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+#+TITLE: PROTOCOL: Skill-Based Configuration
+#+AUTHOR: PSF Architect
+#+DATE: 2026-03-24
+#+STARTUP: content
+
+* Overview
+This protocol defines the skill-to-skill interface for retrieving environment configuration from the Org-mode Object-Store. It leverages the **Skill Graph** to provide a centralized configuration API for all other skills.
+
+* The Configuration Skill (`skill-environment-config.org`)
+
+** 1. Internal Logic
+The skill iterates over the kernel's `*object-store*` to find headlines containing specific properties.
+
+#+begin_src lisp
+(defun get-config-attribute (property-key &optional default)
+  "Searches the global *object-store* for any headline containing PROPERTY-KEY."
+  (let ((store org-agent:*object-store*))
+    (maphash (lambda (id obj)
+               (declare (ignore id))
+               (when (eq (org-agent:org-object-type obj) :HEADLINE)
+                 (let ((val (getf (org-agent:org-object-attributes obj) property-key)))
+                   (when val
+                     (return-from get-config-attribute val)))))
+             store)
+    default))
+#+end_src
+
+* Skill Graph Integration
+
+** 2. Dependency Declaration
+Other skills requiring configuration MUST declare a dependency on this skill.
+
+#+begin_src org
+#+DEPENDS_ON: skill-environment-config
+#+end_src
+
+** 3. Provider Integration Example
+Provider skills will invoke the config skill's API during the System 1 prompt generation.
+
+#+begin_src lisp
+(let ((model (org-agent.skills.skill-environment-config:get-config-attribute :LLM_MODEL_OPENAI "gpt-4-turbo-preview")))
+  ;; ... use model in API call ...
+  )
+#+end_src
+
+* No Core Modifications Required
+This protocol adheres to the **Minimalist Core** mandate by implementing the entirety of the "Dynamic Model Switching" logic within the Skill Layer.