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Every command an MCP client runs acts as the client's name from initialize (clientInfo.title, else .name) with ' (agent)' after it, or 'AI agent' without one, carried to the app as engine.execute {agent}. Its messages, reactions and read state are its own, and its messages are marked (agent: true in the file and comment.list, an Agent label in the thread). The user's name and comments made in the app are unchanged; in live sessions the name and marker travel with the thread.
51 lines
2.4 KiB
Rust
51 lines
2.4 KiB
Rust
//! An agent attached over MCP comments under its own name (#1414): the client's name from
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//! `initialize` (`clientInfo.title`, else `.name`), marked as an agent's, or "AI agent".
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use figcraft_mcp::Server;
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use serde_json::{Value, json};
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use crate::common::Client;
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fn rpc(s: &mut Server, method: &str, params: Value) -> Value {
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let line = json!({"jsonrpc": "2.0", "id": 1, "method": method, "params": params}).to_string();
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serde_json::from_str(&s.handle_line(&line).unwrap()).unwrap()
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}
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fn run(s: &mut Server, command: &str, params: Value) -> Value {
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let r = rpc(s, "tools/call", json!({"name": "run_command", "arguments": {"command": command, "params": params}}));
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assert_eq!(r["result"]["isError"], false, "{r}");
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serde_json::from_str(r["result"]["content"][0]["text"].as_str().unwrap()).unwrap()
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}
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/// The first message's (author, agent marker) after the server comments once.
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fn signed(s: &mut Server) -> (String, Value) {
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run(s, "comment.add", json!({"x": 10, "y": 10, "text": "Made it bigger"}));
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let t = run(s, "comment.list", json!({"filter": "all"}))["comments"][0].clone();
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(t["author"].as_str().unwrap().to_string(), t["agent"].clone())
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}
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#[test]
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fn an_agent_comments_under_its_clients_name() {
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let mut s = Server::headless();
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rpc(
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&mut s,
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"initialize",
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json!({"protocolVersion": "2025-06-18", "capabilities": {}, "clientInfo": {"name": "claude-code", "title": "Claude", "version": "1"}}),
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);
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assert_eq!(signed(&mut s), ("Claude (agent)".into(), json!(true)), "the title wins over the name");
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let mut c = Client::new();
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c.run("comment.add", json!({"x": 0, "y": 0, "text": "Hi"}));
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let t = c.run("comment.list", json!({}))["comments"][0].clone();
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assert_eq!((t["author"].clone(), t["agent"].clone()), (json!("test (agent)"), json!(true)), "the name without a title");
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assert_eq!(c.run("comment.people", json!({}))["you"], "test (agent)", "the agent is itself on every call");
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}
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#[test]
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fn an_agent_without_a_name_is_still_an_agent() {
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let mut s = Server::headless();
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assert_eq!(signed(&mut s), ("AI agent".into(), json!(true)), "no initialize");
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let mut s = Server::headless();
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rpc(&mut s, "initialize", json!({"protocolVersion": "2025-06-18", "capabilities": {}, "clientInfo": {"name": " ", "version": "1"}}));
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assert_eq!(signed(&mut s), ("AI agent".into(), json!(true)), "a blank name");
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}
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