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X-API-Key: ol_live_YOUR_KEY_HERE header. MCP clients use the same X-API-Key header, set once in the client's own config file.
pip install oxford-ledge-mcp
An API key is a long string (similar to a password) that authorises a program to use your AI account. You generate it on your provider's website — Claude, ChatGPT, or Gemini — then paste it here. When you sign in, we encrypt it on our servers so you only paste it once.
No, and this trips up a lot of people. ChatGPT Plus and the OpenAI API are billed separately — the API key comes from platform.openai.com, not your ChatGPT login. Same idea for Claude (the Anthropic console) and Gemini (Google AI Studio). The "Get key" links in Step 2 take you to the right page for each provider.
API usage is metered per-token (a token is roughly 0.75 of a word). A typical question costs a few cents on Claude or ChatGPT. Each provider's dashboard lets you set a hard spending cap so you never exceed your budget. If you'd rather not deal with billing, our free credits cover the same questions.