Open source grammar check tool

pyLanguagetool

pip install pylanguagetool

# pipe text to pylanguagetool

echo "This is a example" | pylanguagetool

# read text from a file

pylanguagetool textfile.txt

# read text from stdin

pylanguagetool < textfile.txt

# read text from the systems clipboard

pylanguagetool -c # get text from system clipboard

Reference:

https://github.com/Findus23/pyLanguagetool