GrayMatter alternatives

1

Total Agent Memory

by vbcherepanov

A

Persistent local memory for coding agents: temporal knowledge graph, procedural and episodic recall

2

Inite Brain

by inite-ai

A

Open-source bitemporal memory layer for LLM agents — knowledge graph with conflict resolution.

3

IWE

by iwe-org

A

Markdown knowledge base as agent memory. Runs against the notes directory it is started in.

4

rag-rat

by cq27-dev

B

Repository intelligence, code graph, history, papertrail, and cross-agent memory for coding agents.

5

mcptoon

by activeing123

A

MCP tools + agent skills in one zero-dependency CLI: 71,929 -> 581 tokens (-99.2%, measured).

6

ContextStream MCP Server

by contextstream

A

Project memory, semantic code search, and grounded agent context.

7

Google Surf

by HarimxChoi

B

Web, academic and code search with graph RAG, data lineage, ontology and cross-project schema links.

8

World Model MCP

by putervision

A

Persistent 3D/2D spatial world model for AI agents with entity tracking and simulation.

9

Fidelis Memory

by hermes-labs-ai

B

Recall locally stored agent memories through an MCP-compatible host.

10

Projectmem

by riponcm

A

Coding agent memory — one local MCP server for every project. Warns before repeating failed fixes.

11

adrkit decision memory

by adrkit.dev

A

Deterministic, offline, read-only ADR decision memory for coding agents. No model or network calls.

12

Bomly

by bomly-dev

B

Give your coding agent the dependency graph it is about to change: scan, diff, explain, audit

13

Lockstep

by lockstep-team-agent

A

Decision memory for AI coding agents: captures decisions once, briefs every agent before it acts.

14

Hicortex — AI Fleet Memory

by gamaze-labs

C

Shared fleet memory for AI agents: nightly self-correction, recall every prompt (supported agents).

Hand a project over with the reasons attached. Local-first cross-agent memory MCP + drift detection.

16

Agent Memory Os

by yamantaka520

A

Local-first memory engine for AI-agent teams: team/project ACL, recall, and federated sync.