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subreddit-pre-post-check

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Use this skill immediately before posting anything to a subreddit — "check if we can post this to r/X," "will this get removed," "is this link already on Reddit." Runs the four checks that prevent removals and bans: rules, community type, duplicate-URL, and wiki posting norms. Cheap insurance against the most expensive Reddit mistake.

skills/yahav-fuchs/subreddit-pre-post-check/SKILL.md

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What was checked

Matches the observed repository HEAD
Yes
Scanner rules are current
No
Repository scan complete
No
Skill scan complete
Yes
Observed behavior
Not checked yet
Last checked
Nov 5, 2026

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Repository stars (not skill ratings)
236
Repository last updated
Oct 20, 2026
License
MIT

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Use before any post or link share on Reddit. Produces a go / no-go verdict with the specific rule at issue. Exact commands live in `references/commands.md`.

## The four checks — in order, every time

1. **rules** — read the subreddit's rules in full. Rule violations get posts removed instantly, and repeat removals flag the account
2. **community type** — restricted or private means stop; only approved members can post
3. **duplicate URL** — check the link hasn't been submitted there before. Duplicate posts get accounts banned
4. **wiki** — read the community wiki's index page; many subreddits keep their real posting norms there (flair requirements, self-promo windows, karma minimums)

Then verdict: **go** (with any constraints — required flair, allowed thread type, timing window) or **no-go** (with the exact rule that blocks it and an alternative if one exists — a weekly promo thread, a comment instead of a post).

## What good looks like

A great check quotes the specific rule text that governs the post and adapts the plan to it — "self-promotion allowed only in the Saturday thread, so hold until Saturday" — rather than a generic green light. What gets overlooked: karma and account-age minimums buried in wikis, and per-flair rules that differ from the sidebar. When the verdict is borderline, the answer is no — a removed post costs more than a skipped one.
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