hall-monitor

Thread every change from PR to production

Open a PR. Watch CI run. See it approved, merged, deployed to staging, then production — all in one Slack thread. Zero babysitting.

Setup in under 5 minutes
GitHub
GitHub Actions
GitLab
CI/CD
Vercel
Webhooks
hall-monitor
eng-prs
hm
PR #482 opened: Refactor webhook validation pipeline
CI running — ci/tests10:32
CI passed — ci/tests10:34
Approved by @sarah10:41
PR #482 merged to main10:43
Deploying to staging...10:44
Staging deploy succeeded — v1.24.0-rc.110:45
Deploying to production...10:47
Production deploy succeeded — v1.24.010:48
0 replies · in #eng-prs

Everything threads together

Most tools cover one slice of the picture. The GitHub Slack app sends individual event notifications. CI tools post their own updates. hall-monitor connects them all — PR, CI, reviews, and deploy — into a single thread your whole team can follow.

PR lifecycle threading

Every PR gets a Slack thread that updates in real time — reviews, CI checks, merges — all in one place.

Deploy tracking

Deployments get their own thread listing every included PR. Watch builds, staging, and production roll out step by step.

Cross-channel threading

Updates flow across channels — like #eng-prs and #deployments — so stakeholders see what's relevant wherever they already are.

One thread replaces multiple tabs, tools, and notifications

Stop piecing together the story from scattered notifications across tools.

Without hall-monitor

GitHubPR opened notification
GitHubCI failed email
GitHubReview approved email
CIBuild passed — check dashboard
SlackSomeone asks: did that ship?
DeployCheck deploy dashboard manually

6 notifications across 4 tools. No connection between them.

With hall-monitor

#eng-prs
hm
PR #482 opened: Refactor webhook validation pipeline
10:32 AM
CI running — ci/tests
10:32 AM
CI passed — ci/tests
10:34 AM
Approved by @sarah
10:41 AM
PR #482 merged to main
10:43 AM
Deploying to staging...
10:44 AM
Staging deploy succeeded — v1.24.0-rc.1
10:45 AM
Deploying to production...
10:47 AM
Production deploy succeeded — v1.24.0
10:48 AM
0 replies

1 thread in Slack. Full story, automatically.

Works with your stack

hall-monitor connects to the tools your team already uses via webhooks. No custom integrations needed.

Slack
GitHub
GitHub Actions
CircleCI
GitLab CI
Jenkins

How it works

Set up once, then everything flows automatically.

1

Connect Slack

Install the hall-monitor Slack app to grant it permission to post messages, threads, and DMs to your workspace channels.

2

Connect GitHub

Install the hall-monitor GitHub App to receive webhook events from your repos automatically. No manual URL or secret configuration needed.

3

Set a default Slack channel

Choose where hall-monitor posts notifications by default. Route PRs and deploys to separate channels any time from your channel routing settings.

How hall-monitor compares

Other tools cover individual parts of the pipeline. hall-monitor threads the full story from PR open to production deploy.

Capabilityhall-monitorGitHub Slack appManual piecing
PR notifications
PR lifecycle threading
CI status in thread
Deploy tracking
Deploy-to-PR linking
Cross-channel updates

Based on publicly available features as of 2026.

Frequently asked questions

How does hall-monitor differ from GitHub's Slack integration?
GitHub's Slack app is great at notifying you about individual events — a PR opened, a check failed. hall-monitor threads the entire lifecycle of a change into a single Slack thread: PR open, CI runs, reviews, and the final deploy. You get the full story in one place, not a stream of disconnected notifications.
What permissions does hall-monitor need in Slack?
hall-monitor requires the ability to read and post messages in channels that it has been invited to and will post in. It never reads DMs or private channels you haven't explicitly configured.
Which CI providers are supported?
Any CI service that reports status via GitHub check runs or check suites works automatically — GitHub Actions, CircleCI, GitLab CI (with GitHub integration), Jenkins (with the GitHub plugin), etc. No CI-specific configuration needed. If you aren't using GitHub or your CI provider doesn't integrate with GitHub, hall-monitor can also ingest status via its API so you can report results with a custom webhook at any point.
Can I use hall-monitor with a monorepo?
Yes. hall-monitor tracks changes at the PR level, not the repo level. Multiple services deploying from the same repo each get their own deploy threads with only the relevant PRs listed.
Can I use hall-monitor with multiple repos?
Yes. hall-monitor can be installed on any number of repos. Each repo's PRs and deploys can thread into the same Slack channels or unique ones, giving you a unified view across your entire codebase.
Is there a self-hosted option?
Not at this stage. If you have self-hosted or on-prem requirements, please reach out — let's talk.
What happens if Slack is down?
hall-monitor queues events and retries with exponential backoffs. Once Slack recovers, queued updates post in order but you can also replay events manually from the dashboard.

Stop losing context across tools

Get the full narrative of every change — from the first commit to the production deploy — threaded in Slack where your team already works.