Configuration

pr-review stores its configuration at ~/.pr-review/config.json. This file is created automatically on first run with sensible defaults.

Config file location

~/.pr-review/config.json

Default config

~/.pr-review/config.json

{
  "defaultProvider": "claude",
  "defaultModels": {
    "claude": "claude-sonnet-4-6",
    "copilot": "claude-sonnet-4.6",
    "codex": "gpt-5.4",
    "gemini": "flash",
    "cursor": "default"
  },
  "defaultBaseBranch": "main",
  "maxDiffLength": 100000,
  "ignoreFiles": [
    "package-lock.json",
    "yarn.lock"
  ],
  "outputFile": "pr-review-review.md"
}

Config fields

Field	Type	Default	Description
`defaultProvider`	string	`"claude"`	Default AI provider
`defaultModels`	object	see above	Default model per provider (e.g. `claude-sonnet-4-6` for claude, `claude-sonnet-4.6` for copilot, `gpt-5.4` for codex, `flash` for gemini, `default` for cursor)
`defaultBaseBranch`	string	`"main"`	Default destination branch
`maxDiffLength`	number	`100000`	Max characters of diff to send (truncated if exceeded)
`ignoreFiles`	string[]	see above	Files excluded from the diff
`outputFile`	string	`"pr-review-review.md"`	Default output filename (overridden by PR number)

Editing config interactively

Run the config command to view and update settings:

terminal

pr-review config

Any CLI flag (e.g. --model, --base) overrides the corresponding config value for that single run without modifying the config file.