Function select_tools_for_prompt

core/src/tools/selector.rs:77–112

(tools: &[ToolDefinition], prompt: &str)

}

pub fn select_tools_for_prompt(tools: &[ToolDefinition], prompt: &str) -> Vec<ToolDefinition> {
    if tools.is_empty() {
        return Vec::new();
    }

    let prompt_lower = prompt.to_lowercase();
    let wants_web = contains_any(&prompt_lower, WEB_TERMS);
    let wants_fetch = contains_any(&prompt_lower, FETCH_TERMS);
    let wants_git = contains_any(&prompt_lower, GIT_TERMS);
    let wants_batch = contains_any(&prompt_lower, BATCH_TERMS);
    let wants_program = contains_any(&prompt_lower, PROGRAM_TERMS);
    let wants_mcp = contains_any(&prompt_lower, MCP_TERMS);

    let core: HashSet<&str> = CORE_TOOLS.iter().copied().collect();
    let mut selected = Vec::new();

    for tool in tools {
        let name = tool.name.as_str();
        let name_lower = name.to_lowercase();

        let include = core.contains(name)
            || (name == "web_search" && wants_web)
            || (name == "web_fetch" && (wants_web || wants_fetch))
            || (name == "git" && wants_git)
            || (name == "batch" && wants_batch)
            || (name == "program" && wants_program)
            || should_include_mcp_tool(name, &name_lower, &prompt_lower, wants_mcp)
            || (!is_known_special_tool(name) && !name.starts_with("mcp__"));

        if include {
            selected.push(tool.clone());
        }
    }

    selected
}

fn should_include_mcp_tool(
    name: &str,