{"name":"WebSocket Session Manager API","description":"Stateful WebSocket session registry with per-connection Shannon entropy delta tracking for schema divergence detection in agentic workflows.","url":"https://npm-package-ws-has-241560546-w-production.up.railway.app","version":"1.0.0","documentationUrl":"https://npm-package-ws-has-241560546-w-production.up.railway.app/docs","provider":{"organization":"nexus-mcp-infra","url":"https://github.com/nexus-mcp-infra/npm-package-ws-has-241560546-weekly-downloads-but-sdk"},"capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false},"defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"additionalInterfaces":[{"url":"https://npm-package-ws-has-241560546-w-production.up.railway.app/mcp","transport":"MCP"}],"skills":[{"id":"nexus_npm_package_ws_has_241560546_weekly_down_open_websocket_session","name":"Open WebSocket Session","description":"Establishes a persistent WebSocket connection to a target URL and registers it in the stateful session registry. Returns a session_id for all subsequent operations. Do NOT use to reconnect an already-open session -- call close_websocket_session first.","tags":["websocket","session-management"]},{"id":"nexus_npm_package_ws_has_241560546_weekly_down_send_typed_ws_frame","name":"Send Typed WebSocket Frame","description":"Sends a single text or binary frame over an open session and returns the frame's Shannon entropy delta relative to the session baseline. Do NOT use to send a sequence of frames in bulk -- call this tool once per frame.","tags":["websocket","entropy"]},{"id":"nexus_npm_package_ws_has_241560546_weekly_down_drain_ws_frame_buffer","name":"Drain WebSocket Frame Buffer","description":"Returns up to max_frames buffered inbound frames received since the last drain (or session open), each annotated with its Shannon entropy delta and schema validation result. Do NOT use as a real-time streaming mechanism -- it returns only frames already buffered.","tags":["websocket","polling"]},{"id":"nexus_npm_package_ws_has_241560546_weekly_down_inspect_ws_session_telemetry","name":"Inspect WebSocket Session Telemetry","description":"Returns real-time telemetry for a session: connection state, frame counts, cumulative and rolling Shannon entropy statistics, schema violation rate, and uptime. Do NOT use as the primary liveness check in a tight loop.","tags":["websocket","telemetry"]},{"id":"nexus_npm_package_ws_has_241560546_weekly_down_close_websocket_session","name":"Close WebSocket Session","description":"Sends a WebSocket close frame with the specified status code, waits for the server close handshake, and removes the session from the registry. Do NOT use to temporarily pause a session -- the session_id is permanently deallocated after this call.","tags":["websocket","session-management"]}],"metadata":{"protocol_note":"This service implements the Model Context Protocol (MCP) at /mcp, not A2A's own JSONRPC/gRPC/HTTP+JSON task methods (message/send, tasks/get, etc.). This Agent Card is provided for discovery/indexing purposes; A2A-conformant task orchestration is not implemented. No API key is required by this asset. See payment_info below for the per-route x402 payment status.","_NEXUS_AGENT_CARD_PAYMENT_INFO":true,"payment_info":{"POST /ws-sessions/open":{"payment_required":true,"scheme":"x402","amount":"$0.01","asset":"USDC","network":"eip155:84532","note":"Opens a new managed WebSocket session; the 4 operations below act on an already-open session and are not separately charged."},"POST /ws-sessions/{session_id}/send-frame":{"payment_required":false},"POST /ws-sessions/{session_id}/drain-frames":{"payment_required":false},"POST /ws-sessions/{session_id}/telemetry":{"payment_required":false},"POST /ws-sessions/{session_id}/close":{"payment_required":false}}}}