# Keepass Macpass Helper

> A helper extension to use KeePass/MacPass/KeePassXC from Firefox, Opera, and Chrome browsers

- **Type:** MCP server
- **Install:** `agentstack add mcp-belaviyo-keepass-macpass-helper`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [belaviyo](https://agentstack.voostack.com/s/belaviyo)
- **Installs:** 0
- **Category:** [Integrations](https://agentstack.voostack.com/c/integrations)
- **Latest version:** 0.1.0
- **License:** MPL-2.0
- **Upstream author:** [belaviyo](https://github.com/belaviyo)
- **Source:** https://github.com/belaviyo/keepass-macpass-helper
- **Website:** https://webextension.org/listing/keepass-helper.html

## Install

```sh
agentstack add mcp-belaviyo-keepass-macpass-helper
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

# KeePassHelper Password Manager
An extension for Chrome, Opera, Edge, and Firefox that integrates with KeePass, MacPass, and KeePassXC to find and fill credentials, generate secure passwords and passkeys, and save new logins directly to your database—no manual copying required.

### Preview

[](https://www.youtube.com/watch?v=L1Ze02XUi34)

### Components

  * List View: https://webextension.org/custom-component/list-view/index.html

### MCP Server
This extension can be used with coding agents such as OpenCode. Read [FAQs page](https://webextension.org/listing/keepass-helper.html) for more info. Also check the [mcp.json](/v3/mcp/mcp.json) (LLM tool definition) file which defines available tools for an agent, using JSON-RPC 2.0 as the envelope and JSON Schema for input/output.

### Links

  * Homepage: https://webextension.org/listing/keepass-helper.html
  * Chrome: https://chrome.google.com/webstore/detail/keepassmacpass-helper/jgnfghanfbjmimbdmnjfofnbcgpkbegj
  * Edge: https://microsoftedge.microsoft.com/addons/detail/bfmglfdehkodoiinbclgoppembjfgjkj
  * Firefox: https://addons.mozilla.org/firefox/addon/keepasshelper/
  * Opera: https://addons.opera.com/extensions/details/keepasshelper/

## Source & license

This open-source MCP server is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [belaviyo](https://github.com/belaviyo)
- **Source:** [belaviyo/keepass-macpass-helper](https://github.com/belaviyo/keepass-macpass-helper)
- **License:** MPL-2.0
- **Homepage:** https://webextension.org/listing/keepass-helper.html

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** no
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/mcp-belaviyo-keepass-macpass-helper
- Seller: https://agentstack.voostack.com/s/belaviyo
- Browse the marketplace: https://agentstack.voostack.com/browse

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Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.