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          "message": "Bad Request: Unsupported protocol version: 1999-99-99 (supported versions: 2025-11-25, 2025-06-18, 2025-03-26, 2024-11-05, 2024-10-07)"
        },
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      "delete_status_code": 405,
      "expired_session_error": null,
      "expired_session_status_code": 200,
      "issues": [
        "missing_protocol_header",
        "delete_session_unexpected",
        "expired_session_not_404"
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      "protocol_header_present": false,
      "requested_protocol_version": "2025-03-26",
      "session_id_present": true,
      "transport": "streamable-http"
    }
  },
  "remote_url": "https://mcp.exa.ai/mcp",
  "server_card_payload": null,
  "server_identifier": "ai.exa/exa"
}