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Harper – an open-source alternative to Grammarly

(writewithharper.com)
645 points ReadCarlBarks | 9 comments | 20 Jun 25 19:51 UTC | HN request time: 1.246s | source | bottom
1. demarq ◴[20 Jun 25 22:58 UTC] No.44332887[source]▶
"Me and Jennifer went to have seen the ducks cousin."

No errors detected. So this needs a lot of rule contributions to get to Grammarly level.

replies(4): >>44333026 #>>44333237 #>>44334482 #>>44337219 #
2. wellthisisgreat ◴[20 Jun 25 23:19 UTC] No.44333026[source]▶
What the duck is that test
replies(1): >>44333150 #
3. canyp ◴[20 Jun 25 23:39 UTC] No.44333150[source]▶
Nominative vs objective
replies(1): >>44334680 #
4. alpb ◴[20 Jun 25 23:54 UTC] No.44333237[source]▶
Similarly 0 grammatical errors flagged: "My name John. What your name? What day today?"
5. Tsarp ◴[21 Jun 25 04:22 UTC] No.44334482[source]▶
I was initially impressed. But then I tested a bunch, it wasn't catching some really basic things. Mostly hit or miss.
6. thfuran ◴[21 Jun 25 05:06 UTC] No.44334680{3}[source]▶
There's a little more going on than that.
replies(2): >>44338736 #>>44339691 #
7. marginalia_nu ◴[21 Jun 25 12:56 UTC] No.44337219[source]▶
Goes the other way around too. For

> In large, this is _how_ anything crawler-adjacent tends to be

It suggests

> In large, this is how _to_ anything crawler-adjacent tends to be

8. canyp ◴[21 Jun 25 16:22 UTC] No.44338736{4}[source]▶
Yeah, I stopped parsing after "Me and Jennifer".
9. rdlw ◴[21 Jun 25 18:33 UTC] No.44339691{4}[source]▶
In addition to case, it's testing tense (went to have seen) and plural vs. posessive (ducks cousin)