Achlens MCP Server

by mscott9160-web Your server? Claim it

local only

Achlens runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 12 Sep 2026.

Local-first MCP server and CLI for validating and generating synthetic ACH files.

—

Installs / week

pypi · achlens

Stars

1 open issues

12 Sep 2026

Last commit

no recent releases

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License

Python

Nothing serious here today

Today is the operative word: we check Achlens every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

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.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add achlens -- uvx achlens

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "achlens": {
      "args": [
        "achlens"
      ],
      "command": "uvx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.achlens]
command = "uvx"
args = ["achlens"]

.cursor/mcp.json

{
  "mcpServers": {
    "achlens": {
      "args": [
        "achlens"
      ],
      "command": "uvx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "achlens": {
      "args": [
        "achlens"
      ],
      "command": "uvx"
    }
  }
}

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Achlens — questions

Answers built from our own checks of this server.

Why is there no uptime for Achlens?

Achlens 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 achlens.

How do I connect Achlens?

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 achlens straight from pypi; nothing to host, nothing to sign up for.

Is Achlens open source?

We cannot say either way: written in Python, 0 stars on GitHub and 1 open issue, but we could not determine the licence, and without one the code is not open source by default.