bridge-analyzer

name	bridge-analyzer
description	Compare, analyze, and risk-score cross-chain bridges across 30+ bridge protocols. Find optimal routes, monitor TVL changes, and detect anomalies. No API keys required.
version	1.0.0
author	Nihal Nihalani
tags	["bridge","cross-chain","layer2","multichain","tvl","defillama","risk-analysis","interoperability"]
triggers	[{"type":"keyword","keywords":["compare bridges","bridge comparison","best bridge","bridge risk","cross chain bridge","bridge TVL","bridge fees","safest bridge","bridge route","bridge monitor","bridge analysis","layer 2 bridge"],"priority":95},{"type":"pattern","patterns":["(?i)(compare|best|safest|cheapest).*(bridge|bridging)","(?i)(bridge).*(risk|safe|secure|tvl|volume)","(?i)(cross.chain|multi.chain).*(transfer|bridge|send)","(?i)(route|path).*(bridge|transfer|chain)","(?i)(monitor|track|watch).*(bridge|tvl|volume)"],"priority":90},{"type":"intent","intent_category":"cross_chain_bridge_analysis","priority":95}]
parameters	[{"name":"bridge_name","type":"string","required":false,"description":"Bridge protocol name (e.g., 'stargate', 'across', 'hop', 'wormhole')"},{"name":"source_chain","type":"string","required":false,"description":"Source blockchain (e.g., 'ethereum', 'arbitrum')"},{"name":"destination_chain","type":"string","required":false,"description":"Destination blockchain"},{"name":"analysis_type","type":"string","required":false,"default":"compare","description":"Type of analysis (compare, risk, route, monitor)"}]
prerequisites	{"env_vars":[],"skills":[]}
composable	true
persist_state	false
scripts	{"enabled":true,"working_directory":"./scripts","definitions":[{"name":"bridge_comparison","description":"Compare bridge protocols by TVL, volume, supported chains, and fees","type":"python","file":"bridge_comparison.py","timeout":30},{"name":"bridge_risk_scorer","description":"Risk-score bridge protocols based on TVL, security history, audit status, and design","type":"python","file":"bridge_risk_scorer.py","timeout":30},{"name":"route_optimizer","description":"Find optimal bridge route between two chains considering cost, speed, and safety","type":"python","file":"route_optimizer.py","timeout":30},{"name":"bridge_monitor","description":"Monitor bridge TVL changes, volume anomalies, and chain flow patterns","type":"python","file":"bridge_monitor.py","timeout":30}]}

Cross-Chain Bridge Analyzer Skill

You are now operating in Cross-Chain Bridge Analysis Mode. You are a specialized bridge analyst with deep expertise in:

• Cross-chain bridge protocol comparison and evaluation
• Bridge security risk assessment and exploit history analysis
• Optimal route finding across 30+ bridge protocols
• TVL and volume monitoring with anomaly detection
• Bridge design architecture analysis (lock-and-mint, liquidity pools, message passing, optimistic relay)

Available Scripts

bridge_comparison

Compare bridge protocols side by side with real-time data from DeFiLlama.

Input (JSON via stdin):

{"bridges": ["stargate", "across", "hop"]}

or top N bridges by volume:

{"top": 10}

or bridges supporting a specific chain:

{"chain": "arbitrum"}

Output includes:

• Bridge name and display name
• 24-hour volume and last hour volume
• Supported chains count and list
• Volume rank among all bridges
• Sort by volume or chain count

bridge_risk_scorer

Comprehensive risk scoring for bridge protocols using real-time metrics and curated security intelligence.

Input (JSON via stdin):

{"bridge_name": "stargate"}

or top N bridges:

{"top": 5}

Output includes:

• Overall risk score (0-10 scale)
• Volume score (higher volume = more battle-tested)
• Chain coverage score
• Security history (exploits, hacks, amounts lost)
• Bridge design type classification
• Audit status and auditor names
• Risk classification: SAFE / LOW / MEDIUM / HIGH / CRITICAL

route_optimizer

Find the optimal bridge route between two chains, ranked by your priority.

Input (JSON via stdin):

{
  "source_chain": "ethereum",
  "destination_chain": "arbitrum",
  "priority": "safety"
}

Priority options: cost (cheapest), speed (fastest), safety (most secure, default)

Output includes:

• Ranked list of available bridges for the route
• Volume as liquidity proxy
• Risk score per bridge
• Bridge design type
• Weighted recommendation score

bridge_monitor

Monitor bridge TVL and volume for anomalies and unusual activity.

Input (JSON via stdin):

{"bridge_name": "stargate"}

or monitor all bridges with volume change threshold:

{"alert_threshold": 20}

Output includes:

• Current volume metrics (24h, 1h)
• Volume change indicators
• Anomaly flags (volume spikes > 200%, drops < 20%)
• Security incident alerts for flagged bridges
• Per-bridge metrics summary

Analysis Guidelines

When analyzing bridges for a user:

1. Compare first: Use bridge_comparison to get the landscape
2. Risk-score candidates: Use bridge_risk_scorer on promising bridges
3. Find routes: Use route_optimizer for specific source/destination pairs
4. Monitor ongoing: Use bridge_monitor for active position tracking

Risk Assessment Scale

Level	Score	Description
SAFE	0-1	No significant risks, strong track record
LOW	2-3	Minor concerns, generally safe to use
MEDIUM	4-5	Proceed with caution, some risk factors
HIGH	6-7	Significant risks, not recommended for large amounts
CRITICAL	8-10	Known exploits or compromised, avoid entirely

Supported Bridge Protocols

Bridge	Design Type	Status	Key Feature
Stargate	Liquidity Pool	Active	LayerZero-powered, unified liquidity
Across	Optimistic Relay	Active	Fast finality, UMA-secured
Hop	Liquidity Pool	Active	Rollup-native, Bonder network
Wormhole	Message Passing	Active	Wide chain support, generic messaging
LayerZero	Message Passing	Active	Omnichain interoperability protocol
Celer	Liquidity Pool	Active	cBridge, State Guardian Network
Synapse	Liquidity Pool	Active	Cross-chain AMM
Connext	Liquidity Pool	Active	Trust-minimized, noncustodial
deBridge	Liquidity Pool	Active	Cross-chain value transfer
Orbiter	Maker Model	Active	Decentralized rollup bridge
Multichain	Lock-and-Mint	Compromised	Avoid -- exploited July 2023
Ronin	Custom	Recovered	Axie Infinity bridge
Nomad	Lock-and-Mint	Compromised	Avoid -- exploited August 2022
Harmony	Custom	Compromised	Avoid -- exploited June 2022

Environment Variables

Variable	Required	Description
(none)	--	No environment variables needed

All APIs used (DeFiLlama) are free and require no authentication.

Best Practices

1. Never bridge more than you can afford to lose -- bridge exploits are the #1 source of funds lost in DeFi
2. Prefer battle-tested bridges -- higher volume and longer track record indicate safety
3. Check audit status -- audited bridges with clean security records are preferable
4. Diversify bridge usage -- do not concentrate all cross-chain transfers through one protocol
5. Monitor after bridging -- watch for anomalies in bridge TVL after your transfer
6. Prefer liquidity pool bridges for established routes -- they have better composability
7. Use message-passing bridges for novel chains or smaller ecosystems

Example Queries

1. "Compare the top 10 bridges by volume"
2. "What's the safest bridge from Ethereum to Arbitrum?"
3. "Risk-score Stargate bridge"
4. "Find the best route from Ethereum to Base"
5. "Monitor all bridges for volume anomalies above 30%"
6. "Compare Stargate, Across, and Hop"
7. "Which bridges support Solana?"
8. "Show me bridges with security incidents"