# tRPC Client Devtools

> An unofficial tRPC devtools extension to inspect your queries, mutations and subscriptions

Canonical page: [https://chrome-stats.com/d/trpc-client-devtools](https://chrome-stats.com/d/trpc-client-devtools)

## Overview

- **ID:** `trpc-client-devtools`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Roy Henriquez
- **Category:** web-development
- **Daily users:** 21
- **Weekly downloads:** 1
- **Version:** 0.1.2
- **Last updated:** 2022-10-12
- **First published:** 2022-10-07
- **Size:** 107 KB
- **Data as of:** 2026-09-05
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/trpc-client-devtools/)

## Description

tRPC Client Devtools is an unofficial Firefox add-on that allows you to inspect and monitor queries, mutations, and subscriptions in your tRPC app. It provides a user-friendly interface within the Firefox inspector, allowing you to view input, results, and elapsed time for each query, mutation, and subscription. Install the trpc-client-devtools-link npm package and add it to your tRPC client config to use this extension.

## Rankings

- #24,081 — Overall
- #92 — subscriptions
- #97 — query
- #104 — subscription

## Permissions and access

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/trpc-client-devtools)