mcp-multiplexer 0.1.0

One MCP server fronting many: 7 meta-tools instead of every tool schema in context
Documentation 
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use mcp_multiplexer::cache::*;

#[test]
fn roundtrip() {
    let dir = std::env::temp_dir().join(format!("mcpmux-test-{}", std::process::id()));
    std::fs::create_dir_all(&dir).unwrap();
    let mut c = Cache::default();
    c.servers.insert(
        "s".into(),
        vec![ToolInfo {
            name: "t".into(),
            description: Some("d".into()),
            schema: serde_json::json!({"type":"object"}),
            annotations: None,
        }],
    );
    c.instructions.insert("s".into(), "use wisely".into());
    c.save_to(&dir.join("index.json"), 42).unwrap();
    let loaded = Cache::load_from(&dir.join("index.json"), 42);
    assert_eq!(loaded.servers["s"][0].name, "t");
    assert_eq!(loaded.instructions["s"], "use wisely");
    std::fs::remove_dir_all(&dir).ok();
}

#[test]
fn wrong_hash_or_corrupt_is_empty() {
    let dir = std::env::temp_dir().join(format!("mcpmux-test2-{}", std::process::id()));
    std::fs::create_dir_all(&dir).unwrap();
    let p = dir.join("index.json");
    std::fs::write(&p, "not json").unwrap();
    assert!(Cache::load_from(&p, 1).servers.is_empty());
    std::fs::remove_dir_all(&dir).ok();
}