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If you are on Claude Code, both pieces install in two commands.

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1. Install the OpenFinance skills

Skills are recommended but optional. They teach the agent how to use the tools well.
npx skills add openfinance-tech/skills -y

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2. Add the MCP server

No key is needed for public market data: 
claude mcp add openfinance-tech \
  --transport http "https://api.openfinance.tech/agent/mcp"

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Want wallet-scoped tools too?

Add your API key as a header: 
claude mcp add openfinance-tech \
  --transport http "https://api.openfinance.tech/agent/mcp" \
  --header "x-api-key: open_xxxxx"
Restart Claude Code and you are done.

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Next steps

Skills vs MCP

Learn the difference between the two pieces.

API Keys

Understand when you need an API key.