atlas
Active·★ 85·NOASSERTION·Updated 2026-10-01
Atlas is an open-source local-first cognitive memory system that implements AGM-compliant belief revision on a property graph. It adds a propagation engine called Ripple that recomputes downstream beliefs when an upstream fact changes. The system runs entirely on your laptop and includes a hash-chained ledger, continuous ingestion from multiple sources, and API surfaces for integration.
#agm#ai-agents#anthropic#apache-2#belief-revision#claude-code#cognitive-memory#fastapi
01
Features
01AGM-compliant belief revision (49/49 postulates verified)
02Ripple propagation engine for downstream belief reassessment
03Hash-chained SHA-256 ledger with tamper detection
04Continuous ingestion from 6 streams (Obsidian, Limitless, Screenpipe, etc.)
05MCP, HTTP, and gRPC API surfaces with adapters for agent runtimes
02
Compatibility
macOS
macOS
Verified via docs
Linux
Linux
Verified via docs
Windows
Windows (WSL)
Verified via docs
03
Quick start
1
$ git clone https://github.com/RichSchefren/atlas
2
$ cd atlas
3
$ docker compose up -d
4
$ python3 -m venv .venv
5
$ source .venv/bin/activate
6
$ pip install -e ".[dev]"
04
Use cases
↳Pricing change invalidates positioning: updating a program price triggers reassessment of all value claims that depended on the old price.
↳Partner or person status change: a team member leaving triggers confidence drops in decisions and commitments that depended on them.
↳Deadline slips: a milestone moving weeks later triggers re-evaluation of all downstream project beliefs and contradictions.
05
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