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MCP server for AI agents — Stacks, Celo, and Base in one npm package.
About
MCP server for AI agents — Stacks, Celo, and Base in one npm package.
Security Report
4.7
Use Caution4.7High RiskThis blockchain MCP server is well-structured with proper tiered access control and input validation. However, there are notable concerns: the webhook handler relies on in-memory rate limiting that doesn't persist across server instances (acknowledged but unmitigated), the license key validation logic is not shown, and several environment variables required for production (LS_API_KEY, RESEND_API_KEY, LS_WEBHOOK_SECRET) must be properly configured by users. The core MCP tools are non-custodial and return unsigned transactions only, which is a strong security design choice. Supply chain analysis found 2 known vulnerabilities in dependencies (0 critical, 2 high severity). Package verification found 1 issue.
7 files analyzed · 11 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Optional Lemon Squeezy license key. Omit to run on the Free tier (get_balance, get_prices). Unlocks get_portfolio and prepare_transfer on Pro, plus deploy_token on Team.Required
Environment variable: MULTICHAIN_LICENSE_KEY
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-wkalidev-multichain-mcp": {
"env": {
"MULTICHAIN_LICENSE_KEY": "your-multichain-license-key-here"
},
"args": [
"-y",
"@wkalidev/multichain-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
@wkalidev/multichain-mcp
The only MCP server that gives AI agents native access to Stacks, Celo, and Base — from a single npm package.
Connect Claude Desktop, Cursor, or any MCP-compatible AI to 3 blockchains in under 5 minutes.
Why this exists
Building an AI agent that interacts with Web3 today means writing separate integrations for every chain. This package ships a production-ready MCP server with 5 battle-tested tools across Stacks (Bitcoin L2), Celo, and Base — no RPC keys required to start.
Pricing
| Tier | Price | Tools | |
|---|---|---|---|
| Free | $0 | get_balance, get_prices | |
| Pro | $9/mo | + get_portfolio, prepare_transfer | Lemon Squeezy → · GitHub Sponsors → |
| Team | $29/mo | + deploy_token | Lemon Squeezy → · GitHub Sponsors → |
Launch offer: Use code
LAUNCH30for 30% off your first 3 months — limited to 50 users, expires July 28 2026.
Tools included
| Tool | Description | Tier |
|---|---|---|
get_balance | Native + token balances for any wallet | Free |
get_prices | Live prices + 24h change (STX, CELO, ETH, USDC, WBTC…) | Free |
get_portfolio | Aggregate view across all 3 chains in one call | Pro |
prepare_transfer | Build unsigned tx for native or ERC-20/SIP-010 transfer | Pro |
deploy_token | Prepare unsigned ERC-20 deployment tx on Celo or Base | Team |
All write operations return unsigned transactions — your users always sign with their own wallet. Non-custodial by design.
Install
npm install @wkalidev/multichain-mcp
Claude Desktop setup
Add to your claude_desktop_config.json:
{
"mcpServers": {
"multichain": {
"command": "npx",
"args": ["-y", "@wkalidev/multichain-mcp"],
"env": {
"MULTICHAIN_LICENSE_KEY": "your-license-key"
}
}
}
}
Omit the env block to run on the Free tier. Restart Claude Desktop after adding your key.
Cursor / Windsurf setup
Add to .cursor/mcp.json or .windsurf/mcp.json:
{
"mcpServers": {
"multichain": {
"command": "npx",
"args": ["-y", "@wkalidev/multichain-mcp"],
"env": {
"MULTICHAIN_LICENSE_KEY": "your-license-key"
}
}
}
}
Usage examples
Check Stacks wallet
"What tokens does SP2C2YFP12AJZB4MABJBAJ55XECVS7E4PMMZ89YZR hold on Stacks?"
→ get_balance({ address: "SP2C2YFP...", chain: "stacks" })
Full multichain portfolio
"Show me my full portfolio across all chains"
→ get_portfolio({ addresses: { stacks: "SP...", celo: "0x...", base: "0x..." } })
Deploy a token
"Deploy a token called GreenDAO with symbol GRN, 1M supply on Base"
→ deploy_token({ chain: "base", name: "GreenDAO", symbol: "GRN", totalSupply: "1000000", ownerAddress: "0x..." })
Live prices
"What are the current prices of STX, CELO and ETH?"
→ get_prices({ symbols: ["STX", "CELO", "ETH"] })
Networks
| Chain | RPC | Explorer |
|---|---|---|
| Stacks | api.hiro.so (public) | explorer.hiro.so |
| Celo | forno.celo.org (public) | celoscan.io |
| Base | mainnet.base.org (public) | basescan.org |
No API keys required for basic usage.
Programmatic use
import { getBalance, getPortfolio, getPrices } from "@wkalidev/multichain-mcp";
const balance = await getBalance({ address: "SP2C2YFP...", chain: "stacks" });
const prices = await getPrices({ symbols: ["STX", "CELO", "ETH"] });
Built by
@wkalidev — author of celobank-agent (ERC-8004 AI agent, 21 MCP tools on Celo mainnet) and stacks-quest (non-custodial DeFi terminal on Stacks Bitcoin L2).
License
MIT
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