Clawswap
Bridges tokens between Solana and Base in a single tool call, handling quote, payment, signing, and settlement automatically. Exposes three tools: clawswap_bridge for execution, clawswap_quote for previews, and clawswap_status for tracking. Supports USDC, USDT, SOL, ETH, and WETH with optional token swapping on arrival. Solana to Base costs $0.50 via x402 micropayments with sponsored gas, while Base to Solana is free minus nominal gas. You configure it with private keys for whichever direction you need. Reach for this when your agent needs to move stablecoins or native tokens cross-chain without manual intervention or separate bridge UIs.
- GitHub stars
- 2
- tools
- 3
- auth
- Secret needed
- transport
- STDIO
- env vars
- 4
- last updated
- Feb 27, 2026
Tools
3 toolsPublic tool metadata for what this MCP can expose to an agent.
clawswap_bridgeBridge tokens between Solana and Base. Handles the entire flow automatically.
Bridge tokens between Solana and Base. Handles the entire flow automatically.
No parameter schema in public metadata yet.
clawswap_quotePreview a bridge quote without executing. Free, no payment required.
Preview a bridge quote without executing. Free, no payment required.
No parameter schema in public metadata yet.
clawswap_statusCheck the status of a previously initiated bridge.
Check the status of a previously initiated bridge.
No parameter schema in public metadata yet.
Sponsors
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SOLANA_PRIVATE_KEY*secretBase58-encoded Solana private key (required for Solana → Base bridges)
BASE_PRIVATE_KEYsecret0x-prefixed hex Base/EVM private key (required for Base → Solana bridges)
SOLANA_RPC_URLSolana RPC endpoint URL
BASE_RPC_URLBase RPC endpoint URL
Readme
@clawswap/mcp-server
Send, swap, and bridge tokens cross-chain between Solana and Base — gasless, in one tool call. Built for AI agents using the Model Context Protocol (MCP).
What can it do?
Ask your AI agent any of these:
- "Send 10 USDC from Solana to Base"
- "How much would it cost to bridge 100 USDC to Base?"
- "Transfer my SOL to Base as ETH"
- "Swap 50 USDT from Base to Solana"
- "Move my stablecoins cross-chain"
The server handles the entire flow: quote → payment → signing → submission → settlement.
Installation
Claude Desktop
Add to your claude_desktop_config.json:
Details
- Repository
- github.com/wartech9/clawswap-mcp
- Category
- Finance & Commerce
- Package
@clawswap/mcp-server- Transport
- STDIO
- Auth
- Required
- Registry
- MCP registry, active
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