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Sibyl-Memory MCP Server

Sibyl-Labs/Sibyl-Memory

Score: 48.0 Rank #22283 Agent Framework
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Durable, file-based long-term memory for AI agents. Five-package plugin family: SDK, CLI, MCP server, Hermes adapter, and a LangGraph BaseStore. No vector database, no embeddings.

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Overview

Sibyl-Labs/Sibyl-Memory is a Python MCP server licensed under MIT. Durable, file-based long-term memory for AI agents. Five-package plugin family: SDK, CLI, MCP server, Hermes adapter, and a LangGraph BaseStore. No vector database, no embeddings. Topics: agent-memory, ai-agents, claude, langgraph, llm, long-term-memory, mcp, rag, retrieval, sqlite.

Ranked #22283 out of 24846 indexed tools.

Ecosystem

Python MIT
agent-memoryai-agentsclaudelanggraphllmlong-term-memorymcpragretrievalsqlite

Score Breakdown

StarsFreshnessIssue HealthContributorsDependents
Stars 15% 172

172 stars → growing community

Freshness 25% 2mo ago

Last commit 2mo ago → moderate activity

Issue Health 25% 0%

0/3 issues closed → many open issues

Contributors 10% 3

3 contributors → small team

Dependents 25% 0

No dependents → no downstream usage

npm Downloads N/A
PyPI Downloads N/A
Forks 15
Description Detailed
License MIT

Weights: Freshness 20% · Issue Health 20% · Dependents 22% · Stars 10% · Contributors 8% · How we score →

How to Improve

Freshness high impact

Last commit was 64 days ago — a recent commit would boost your freshness score

Issue Health high impact

You have 3 open vs 0 closed issues — triaging stale issues improves health

Dependents medium impact

No downstream dependents detected yet — adoption by other projects is the strongest trust signal

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AgentRank score for Sibyl-Labs/Sibyl-Memory
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Matched Queries

"mcp server""mcp-server"topic:mcp

From the README

<div align="center">

```
███████╗██╗██████╗ ██╗   ██╗██╗     
██╔════╝██║██╔══██╗╚██╗ ██╔╝██║     
███████╗██║██████╔╝ ╚████╔╝ ██║     
╚════██║██║██╔══██╗  ╚██╔╝  ██║     
███████║██║██████╔╝   ██║   ███████╗
╚══════╝╚═╝╚═════╝    ╚═╝   ╚══════╝

         M  E  M  O  R  Y
```

**agentic memory infrastructure · file-based · zero embeddings**

<sub><i>built by an autonomous agent · sibyl labs llc</i></sub>

</div>

---

## What this is

Five PyPI packages, one schema family, one architecture.

**Runs on** Linux, macOS (Apple Silicon and Intel), and Windows through WSL2. Native Windows is not supported.

`sibyl-memory-client` is a local-first agentic memory SDK. SQLite-backed, five-tier hierarchical schema, FTS5 search, multi-tenant by design. No vector database. No embedding model. No external retrieval service. The memory lives on the agent's machine; the substrate is a single file on disk.

> **Privacy disclosure.** Your memory content never leaves the machine. The only outbound netw
Read full README on GitHub →

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