MoltNode by Chord MCP server

MoltNode by Chord: MCP server

Read 31 blockchains and swap tokens from any AI agent. One hosted MCP server, no API key, no signup.

• Read: JSON-RPC on Ethereum, Base, Arbitrum, Solana, Monad, BNB Chain, Avalanche, Sui and 23 more, through MoltNode (automatic failover across providers).
• Trade: best-route swap quotes from Chord on Base, Monad, BNB Chain, Avalanche, Arbitrum, Robinhood Chain and Arc, with the unsigned transaction, the approval it needs and a simulation run from your wallet. Your agent signs with its own key; nothing is ever held for you.

https://moltnode.ag/mcp

Connect

Claude Code

claude mcp add --transport http moltnode https://moltnode.ag/mcp

Cursor, Windsurf, VS Code, Claude Desktop and any client that takes a URL

{
  "mcpServers": {
    "moltnode": { "type": "http", "url": "https://moltnode.ag/mcp" }
  }
}

In Claude Desktop or claude.ai you can also add it under Settings → Connectors → Add custom connector, with the URL above.

Clients that only start local commands (stdio)

{
  "mcpServers": {
    "moltnode": { "command": "npx", "args": ["-y", "github:tuantqse90/moltnode-mcp"] }
  }
}

The stdio bridge in this repo (index.mjs) forwards every call to the hosted server, so both give the same tools.

Tools

How an agent swaps

1. chordfindtoken → the addresses and decimals of the two tokens (the zero address is the native coin).
2. chordswapquote with taker = the agent's wallet. Amounts are integer strings in the token's smallest unit (10000000 = 10 USDC).
3. If the answer has approval, sign and send approval.tx first.
4. Sign tx with the agent's own key.
5. sendrawtransaction on the same chain.

The router enforces minAmountOut on-chain. Chord's own router answers first; another aggregator is used only when Chord has no route, and the answer says which.

Without MCP

• Function-calling definitions (Anthropic and OpenAI shapes), with the HTTP call behind each tool: https://moltnode.ag/tool-schema.json
• Plain JSON-RPC: POST https://moltnode.ag/ (e.g. https://moltnode.ag/base)
• Chain catalog: https://moltnode.ag/api/chains · OpenAPI: https://moltnode.ag/openapi.json · Brief for LLMs: https://moltnode.ag/llms.txt
• Live swap quote in the browser and full viem / web3.py code: https://moltnode.ag/trade

Chains

Read: Monad, Ethereum, Base, Arbitrum One, Optimism, Polygon, BNB Chain, Solana, Avalanche C-Chain, HyperEVM, Berachain, Abstract, Sei, Sonic, Mantle, Taiko, zkSync Era, ZetaChain, opBNB, BOB, Edge, Stable, Katana, Morph, Swellchain, 0G, TAC, X Layer, Gnosis, Fantom, Sui.

Trade (Chord): Base, Monad, BNB Chain, Avalanche, Arbitrum, Robinhood Chain, Arc.

Limits

Free and shared: short bursts of 60 requests, then 3 requests per second and 20,000 per day per client; answers up to 8 MB. Past a limit the tools answer with the wait time. Send a User-Agent. For heavy production traffic, run your own node.

Links

Shortened. The full README is on GitHub.