Install the software

Start with one useful path.

Choose the component you need. Perseus Context Engine and Perseus Ledger package installs remain available; repository and Perseus Vault release links are temporarily on hold.

01 / context

Perseus Context Engine

Current PyPI release: 1.0.26.

pip install perseus-ctx==1.0.26
perseus quickstart

See how it works →Full quickstart access status →

02 / memory

Perseus Vault

Current release: v2.23.2. Release assets are temporarily unavailable while source access is being restored.

Repository and release links are temporarily unavailable. We removed dead links while source access is being restored. See the source access status →

See how it works →Other platforms and provenance status →

03 / records

Perseus Ledger

Current PyPI release: 1.2.4.

pip install perseus-ledger==1.2.4
ledger demo

See how it works →Source access status →

Connections

Connect the host you already use.

Start with local stdio. Adapters connect to the same components; they are not separate Perseus products.

MCP host

Use the local command with Claude Code, Cursor, Hermes Agent, or another compatible host.

perseus mcp serve

Perseus Vault MCP

Connect the local binary and use the release-bound API entry.

API entry →

Framework adapters

Check the source access status and package status before using an adapter.

Adapter source access status →