polsolbridge/solana-swap-api

Overview

Open-source JavaScript API for non-custodial token swaps. Supports Solana via Jupiter and 7 EVM chains via KyberSwap, plus a universal cross-chain router and a priority-fee oracle. Requests require no API key or KYC and return unsigned transactions for the caller's wallet to sign.

Best for

Best for
Developers who want a free, simple swap API for Solana and EVM chains without managing their own backend.

Use cases

• Building swap functionality for a Solana or EVM dapp without managing liquidity
• Constructing unsigned cross-chain swap transactions for user wallets
• Getting priority fee estimates for Solana transactions

How to use

Install

node mcp-server.js

Tools exposed

• sol_swap
• evm_swap
• smart_route
• sol_priority_fee
• swap_create
• swap_status
• get_prices
• rug_check

Tested with

Claude Desktop, Cursor, Cline, VS Code

Example client config

{ "mcpServers": { "swaptitan": { "url": "https://swaptitan.net/mcp" } } }

Notes

Open-source JavaScript API for non-custodial token swaps. Supports Solana via Jupiter and 7 EVM chains via KyberSwap, plus a universal cross-chain router and a priority-fee oracle. Requests require no API key or KYC and return unsigned transactions for the caller’s wallet to sign.

0 stars on GitHub. Last updated 2026-07-18. Licensed MIT.

Use cases

• Building swap functionality for a Solana or EVM dapp without managing liquidity
• Constructing unsigned cross-chain swap transactions for user wallets
• Getting priority fee estimates for Solana transactions

Pros

• No API key or KYC required
• Non-custodial: returns unsigned transactions the wallet signs locally
• Covers multiple chains through a single API

Cons

• Dependent on Jupiter and KyberSwap for routing and liquidity
• Zero GitHub stars suggest an early-stage or unvetted project
• No API key means no formal support or rate-limit guarantees

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.