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 47 cognitive architecture primitives agents tracked. 3 score above 50 (established tier). The highest-rated is vstorm-co/summarization-pydantic-ai at 56/100 with 10 stars and 71,066 monthly downloads.

Get all 47 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	vstorm-co/summarization-pydantic-ai Context Management processor for Pydantic AI agents, providing LLM-powered...	56	Established	10	Python
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	Fozikio/cortex-engine Cognitive engine for AI agents — semantic memory, observations, embeddings,...	50	Established	24	TypeScript
4	NateBJones-Projects/OB1 Open Brain — The infrastructure layer for your thinking. One database, one...	47	Emerging	100	TypeScript
5	hyperb1iss/sibyl Collective intelligence runtime for AI agents. Knowledge graph +...	40	Emerging	18	Python
6	inputlayer/inputlayer Streaming reasoning layer for AI. Incremental rules engine with vector...	39	Emerging	5	Rust
7	Aftermath-Technologies-Ltd/adaptive-belief-ecology-system ABES: Adaptive Belief Ecology System. A headless cognitive memory engine for...	34	Emerging	3	Python
8	sunnybedi990/reasonchain A modular AI reasoning library for creating intelligent agents with advanced...	33	Emerging	5	Python
9	KyleMillion/unified-cognitive-substrate Judgment preservation in persistent AI agents. Toroidal routing engine +...	24	Experimental	2	Python
10	enginechronos/chronos-engine Persistent world memory engine for games. Chronos lets NPCs remember events...	24	Experimental	2	GDScript
11	joshualamerton/BeliefGraph Open framework for persistent belief graphs in AI agents.	23	Experimental	1	Python
12	roli-lpci/langquant LPCI PROVED: Stateless LLM maintains conversational coherence across 20...	22	Experimental	—	Python
13	Stranglehold/Exocortex Prosthetic cognition architecture for AI agents. Deterministic scaffolding...	22	Experimental	—	HTML
14	Yacinewhatchandcode/BSQ 🌟 Bahá'í Spiritual Quest — Multi-Agent Knowledge Graph · AI Guidance · Quest Pathways	22	Experimental	—	Python
15	kiloloop/cortex Cross-session memory for multi-agent teams — an OACP example app	22	Experimental	—	—
16	dcfrancisco/cognitive-ai Cognition-first AI framework with decision-making, memory, agent routing,...	22	Experimental	—	Java
17	daedalus/opencog Cognitive architecture for Open Code — persistent memory, self-reflection,...	22	Experimental	—	—
18	golightstep/superbrainSdk Distributed RAM-speed FAISS for AI agents"	22	Experimental	—	Python
19	violira/Deliberative-intelligence Engineering hypothesis and prototype architecture for memory-centered agents...	22	Experimental	—	—
20	PersistentVlad/persistent-reasoning-light A minimal Git-native structured reasoning layer for AI agents and coding systems.	22	Experimental	—	—
21	ronut01/bcd "Life is C(Choice) between B(Birth) and D(Death)."	22	Experimental	—	Python
22	stef-k/CogniRelay A small self-hosted agent memory with continuity - orientation +...	22	Experimental	—	Python
23	Stokesadamssyndromebearingwall73/BeliefGraph Enable AI agents to maintain and update structured belief networks for...	22	Experimental	—	Python
24	tsubasa-rsrch/cortex Cognitive-science-based perception framework for AI agents. Habituation,...	20	Experimental	1	Python
25	Prithpal-Sooriya/Agents-Knowledge-Management-Template 🧠 A decoupled "Remote Brain" for AI agents. Centralise skills and memory to...	20	Experimental	1	TypeScript
26	tfatykhov/cognition-agent-decisions Cognition Engines gives AI agents a memory of their decisions	19	Experimental	—	Python
27	PersistentVlad/persistent-reasoning-architecture Architectural exploration of Persistent Reasoning as a first-class system...	19	Experimental	—	Python
28	quantum-lichen/LICHEN-COGNITIVE-KERNELS Une bibliothèque open-source de personas systémiques et de noyaux cognitifs...	19	Experimental	—	—
29	Zer0Q/MKEvo-cognitive-runtime A cognitive runtime architecture for LLM continuity, memory, identity, and...	18	Experimental	3	—
30	costiash/CognivAgent Reference implementation of an AI Agent using Claude Agent SDK. Transforms...	18	Experimental	4	Python
31	alyssadata/continuity-keys Continuity Keys: tests for “same someone” returns. Behavioral identity...	16	Experimental	1	—
32	ManintheCrowds/OpenGrimoire Operator context graph and brain-map visualization. Co-access across...	16	Experimental	—	HTML
33	ahammadshawki8/Chimera_Protocol A neural-themed AI memory management system that stitches together multiple...	16	Experimental	1	—
34	ManintheCrowds/OpenAtlas Operator context graph and brain-map visualization. Co-access across...	16	Experimental	—	HTML
35	LarytheLord/Project-Chimera Modular cognitive architecture for AI agents with memory, metacognition,...	16	Experimental	2	Python
36	firmasite/Dual-Layer-Cognitive-Architecture This repository hosts custom instructions and knowledge bases for reasoning...	15	Experimental	—	—
37	ruigil/rorschach Intelligence without consciousness. Process without self. Scale without limit.	15	Experimental	1	TypeScript
38	digin1/cortex Cortex — self-evolving memory and agent fleet for Claude Code	15	Experimental	1	Python
39	electronistu/BodhiOne BodhiOne is a high-level cognitive architecture for Large Language Models...	15	Experimental	—	—
40	quantum-lichen/Lichen-Universe-Unified-V3 ALL my project in ONE place Lichen‑Universe est le point d’entrée unifié de...	15	Experimental	—	—
41	Alradyin/Thinking-Framework Load any thinker's mental OS into your AI — deep cognitive & psychological...	14	Experimental	—	—
42	savantly-net/headkey-legacy-poc Cognitive Ingestion & Belief Formation Engine. Long term AI memory.	14	Experimental	3	Java
43	omerakben/opus-nx 🧠 Open-source AI reasoning research platform — persistent reasoning graphs,...	14	Experimental	3	TypeScript
44	theveyanoir-ai/genesis-anchor ⚓ ANCHOR — Reality-Grounded Long-Horizon Planning. Create plans → track...	14	Experimental	—	Python
45	sam24-creator/session-anchor Temporal context grounding for LLM sessions. Stops AI from living in the past.	14	Experimental	—	Python
46	nbursa/EgoAI Cognitive control module for synthetic reasoning. Coordinates memory,...	12	Experimental	1	Go
47	tfatykhov/cognition-engines-marketplace FORGE — The Decision Loop. Cognitive decision protocol plugin	11	Experimental	—	Python