kwaak 0.16.2

Run a team of autonomous agents on your code, right from your terminal
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157

use serde::{Deserialize, Serialize};
use swiftide::agents::tools::mcp::ToolFilter;

use super::ApiKey;

#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum McpServer {
    /// Spawns the mcp server in a sub process
    SubProcess {
        /// The name of the mcp server
        name: String,
        /// The main command to run
        command: String,
        /// Any arguments to pass to the the command
        #[serde(default)]
        args: Vec<String>,
        /// Any filters to apply to the tools
        #[serde(default, with = "opt_ext_tool_filter")]
        filter: Option<ToolFilter>,
        #[serde(default)]
        /// Any environment variables to set
        env: Option<Vec<(String, ApiKey)>>,
    },
}

// Wraps the swiftide tool filter so we can control how it is serialized
//
// In toml it looks like this:
//
// ```toml
// filter = { type = "whitelist", tool_names = ["tool1", "tool2"] }
//
// # or
//
// [mcp.filter]
// type = "whitelist"
// tool_names = ["tool1", "tool2"]
// ```
mod opt_ext_tool_filter {
    use super::ToolFilter;
    use serde::{Deserialize, Deserializer, Serialize, Serializer};

    #[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
    #[serde(
        remote = "ToolFilter",
        tag = "type",
        content = "tool_names",
        rename_all = "snake_case"
    )]
    pub enum ToolFilterDef {
        Whitelist(Vec<String>),
        Blacklist(Vec<String>),
    }

    #[allow(clippy::ref_option, reason = "not with serde")]
    pub fn serialize<S>(value: &Option<ToolFilter>, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        #[derive(Serialize)]
        struct Helper<'a>(#[serde(with = "ToolFilterDef")] &'a ToolFilter);

        value.as_ref().map(Helper).serialize(serializer)
    }

    pub fn deserialize<'de, D>(deserializer: D) -> Result<Option<ToolFilter>, D::Error>
    where
        D: Deserializer<'de>,
    {
        #[derive(Deserialize)]
        struct Helper(#[serde(with = "ToolFilterDef")] ToolFilter);

        let helper = Option::deserialize(deserializer)?;
        Ok(helper.map(|Helper(external)| external))
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use toml; // Make sure to include `toml` in your `Cargo.toml` dependencies

    #[test]
    fn test_deserialize_subprocess_basic() {
        let toml_data = r#"
            name = "test_server"
            command = "run"
        "#;

        let server: McpServer = toml::from_str(toml_data).expect("Deserialization failed");

        match server {
            McpServer::SubProcess {
                name,
                command,
                args,
                filter,
                env,
            } => {
                assert_eq!(name, "test_server");
                assert_eq!(command, "run");
                assert!(args.is_empty());
                assert!(filter.is_none());
                assert!(env.is_none());
            }
        }
    }

    #[test]
    fn test_deserialize_subprocess_with_args() {
        let toml_data = r#"
            name = "test_server"
            command = "run"
            args = ["--verbose", "--debug"]
        "#;

        let server: McpServer = toml::from_str(toml_data).expect("Deserialization failed");

        match server {
            McpServer::SubProcess {
                name,
                command,
                args,
                ..
            } => {
                assert_eq!(name, "test_server");
                assert_eq!(command, "run");
                assert_eq!(args, vec!["--verbose".to_string(), "--debug".to_string()]);
            }
        }
    }

    #[test]
    fn test_deserialize_subprocess_with_filter() {
        let toml_data = r#"
            name = "test_server"
            command = "run"
            
            [filter]
            type = "whitelist"
            tool_names = ["tool1", "tool2"]
        "#;

        let server: McpServer = toml::from_str(toml_data).expect("Deserialization failed");

        if let McpServer::SubProcess {
            filter: Some(ToolFilter::Whitelist(opts)),
            ..
        } = server
        {
            assert_eq!(opts, vec!["tool1".to_string(), "tool2".to_string()]);
        } else {
            panic!("Expected McpServer::SubProcess with filter");
        }
    }
}