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[MCP] Prefix MCP tools names with mcp__ (#5309)

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This should make it more clear that specific tools come from MCP
servers.

#4806 requested that we add the server name but we already do that.

Fixes #4806
This commit is contained in:
Gabriel Peal
2025-10-19 17:41:55 -07:00
committed by GitHub
parent 2d9ee9dbe9
commit 0170860ef2
4 changed files with 13 additions and 12 deletions
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14
codex-rs/core/src/mcp_connection_manager.rs
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@@ -65,8 +65,8 @@ fn qualify_tools(tools: Vec<ToolInfo>) -> HashMap<String, ToolInfo> {
let mut qualified_tools = HashMap::new();
for tool in tools {
let mut qualified_name = format!(
"{}{}{}",
tool.server_name, MCP_TOOL_NAME_DELIMITER, tool.tool_name
"mcp{}{}{}{}",
MCP_TOOL_NAME_DELIMITER, tool.server_name, MCP_TOOL_NAME_DELIMITER, tool.tool_name
);
if qualified_name.len() > MAX_TOOL_NAME_LENGTH {
let mut hasher = Sha1::new();
@@ -741,8 +741,8 @@ mod tests {
let qualified_tools = qualify_tools(tools);
assert_eq!(qualified_tools.len(), 2);
assert!(qualified_tools.contains_key("server1__tool1"));
assert!(qualified_tools.contains_key("server1__tool2"));
assert!(qualified_tools.contains_key("mcp__server1__tool1"));
assert!(qualified_tools.contains_key("mcp__server1__tool2"));
}
#[test]
@@ -756,7 +756,7 @@ mod tests {
// Only the first tool should remain, the second is skipped
assert_eq!(qualified_tools.len(), 1);
assert!(qualified_tools.contains_key("server1__duplicate_tool"));
assert!(qualified_tools.contains_key("mcp__server1__duplicate_tool"));
}
#[test]
@@ -784,13 +784,13 @@ mod tests {
assert_eq!(keys[0].len(), 64);
assert_eq!(
keys[0],
"my_server__extremely_lena02e507efc5a9de88637e436690364fd4219e4ef"
"mcp__my_server__extremel119a2b97664e41363932dc84de21e2ff1b93b3e9"
);
assert_eq!(keys[1].len(), 64);
assert_eq!(
keys[1],
"my_server__yet_another_e1c3987bd9c50b826cbe1687966f79f0c602d19ca"
"mcp__my_server__yet_anot419a82a89325c1b477274a41f8c65ea5f3a7f341"
);
}
}