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Perenna MCP Server

local only

Perenna runs on your own machine — the client starts it, so there is no endpoint to ping. 1 667 installs a week from pypi. Last commit 29 Aug 2026.

A lightweight, Git-backed permanent memory for AI agents.

Installs per day peak 1 244 · avg 386
a month agotoday
1 667
Installs / week
pypi · perenna
36
Stars
2 open issues
29 Aug 2026
Last commit
0 releases in 90 days
MIT
License
Python

What the code does

We read the source, 11 h ago · rules 3dff92dd89df

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Runs an external command src/perenna/deploy_keys.py:63, src/perenna/git.py:475, [пакет] src/perenna/deploy_keys.py:63 и ещё 1
            result = subprocess.run(
        raw = yaml.load(frontmatter_text, Loader=_UniqueSafeLoader)
    private_key = directory / "id_ed25519"

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Three servers free · no card

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

run in your terminal
claude mcp add perenna -- uvx perenna
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "perenna": {
      "args": [
        "perenna"
      ],
      "command": "uvx"
    }
  }
}
~/.codex/config.toml
[mcp_servers.perenna]
command = "uvx"
args = ["perenna"]
.cursor/mcp.json
{
  "mcpServers": {
    "perenna": {
      "args": [
        "perenna"
      ],
      "command": "uvx"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "perenna": {
      "args": [
        "perenna"
      ],
      "command": "uvx"
    }
  }
}

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Perenna — questions

Answers built from our own checks of this server.

Why is there no uptime for Perenna?
Perenna runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the pypi package perenna was installed 1 667 times last week.
How do I connect Perenna?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls perenna straight from pypi; nothing to host, nothing to sign up for.
How many people use Perenna?
The pypi package perenna was installed 1 667 times in the last week. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Perenna open source?
Yes — it is published under the MIT licence, written in Python, 36 stars on GitHub and 2 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.