Align CLI MCP ServerVerifiedFeatured

@aligndottech

Basic information

About Align CLI MCP Server

Your AI agents know the code. They don't know the company. A local decision graph from your git history, checked by your coding agent before it edits.

#mcp #claude-code #cursor #codex #ai-agents#decision-records#adr #knowledge-graph #developer-tools #local-first

Align CLI MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "align": {
      "command": "npx",
      "args": [
        "-y",
        "@aligndottech/cli",
        "mcp"
      ]
    }
  }
}

Align CLI MCP Server tools

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Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

What is Align CLI?

Your AI agents know the code. They don't know the company. Align builds a local decision graph from your repo's git history, merged PRs, ADRs and CLAUDE.md / AGENTS.md, and from Jira, Linear, Notion, Confluence, Slack, Teams and others you connect, all read-only. Your coding agent asks it what was decided and why, and every edit is checked against it before it is written. If an edit rewrites lines an earlier decision wrote, it stops and asks you first.

It runs on your machine. No account, MIT licensed.

How to use Align CLI?

Install: npm i -g @aligndottech/cli (Node 22.19+), or curl -fsSL https://align.tech/install.sh | sh for a standalone binary.
In a git repo, run align. The first run builds the graph from your history, then lists the files it will write (MCP config, hooks, a block in CLAUDE.md / AGENTS.md) and asks before writing them.
Ask your agent something like "why did we switch to postgres?", or ask it to change code an old decision covers and watch it stop and cite the decision.

To wire an agent by hand, use the config on this page, or run align mcp --setup.

Key features of Align CLI

Decisions from where they were made: commits that state a reason, PR descriptions, ADRs and agent rule files out of the box, and team tools when you connect them.
Checked before the edit lands: edit hooks for Claude Code, Codex, Cursor, Copilot CLI, Gemini CLI, pi and OpenCode, plus MCP tools for any client.
Scoped to the repo you're in: pick which Jira project, Linear projects, Notion pages or Confluence page trees belong to each repo.
Your model, or none: inside your agent no key is needed. Align's own agent runs on your API key, a local Ollama model, or your installed Claude Code.
Local by default: the graph is a SQLite file on your machine and embeddings run on-device.

Use cases of Align CLI

Stop an agent from undoing a decision it never saw, such as a status-code rule set in an old PR.
Give an agent the reason behind a file before it edits it.
Keep one decision record across git, tickets, docs and chat instead of a CLAUDE.md that goes stale.

Frequently asked questions

Does it send my code to Align?

No. In local mode your decisions and code stay on your machine. If you set an AI key, questions and proposed changes go to your own provider, not to Align. Full list: https://github.com/aligndottech/align-cli/blob/main/docs/local-mode.md

Which clients does it work with?

Claude Code, Cursor, Codex, Copilot CLI, Gemini CLI, VS Code, Windsurf, Zed, Claude Desktop, pi and OpenCode.

Try it on a repo you didn't write

Clone fastify and ask your agent to make 1xx-3xx errors keep their status code in lib/error-status.js. It stops and cites fastify #7089, the PR behind that rule.

Comments

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