About

Imported from jeremylongshore/tons-of-skills-marketplace (plugins/crypto/cross-chain-bridge-monitor/skills/monitoring-cross-chain-bridges/SKILL.md). Install upstream with npx skills add jeremylongshore/tons-of-skills-marketplace --skill monitoring-cross-chain-bridges. Copyright stays with the author (MIT).

Cross-Chain Bridge Monitor

Name: monitoring-cross-chain-bridges
Author: jeremylongshore

Overview

Monitor cross-chain bridge activity across multiple protocols. Track TVL, compare fees and transfer times, and monitor transaction status for bridges like Stargate, Across, Wormhole, and LayerZero.

Prerequisites

Before using this skill, ensure you have:

Python 3.8+ with requests library
Internet access for DefiLlama and bridge APIs
Optional: Custom RPC URLs for on-chain verification

Commands

tvl - Bridge TVL Rankings

python bridge_monitor.py tvl --limit 20

Shows bridges ranked by Total Value Locked.

bridges - List All Bridges

python bridge_monitor.py bridges
python bridge_monitor.py bridges --chain arbitrum

Lists bridges by 24h volume with optional chain filter.

detail - Bridge Details

python bridge_monitor.py detail --bridge stargate

Shows detailed info including volume, chains, and TVL breakdown.

compare - Compare Routes

python bridge_monitor.py compare --source ethereum --dest arbitrum --amount 1000 --token USDC  # 1000: 1 second in ms

Compares fees and transfer times across bridges for a route.

tx - Track Transaction

python bridge_monitor.py tx --tx-hash 0x...
python bridge_monitor.py tx --tx-hash 0x... --bridge wormhole

Tracks bridge transaction status across protocols.

chains - List Chains

python bridge_monitor.py chains

Shows all supported chains.

protocols - List Protocols

python bridge_monitor.py protocols

Shows supported bridge protocols with their chains.

Instructions

Check bridge TVL rankings:

cd ${CLAUDE_SKILL_DIR}/scripts
python bridge_monitor.py tvl

Compare bridge routes before transferring:

python bridge_monitor.py compare -s ethereum -d base -a 5000 -t USDC  # 5000: bridge transfer amount in USD

Get bridge details for research:

python bridge_monitor.py detail --bridge across

Track a transaction:

python bridge_monitor.py tx --tx-hash 0x1234...

Export to JSON for analysis:

python bridge_monitor.py -f json bridges > bridges.json

Supported Bridges

Bridge	Type	Avg Time	Typical Fee
Wormhole	Messaging	~15 min	~0.1%
LayerZero	Messaging	~3 min	~0.06%
Stargate	Liquidity	~2 min	~0.06%
Across	Liquidity	~1 min	~0.04%

Supported Chains

Ethereum, BSC, Polygon, Arbitrum, Optimism
Base, Avalanche, Fantom, Solana (Wormhole)
45+ total chains via DefiLlama

Output

TVL rankings: Bridges sorted by locked value
Fee comparison: Side-by-side fee and time estimates
TX status: Source/destination confirmation status
JSON format: Structured data with -f json flag

Error Handling

See ${CLAUDE_SKILL_DIR}/references/errors.md for comprehensive error handling including:

API unavailability and fallback behavior
Transaction tracking edge cases
Rate limiting mitigation

Examples

See ${CLAUDE_SKILL_DIR}/references/examples.md for detailed examples including:

Finding best route for large transfers
Monitoring transactions after bridging
Research workflows for bridge safety

Resources

DefiLlama Bridges - Bridge TVL and volume
Wormhole Scan - Wormhole transaction explorer
LayerZero Scan - LayerZero message explorer
Across Protocol - Optimistic bridge

Use it

Copy one of these into your project. Installing also returns the manifest and these snippets.

yaml

targets:
  - https://api.opensmartroute.ai/api/v1/registry/jeremylongshore-tons-of-skills-marketplace-monitoring-cr-2727ca/manifest   # or paste the manifest below

Manifest

An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.

jeremylongshore-tons-of-skills-marketplace-monitoring-cr-2727ca.ocm.jsonjson

{
  "ocm": "1",
  "id": "jeremylongshore-tons-of-skills-marketplace-monitoring-cr-2727ca",
  "kind": "skill",
  "name": "monitoring-cross-chain-bridges",
  "description": "Monitor cross-chain bridge TVL, volume, fees, and transaction status across networks. Use when researching bridges, comparing routes, or tracking bridge transactions. Trigger with phrases like \"monitor bridges\", \"compare bridge fees\", \"track bridge tx\", \"bridge TVL\", or \"cross-chain transfer status\".",
  "publisher": "jeremylongshore",
  "version": "1.0.0",
  "capabilities": {
    "domains": [
      "general"
    ],
    "tags": [
      "skill-md",
      "crypto",
      "monitoring",
      "monitoring-cross",
      "skills-sh"
    ],
    "languages": [
      "en"
    ]
  },
  "quality_prior": 0.6,
  "examples": [
    "Monitor cross-chain bridge TVL, volume, fees, and transaction status across networks. Use when researching bridges, comparing routes, or tracking bridge transactions. Trigger with phrases like \"monitor bridges\", \"compare bridge fees\", \"track bridge tx\", \"bridge TVL\", or \"cross-chain transfer status\"."
  ],
  "primary": false,
  "metadata": {
    "source": {
      "provider": "skills.sh",
      "repository": "https://github.com/jeremylongshore/tons-of-skills-marketplace",
      "path": "plugins/crypto/cross-chain-bridge-monitor/skills/monitoring-cross-chain-bridges/SKILL.md",
      "ref": "HEAD",
      "url": "https://github.com/jeremylongshore/tons-of-skills-marketplace/blob/HEAD/plugins/crypto/cross-chain-bridge-monitor/skills/monitoring-cross-chain-bridges/SKILL.md",
      "key": "jeremylongshore/tons-of-skills-marketplace/plugins/crypto/cross-chain-bridge-monitor/skills/monitoring-cross-chain-bridges/SKILL.md"
    },
    "compatibility": "Designed for Claude Code",
    "allowed_tools": [
      "Read,",
      "Write,",
      "Edit,",
      "Grep,",
      "Glob,",
      "Bash(python:*bridge_monitor*)"
    ],
    "license": "MIT"
  },
  "instructions": "# Cross-Chain Bridge Monitor\n\n## Overview\n\nMonitor cross-chain bridge activity across multiple protocols. Track TVL, compare fees and transfer times, and monitor transaction status for bridges like Stargate, Across, Wormhole, and LayerZero.\n\n## Prerequisites\n\nBefore using this skill, ensure you have:\n\n- Python 3.8+ with `requests` library\n- Internet access for DefiLlama and bridge APIs\n- Optional: Custom RPC URLs for on-chain verification\n\n## Commands\n\n### tvl - Bridge TVL Rankings\n\n```bash\npython bridge_monitor.py tvl --limit 20\n```\n\nShows bridges ranked by Total Value Locked.\n\n### bridges - ",
  "cost": {
    "context_tokens": 905
  }
}

Fetch it by URL: GET /api/v1/registry/jeremylongshore-tons-of-skills-marketplace-monitoring-cr-2727ca/manifest?version=1.0.0

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