Free MCP server for AI agents: 90+ Bitcoin on-chain metrics via Model Context Protocol. Works with Claude, Cursor and any MCP client — no key required.
POST https://kotecharts.com/api/v1/mcp — Model Context Protocol, Streamable HTTP (stateless JSON). Works without authentication (60 requests/minute per IP); optional free API key via Authorization: Bearer kote_... for 3 requests/second. Requests must send Accept: application/json, text/event-stream.
list_charts (query?), describe_chart (id), get_chart (id, from?, to?, granularity?, maxPoints?), get_latest (id).