{"id":32514441,"url":"https://github.com/dvisacker/multicall-decoder","last_synced_at":"2026-05-18T14:37:24.928Z","repository":{"id":319282492,"uuid":"1076123421","full_name":"Dvisacker/multicall-decoder","owner":"Dvisacker","description":null,"archived":false,"fork":false,"pushed_at":"2025-10-17T11:43:33.000Z","size":32,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":0,"default_branch":"master","last_synced_at":"2025-10-18T14:47:40.288Z","etag":null,"topics":["ethereum","evm","multicall"],"latest_commit_sha":null,"homepage":"","language":"TypeScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/Dvisacker.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null}},"created_at":"2025-10-14T12:40:11.000Z","updated_at":"2025-10-17T11:43:59.000Z","dependencies_parsed_at":null,"dependency_job_id":null,"html_url":"https://github.com/Dvisacker/multicall-decoder","commit_stats":null,"previous_names":["dvisacker/multicall-decoder"],"tags_count":null,"template":false,"template_full_name":null,"purl":"pkg:github/Dvisacker/multicall-decoder","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Dvisacker%2Fmulticall-decoder","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Dvisacker%2Fmulticall-decoder/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Dvisacker%2Fmulticall-decoder/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Dvisacker%2Fmulticall-decoder/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/Dvisacker","download_url":"https://codeload.github.com/Dvisacker/multicall-decoder/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Dvisacker%2Fmulticall-decoder/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":281361348,"owners_count":26487881,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","status":"online","status_checked_at":"2025-10-27T02:00:05.855Z","response_time":61,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["ethereum","evm","multicall"],"created_at":"2025-10-27T23:46:05.244Z","updated_at":"2025-10-27T23:46:08.708Z","avatar_url":"https://github.com/Dvisacker.png","language":"TypeScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Multicall Decoder\n\nA CLI tool and library to decode multicall transaction data. It fetches ABIs from Etherscan and falls back to the 4byte directory for signature lookups.\n\n## Features\n\n- Decodes multicall formats (Multicall2, Multicall3, tryAggregate, tryBlockAndAggregate)\n- Supports multiple networks (Ethereum, Polygon, Arbitrum, Optimism, Base) - untested\n- AI-powered explanations via Claude CLI\n\n## Installation\n\n```bash\nnpm install\nnpm run build\n```\n\nFor global installation:\n\n```bash\nnpm install -g .\n```\n\n## Usage\n\n### CLI Commands\n\n#### Decode Multicall Transaction Data\n\n```bash\n# Basic usage\nmulticall-decoder decode \u003cmulticall-data\u003e\n\n# With Etherscan API key\nmulticall-decoder decode \u003cmulticall-data\u003e --api-key YOUR_API_KEY\n\n# With different network\nmulticall-decoder decode \u003cmulticall-data\u003e --network polygon\n\n# Verbose output\nmulticall-decoder decode \u003cmulticall-data\u003e --verbose\n\n# JSON output\nmulticall-decoder decode \u003cmulticall-data\u003e --json\n\n# Get AI explanation using Claude CLI\nmulticall-decoder decode \u003cmulticall-data\u003e --explain\n\n# Combine options\nmulticall-decoder decode \u003cmulticall-data\u003e --verbose --explain --api-key YOUR_API_KEY\n```\n\n#### Decode Single Call\n\n```bash\n# Decode a single contract call\nmulticall-decoder decode-call \u003ccontract-address\u003e \u003ccall-data\u003e\n\n# With options\nmulticall-decoder decode-call \u003ccontract-address\u003e \u003ccall-data\u003e --api-key YOUR_API_KEY --network mainnet\n\n# With explanation\nmulticall-decoder decode-call \u003ccontract-address\u003e \u003ccall-data\u003e --explain\n```\n\n### Environment Variables\n\nYou can set the Etherscan API key as an environment variable:\n\n```bash\nexport ETHERSCAN_API_KEY=your_api_key_here\n```\n\n### CLI Options\n\n| Option | Description | Default |\n|--------|-------------|---------|\n| `-k, --api-key \u003ckey\u003e` | Etherscan API key | `ETHERSCAN_API_KEY` env var |\n| `-n, --network \u003cnetwork\u003e` | Network to use | `mainnet` |\n| `-v, --verbose` | Enable verbose output | `false` |\n| `-j, --json` | Output as JSON | `false` |\n| `-e, --explain` | Get AI explanation using Claude CLI | `false` |\n\n## Examples\n\n### Example 1: Decode Multicall3 Transaction\n\n```bash\nmulticall-decoder decode \"0x82ad56cb00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000002...\"\n```\n\n### Example 2: Get JSON Output\n\n```bash\nmulticall-decoder decode \u003cdata\u003e --json \u003e output.json\n```\n\n### Example 3: Get AI-Powered Explanation\n\n```bash\n# Requires Claude CLI to be installed and configured\nmulticall-decoder decode \u003cdata\u003e --explain\n\n# With verbose output to see contract names being fetched\nmulticall-decoder decode \u003cdata\u003e --explain --verbose\n```\n\nThe `--explain` flag uses the Claude CLI in pipe mode to provide:\n- Plain-language explanation of what the transaction does\n- Context about the contracts being called (fetched from Etherscan)\n- Breakdown of arguments and their purpose\n- Analysis of how calls work together\n\n## Development\n\n```bash\n# Install dependencies\nnpm install\n\n# Run in development mode\nnpm run dev decode \u003cdata\u003e\n\n# Build the project\nnpm run build\n\n# Run tests (if available)\nnpm test\n```\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdvisacker%2Fmulticall-decoder","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdvisacker%2Fmulticall-decoder","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdvisacker%2Fmulticall-decoder/lists"}