HUMMBL Base120 — 120 Mental Models

120 validated mental models across 6 transformations: Perspective (P), Inversion (IN), Composition (CO), Decomposition (DE), Recursion (RE), and Systems (SY). Each model is a named reasoning primitive for structured problem-solving. Available as an MCP server for ChatGPT, Codex, and the OpenAI Responses API.

P Perspective

Reframe problems by shifting viewpoints and identifying foundational truths.

IN Inversion

Improve by removing, reversing, or stress-testing assumptions.

CO Composition

Combine elements so the integrated value exceeds the sum of parts.

DE Decomposition

Break problems into factors, layers, and independent subproblems.

RE Recursion

Improve iteratively through feedback, reflection, and self-referential refinement.

SY Systems

Identify leverage points, feedback structures, and emergent dynamics in whole systems.

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