| name | tron-swap |
| description | This skill should be used when the user asks to 'swap tokens on TRON', 'buy token on TRON', 'sell TRC-20 token', 'trade TRX for USDT', 'exchange tokens on SunSwap', 'DEX trade on TRON', 'get swap quote on TRON', 'best route for TRON swap', or mentions swapping, trading, buying, selling, or exchanging tokens on the TRON network. Aggregates liquidity from SunSwap V2/V3, Sun.io, and other TRON DEXes. Do NOT use for staking — use tron-staking. Do NOT use for token research — use tron-token. |
| license | MIT |
| metadata | {"author":"tronlink-skills","version":"1.1.0","homepage":"https://trongrid.io"} |
TRON DEX Swap
3 commands for swap quote, route optimization, and transaction status tracking (read-only queries).
Pre-flight Checks
-
Confirm Node.js >= 18:
node -e "console.log('ok')"
-
Check energy before swapping: Swaps consume significant Energy (typically 50,000–200,000). Run:
node "$TRON_API" resource-info --address <YOUR_ADDRESS>
If energy is insufficient, consider freezing TRX first (tron-staking) or accept TRX burn cost.
Resolve the CLI path
Every command below runs node "$TRON_API". Set $TRON_API once per session so it works no matter how the skill was installed (Claude Code plugin, install.sh → ~/.tronlink-skills, or inside the cloned repo):
TRON_API="${CLAUDE_PLUGIN_ROOT:-$HOME/.tronlink-skills}/scripts/tron_api.mjs"
[ -f "$TRON_API" ] || TRON_API="scripts/tron_api.mjs"
Read-only: these commands quote and inspect swaps; they do not sign or broadcast transactions.
Commands
1. Swap Quote
node "$TRON_API" swap-quote \
--from-token <FROM_CONTRACT_OR_TRX> \
--to-token <TO_CONTRACT_OR_TRX> \
--amount <HUMAN_READABLE_AMOUNT> \
[--slippage 0.5]
Returns: expected output amount, slippage_pct, minimum_received (= amount_out × (1 − slippage), your worst-case fill), price impact, fee, route path, and estimated energy cost. Default slippage is 0.5%; --slippage is validated to the 0–50% range (a larger value is rejected rather than producing a negative minimum_received). --amount must be a positive number. The same slippage parameter is also exposed on the MCP tron_swap_quote tool.
⚠️ Amount is human-readable — pass 100 for 100 TRX, NOT 100000000.
Example:
node "$TRON_API" swap-quote \
--from-token TRX \
--to-token TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t \
--amount 100
2. Best Route
node "$TRON_API" swap-route \
--from-token <FROM_CONTRACT> \
--to-token <TO_CONTRACT> \
--amount <AMOUNT>
Returns the same best-route data as swap-quote — this command is currently an alias of it. The chosen route, path, pool_versions, and price impact are already part of the swap-quote response; multi-hop paths (e.g. TRX → WTRX → USDT) appear in those fields when the router returns them.
3. Transaction Status
node "$TRON_API" tx-status --txid <TRANSACTION_HASH>
Returns: confirmation status, block number, energy used, bandwidth used, result.
DEX Router Addresses (Mainnet)
| DEX | Router Contract |
|---|
| SunSwap V2 Router | TKzxdSv2FZKQrEqkKVgp5DcwEXBEKMg2Ax |
| SunSwap V3 Router | TQAvWQpT9H916GckwWDJNhYZvQMkuRL7PN |
| Sun.io Swap | TKcEU8ekq2ZoFzLSGFYCUY6aocJBX9X31b |
Swap Cost Estimation
TRON swap costs differ from EVM chains:
| Operation | Bandwidth | Energy | TRX Burn (if no resources) |
|---|
| TRX → TRC-20 | ~345 | ~65,000 | ~6.5 TRX |
| TRC-20 → TRX | ~345 | ~50,000 | ~5 TRX |
| TRC-20 → TRC-20 | ~345 | ~130,000 | ~13 TRX |
| Approve (first time) | ~345 | ~30,000 | ~3 TRX |
⚠️ TRX-burn = energy × getEnergyFee ÷ 1e6. The figures above use the live fee ≈ 100 SUN (mid-2026); it was 420 SUN in 2023–2024 (~4.2× higher). Always check the current price:
node "$TRON_API" energy-price
Slippage Guide
| Token Type | Recommended Slippage |
|---|
| Stablecoins (USDT↔USDC) | 0.1% |
| Major tokens (TRX, JST, SUN) | 0.5% |
| Mid-cap tokens | 1-2% |
| Low-cap / Meme tokens | 3-5% |
| New launches | 5-10% (⚠️ high risk) |
Safety Checks Before Swap
- Security heuristic: Run
node "$TRON_API" token-security --contract <TOKEN> before trading unfamiliar tokens (first-pass risk snapshot, not a full audit)
- Liquidity check: Run
node "$TRON_API" pool-info --contract <TOKEN> — avoid tokens with < $10k liquidity
- Energy check: Run
node "$TRON_API" resource-info --address <YOUR_ADDRESS> — swap without energy burns TRX
- Price impact: If price impact > 3%, consider splitting into smaller trades
