Agent Memory Tools
A catalog of 348 AI agent memory and context management tools across 17 categories. Last updated March 2026.
- MCP standardization driving fragmentation with 200+ MCP servers available
- Knowledge graphs outperforming vector-only approaches by 20-35%
- Context engineering replaced prompt engineering as dominant paradigm
- Self-hosted platforms dominating adoption (Ollama, Open WebUI)
- Enterprise memory now a funded category ($13M+ investment)
- RL-based memory management (Memory-R1, MemAgent) as newest research frontier
Repo-to-Context Converters
23 toolsPulls version-specific documentation and code examples directly into LLM prompts, solving documentation staleness. MCP server and library integration.
GitHub →Packs entire repositories into AI-friendly single-file formats. Supports custom output formats, token counting, and .gitignore-aware filtering.
GitHub →Converts any Git repository into a prompt-friendly text digest optimized for LLMs. Web UI and CLI available.
GitHub →CLI tool to convert codebases to LLM prompts with token counting, Handlebars templates, and tree-sitter filtering.
GitHub →Python version of code2prompt with similar codebase-to-prompt capabilities.
GitHub →Concatenate files into a single prompt suitable for LLMs. Simple, Unix-philosophy approach by Simon Willison.
GitHub →File-Based Context Standards & Generators
44 toolsProject-level instructions and context for Claude coding agent
Emerging universal standard (Feb 2026+) for agent instructions
Legacy project rules for Cursor IDE
New MDC-format rules for Cursor IDE
Project context for Google Gemini CLI agent
Code conventions and standards file
Coding Agent Memory Systems
59 toolsPersistent memory extension for Claude Code. Stores and retrieves context across coding sessions.
GitHub →Temporally-aware knowledge graph engine for real-time context synthesis. Bi-temporal model tracking event occurrence and ingestion time.
GitHub →Memory and context engine for AI applications. Benchmarked #1 on three memory benchmarks.
GitHub →Query-based memory database for coding agents. Efficient storage and retrieval of coding context.
GitHub →Efficient lifelong memory via semantic lossless compression. Three-stage pipeline: compression, synthesis, retrieval.
GitHub →Context Databases & Unified Context Systems
4 toolsByteDance's open-source context database for AI agents. Unifies management of context (memory, resources, skills) through viking:// filesystem paradigm with L0/L1/L2 tiered loading and self-evolution.
GitHub →Context bridge layer managing skills, scripts, and context for AI coding agents. Integrates with OpenViking for persistent team-wide memory.
GitHub →Memory Operating System treating context as OS-level resource. Unifies skills, memory, and resource management.
GitHub →Vector-Based Memory Libraries
19 toolsMemory and context engine with vector-based retrieval. Triple benchmark leader.
GitHub →Serverless, single-file memory layer. Packages data, embeddings, indexes, and metadata into portable .mv2 files with hybrid BM25 + vector search.
GitHub →Fast, flexible agent memory using Redis vector similarity search with semantic and keyword retrieval.
GitHub →Memory and information retrieval server for LLMs built in Rust. Incremental summarization with MAX_WINDOW_SIZE management.
GitHub →Open-source memory layer for autonomous agents with automatic memory updates during interaction.
GitHub →ChromaDB + Postgres memory with DBSCAN clustering for semantic organization.
GitHub →Knowledge Graph Memory Systems
14 toolsEntity-centric knowledge graphs with thematic clusters and LLM-precomputed community summaries. Multi-hop graph-based reasoning.
GitHub →Simple and fast RAG using dual-level knowledge graphs. 80ms retrieval vs 120ms standard RAG.
GitHub →Temporally-aware knowledge graph engine with bi-temporal model. 94.8% DMR benchmark accuracy.
GitHub →Knowledge engine enabling knowledge graph construction in 6 lines of code. Multi-backend.
GitHub →Neurobiologically inspired long-term memory using hierarchical graphs with structure-aware retrieval.
GitHub →Standalone Agentic Memory Frameworks
30 toolsUniversal memory layer for AI agents. Framework-agnostic design with multi-tier memory (short, medium, long-term).
GitHub →Platform for stateful agents with three-tier memory (Core, Recall, Archival). OS-inspired architecture where agents run inside memory.
GitHub →High-performance drop-in Mem0 replacement with semantic deduplication, multimodal video reasoning.
GitHub →Long-context optimization via end-to-end RL. Extrapolates from 8K to 3.5M tokens with <5% performance loss.
GitHub →Memory operating system for personalized agents. Hierarchical storage with Storage/Updating/Retrieval/Generation layers.
GitHub →Agent Framework Memory Systems
40 toolsOpen-source LLM application platform combining Backend-as-a-Service with LLMOps. Visual RAG/workflow orchestration with integrated memory.
GitHub →Modular RAG/agent framework with pluggable memory backends. LangGraph adds graph-based orchestration, LangMem provides structured memory.
GitHub →Multi-agent framework with role-based architecture. Agents assigned to software engineering roles coordinated via message passing.
GitHub →Multi-agent conversation framework with persistent session memory and human-in-the-loop workflows.
GitHub →Workflow automation platform with AI agent capabilities. 600+ integrations.
GitHub →MCP-Based Memory Servers
27 toolsOfficial reference memory implementation using knowledge graph. Stores entities, relations, and observations.
GitHub →Temporal knowledge graph MCP server with Neo4j integration and bi-temporal modeling.
GitHub →GraphRAG memory server with customizable ingestion and search. Part of Cognee platform.
GitHub →Cognitive Architectures & Reflection Systems
15 toolsAI-driven development platform with agent autonomy for software engineering tasks. Comprehensive state management.
GitHub →Pioneering agent architecture with episodic memory, reflection, and planning. Agents simulate believable human behavior.
GitHub →Software engineering agent with shell/editor interaction for autonomous GitHub issue fixing.
GitHub →Enterprise & Institutional Memory
8 toolsEnterprise agent memory layer with confidence scoring, write/read gates, and CRM-integrated governance.
GitHub →Organizational Memory tracking 120+ business signals across enterprise tools. First AI agent with deep company context.
GitHub →1,000+ enterprise integrations with HIPAA/GDPR/SOC2 compliance. Multi-tenant context management.
GitHub →Enterprise agentic platform with multimodal indexing, retrieval, and extraction. "Context engineering" paradigm.
GitHub →Enterprise memory systems for AI infrastructure. GPU-optimized memory operations.
Context Compression & Engineering Tools
12 toolsCoarse-to-fine prompt compression achieving 20x compression with 1.5% performance loss. Budget controller + token-level iteration.
GitHub →Long-context compression with 4x ratio + 21.4% improvement. Document reordering + dynamic ratios.
GitHub →Semantic token importance ranking for attention-aware compression (part of Semantic Kernel project).
Extractive + abstractive document compression for RAG. 6% compression with minimal loss.
Generalized extreme compression — compress up to 500 tokens into 1 special token.
GitHub →Self-Hosted LLM Platforms with Memory
11 toolsBenchmarks, Surveys & Awesome Lists
30 toolsBenchmark for long-term interactive memory. 500 questions testing 5 core abilities across up to 1.5M tokens.
GitHub →Long Conversational Memory benchmark for evaluating agent memory across extended dialogues.
GitHub →75,336 Q&A pairs — 150x larger than LongMemEval. Enterprise-scale conversational memory evaluation.
ICLR 2026 memory evaluation via incremental multi-turn interactions. Temporal memory evaluation.
GitHub →Developer-focused memory benchmark for coding agent evaluation (no public repo confirmed).
Context Engineering & Optimization Platforms
5 toolsMeta-prompting and context engineering system for Claude. Systematic approach to agent context.
GitHub →Collection of agent skills specifically designed for context engineering workflows.
GitHub →Introduction to context engineering for AI coding. Tutorial and reference.
GitHub →Art and science of filling context windows — frameworks and patterns.
GitHub →Web Scraping & Data Extraction for Agent Context
4 toolsConversation Memory & Chat History
3 toolsKnow a paper, tool, or repo that should be listed here? We want this index to be exhaustive.