Langmuir Probe MCP v1.2.0

Langmuir probe IV curve analysis MCP Server — pure Python, zero MATLAB dependency.

Tech Stack

21 MCP tools covering 46/51 analysis techniques, validated on low-temperature plasma experiments:

Layer	Tools	Techniques
L0 Preprocessing	probe_analyze probe_batch	Gaussian smooth, CSV parse, probe area, batch
L1 Feature Extract	probe_eepf probe_fit_bimaxwell probe_spectrum	Vf/Vp, Te/Ne, Druyvesteyn EEPF, Yip 2020 bi-Maxwell, FFT
L2 Constraint	probe_similarity probe_predict_mode	alpha param (Lafleur 2025), mode probability (88.9%)
L3 Mode Detection	probe_detect_modes	MODE_A / MODE_B / MODE_C classification
L4 Structure	probe_detect_steps probe_detect_upturn probe_detect_comb_teeth probe_anode_detect	dI/dV staircase, end-upturn, comb-teeth, current jumps
L5 Quality Gate	probe_gate probe_gate_multi_ai	Numerical/consistency gate + multi-AI audit
L6 Verification	probe_visual_qa probe_stratify	VL visual check + stratified analysis (Simpson)
L7 Comparison	probe_compare	Cross-configuration comparison
L8 Visualization	probe_plot probe_plot_extended	IV+dI/dV, EEPF, OML check, Log(I)-V, bi-Maxwell
L9 Reference	probe_info	Formulas, ranges, thresholds, bibliography

Install

pip install -e .

Usage

langmuir-probe-mcp

Or configure as MCP server in Claude Code:

{ "mcpServers": { "langmuir-probe": { "command": "python", "args": ["-m", "langmuir_mcp.server"] } } }

Optional: LLM Enhancement

Multi-AI audit gate

export PROBE_LLM_NUMERICAL=qwen3:32b export PROBE_LLM_API_BASE=http://127.0.0.1:11434/v1

Visual verification

export PROBE_LLM_VISION=llava:13b

References

• Godyak & Piejak 1990, PRL 65:996 — T_eff definition
• Godyak & Demidov 2011, J. Phys. D 44:233001 — probe EEDF review
• Jauberteau & Jauberteau 2018, Contrib. Plasma Phys. — f_tail
• Lobbia & Beal 2017, AIAA JPC — probe diagnostics best practice
• Lafleur & Chabert 2025, PSST 34:055005 — alpha similarity
• Yip et al. 2020, Plasma Sci. Technol. 22:085404 — bi-Maxwell iteration
• Cellarius 1970 / Draganov 2025, Vacuum 235 — EEPF multi-group

License

MIT