sync_env_from_1password

sync_env_from_1password is a skill for Claude Code from markmhendrickson/neotoma. It costs 14 tokens per session (1,871 once invoked), scanned A, a copy of sync-env-from-1password, MIT.

A workflow that copies environment-variable values from 1Password into a local .env file using configured variable mappings. A .env file stores settings and secrets that software reads from its environment.

In plain words
What is it for?
Use it to update development or production API keys and other environment variables from 1Password.
Why use it?
It reduces manual secret copying while backing up the file, preserving unmanaged variables, and avoiding printing secret values.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

Not installable: its command points at a path on the author’s own machine, so it runs nowhere else. The line is /Users/markmhendrickson/repos/ateles/mcp/onepassword/run-onepassword-mcp.sh.

Good fit Use it to update development or production API keys and other environment variables from 1Password.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

There is no command for this one: it runs only inside a plugin, and the catalogue could not identify which plugin ships it. The source is linked below.

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for sync_env_from_1password

README.md
[![agentmods](https://agentmods.dev/badge/skills/markmhendrickson/neotoma/sync_env_from_1password/github.svg)](https://agentmods.dev/skills/markmhendrickson/neotoma/sync_env_from_1password)
Your own site
<a href="https://agentmods.dev/skills/markmhendrickson/neotoma/sync_env_from_1password"><img src="https://agentmods.dev/badge/skills/markmhendrickson/neotoma/sync_env_from_1password/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for sync_env_from_1password

Your own site · 80×15
<a href="https://agentmods.dev/skills/markmhendrickson/neotoma/sync_env_from_1password"><img src="https://agentmods.dev/badge/skills/markmhendrickson/neotoma/sync_env_from_1password.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 14 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,871 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 89% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00014 $0.01871
Opus 5.5 $0.00006 $0.00748
Sonnet 5.5 $0.00003 $0.00374
Haiku 4.5 $0.00001 $0.00187

Measured 1mo ago against content hash e8d2b436b59f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

sync_env_from_1password scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

89% identical to sync-env-from-1password — 12 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.claude/skills/sync_env_from_1password/SKILL.md · 302 lines

How it starts

The opening of the file, as written. The whole thing — 302 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Sync Environment Variables from 1Password

Sync environment variables from 1Password to local .env file using environment variable mappings stored in the truth layer (per neotoma_parquet_migration_rules.mdc).

Command

sync_env_from_1password

or

sync env from 1password

Purpose

This command syncs environment variables from 1Password to your local .env file based on mappings stored in the truth layer (per neotoma_parquet_migration_rules.mdc). Parquet path when used: $DATA_DIR/env_var_mappings/env_var_mappings.parquet.

Key features:

  • Automatic backup before modification
  • Preserves unmanaged environment variables
  • Never prints secret values
  • Supports environment-based keys (e.g., different API keys for dev/prod)
  • Uses 1Password MCP server (preferred) or CLI (fallback)

Prerequisites

Option 1: 1Password MCP Server (Recommended)

Benefits:

  • Persistent connection (no session expiration)
  • Better error handling
  • No repeated authentication
  • Consistent with other MCP integrations

Setup:

  1. Ensure 1Password CLI is installed:

    brew install 1password-cli
    op signin
    
  2. Configure MCP server in ~/.cursor/mcp.json:

    {
      "mcpServers": {
        "onepassword": {
          "command": "bash",
          "args": [
            "/Users/markmhendrickson/repos/ateles/mcp/onepassword/run-onepassword-mcp.sh"
          ],
          "env": {}
        }
      }
    }
    
  3. Verify MCP server is running:

    • Restart Cursor after updating mcp.json
    • MCP server status visible in Cursor MCP panel

For detailed setup instructions, see: mcp/onepassword/README.md

Option 2: 1Password CLI (Fallback)

When to use:

  • MCP server not configured
  • Temporary/one-off sync
  • Troubleshooting MCP issues

Setup:

  1. Install 1Password CLI:

    brew install 1password-cli
    
  2. Sign in:

    op signin
    

Read the full file on GitHub · 302 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 302 lines · 14 tokens per session scan A e8d2b436b59f

Subscribe to this mod's changes

sync_env_from_1password is a skill published in the GitHub repository markmhendrickson/neotoma (34 stars, last pushed 2d ago), licensed MIT. It adds 14 tokens to every session and 1,871 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 89% identical to sync-env-from-1password, differing in 12 lines, and is treated as a copy.

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