A Reddit keyword alert tool for developers who outgrew F5Bot

Most developers find their first Reddit keyword alert tool the same way: someone mentions F5Bot, you add your project's name, and a day later you get an email that someone on Reddit used it. That works until your project shares a name with something else. Name a CLI after a bird, a planet or a kitchen tool and the inbox fills with posts about birds, planets and kitchens. This guide covers why that happens, how to set up alerts that read the post first, and what to keep F5Bot for.

Why exact matching breaks

F5Bot's free plan checks whether a string appears in a new post or comment. It does not know whether "rust" means the language, the game or the oxide. AyeWatch's F5Bot write-up uses Mercury as the example: a bank, a planet and a chemical element, all matched equally.

F5Bot's paid flags help. Silver at $12.99 a month adds keyword filtering, so you can exclude words or require a second term, and you can limit results to certain subreddits. Gold at $49.99 adds AI filtering on two alerts. But keyword logic grows brittle, and Silver is for personal, non-commercial use, so a project with a paid tier is pushed toward Gold.

A setup that reads the thread

AyeWatch takes a different input. You write a sentence describing the discussion, and it judges each new post against that sentence by meaning. For a developer tool, a good Reddit monitor looks like this:

Monitor: Reddit posts about [project], the open-source CLI for [job].

Rule: Alert on bug reports, install problems, feature requests, and comparisons with [alternative]. Skip posts where the word means something else, and skip release announcements I posted myself.

Then decide where it should go:

1. Slack or Discord for the team channel, so whoever is on support sees it.
2. A webhook if you want to open an issue automatically. Events are HMAC-SHA256 signed and carry an AI-written summary.
3. The REST API if you want to create monitors per repo from a script.
4. The MCP server if you would rather tell your coding agent to "watch r/[subreddit] for questions about the new release".

You can scope the monitor to specific subreddits or Reddit users, and add a second monitor for the same project on X or YouTube, where tutorials and launch threads often appear.

What it costs and how fast it is

F5Bot figures come from its tiers page.

What to keep F5Bot for

Hacker News and Lobsters. Developer projects get discussed there, and AyeWatch does not list either as a monitor type. F5Bot's free plan covers both, and if your project name is unusual enough to pass its "less common keyword" check, it costs nothing to leave running alongside AyeWatch.

Speed is the other honest point. F5Bot finds matches every few minutes. If you need to answer a Reddit thread in its first ten minutes, F5Bot Gold's instant alerts are built for that.

A five-minute checklist

• Write one AyeWatch Reddit monitor per project, not per keyword. Put spellings and old names in the description.
• Add what to skip in plain English. This replaces your exclusion flags.
• Route bugs and questions to different channels if different people handle them.
• Keep F5Bot free on for Hacker News and Lobsters.
• After a week, read the alerts you ignored and tighten the rule.

AyeWatch's Free Preview runs three checks with no card, which is enough to see whether the noise drops. After that, paid plans start at $9 a month.