aaif-goose/goose · error

Invalid response format: missing content array

Error message

Invalid response format: missing content array

What it means

Error "Invalid response format: missing content array" thrown in aaif-goose/goose.

Source

Thrown at crates/goose-provider-types/src/formats/anthropic.rs:522

    if options.prompt_cache_disabled {
        return json!([{
            TYPE_FIELD: TEXT_TYPE,
            TEXT_TYPE: system
        }]);
    }
    json!([{
        TYPE_FIELD: TEXT_TYPE,
        TEXT_TYPE: system,
        CACHE_CONTROL_FIELD: { TYPE_FIELD: "ephemeral" }
    }])
}

/// Convert Anthropic's API response to internal Message format
pub fn response_to_message(response: &Value) -> Result<Message> {
    let content_blocks = response
        .get(CONTENT_FIELD)
        .and_then(|c| c.as_array())
        .ok_or_else(|| anyhow!("Invalid response format: missing content array"))?;

    let mut message = Message::assistant();

    for block in content_blocks {
        match block.get(TYPE_FIELD).and_then(|t| t.as_str()) {
            Some(TEXT_TYPE) => {
                if let Some(text) = block.get(TEXT_TYPE).and_then(|t| t.as_str()) {
                    message = message.with_text(text.to_string());
                }
            }
            Some(TOOL_USE_TYPE) => {
                let id = block
                    .get(ID_FIELD)
                    .and_then(|i| i.as_str())
                    .ok_or_else(|| anyhow!("Missing tool_use id"))?;
                let name = block
                    .get(NAME_FIELD)
                    .and_then(|n| n.as_str())

View on GitHub (pinned to 3810898a74)

When it happens

Trigger: Thrown at crates/goose-provider-types/src/formats/anthropic.rs:522 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of aaif-goose/goose@3810898a74 (2026-08-16). Data as JSON: /api/errors/760ad0c30a08f234. Report an issue: GitHub.