{"step":"MCP tools/call with channel token (when REQUIRE_AGENT_CHANNELS is enabled)","request":{"method":"POST","url":"https://api.techforagi.com/mcp","headers":{"Authorization":"Bearer tfagi_channel_test_..."},"body":{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"extract_document_basic","arguments":{"text":"hello@example.com"}}}}}