Perseus: MCP server and live context engine

Published on PyPI · Official MCP Registry · Glama · Smithery · Lulu MCPs pip install perseus-ctx && cd your-project && perseus quickstart. It runs locally over stdio via the published package.

People connecting memory tools to Claude, Cursor, VS Code, or another MCP client. The project is written in Python.

VERIFIED ACTIVE

LAST COMMIT 2026-08-23 · ★ 39 · #41 OF 259 MAINTAINED MEMORY · VERIFIED 2026-08-25

MIT · Python servers · how we verify → /methodology

01 · Install Perseus: MCP server and live context engine

before you install - you'll need

The README does not document required environment variables for a basic install.

Claude Code

claude mcp add perseus-computing-llc-perseus -- uvx perseus-ctx

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "perseus-computing-llc-perseus": {
      "command": "uvx",
      "args": [
        "perseus-ctx"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

pypi package perseus-ctx - check the name against the project README before installing (PyPI has no namespace ownership)

registry namespace io.github.Perseus-Computing-LLC is GitHub-verified and matches the repo owner

03 · What Perseus: MCP server and live context engine can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v1.0.26 · 2026-08-01

1.0.26 · Changed · Remove fixed MCP/Vault capability counts from package and marketing copy. · Describe the supported local MCP surface and compatibility aliases instead. · Synchronize the package, generated runtime…

v1.0.25 · 2026-08-01

Perseus 1.0.25 · Refresh the perseus-ctx PyPI landing page with an install-first quickstart. · Make package README links and media render correctly on PyPI. · Update package metadata with the public homepage…

v1.0.24 · 2026-07-16

Claims-integrity and savings-wire release. · Retired the synthetic 94% / 0 ms / 1,190x headline from every public surface; claims.json records why, CI bans the retired figures, and the site calculator/demo are rebased…

04 · Who maintains Perseus: MCP server and live context engine

Perseus: MCP server and live context engine is maintained by perseus-computing-llc. We track 2 MCP servers from perseus-computing-llc - 2 actively maintained, 44 combined GitHub stars, oldest repo from May 2026. Full record: all servers from perseus-computing-llc.

Perseus Ledger - verifiable, hash-chained event provenance Verifiable, hash-chained event provenance for autonomous systems. Local-first, MIT. 5 MCP tools. ★ 5

05 · Facts

repository: github.com/perseus-computing-llc/perseus
website: https://github.com/Perseus-Computing-LLC/perseus
category: memory - ranked #41 of 259 actively-maintained memory servers as of 2026-08-25.
release cadence: 10+ releases in the last 90 days (latest 2026-08-01)
registry: io.github.Perseus-Computing-LLC/perseus (active, first published 2026-06-28 · 13 versions)
packages: pypi:perseus-ctx

06 · Perseus: MCP server and live context engine FAQ

What is Perseus: MCP server and live context engine?

Published on PyPI · Official MCP Registry · Glama · Smithery · Lulu MCPs pip install perseus-ctx && cd your-project && perseus quickstart. It runs locally over stdio via the published package.

Is Perseus: MCP server and live context engine still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-23 and it shipped 10+ releases in the last 90 days. We re-verify nightly.

How do I install Perseus: MCP server and live context engine?

Run `uvx perseus-ctx`. The README does not document required environment variables for a basic install. You can also paste the ready-made client config above.

Does Perseus: MCP server and live context engine run locally?

Yes - it's a stdio server: it runs on your machine (via uvx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Perseus: MCP server and live context engine

Alternatives to Perseus: MCP server and live context engine

Maintained memory servers if Perseus: MCP server and live context engine isn't the fit.

Pairs well with

Servers that cover what Perseus: MCP server and live context engine doesn't - only shown when the pairing reason fits the companion.

More memory MCP servers · Palinode · Anneal Memory · Bolor Brain MCP · Kernal MCP · Plur

More Python MCP servers · UniFi Gateway · Oncofiles · CallRail MCP · see all