mantis-lilac.vercel.app

{
  "name": "list_sessions",
  "kind": "answer",
  "impl": "imperative",
  "description": "List available Mantis debugging sessions with status and error counts. Use this to find the session to investigate.",
  "inputSchema": {
    "type": "object",
    "properties": {},
    "required": [],
    "additionalProperties": false
  }
}

{
  "name": "inspect_session",
  "kind": "act",
  "impl": "imperative",
  "description": "Return the ordered application events in a debugging session and focus that session in the Mantis UI.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "sessionId": {
        "type": "string",
        "description": "Session ID returned by list_sessions"
      }
    },
    "required": [
      "sessionId"
    ],
    "additionalProperties": false
  }
}

{
  "name": "find_errors",
  "kind": "answer",
  "impl": "imperative",
  "description": "Find console, network, state, and rendering failures in a trace session. Returns stable event IDs for deeper inspection.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "sessionId": {
        "type": "string"
      }
    },
    "required": [
      "sessionId"
    ],
    "additionalProperties": false
  }
}

{
  "name": "trace_request",
  "kind": "answer",
  "impl": "imperative",
  "description": "Trace what triggered a network request and every downstream application effect caused by its result.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "requestId": {
        "type": "string",
        "description": "Network request event ID"
      }
    },
    "required": [
      "requestId"
    ],
    "additionalProperties": false
  }
}

{
  "name": "explain_failure",
  "kind": "act",
  "impl": "imperative",
  "description": "Explain the root cause and causal chain of a failed session or error. Use this when the user asks why something failed.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "sessionId": {
        "type": "string",
        "description": "Failed debugging session ID"
      }
    },
    "required": [
      "sessionId"
    ],
    "additionalProperties": false
  }
}

{
  "name": "get_causal_chain",
  "kind": "answer",
  "impl": "imperative",
  "description": "Get upstream causes and downstream effects for any trace event, preserving execution order.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "eventId": {
        "type": "string"
      }
    },
    "required": [
      "eventId"
    ],
    "additionalProperties": false
  }
}

{
  "name": "filter_events",
  "kind": "act",
  "impl": "imperative",
  "description": "Filter trace events by source type across the active session and focus the matching events in the UI.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "type": {
        "type": "string",
        "enum": [
          "network",
          "console",
          "webmcp",
          "state",
          "render",
          "user"
        ]
      },
      "sessionId": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "additionalProperties": false
  }
}

{
  "name": "inspect_webmcp_call",
  "kind": "act",
  "impl": "imperative",
  "description": "Inspect a WebMCP tool invocation, including its agent caller, structured inputs, resulting request, and downstream effects.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "callId": {
        "type": "string"
      }
    },
    "required": [
      "callId"
    ],
    "additionalProperties": false
  }
}

{
  "name": "select_event",
  "kind": "act",
  "impl": "imperative",
  "description": "Open a trace event in the Mantis inspector so the developer is looking at the same event as the agent.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "eventId": {
        "type": "string",
        "description": "Event ID to open in the inspector"
      }
    },
    "required": [
      "eventId"
    ],
    "additionalProperties": false
  }
}

{
  "name": "set_source_filter",
  "kind": "act",
  "impl": "imperative",
  "description": "Set or clear the capture-source filter in the Mantis sidebar. Pass 'all' to clear the filter.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "type": {
        "type": "string",
        "enum": [
          "all",
          "network",
          "console",
          "webmcp",
          "state",
          "render",
          "user"
        ],
        "description": "Source to isolate, or 'all' to clear"
      }
    },
    "required": [
      "type"
    ],
    "additionalProperties": false
  }
}

{
  "name": "frame_trace",
  "kind": "act",
  "impl": "imperative",
  "description": "Fit the whole causal graph into view on the Mantis canvas, or restore the authored node layout.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "mode": {
        "type": "string",
        "enum": [
          "fit",
          "reset"
        ],
        "description": "'fit' scales to view; 'reset' restores the layout"
      }
    },
    "required": [
      "mode"
    ],
    "additionalProperties": false
  }
}

{
  "name": "replay_session",
  "kind": "act",
  "impl": "imperative",
  "description": "Step the Mantis canvas through a session's events in order so the developer can watch the failure unfold.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "sessionId": {
        "type": "string"
      }
    },
    "required": [
      "sessionId"
    ],
    "additionalProperties": false
  }
}

{
  "name": "search_traces",
  "kind": "answer",
  "impl": "declarative",
  "description": "Search Mantis debugging sessions by name or session ID.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "query": {
        "type": "string",
        "description": "Search traces"
      }
    }
  }
}