tinyhumansai/openhuman · error · anyhow::Error
Missing 'direction' for scroll
Error message
Missing 'direction' for scroll
What it means
Action-argument validation in parse_browser_action: the `scroll` action was requested but its required `direction` argument is absent or not a string. Fires before any browser automation runs; `pixels` is optional and clamped via u32::try_from.
Source
Thrown at src/openhuman/tools/impl/browser/action_parser.rs:107
.get("key")
.and_then(|v| v.as_str())
.ok_or_else(|| anyhow::anyhow!("Missing 'key' for press"))?;
Ok(BrowserAction::Press { key: key.into() })
}
"hover" => {
let selector = args
.get("selector")
.and_then(|v| v.as_str())
.ok_or_else(|| anyhow::anyhow!("Missing 'selector' for hover"))?;
Ok(BrowserAction::Hover {
selector: selector.into(),
})
}
"scroll" => {
let direction = args
.get("direction")
.and_then(|v| v.as_str())
.ok_or_else(|| anyhow::anyhow!("Missing 'direction' for scroll"))?;
Ok(BrowserAction::Scroll {
direction: direction.into(),
pixels: args
.get("pixels")
.and_then(serde_json::Value::as_u64)
.map(|p| u32::try_from(p).unwrap_or(u32::MAX)),
})
}
"is_visible" => {
let selector = args
.get("selector")
.and_then(|v| v.as_str())
.ok_or_else(|| anyhow::anyhow!("Missing 'selector' for is_visible"))?;
Ok(BrowserAction::IsVisible {
selector: selector.into(),
})
}
"close" => Ok(BrowserAction::Close),View on GitHub (pinned to 7491200858)
Solutions
- Include `direction` as a string (up/down/left/right) in the scroll args
- Optionally add `pixels` as a number
Defensive patterns
Strategy: validation
When it happens
Trigger: Thrown at src/openhuman/tools/impl/browser/action_parser.rs:107 when the library encounters an invalid state.
Common situations: See trigger scenarios.
AI-assisted analysis of tinyhumansai/openhuman@7491200858 (2026-08-17).
Data as JSON: /api/errors/84233326ded55662.
Report an issue: GitHub.