Who should use run-a-script?

run-a-script is an open-source project built for firefox users and developers who need persistent page scripting.

Is run-a-script free?

Yes — run-a-script is open source under the Open Source license and free to use.

What platforms does run-a-script run on?

run-a-script runs on the web and embeddable surfaces.

Is run-a-script still active?

Unverified. run-a-script has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to run-a-script?

Similar projects tracked by PulseGate include Run JavaScript, Script Runner, and Scripts Runner.

Who develops run-a-script?

run-a-script is developed by MIvanchev.

How long has run-a-script been around?

run-a-script first shipped in 2022.

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run-a-script

Name: run-a-script
Author: MIvanchev

github.comBrowser DevTools & extensions

run-a-script is an open-source Firefox extension that injects a single user-provided JavaScript script into every page visited. It is intended for developers and power users who want persistent browser-side customization or automation.

Open SourceWebEmbeddable

Visit github.com

Overview

4 features

In the Browser DevTools & extensions space, run-a-script takes a focused approach. It focuses on injecting the same custom JavaScript into every webpage without manually running it each time. run-a-script is an open-source project aimed at firefox users and developers who need persistent page scripting. The project is open source (Open Source). It runs on the web and embeddable surfaces.

Behind run-a-script is MIvanchev, and it first shipped in 2022. Among its 4 catalogued features are script injection, persistent execution, and firefox support.

Summary written by a language model from the project’s public pages.

Script injection
Persistent execution
Firefox support
Custom JavaScript

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed11 Sep · 18:55 UTC
run-a-script verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about run-a-script

What is run-a-script?: Run-a-script focuses on injecting the same custom JavaScript into every webpage without manually running it each time. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use run-a-script?: run-a-script is an open-source project built for firefox users and developers who need persistent page scripting.
Is run-a-script free?: Yes — run-a-script is open source under the Open Source license and free to use.
What platforms does run-a-script run on?: run-a-script runs on the web and embeddable surfaces.
Is run-a-script still active?: Unverified. run-a-script has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to run-a-script?: Similar projects tracked by PulseGate include Run JavaScript, Script Runner, and Scripts Runner.Run JavaScript Script Runner Scripts Runner
Who develops run-a-script?: run-a-script is developed by MIvanchev.
How long has run-a-script been around?: run-a-script first shipped in 2022.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
Built for: Firefox users and developers who need persistent page scripting
Model: Open source
Solves: Injecting the same custom JavaScript into every webpage without manually running it each time.

Registered as

Firefox Add-ons: run-a-script

Developer

MIvanchev

Index record

Indexed: 11 Sep 2026
Lifecycle: Alive
Last seen: 11 Sep 2026

Identity audit (13)

Slug: run-a-script-github-com
Lifecycle state recorded: 11 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 11 Sep 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Written by a language model from the project's public pages.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 11 Sep 2026
Canonical URL: https://github.com/MIvanchev/run-a-script

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