# Blowhorn

> Blowhorn is a social media console that takes one message and broadcasts, reposts and amplifies it across every profile and platform your community runs, on autopilot. Made by Layer5 for macOS.

## Pages
- [Blowhorn: one message, many ears](https://blowhorn.ai/index.md): Stop pasting the same post into seven tabs. One queue. Every profile. Posted as you, from your own Chrome. Made by Layer5 for macOS.

## Trust Center
- [Trust Center](https://blowhorn.ai/legal/index.md): How Blowhorn handles your data, sessions and accounts, in plain language, and every policy that covers the Blowhorn website, the Blowhorn app for macOS and the Blowhorn Chrome extension.


- [Privacy](https://blowhorn.ai/legal/privacy/index.md): What the Blowhorn website and the Blowhorn app store, where they store it, and what the app sends.
- [Terms](https://blowhorn.ai/legal/terms/index.md): The terms between you and Layer5, Inc. for the Blowhorn website, the Blowhorn app for macOS and the Blowhorn Chrome extension.

## Blowhorn docs
- [Blowhorn docs](https://blowhorn.ai/docs/index.md): Tutorials, how-to guides, reference, and explanation for the Layer5 Blowhorn app for macOS.

- [Get started](https://blowhorn.ai/docs/tutorials/index.md): Short lessons that walk you through Blowhorn end to end.
- [How-to guides](https://blowhorn.ai/docs/how-to/index.md): Reach one goal: steps first, for a reader who knows the basics.
- [Set up](https://blowhorn.ai/docs/how-to/set-up/index.md): Install Blowhorn, sign in, connect Chrome, and add profiles.
- [Publish](https://blowhorn.ai/docs/how-to/publish/index.md): Queue a post, preview it, publish it, reply, and amplify.
- [Grow your audience](https://blowhorn.ai/docs/how-to/grow/index.md): Follow, find conversations, and build an audience.
- [Schedule and automate](https://blowhorn.ai/docs/how-to/schedule/index.md): Jobs, pausing, and the background service.
- [Measure](https://blowhorn.ai/docs/how-to/measure/index.md): Analytics and run history.
- [Settings](https://blowhorn.ai/docs/how-to/settings/index.md): Defaults and how Blowhorn reaches Chrome.
- [Troubleshooting](https://blowhorn.ai/docs/how-to/troubleshoot/index.md): Fix what stopped working, symptom first.
- [Manage](https://blowhorn.ai/docs/how-to/manage/index.md): Update and uninstall.
- [Reference](https://blowhorn.ai/docs/reference/index.md): Look it up: the app, the platforms, the commands, and every message.
- [CLI reference](https://blowhorn.ai/docs/reference/cli/index.md): Every command, the shared flags, and profile resolution.
- [Explanation](https://blowhorn.ai/docs/explanation/index.md): Understand why: context and trade-offs, no procedures.

- [Install the app](https://blowhorn.ai/docs/how-to/set-up/install-the-app/index.md): Download the signed Mac app from blowhorn.ai and verify it.
- [Install the Chrome extension](https://blowhorn.ai/docs/how-to/set-up/install-the-chrome-extension/index.md): Add the Blowhorn extension from the Chrome Web Store, or load it unpacked during early access.
- [Map Blowhorn profiles to Chrome profiles](https://blowhorn.ai/docs/how-to/set-up/map-chrome-profiles/index.md): Say which real Chrome profile each Blowhorn profile belongs to on this machine.
- [Sign a profile in to each platform](https://blowhorn.ai/docs/how-to/set-up/platform-accounts/index.md): Browser sign-ins, tokens, and app passwords each profile needs before it can post.
- [Post content](https://blowhorn.ai/docs/how-to/publish/post-content/index.md): Preview and publish queued posts across profiles and platforms.
- [Manage the content queue](https://blowhorn.ai/docs/how-to/publish/manage-the-content-worksheet/index.md): Add, edit, and track queued posts in the Content screen and from the command line.
- [Amplify an existing post](https://blowhorn.ai/docs/how-to/publish/amplify-a-post/index.md): Repost, retweet, quote, upvote, or react to a post from every profile.
- [Amplify an issue or pull request on GitHub](https://blowhorn.ai/docs/how-to/publish/amplify-on-github/index.md): React to GitHub issues and pull requests from every profile.
- [Post to Reddit and Bluesky](https://blowhorn.ai/docs/how-to/publish/post-to-reddit-and-bluesky/index.md): Queue Reddit posts and Bluesky posts, threads, and reposts.
- [Post to Hacker News](https://blowhorn.ai/docs/how-to/publish/post-to-hacker-news/index.md): Submit links and text posts, comment, and stay within the daily cap.
- [Reply to a post](https://blowhorn.ai/docs/how-to/publish/reply-to-a-post/index.md): Comment on LinkedIn, Reddit, and Bluesky rows, and reply on X.
- [Send a Slack message](https://blowhorn.ai/docs/how-to/publish/send-a-slack-message/index.md): Queue Slack rows or send one message typed on the command line.
- [Follow accounts](https://blowhorn.ai/docs/how-to/grow/follow-on-github/index.md): Follow accounts on X, Bluesky, and GitHub, and unfollow on Bluesky.
- [Find conversations on Bluesky](https://blowhorn.ai/docs/how-to/grow/find-on-bluesky/index.md): Search Bluesky posts by query, date, author, and other filters.
- [Build a GitHub audience](https://blowhorn.ai/docs/how-to/grow/build-a-github-audience/index.md): List a repository's stargazers, contributors, or watchers into the store.
- [Accept incoming invitations](https://blowhorn.ai/docs/how-to/grow/accept-invitations/index.md): Answer received LinkedIn invitations; flagged ones are skipped.
- [Withdraw stale invitations](https://blowhorn.ai/docs/how-to/grow/withdraw-invitations/index.md): Preview and withdraw old sent invitations to reclaim headroom.
- [Schedule a job](https://blowhorn.ai/docs/how-to/schedule/schedule-a-job/index.md): Run posts and other commands on a schedule, from the Jobs screen or the command line.
- [Pause and resume posting](https://blowhorn.ai/docs/how-to/schedule/pause/index.md): Stop every scheduled claim on one machine, every machine, or one row, then resume.
- [Find out why a job did not run](https://blowhorn.ai/docs/how-to/schedule/why-not-run/index.md): Ask Blowhorn why one scheduled row ran or not, in one read-only command.
- [Keep posting when the app is closed](https://blowhorn.ai/docs/how-to/schedule/background-service/index.md): Run scheduled passes from the background service, and quit cleanly.
- [Collect and read your analytics](https://blowhorn.ai/docs/how-to/measure/analytics/index.md): Collect LinkedIn and X follower numbers, then read the history and the HTML report.
- [Review what ran](https://blowhorn.ai/docs/how-to/measure/review-runs/index.md): Read the runs ledger: what each machine did, what failed, and what was a preview.
- [Change your defaults](https://blowhorn.ai/docs/how-to/settings/defaults/index.md): Set pace, excluded profiles, dry-run default, notifications and logs, in the app or the config file.
- [Choose how Blowhorn reaches Chrome](https://blowhorn.ai/docs/how-to/settings/launch-mode/index.md): Stay on the extension default, or attach to your Chrome or launch Blowhorn's own. Advanced.
- [Troubleshooting](https://blowhorn.ai/docs/how-to/troubleshoot/troubleshooting/index.md): Start from the symptom: find the fix for what Blowhorn just told you.
- [Settle something Blowhorn could not confirm](https://blowhorn.ai/docs/how-to/troubleshoot/clicked-not-confirmed/index.md): Check the platform after a clicked-unread row, then clear it or leave it.
- [Fix a sign-in that stopped working](https://blowhorn.ai/docs/how-to/troubleshoot/sign-in-problems/index.md): Recover expired LinkedIn, X and Reddit sessions, and hand CAPTCHAs back to yourself.
- [Post to X when it will not confirm](https://blowhorn.ai/docs/how-to/troubleshoot/x-posting/index.md): What Blowhorn reads after Post on X, the extension typing limit, and what to check.
- [Fix the Chrome extension connection](https://blowhorn.ai/docs/how-to/troubleshoot/extension-connection/index.md): Reconnect the extension, resolve version mismatch, and clear bridge and profile contention.
- [Uninstall Blowhorn](https://blowhorn.ai/docs/how-to/manage/uninstall/index.md): Remove the app, the service, the extension host and the checkout's build products. macOS only.
- [System requirements](https://blowhorn.ai/docs/reference/requirements/index.md): What your Mac needs to run Blowhorn: macOS version, Chrome, and a Layer5 Cloud organization.
- [The Blowhorn app, screen by screen](https://blowhorn.ai/docs/reference/use-the-desktop-app/index.md): The menu-bar popover, the console screens, Setup, Settings, and what each one does.
- [Platforms](https://blowhorn.ai/docs/reference/platforms/index.md): What Blowhorn does on each platform: actions, browser or API, sign-in, and limits.
- [Content queue columns and row states](https://blowhorn.ai/docs/reference/content-queue/index.md): Every content column, what each platform reads from a row, and what each row state means.
- [Job options and schedules](https://blowhorn.ai/docs/reference/jobs/index.md): Schedule rows, recurrence words, driver mode, and the three pause scopes.
- [`blowhorn post` reference](https://blowhorn.ai/docs/reference/post/index.md): The posting command in full: pending rows, every flag, and per-platform behavior.
- [Profile reference](https://blowhorn.ai/docs/reference/profiles/index.md): What a profile is: its directory, its store row, its keys per platform, and the Chrome column.
- [Configuration reference](https://blowhorn.ai/docs/reference/configuration/index.md): Precedence, every `.blowhorn.yaml` option, environment variables, and output logging.
- [Messages and exit codes](https://blowhorn.ai/docs/reference/messages/index.md): Every refusal sentence keyed by its first words, with the cause, the fix, and the exit code.
- [Chrome extension permissions](https://blowhorn.ai/docs/reference/extension-permissions/index.md): Each permission the Blowhorn extension asks for, the sites it runs on, and why.
- [Plans and limits](https://blowhorn.ai/docs/reference/plans/index.md): Blowhorn is free during early access, with no tiers and no per-action charges.
- [Get help](https://blowhorn.ai/docs/reference/support/index.md): Where to look first, how to report a problem, and how to report a security issue.
- [Chrome reference](https://blowhorn.ai/docs/reference/chrome/index.md): The mapping commands, the two launch modes, the extension default, and Linux differences.
- [How Blowhorn works](https://blowhorn.ai/docs/explanation/how-it-works/index.md): The app, the engine, the extension, the background service, and your organization's store.
- [Where your data lives](https://blowhorn.ai/docs/explanation/your-data/index.md): What stays on your Mac, what lives in your organization's store, and what the extension reads.
- [Who can post as whom](https://blowhorn.ai/docs/explanation/eligibility/index.md): A credential is permission, a handle is not; a Chrome mapping is identity, not permission.
- [Why Blowhorn uses your own Chrome](https://blowhorn.ai/docs/explanation/your-own-chrome/index.md): Signed-in Chrome through the extension, APIs where they exist, and never headless.
- [How Blowhorn paces itself](https://blowhorn.ai/docs/explanation/reliability-and-anti-bot-design/index.md): Human typing and pauses, per-run pace, and why a failed post is not retried.
- [How Blowhorn avoids repeat posts](https://blowhorn.ai/docs/explanation/never-twice/index.md): One click per run, preview first, and what clicked-outcome-not-read means.
- [How scheduling works](https://blowhorn.ai/docs/explanation/scheduling/index.md): Ten-minute passes, one shared queue across Macs, leases, and the three pause scopes.
- [What runs when the app is closed](https://blowhorn.ai/docs/explanation/distribution/index.md): The background service, quitting, keep-running, and how updates reach a closed app.
- [Why flagged invitations are skipped](https://blowhorn.ai/docs/explanation/invitation-safety/index.md): A flagged invitation is LinkedIn warning you, so Blowhorn walks away instead of confirming.
- [What the analytics numbers mean](https://blowhorn.ai/docs/explanation/analytics/index.md): Measured versus trended counts, what each tile counts, and how fresh the numbers are.
- [Plans, offline use and lapses](https://blowhorn.ai/docs/explanation/plans/index.md): Why plans count profiles and platforms, the 72-hour offline grace, and why dry runs stay free.
- [You're in control](https://blowhorn.ai/docs/explanation/youre-in-control/index.md): Every worry in one place: getting banned, posting by mistake, posting twice, embarrassing yourself, and AI running away. The controls that stop each one, and where they live.