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langmuir-probe-mcp

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