Guide for setting up a local Flow blockchain development environment from scratch. Covers installing and configuring the Flow CLI, emulator, Cadence MCP server, dev wallet, Cadence VS Code extension, testing framework, frontend SDKs (FCL/React), and EVM tooling (Hardhat/Foundry). Each tool has its own reference with self-contained install and setup instructions. TRIGGER when: setting up Flow development tools, installing Flow CLI, starting emulator for the first time, "how do I install flow", "set up my dev environment", "flow dev setup", "install flow-cli", "cadence extension", "set up emulator", "flow testing setup", "FCL install", "EVM on Flow", "Hardhat with Flow", "Foundry with Flow", "new to Flow development", "getting started with Flow", "cadence MCP", "set up MCP for Cadence", "flow mcp". DO NOT TRIGGER when: configuring flow.json or deployments (use flow-project-setup), writing Cadence code (use cadence-lang), querying on-chain data (use flow-cli-query), building token contracts (use cadence-tokens), auditing code (use cadence-audit).
How to install flow-dev-setup?
onflow/flow-ai-tools/flow-dev-setup
$npx -y skills add onflow/flow-ai-tools --skill flow-dev-setupInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/onflow/flow-ai-tools" --skill "onflow/flow-ai-tools/flow-dev-setup"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/onflow/flow-ai-tools" that are relevant to the current task. Run `npx skills add "https://github.com/onflow/flow-ai-tools"` and select the relevant skills, then follow their instructions.
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