A lightweight, multi-client memory layer that persists cross-project coding conventions
Project description
Helix
Global convention memory for AI coding agents — persist your coding preferences once, surface them in every Claude Code, Cursor, or MCP-compatible session.
Install
# With uv (recommended)
uv tool install helix-memory
# Or with pip
pip install helix-memory
Quick start
# 1. Hook Helix into your agent (Claude Code, Cursor, …).
helix install
# 2. Save your first convention.
helix remember pydantic-validation \
"Prefer Pydantic v2 for any external-boundary validation." \
--tags python,validation
From there, your next agent session will see the conventions automatically.
CLI
helix remember <name> "<body>" --tags <comma,separated>
helix list [--tags <tag>]
helix recall "<query>" [--tags <tag>]
helix forget <name>
helix install # wire Helix into your agent
helix uninstall # remove the integration
helix serve # start the MCP server
MCP server
helix serve starts a stdio MCP server that exposes four tools: remember, recall, list_conventions, forget.
Claude Code
Project-scoped (recommended — one .mcp.json per repo):
// .mcp.json at the project root
{
"mcpServers": {
"helix": {
"command": "helix",
"args": ["serve"]
}
}
}
User-scoped (available in every project):
claude mcp add helix -- helix serve
Or edit ~/.claude.json manually:
{
"mcpServers": {
"helix": {
"command": "helix",
"args": ["serve"]
}
}
}
Cursor
Global (all projects):
// ~/.cursor/mcp.json
{
"mcpServers": {
"helix": {
"command": "helix",
"args": ["serve"]
}
}
}
Project-scoped:
// .cursor/mcp.json at the project root
{
"mcpServers": {
"helix": {
"command": "helix",
"args": ["serve"]
}
}
}
After adding the config, restart your client. Verify the server is visible: in Claude Code run /mcp, in Cursor open the MCP panel.
License
MIT
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