Cross-chain swaps between Solana and Base for AI agents paid for via via x402 micropayments.
Most payments and commerce work still happens through a UI a human drives. Clawswap MCP server moves it into the conversation instead. Cross-chain swaps between Solana and Base for AI agents paid for via via x402 micropayments.
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).
The server publishes 7 tools. What each one is for:
Cursor — The Cursor tool exposed by this serverWindsurf — The Windsurf tool exposed by this serverAntigravity — The Antigravity tool exposed by this serverSmithery — Supports multiple clients: claude, cursor, windsurf, cline, vscode, and moreclawswap_bridge — Bridge tokens between Solana and Base. Handles the entire flow automaticallyclawswap_quote — Preview a bridge quote without executing. Free, no payment requiredclawswap_status — The clawswap_status tool exposed by this serverConfiguration is passed through the environment: SOLANA_PRIVATE_KEY, BASE_PRIVATE_KEY, SOLANA_RPC_URL, BASE_RPC_URL. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.
@clawswap/mcp-server on npm is all you need. Most clients run it directly, so configuration is a few lines and a restart.
Plenty of payments and commerce servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. Clawswap's toolset — Cursor, Windsurf, Antigravity and 4 more — is a fair guide to whether it matches your workflow. It is maintained by WarTech9; worth a glance at recent repository activity before you build anything load-bearing on it.
SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.
| Tool | What it does |
|---|---|
| Cursor | The Cursor tool exposed by this server. |
| Windsurf | The Windsurf tool exposed by this server. |
| Antigravity | The Antigravity tool exposed by this server. |
| Smithery | Supports multiple clients: claude, cursor, windsurf, cline, vscode, and [more](https://smithery.ai). |
| clawswap_bridge | Bridge tokens between Solana and Base. Handles the entire flow automatically. |
| clawswap_quote | Preview a bridge quote without executing. Free, no payment required. |
| clawswap_status | The clawswap_status tool exposed by this server. |
{
"mcpServers": {
"clawswap": {
"command": "npx",
"args": ["-y", "@clawswap/mcp-server"],
"env": {
"SOLANA_PRIVATE_KEY": "your-base58-solana-private-key",
"BASE_PRIVATE_KEY": "0x-your-hex-base-private-key"
}
}
}
}Configuration as documented by the project. Restart the client after saving.
| Variable | Description | Required |
|---|---|---|
| SOLANA_PRIVATE_KEY | Credential the server authenticates with. | Yes |
| BASE_PRIVATE_KEY | Credential the server authenticates with. | Yes |
| SOLANA_RPC_URL | Endpoint or connection string the server talks to. | Yes |
| BASE_RPC_URL | Endpoint or connection string the server talks to. | Yes |
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