diff --git a/README.md b/README.md
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+++ b/README.md
@@ -139,6 +139,7 @@ http://localhost:8000
 - **Run DM unit tests**: `npm run test:dm:unit`
 - **Run DM integration tests**: `npm run test:dm:integration`
 - **Run headless E2E tests**: `npm run test:e2e`
+- **Cancel CI runs**: See [`docs/cancelling-ci-runs.md`](docs/cancelling-ci-runs.md) for a script to clear pending workflows.
 
 ### Running Tests in Docker
 
diff --git a/docs/cancelling-ci-runs.md b/docs/cancelling-ci-runs.md
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+# Cancelling CI Runs
+
+This document explains how to use the `scripts/cancel-all-ci-runs.sh` script to cancel pending or in-progress CI workflows. This is useful when you have a backlog of runs that are no longer needed.
+
+## Prerequisites
+
+- **GitHub CLI (`gh`)**: You must have the GitHub CLI installed and authenticated.
+  - Install: [GitHub CLI Installation Guide](https://github.com/cli/cli#installation)
+  - Authenticate: `gh auth login`
+
+## Usage
+
+### Basic Usage (Repo Root)
+
+From the root of the repository, you can simply run:
+
+```bash
+./scripts/cancel-all-ci-runs.sh
+```
+
+The script will automatically detect the repository from your git configuration.
+
+### Running from Anywhere
+
+You can run the script from any directory by setting the `REPO` environment variable:
+
+```bash
+REPO=PR0M3TH3AN/bitvid ./scripts/cancel-all-ci-runs.sh
+```
+
+### Previewing Runs
+
+Before cancelling, you might want to see which runs are currently active. You can use the following commands:
+
+```bash
+# List in-progress runs
+gh run list --repo PR0M3TH3AN/bitvid --status in_progress --limit 1000 --json databaseId,headBranch,name,createdAt | jq .
+
+# List queued runs
+gh run list --repo PR0M3TH3AN/bitvid --status queued --limit 1000 --json databaseId,headBranch,name,createdAt | jq .
+```
+
+## How it Works
+
+The script performs the following steps:
+1.  Checks if `gh` is installed.
+2.  Determines the repository (either from `REPO` env var or `gh repo view`).
+3.  Fetches IDs of all runs with status `in_progress` and `queued`.
+4.  Cancels them one by one using `gh run cancel`.
+
+### Why use this script?
+
+Trying to cancel runs in bulk using `xargs gh run cancel` directly can fail because some versions of `gh` only accept a single run ID per invocation. This script uses `xargs -n1` to ensure `gh run cancel` is called individually for each run ID, preventing "accepts at most 1 arg(s)" errors.