Cognitive Architecture Primitives AI Agents

Foundational frameworks for persistent reasoning, memory integration, and structured cognition in AI agents. Focuses on core architectural patterns, runtime continuity, and cognitive state management. Does NOT include specific agent implementations, task automation, or domain-specific applications.

There are 48 cognitive architecture primitives agents tracked. 2 score above 50 (established tier). The highest-rated is Fozikio/cortex-engine at 52/100 with 24 stars.

Get all 48 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=agents&subcategory=cognitive-architecture-primitives&limit=20"

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#	Agent	Score	Tier	Stars	Language
1	Fozikio/cortex-engine Cognitive engine for AI agents — semantic memory, observations, embeddings,...	52	Established	24	TypeScript
2	brain-tree-dev/brain-tree-os Open source brain viewer and project management for AI agents. Give your AI a brain.	51	Established	22	TypeScript
3	NateBJones-Projects/OB1 Open Brain — The infrastructure layer for your thinking. One database, one...	49	Emerging	100	TypeScript
4	vstorm-co/summarization-pydantic-ai Context Management processor for Pydantic AI agents, providing LLM-powered...	48	Emerging	10	Python
5	inputlayer/inputlayer Streaming reasoning layer for AI. Incremental rules engine with vector...	45	Emerging	5	Rust
6	hyperb1iss/sibyl Collective intelligence runtime for AI agents. Knowledge graph +...	44	Emerging	18	Python
7	Aftermath-Technologies-Ltd/adaptive-belief-ecology-system ABES: Adaptive Belief Ecology System. A headless cognitive memory engine for...	38	Emerging	3	Python
8	sunnybedi990/reasonchain A modular AI reasoning library for creating intelligent agents with advanced...	35	Emerging	5	Python
9	KyleMillion/unified-cognitive-substrate Judgment preservation in persistent AI agents. Toroidal routing engine +...	23	Experimental	2	Python
10	enginechronos/chronos-engine Persistent world memory engine for games. Chronos lets NPCs remember events...	23	Experimental	2	GDScript
11	PersistentVlad/persistent-reasoning-light A minimal Git-native structured reasoning layer for AI agents and coding systems.	22	Experimental	—	—
12	ronut01/bcd "Life is C(Choice) between B(Birth) and D(Death)."	22	Experimental	—	Python
13	stef-k/CogniRelay A small self-hosted agent memory with continuity - orientation +...	22	Experimental	—	Python
14	Stokesadamssyndromebearingwall73/BeliefGraph Enable AI agents to maintain and update structured belief networks for...	22	Experimental	—	Python
15	dcfrancisco/cognitive-ai Cognition-first AI framework with decision-making, memory, agent routing,...	22	Experimental	—	Java
16	daedalus/opencog Cognitive architecture for Open Code — persistent memory, self-reflection,...	22	Experimental	—	—
17	costiash/CognivAgent Reference implementation of an AI Agent using Claude Agent SDK. Transforms...	22	Experimental	4	Python
18	roli-lpci/langquant LPCI PROVED: Stateless LLM maintains conversational coherence across 20...	22	Experimental	—	Python
19	tsubasa-rsrch/cortex Cognitive-science-based perception framework for AI agents. Habituation,...	22	Experimental	1	Python
20	joshualamerton/BeliefGraph Open framework for persistent belief graphs in AI agents.	22	Experimental	1	Python
21	LarytheLord/Project-Chimera Modular cognitive architecture for AI agents with memory, metacognition,...	22	Experimental	2	Python
22	Zer0Q/MKEvo-cognitive-runtime A cognitive runtime architecture for LLM continuity, memory, identity, and...	22	Experimental	3	—
23	violira/Deliberative-intelligence Engineering hypothesis and prototype architecture for memory-centered agents...	21	Experimental	—	—
24	Stranglehold/Exocortex Prosthetic cognition architecture for AI agents. Deterministic scaffolding...	21	Experimental	—	HTML
25	PersistentVlad/persistent-reasoning-architecture Architectural exploration of Persistent Reasoning as a first-class system...	21	Experimental	—	Python
26	quantum-lichen/LICHEN-COGNITIVE-KERNELS Une bibliothèque open-source de personas systémiques et de noyaux cognitifs...	21	Experimental	—	—
27	golightstep/superbrainSdk Distributed RAM-speed FAISS for AI agents"	21	Experimental	—	Python
28	Yacinewhatchandcode/BSQ 🌟 Bahá'í Spiritual Quest — Multi-Agent Knowledge Graph · AI Guidance · Quest Pathways	21	Experimental	—	Python
29	kiloloop/cortex Cross-session memory for multi-agent teams — an OACP example app	21	Experimental	—	—
30	savantly-net/headkey-legacy-poc Cognitive Ingestion & Belief Formation Engine. Long term AI memory.	20	Experimental	3	Java
31	Prithpal-Sooriya/Agents-Knowledge-Management-Template 🧠 A decoupled "Remote Brain" for AI agents. Centralise skills and memory to...	20	Experimental	1	TypeScript
32	ahammadshawki8/Chimera_Protocol A neural-themed AI memory management system that stitches together multiple...	20	Experimental	1	—
33	alyssadata/continuity-keys Continuity Keys: tests for “same someone” returns. Behavioral identity...	20	Experimental	1	—
34	tfatykhov/cognition-agent-decisions Cognition Engines gives AI agents a memory of their decisions	19	Experimental	—	Python
35	nbursa/EgoAI Cognitive control module for synthetic reasoning. Coordinates memory,...	18	Experimental	1	Go
36	ruigil/rorschach Intelligence without consciousness. Process without self. Scale without limit.	17	Experimental	1	TypeScript
37	firmasite/Dual-Layer-Cognitive-Architecture This repository hosts custom instructions and knowledge bases for reasoning...	17	Experimental	—	—
38	quantum-lichen/Lichen-Universe-Unified-V3 ALL my project in ONE place Lichen‑Universe est le point d’entrée unifié de...	17	Experimental	—	—
39	electronistu/BodhiOne BodhiOne is a high-level cognitive architecture for Large Language Models...	17	Experimental	—	—
40	omerakben/opus-nx 🧠 Open-source AI reasoning research platform — persistent reasoning graphs,...	16	Experimental	3	TypeScript
41	ManintheCrowds/OpenAtlas Operator context graph and brain-map visualization. Co-access across...	16	Experimental	—	HTML
42	ManintheCrowds/OpenGrimoire Operator context graph and brain-map visualization. Co-access across...	16	Experimental	—	HTML
43	digin1/cortex Cortex — self-evolving memory and agent fleet for Claude Code	15	Experimental	1	Python
44	Alradyin/Thinking-Framework Load any thinker's mental OS into your AI — deep cognitive & psychological...	14	Experimental	—	—
45	tfatykhov/cognition-engines-marketplace FORGE — The Decision Loop. Cognitive decision protocol plugin	13	Experimental	—	Python
46	sam24-creator/session-anchor Temporal context grounding for LLM sessions. Stops AI from living in the past.	11	Experimental	—	Python
47	theveyanoir-ai/genesis-anchor ⚓ ANCHOR — Reality-Grounded Long-Horizon Planning. Create plans → track...	11	Experimental	—	Python
48	KleaSCM/cognitive AI Cognitive Architecture, Goals Persona space	10	Experimental	1	C++