MCP Server
MCP server for interacting with the Cardano blockchain from AI agents and automation systems via the Model Context Protocol.
Part of the Indigo AI Stack — use alongside Indigo MCP for full Cardano DeFi capabilities.
⚡ 2 Commands to Get Started
# Install
npm install -g @indigoprotocol/cardano-mcp
# Setup (interactive)
npx @indigoprotocol/cardano-mcp setup
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That's it — 6 wallet tools configured for Claude Desktop, Claude Code, Cursor, or Windsurf.
Features
- Submit signed transactions to the Cardano network
- Retrieve wallet addresses and UTxOs
- Fetch token balances (ADA + native tokens)
- Resolve ADAHandles (handle.me)
- Check stake delegation and claimable rewards
- Wallet-aware tools powered by Lucid Evolution
Quick Start
Automatic Setup (Recommended)
Run the interactive setup to automatically configure your MCP client:
npx @indigoprotocol/cardano-mcp setup
This will:
- Ask which client you're using (Claude Desktop, Claude Code, Cursor, Windsurf)
- Prompt for your Blockfrost Project ID
- Prompt for your wallet seed phrase (stored locally, never exposed to LLMs)
- Automatically update your config file
Manual Installation
Install globally:
npm install -g @indigoprotocol/cardano-mcp
Or run directly with npx:
npx @indigoprotocol/cardano-mcp
Docker
docker build -t cardano-mcp .
docker run -p 8000:8000 \
-e PORT=8000 \
-e SEED_PHRASE="your seed phrase here" \
-e BLOCKFROST_PROJECT_ID="your_blockfrost_key" \
cardano-mcp
Configuration
Environment Variables
| Variable | Required | Description |
|---|---|---|
SEED_PHRASE |
Yes | Your wallet seed phrase (comma-separated). Never exposed to LLMs. |
BLOCKFROST_PROJECT_ID |
Yes* | Blockfrost API key from blockfrost.io |
KUPO_URL |
Alt | Kupo endpoint URL (alternative to Blockfrost) |
OGMIOS_URL |
Alt | Ogmios endpoint URL (alternative to Blockfrost) |
PORT |
No | HTTP server port (default: 8000) |
*Either BLOCKFROST_PROJECT_ID or both KUPO_URL + OGMIOS_URL are required.
Claude Desktop
Add to ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows):
{
"mcpServers": {
"cardano": {
"command": "npx",
"args": ["-y", "@indigoprotocol/cardano-mcp"],
"env": {
"SEED_PHRASE": "word1,word2,word3,...",
"BLOCKFROST_PROJECT_ID": "mainnetXXXXXXXXXXXXXXX"
}
}
}
}
Claude Code (CLI)
Add to ~/.claude/settings.json or .claude/settings.json in your project:
{
"mcpServers": {
"cardano": {
"command": "npx",
"args": ["-y", "@indigoprotocol/cardano-mcp"],
"env": {
"SEED_PHRASE": "word1,word2,word3,...",
"BLOCKFROST_PROJECT_ID": "mainnetXXXXXXXXXXXXXXX"
}
}
}
}
Cursor
Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project-level):
{
"mcpServers": {
"cardano": {
"command": "npx",
"args": ["-y", "@indigoprotocol/cardano-mcp"],
"env": {
"SEED_PHRASE": "word1,word2,word3,...",
"BLOCKF