Preparation for Experimental Apparatus and Site

After intensive construction, the technical renovation project of the Startorus Fusion experimental base has made phased progress, the experimental apparatus site has been basically completed, and the spherical Tokamak host and supporting equipment and spare parts have entered the site.

Installation of the Apparatus, Test of Vacuum, Measurement of the Position

The installation of SUNIST-2 apparatus was carried out smoothly and efficiently, as well as the installation of apparatus and magnet base, arrangement of vacuum chamber baking heating wire, test of vacuum, installation of the PF coil and position adjustment were completed successively, and the final assembly of the apparatus was successfully completed.

Assembly of TF Power Supply and Test of PF/CS Power Supply

With the completion of the host installation, it enters the stage of power supply assembly and commissioning, assembly of TF power supply and test of CS power supply are carried out simultaneously, the test of PF power supply has achieved outstanding results, and has the conditions for mass production and deployment.

Installation of Diagnostic Equipment, Installation of Auxiliary Facilities, Preparation for Discharge

After the installation of TF/CS/PF power supply bracket and the assembly of power supply, the SUNIST-2 power supply system developed by Startorus Fusion can be put into use and debugged with the coil. The magnetic diagnosis inside and outside the vacuum chamber, THz interferometer and optical test clean room are also deployed one after another, which prepares various conditions for the debugging of the first plasma experiment.

Test of Power Supply, Test of Subsystem and Joint Commissioning

According to the operation characteristics of the toroidal magnet, the modular design is adopted for the Startorus Fusion, and the energy storage, inverter and control circuits are integrated into a kA-level power supply module, which can achieve 100kA-level current output through array stacking. The power supply has a built-in perfect state monitoring system, complete protection measures, good current adjustment ability, and excellent scalability, which can quickly build other power supplies with various topologies and current levels based on the module.

Realization of Continuous Upgrade of the First Plasma and the Apparatus

SUNIST-2, designed by Tsinghua University and jointly constructed by Startorus Fusion and Tsinghua University, has been successfully operated recently, and has obtained 100 kiloamperes of plasma current, successfully achieving the initial goal.

Experimental Attempt at Reconnection Heating

Startorus Fusion and Tsinghua University team successfully realized double-ring plasma and magnetic reconnection heating on SUNIST-2 spherical tokamak, and preliminary observed significant plasma heating effect. new_line bold Installation of the First Wall and Deployment of Key Diagnostic Systems new_line After completing the design and installation of the first wall of graphite tile, the deployment and installation test of MC power supply, the debugging and installation of TS diagnostic system, and the offline test of advanced wall processing system, SUNIST-2 has high-parameter magnetic reconnection heating conditions, successfully realizes the double-ring plasma breakdown and magnetic reconnection compression experiment, and preliminary observes the remarkable.

Development of D-shaped High Temperature Superconducting Magnet Prototype

In cooperation with Tsinghua University, Startorus Fusion has successfully developed a prototype of D-shaped high temperature superconducting magnet by using the high temperature superconducting tape of Shanghai Superconductor Technology Co.,Ltd. to meet the needs of future fusion reactors. The highest field strength in the magnet is 18T, which is the highest field strength of D-shaped magnet reported publicly in China. The 18T field strength can fully meet the toroidal field strength requirements of the spherical Tokamak apparatus to achieve fusion conditions, and the successful operation of the magnet has laid a solid foundation for the design of the company’s next generation apparatus. new_line bold Realization of the Stable Operation of the First International Repeated Reconnection Technology Scheme new_line Startorus Fusion realizes the start of plasma heating by magnetic reconnection twice in a discharge cycle. The realization of magnetic reconnection heating and repeated reconnection indicates that the core operation scheme of SUNIST-2 apparatus jointly constructed by the company and Tsinghua University has been thoroughly engineered in the Startorus Fusion, and both active magnetic reconnection heating and repeated reconnection operation are the first time in China. At the same time, it lays a solid foundation for the successful operation of the next generation CTRFR-1 apparatus which meets the fusion conditions.

Startorus Fusion is about to start the construction of the negative triangular spherical tokamak NTST

After the initial engineering verification unit SUNIST-2 was successfully completed and put into operation, and met the main design indicators, Xinghuan Energy is about to start the construction of the Negative triangular Spherical Tokamak NTST (negative Triangularity Spherical Tokamak). This device is expected to become the world's first negative triangular spherical tokamak, or even the world's first negative triangular tokamak.

The Cooling Technology of 20K Cold Helium Gas Cycle Superconducting Magnet Is Mastered

Following the research and development independently of SH-150 Helmholtz superconducting magnet, Startors Fusion has recently mastered another cutting-edge technology-cold helium circulation system, which can provide a stable 20 K (-253.15℃) low temperature and large cooling capacity test environment for superconducting magnet. With this “super refrigerator”, high temperature superconducting materials can enter the superconducting state steadily. This means that a relatively mature high-temperature superconducting magnet coil test platform has been built with the help of this test platform, which will rapidly promote the engineering verification of large-scale high temperature superconducting magnets!

Achieved significant advancements in high-temperature superconducting (HTS) magnet technology.

Startorus Fusion continues to invest in the high-temperature superconducting (HTS) direction, achieving significant progress in HTS magnet scheme design and multi-physics coupling simulation, D-shaped magnet fabrication processes and experimental testing, as well as the development of high-current current lead joints.

SUNIST-2 device pushes the limits toward highest parameters.

Following lithium wall conditioning in the vacuum chamber, a high vacuum condition was achieved, enabling the SUNIST-2 device to push toward its highest parameters with a plasma current approaching 500 kA. Utilizing independently developed control system hardware and feedback algorithms, SUNIST-2 achieved a long-pulse flat-top discharge lasting 200 ms for the first time, demonstrating its capability as a high-level plasma experimental platform.

EPIC has undergone four generations of upgrades and iterations and is now newly launched

EPIC's fourth generation has achieved high-precision data acquisition at the microvolt level, featuring 16 data acquisition channels. It can simultaneously collect voltage, temperature, Hall signals, strain, and 4-20mA current signals. new_line bold LIBS enables the identification of 304 and 316 stainless steel, which will expand alloy detection and optimize portability new_line Under certain experimental conditions, Startorus Fusion has achieved the identification of 304 and 316 stainless steel within the visible light range of 400-700nm. It will continue to iterate and optimize towards portable products in the future

The full-size high-temperature superconducting coil of Startorus Fusion has completed the full-process technology verification

The full-size high-temperature superconducting TF coil and CS coil independently developed by Startorus Fusion successfully completed a series of key tests in a liquid nitrogen cooling environment, covering core test items such as rated current, ultimate current, overcurrent loss and overcurrent loss, and undercooling and overcurrent loss. Test data shows that the coil performs exceptionally well in key indicators such as current-carrying capacity, stability under extreme working conditions, and self-protection capability in case of failure, meeting the expected design standards. This marks an important progress for Star Ring Energy in the development of fusion-grade device magnets. Next, Star Ring Energy will further carry out 20 K low-temperature tests and other work, taking a crucial step towards the rapid and economical realization of fusion energy.

Startorus Fusion has made significant progress in the fields of high-field side feeding, plasma control, and the integration of "AI+ nuclear fusion" technologies

Startorus Fusion has initially mastered the high-field side feeding technology. The compact ultrasonic molecular beam intake valve independently developed by it can adapt to the narrow high-field side space of spherical tokamaks, increasing the plasma feeding efficiency by three times compared to the original. Meanwhile, this technology, in combination with PCS configuration control, has successfully achieved rapid feedforward density control. new_line Startorus Fusion has made significant progress in the field of plasma magnetic confinement control technology. Currently, it has initially acquired isoflux control capabilities, significantly enhancing the precision of plasma shape control and achieving a leap from 0-dimensional global parameter control to 1-dimensional fine distributed control. This provides key technical support for the high-performance operation of future fusion reactors. new_line The intelligent monitoring system for plasma diagnostic data developed by Transwarp Energy, relying on a neural network model constructed with deep learning algorithms, has achieved real-time automated monitoring and early warning of abnormal data. This achievement marks a further breakthrough for Starring Energy in the field of "AI + nuclear fusion" technology integration, providing strong support for the stable operation of controllable nuclear fusion devices.

Startorus Fusion, in collaboration with Tsinghua University, has pioneered the world’s first Double-Ring Local Helicity Injection (DLHI) technology, advancing Merging Compression (MC) startup

Startorus Fusion, in collaboration with Tsinghua University, has pioneered the world’s first Double-Ring Local Helicity Injection (DLHI) operation technology. By utilizing injection currents of 2 kA from each of the two plasma guns, it successfully drove a double-ring plasma with a total current of 50 kA. This technology was jointly proposed by Startorus Fusion and Tsinghua University and achieved for the first time internationally. It helps reduce the reliance on central solenoids during the operation of spherical tokamaks and further enhances the performance of spherical tokamaks. Additionally, this technology addresses the long-standing issue of plasma gun arcing in spherical tokamak devices—a problem unresolved in similar international devices—thereby expanding the application scope of plasma guns and significantly increasing their driving potential. Moreover, the successful coupling of DLHI with Merging Compression (MC) startup stably forms the initial configuration of double-ring plasma, effectively reduces the volt-second consumption during the MC startup process, increases the plasma current during MC startup, and contributes to further improving various parameters in the double-ring startup of tokamaks.

Under high magnetic field conditions (0.4–0.8 T), this technology also validated two current-driving scales of Local Helicity Injection (LHI) : it not only verified the current-driving scale derived from helicity conservation, confirming the results from similar international devices and proving theoretical reliability, but also further validated the current-driving scale derived from Taylor relaxation theory. This enhances the experimental verification of helicity injection theory and demonstrates the advanced nature of this operational mode.

The NTST toroidal field coil prototype (TF0#) has successfully completed all performance tests, and the construction of the NTST device is advancing at full speed.

Startorus Fusion has achieved a major milestone in the development of China's first Negative Triangularity Spherical Tokamak (NTST) device—TF0#, one of its core components and the first full‑scale prototype cryogenic copper conductor coil for NTST, has successfully passed comprehensive performance tests. These tests covered dimensional accuracy, electrical performance, magnetic permeability, cryogenic adaptability, thermal load, and deformation. Following its successful delivery, this accomplishment signals a crucial step forward in the construction of the NTST device.new_lineAs a prototype toroidal field coil for NTST, TF0# not only needs to generate a quasi-stationary strong magnetic field but also must overcome complex stress challenges—such as twisting, compression, and contraction—in a confined space. It also addresses key manufacturing challenges, including magnet winding, coil case welding, permeability control, epoxy impregnation, joint sealing, and dimensional precision.nwe_lineUnder rigorous simulated operating conditions, TF0# demonstrated outstanding performance across all measured parameters, meeting or exceeding design expectations. Moreover, in a cryogenic environment, the coil's resistance decreased by approximately 87%, and its current-carrying capacity is projected to more than double compared to that under room-temperature conditions. This fully validates the engineering potential of cryogenic copper conductor magnets.new_lineThe successful delivery of this prototype has established a reliable process foundation for the subsequent batch production of NTST’s toroidal field coils. It will also significantly accelerate the overall construction progress of NTST, providing a solid guarantee for completing the manufacturing, assembly, and commissioning of the NTST device by 2026.

Startorus Fusion officially launched its independently developed data acquisition device, CoaxLink Nano. This product, benchmarked against international brands, has made a breakthrough in the domestic replacement field.

Startorus Fusion officially launched its independently developed high-speed, precision-synchronous data acquisition device — CoaxLink Nano. The product is benchmarked against the internationally renowned D-TACQ ACQ424ELF series and is designed for cutting-edge applications such as controlled nuclear fusion and high-temperature superconducting magnet monitoring, achieving comprehensive superiority in multiple technical specifications.new_line Integrated Architecture, Performance Breakthrough. CoaxLink Nano adopts an innovative integrated architecture, combining the analog front-end, ADC conversion, and buffered UDP data transmission within a miniature metal enclosure measuring just 80×50×30 mm, dramatically reducing its footprint compared to similar products. It delivers a sampling rate of 2 MS/s — double that of the benchmark — while maintaining 16-bit resolution, yielding higher throughput without compromising precision. Flexible acquisition modes are available, with the sampling rate adjustable from 1 kS/s to 2 MS/s in 1 kS/s steps. A built-in web management interface supports remote configuration, status monitoring, and online firmware upgrades.new_line Local Deployment, On-Site Digitization, Significantly Enhanced SNR. Deployable right at the sensor, CoaxLink Nano digitizes analog signals on site, eliminating long-distance analog transmission and complex signal conditioning, thereby fundamentally improving the signal-to-noise ratio and anti-interference performance. In addition, the device provides high-isolation protection rated at 3 kVDC for 1 minute, and its independent power and acquisition interfaces create inherent channel-to-channel isolation, effectively preventing crosstalk and ensuring the accuracy and consistency of multi-channel data.new_lineHigh-Precision Synchronization. The device supports the IEEE 1588 PTP V2 protocol, achieving inter-device synchronization accuracy of 300 nanoseconds and providing a reliable time base for large-scale distributed experimental systems.new_line One-Cable Connectivity. By adopting standard PoE power delivery, the device carries both data and power over a single Ethernet cable, drastically simplifying on-site deployment — particularly in environments with limited space or challenging cabling conditions. new_line The product is well suited for applications including nuclear fusion plasma diagnostics, superconducting magnet monitoring, industrial automation testing, and vibration analysis. Its successful development will provide domestic research institutes and industrial enterprises with superior, more cost-effective data acquisition solutions, bolstering independent innovation and industrial advancement in high-end equipment manufacturing.

The full-size TFMC high-temperature superconducting magnet has been successfully installed in a V5500 Dewar, and the CTRFR-1 magnet core system has entered the critical stage of 20K cryogenic testing.

Startorus Fusion's self-developed full-scale high-temperature superconducting TFMC (Toroidal Field Model Coil) magnet has been successfully integrated into the V5500 Dewar, signifying that the core toroidal field magnet system for the CTRFR-1 compact fusion device has formally entered the 20K cryogenic performance testing phase. This is a crucial step for our company's compact fusion magnet technology from research and development verification to engineering application.new_line The TFMC magnet consists of two full-scale high-temperature superconducting double-pancake coils and serves as the core magnetic component of the CTRFR-1 device's full-scale engineering prototype. Unlike the reduced-scale proof-of-principle coils previously reported, the TFMC is a true full-size engineering magnet, with a maximum dimension of 4 meters. It is a fusion-reactor-level full-size component (not a scaled model), and is the world's first high-temperature superconducting toroidal field magnet designed specifically for a spherical tokamak.new_line Distinct from high-temperature superconducting magnets for conventional tokamak configurations, spherical tokamaks demand engineering current densities that are several times higher due to their extremely compressed central column space. The TFMC has been designed and manufactured entirely to meet this extreme engineering requirement, presenting technical challenges significantly greater than those for conventional configurations. The entire process—from design and manufacturing to testing—has been independently completed by the Startorus Fusion team, demonstrating deep integration of large-scale engineering capabilities with a fully self-developed technological system, and showcasing the company's breakthrough capabilities in large-scale engineering for core magnetic systems in compact fusion devices.new_line The magnet's design parameters, manufacturing processes, and testing protocols are all oriented towards the ultimate application goal: future commercial fusion reactors. This means that the core magnet system of the CTRFR-1 device has entered the stage of cryogenic practical verification.It will provide key data support for the subsequent integrated operation of the device and also provide important practical experience for the engineering advancement of our company's compact fusion energy technology. new_line

Human–AI Collaboration: AI Agents Integrated into Fusion R&D Workflows, Advancing Diagnostic Signal Anomaly Detection

Startorus Fusion R&D team integrated AI Agent–driven collaboration into the diagnostic signal processing workflow. Through efficient collaboration between carbon-based and silicon-based employees, the team replaced the conventional “train-from-scratch” neural network development paradigm. For three key tasks—magnetic probe signal reconstruction, AXUV anomaly detection, and IDS anomaly detection—development was completed in about one week (34 hours), compared with a previous cycle of roughly 200 hours, resulting in an overall efficiency gain of approximately 6×. new_line In terms of performance, magnetic probe signal reconstruction achieved an R² of approximately 0.97, delivering results broadly on par with conventional neural network methods. AXUV anomaly detection accuracy improved from roughly 86% to 98%, while IDS anomaly detection reached near-perfect accuracy, approaching 100%. new_line By combining physically grounded criteria and domain workflows defined by engineers with AI Agent–driven code generation and iterative optimization, this approach establishes a new R&D paradigm focused on rapid validation and model interpretability. Without requiring large-scale historical training datasets, it significantly accelerates diagnostic signal processing and has already been deployed in operational scenarios, including AXUV anomaly detection. The results validate the feasibility of domain expert + AI Agent collaborative development for fusion diagnostic signal processing, demonstrating tangible engineering and deployment value. new_line The following three comparison figures offer an intuitive view of how the two approaches differ in their outputs when applied to the same experimental dataset. new_line Figure 1 presents two experimental signals as examples to compare the two approaches. The upper subplot corresponds to the normal signal of Channel 7 in shot 260207066, while the lower subplot shows the anomalous signal of Channel 13 from the same shot. The light red shaded regions indicate intervals classified as anomalous, the blue curves represent the neural network model results, and the orange curves represent the AI Agent results. The comparison shows that, in the AXUV anomaly detection task, the AI Agent approach produces results highly consistent with those of the neural network model, accurately identifying both normal and anomalous channels. Moreover, it achieves higher overall detection accuracy, demonstrating strong effectiveness and reliability.

Figure 2 shows signal distributions for Channel 3 and Channel 32 in shot 260317048, displayed in the upper and lower subplots, respectively. The red curves represent the AI Agent detection results, while the blue curves correspond to the neural network model outputs. In the IDS anomaly detection task, the AI Agent and neural network approaches exhibit a high degree of consistency, both accurately identifying anomalous features with detection accuracy approaching 100%. These results validate the stability and engineering feasibility of the AI Agent approach in IDS anomaly detection scenarios.

Figure 3 presents prediction results for Magnetic Probe No. 32 and No. 38 in shot 251203024, shown in the upper and lower subplots, respectively. The orange curves indicate the AI Agent reconstruction results, while the green curves represent the neural network model outputs. As shown in the figure, for both probes in shot 251203024, the two methods accurately recover the signal variation trends and produce highly consistent predictions, with R² values exceeding 95%. These results demonstrate the effectiveness of the AI Agent approach and show that, even without complex training procedures, it can achieve performance comparable to that of neural network models.

NTST Magnet Power Supplies Fully Transition into Engineering Delivery Phase

The magnet power supplies for the NTST facility leverage proprietary general-purpose pulse power supplies developed by Startorus Fusion. Featuring a modular design, these supplies can be flexibly configured in series and parallel combinations as building blocks to simultaneously drive the PF, CS, and TF magnets. new_line Engineering Breakthrough: Transitioning from Prototype to Volume Production. The official kickoff of volume production for the NTST magnet power supplies marks a full-scale transition from prototype R&D to engineering delivery. new_line Process Stabilization: Full Validation Through Mass Production. To support high-standard mass production, the team successfully validated manufacturing processes across the complete line—from PCBA assembly and final assembly to comprehensive testing. Standard Operating Procedures (SOPs) covering manufacturing, assembly, and testing have been compiled to achieve standardized, normalized, and highly efficient production. Furthermore, proprietary automated test fixtures with quick-plug interfaces and parallel testing capabilities have been deployed, significantly boosting single-module test efficiency, breaking volume production bottlenecks, and ensuring high product consistency. new_line Multi-Dimensional Acceleration: Concurrent Manufacturing and Commissioning. The project adopts a concurrent execution strategy of "simultaneous production, acceptance, and joint commissioning." The workflow for PCBAs, modules, subsystems, and full systems has been transformed from a relay-style sequential pipeline to a concurrent approach. By synchronizing and overlapping production and testing at all levels, the deep convergence of production and testing workflows guarantees efficient, high-quality delivery. new_line The successful validation of the mass-production process demonstrates Startorus Fusion's mature capability in high-standard manufacturing and delivery. As a critical milestone in power supply construction, the team will adhere to rigorous engineering standards and efficient execution, rigorously controlling milestones to guarantee the on-time and high-quality delivery of the NTST magnet power supplies, ensuring the efficient and orderly construction of the entire NTST facility.

He-HT-6000 Cooling System Delivered, Laying the Foundation for 77 K Magnet Testing of NTST

The Startorus Fusion team has completed delivery of the He-HT-6000 cooling system, purpose-built for NTST magnet testing. This marks a key engineering milestone in the company’s independent R&D of test equipment, laying a solid technical foundation for the upcoming performance evaluation of magnet coils at the 77 K temperature range. new_line The He-HT-6000 cooling system is an integral part of Startorus Fusion‘s NTST magnet testing infrastructure. Using helium as the primary cooling medium, the system delivers a cooling power of 6000 W at 77 K and enables precise cyclic temperature control of magnet or coil samples. Tailored to the specific requirements of automated magnet testing, it features the ability to actively regulate the cooling rate during the temperature ramp-down from room temperature to 77 K, effectively mitigating thermal stress shocks caused by excessive temperature gradients while simulating realistic thermal load profiles of magnets under operational conditions. The system is fully automated with remote monitoring capabilities, supporting long-duration, unattended cyclic testing of various coil samples. new_line Upon completion of installation, the He-HT-6000 system will first be deployed for performance testing of NTST magnet coils and other critical magnet components at the 77 K temperature range, providing essential data support for quality management and performance evaluation of the NTST magnets. This achievement also lays a solid foundation for the R&D and delivery of the complete cooling system for the NTST device.

Appearance Inspection System for Tapes Completes Engineering Integration and Enters Dynamic Verification Phase

Recently, the tape appearance inspection project has completed the construction and joint commissioning of its core system, resulting in an engineering prototype system capable of identifying surface defects on superconducting tapes, measuring width and thickness dimensions, and accumulating inspection data. The project has now formally entered the phase of dynamic operational verification and stability optimization.new_lineDesigned to meet the quality inspection requirements for superconducting tapes, the system focuses on key quality indicators such as surface defects, width fluctuations, and thickness variations. It establishes an integrated inspection capability encompassing automated transport, visual acquisition, dimensional measurement, defect screening, and data recording. Compared with traditional manual visual inspection or outsourced inspection methods, the system can improve inspection efficiency and reduce inspection costs, while also providing a data foundation for quality traceability, process optimization, and AI-based defect recognition model training.new_lineThe achievements in this project phase signify that the company has preliminarily established independent integration capabilities for online superconducting tape inspection equipment. The team has developed a complete engineering closed-loop capability covering the entire chain from inspection requirement definition, vision solution selection, mechanical and electrical design, PLC control, front-end and back-end joint debugging, to testing and validation. This not only enhances the company's self-reliance and control over critical material inspection processes, but also accumulates reusable technical experience and engineering methodologies for future automated quality inspection equipment development.new_lineTo date, the project has accomplished the following: construction of the inspection platform, integration of mechanical and electrical systems, development of PLC programs, front-end and back-end communication, camera solution testing, debugging of NG judgment logic, and overall system joint commissioning. The system is now equipped with functionalities including continuous tape transport, surface image acquisition, visible defect screening, dynamic measurement of width and thickness, output of inspection results, and recording of test data.

The system can be applied to various scenarios such as incoming material inspection for superconducting tapes, quality assessment of R&D samples, dynamic width and thickness measurement, defect sample library construction, accumulation of AI annotation data, and small-batch engineering verification. Particularly for subsequent coil winding processes, the system can serve as a pre-screening and risk pre-identification tool for incoming materials. By detecting surface defects, abnormal width/thickness, and potential quality fluctuations before the tape enters the winding stage, it reduces the probability of defective tapes proceeding into the coil manufacturing process, thereby mitigating the risks of rework, performance anomalies, and operational failures during winding, and providing front-end assurance for the stability of coil manufacturing quality.

In subsequent phases, the project will focus on advancing dynamic operational stability verification, optimizing false-positive and false-negative rates, expanding the defect library, refining user documentation, and finalizing acceptance criteria, so as to steer the system from engineering prototype validation toward a stable delivery-ready state.

TokaPilot: Intelligent Agent Automates Fusion Experiment Data Analysis at Startorus Fusion

In fusion experiments, after a discharge ends, experiment staff typically must switch frequently among discharge data, diagnostic signals, and multiple analysis programs to complete tasks such as shot-number verification, signal lookup, script execution, result plotting, and experiment log organization — a process that is cumbersome and error-prone. This month, Startorus Fusion completed the core toolchain integration of its experiment-analysis intelligent agent, TokaPilot, connecting fusion experiment data with the analysis workflow. This establishes a basic closed loop spanning from initiating tasks in natural language to data reading, analysis computation, chart generation, and experiment log organization. It marks a phased milestone for the company in engineering and intelligentizing its experiment analysis workflow.new_lineTokaPilot is built on the company's long-accumulated experiment data, physics programs, and algorithmic capabilities, bringing data sources such as MDSplus and IMAS/PG together with capabilities including anomaly detection, equilibrium reconstruction, MHD analysis, signal completion, and vacuum field calculation into a unified invocation pipeline. At present, TokaPilot offers three usage entry points — a Feishu bot, a web client, and a browser extension — with seven categories of MCP services connected at the underlying layer and 20 commonly used experiment analysis workflows packaged as skills. By introducing large language models, the system not only improves experiment analysis efficiency but also strengthens its ability to comprehensively analyze multiple data sources and processing programs. Experiment staff only need to describe the shot number, signals, and analysis task directly, and the system automatically selects the data source, invokes the analysis program, and returns charts or structured results.new_lineAt the current stage, TokaPilot can already aggregate plasma current, equilibrium parameters, MHD activity, and video diagnostic results, and — combined with vacuum field calculation and FusionMAE (Yang Zongyu et al., 2025) reconstruction — performs physical validation and completion of magnetic diagnostic signals. The system's output can include the various charts commonly used in experiment analysis, as well as structured summary-driven analysis results that flow directly into the experiment workflow. While advancing automation, Startorus has always placed physical credibility first. TokaPilot does not replace physics experts, nor does it allow the model to fabricate experimental data. Charts and conclusions are required to be traceable to shot numbers, signal channels, databases, or analysis programs; when data is missing, units are abnormal, or results from different data sources are inconsistent, the system explicitly flags the issue, avoiding substituting speculation for results.

In the next phase, TokaPilot will continue optimizing around stability, reliability, and auditability, further improving answer correctness, basis transparency, and result traceability, and promote more high-frequency analysis workflows to be consolidated into easy-to-use, reusable skills to serve a broader range of experiment analysis scenarios.