External Application LauncherCAUTION
Communicate with external applications of your OS through a toolbar button or context menu item.
Overview
From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.
Use external applications through a toolbar button or context menu item.
This extension lets you create a customizable toolbar button (action button) and context menu items to execute programs with your chosen command-line arguments. For example, you can:
- Send the current page to another browser
- Send selected text to a text editor
- Send image URLs to a photo editor
- Send download links to an external download manager!
YouTube Preview
[](https://www.youtube.com/watch?v=sTOHWbX7dKU)
MCP Server
This extension can be used with coding agents such as OpenCode. Also it can help other extensions to introduce their tools to the agents. Read FAQs page for more info.
Links
5d1f6c803b85OBSERVED · 2026-10-06Exposed tools (1)
0 read · 1 write · 0 destructive.
| Tool | Risk | Description |
|---|---|---|
chrome_send_message | write | Send a message using chrome.runtime.sendMessage |
Trust audit
CAUTIONgrade B · trust 89/100 Install with care. The audit found things worth knowing before you trust its output.
| Layer | What it checks | Result |
|---|---|---|
| L0 | Provenance & inventory | WARN |
| L1 | Static analysis of the code | PASS |
| L2 | Instruction surface (what it tells the agent) | PASS |
| L3 | Class-specific surface | PASS |
| L4 | Behavioural (sandbox) | SKIPPED |
What the source does
- Filesystem
- none-observed
- Network
- declared (5 observation(s))
- Shell
- none-observed
- Dependencies
- pinned
- Secrets in source
- none-found
Findings (4)
v2/chrome/common.js
v2/chrome/configs
v2/chrome/data
v2/chrome/termlib_parser.js
Gates applied: no_behavioural_pass.
5d1f6c803b85full audit observations/trust-audit/mcp-server/andy-portmen__external-application-launcher.json · Report an issue / request a re-scanAudit history
Every audit this server has had. A grade with a past is a grade somebody is still checking.
| Date | Source | Verdict | Grade | Score | Change |
|---|---|---|---|---|---|
| 2026-10-06 | 5d1f6c803b85 | CAUTION | B | 89 | first audit |
Questions
What is the External Application Launcher MCP server?
Communicate with external applications of your OS through a toolbar button or context menu item.
What tools does External Application Launcher expose?
1 in total: 0 read-only, 1 that write, and 0 that can delete or overwrite. Every one is listed on this page with its risk.
Is External Application Launcher safe to connect to an agent?
With care. The audit graded it B (89/100) and found 4 things worth knowing before you trust this server, listed below with the exact line each was found on.
What credentials does External Application Launcher need?
No credential environment variables were found in its source, so it appears to need none.
How current is this page?
The grade is for one exact copy of the source (5d1f6c803b85), read on 2026-10-06. The repository is watched and re-audited when it changes.