bankrbot/symbiosis
symbiosis/SKILL.md
Cross-chain token swaps across 54+ blockchains via Symbiosis protocol. Use when the user wants to swap or bridge tokens between any chains — Base, Ethereum, Polygon, Arbitrum, Optimism, BNB Chain, Avalanche, Solana, Bitcoin, TON, Tron, and 40+ more. Supports any-to-any token swaps with automatic routing. Uses Bankr Submit API to execute transactions.
$ install --global
skillsauthnpx skillsauth add bankrbot/openclaw-skills symbiosisInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
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TrivyContainer and dependency vulnerability scanner
95%
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SemgrepStatic code analysis for vulnerabilities
95%
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mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
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Socket.devSupply chain security analysis
50%
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VirusTotalMulti-engine malware detection
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CrowdStrikeAdvanced threat intelligence
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OSV-ScannerOpen Source Vulnerability database check
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OWASP Dep-Check
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Last scanned: Apr 22, 2026, 8:49 AM285.7s5 files scanned
SKILL.md
- name:
- symbiosis
- description:
- Cross-chain token swaps across 54+ blockchains via Symbiosis protocol. Use when the user wants to swap or bridge tokens between any chains — Base, Ethereum, Polygon, Arbitrum, Optimism, BNB Chain, Avalanche, Solana, Bitcoin, TON, Tron, and 40+ more. Supports any-to-any token swaps with automatic routing. Uses Bankr Submit API to execute transactions.
- "emoji":
- 🔀",
- "homepage":
- https://symbiosis.finance",
- "requires":
- { "bins": ["python3", "bankr"] },
Symbiosis
Cross-chain token swaps across 54+ blockchains. Swap any token on any chain to any token on any other chain.
When To Use
Use Symbiosis when the user wants to:
- Bridge or swap tokens between different chains (e.g., USDC from Base to Polygon, ETH from Ethereum to Arbitrum)
- Access chains beyond Bankr's native 5 (Arbitrum, Optimism, BNB Chain, Avalanche, zkSync, Linea, Scroll, Mantle, Blast, and 40+ more)
- Swap to/from Bitcoin, TON, or Tron
- Get a cross-chain quote without executing
Quick Start
Get a Quote
How much USDC will I get on Polygon if I bridge 10 USDC from Base?
Run the quote script:
scripts/symbiosis-quote.py 8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 6 10 137 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 6
Execute a Swap
Bridge 2 USDC from Base to Polygon using Symbiosis
Run the swap script:
scripts/symbiosis-swap.py 8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 6 2 137 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 6
Script Usage
symbiosis-swap.py
Executes a full cross-chain swap: gets quote from Symbiosis API, approves token if needed, submits swap transaction via Bankr Submit API.
scripts/symbiosis-swap.py <src_chain_id> <src_token_address> <src_decimals> <amount> <dst_chain_id> <dst_token_address> <dst_decimals> [slippage]
amount— human-readable (e.g., "2" for 2 USDC, "0.1" for 0.1 ETH)slippage— optional, in basis points (default: 200 = 2%)- Reads Bankr API key from
~/.bankr/config.json - Automatically gets wallet address from Bankr
- Outputs transaction hash and Explorer tracking link
symbiosis-quote.py
Gets a quote without executing. Same arguments, no slippage parameter.
scripts/symbiosis-quote.py <src_chain_id> <src_token_address> <src_decimals> <amount> <dst_chain_id> <dst_token_address> <dst_decimals>
Common Chains and Tokens
Bankr Wallet Chains
| Chain | ID | USDC Address | USDC Dec | |-------|----|-------------|----------| | Base | 8453 | 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | 6 | | Ethereum | 1 | 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 | 6 | | Polygon | 137 | 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 | 6 |
Additional Chains via Symbiosis
| Chain | ID | USDC Address | USDC Dec | |-------|----|-------------|----------| | Arbitrum | 42161 | 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 | 6 | | Optimism | 10 | 0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85 | 6 | | BNB Chain | 56 | 0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d | 18 | | Avalanche | 43114 | 0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E | 6 |
Native Tokens
Use 0x0000000000000000000000000000000000000000 as address for native gas tokens (ETH, POL, BNB, AVAX, etc.).
Reference: references/chains-and-tokens.md for the full list.
Examples
EVM to EVM
# 5 USDC: Base -> Arbitrum
scripts/symbiosis-swap.py 8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 6 5 42161 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 6
# 0.01 ETH: Ethereum -> Base
scripts/symbiosis-swap.py 1 0x0000000000000000000000000000000000000000 18 0.01 8453 0x0000000000000000000000000000000000000000 18
# 10 USDC: Polygon -> BNB Chain
scripts/symbiosis-swap.py 137 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 6 10 56 0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d 18
# 0.5 ETH: Base -> Optimism
scripts/symbiosis-swap.py 8453 0x0000000000000000000000000000000000000000 18 0.5 10 0x0000000000000000000000000000000000000000 18
Cross-ecosystem (Symbiosis-only routes)
# 10 USDC: Base -> Solana
# Note: Solana chain ID in Symbiosis is 5426
# Solana USDC: EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (but use Symbiosis synthetic address)
scripts/symbiosis-swap.py 8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 6 10 5426 0x0000000000000000000000000000000000000000 9
Prompt Examples
Users might say:
- "Bridge 5 USDC from Base to Arbitrum"
- "Swap 0.1 ETH from Ethereum to Polygon"
- "Move my USDC from Base to Optimism"
- "How much will I get if I bridge 100 USDC from Base to Avalanche?"
- "Cross-chain swap 50 USDC from Polygon to BNB Chain"
- "Bridge ETH from Base to Solana"
For each request: identify source chain + token, destination chain + token, look up chain IDs and token addresses from the tables above, and run the appropriate script.
How It Works
- Quote: Script calls Symbiosis API (
POST /crosschain/v1/swap) with token details and wallet address - Approve: If source token needs approval, script submits an ERC20 approve transaction via
POST https://api.bankr.bot/agent/submit - Swap: Script submits the swap transaction via
POST https://api.bankr.bot/agent/submit - Track: Returns an Explorer link for cross-chain status tracking
All transactions are submitted through the Bankr Submit API using the user's Bankr wallet. No additional wallets or keys needed.
Resources
- Explorer: https://explorer.symbiosis.finance
- Website: https://symbiosis.finance
- API Docs: references/api-reference.md
- Chains & Tokens: references/chains-and-tokens.md
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