The Greens leader, David Shoebridge , has used a scathing report from the commonwealth ombudsman to press the government to use the last two sitting weeks of parliament to restore human override to its “unfair” aged care assessment tool.

The 104-page ombudsman report , published on Monday, recommends the government change legislation so that aged care workers assessing older Australians for home support packages can amend the outcome when the algorithm-driven assessment tool makes an incorrect decision on funding.

Known as the integrated assessment tool (IAT), the ombudsman found it is leading to unfair outcomes, and has undermined the public’s confidence in aged care. Assessors meet older people, complete a questionnaire about their needs, and an algorithm then decides whether funding should be allocated, and at what level.

“People are tearing their hair out at what’s happening,” Shoebridge said.

“We’ve got aged care workers who are trying to help their clients … and the computer just says no.…