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[MCP] Add configuration options to enable or disable specific tools (#5367)

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Some MCP servers expose a lot of tools. In those cases, it is reasonable
to allow/denylist tools for Codex to use so it doesn't get overwhelmed
with too many tools.

The new configuration options available in the `mcp_server` toml table
are:
* `enabled_tools`
* `disabled_tools`

Fixes #4796
This commit is contained in:
Gabriel Peal
2025-10-20 15:35:36 -07:00
committed by GitHub
parent c37469b5ba
commit 740b4a95f4
8 changed files with 361 additions and 81 deletions
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24
codex-rs/cli/src/mcp_cmd.rs
View File

@@ -253,6 +253,8 @@ async fn run_add(config_overrides: &CliConfigOverrides, add_args: AddArgs) -> Re
enabled: true,
startup_timeout_sec: None,
tool_timeout_sec: None,
enabled_tools: None,
disabled_tools: None,
};
servers.insert(name.clone(), new_entry);
@@ -676,6 +678,8 @@ async fn run_get(config_overrides: &CliConfigOverrides, get_args: GetArgs) -> Re
"name": get_args.name,
"enabled": server.enabled,
"transport": transport,
"enabled_tools": server.enabled_tools.clone(),
"disabled_tools": server.disabled_tools.clone(),
"startup_timeout_sec": server
.startup_timeout_sec
.map(|timeout| timeout.as_secs_f64()),
@@ -687,8 +691,28 @@ async fn run_get(config_overrides: &CliConfigOverrides, get_args: GetArgs) -> Re
return Ok(());
}
if !server.enabled {
println!("{} (disabled)", get_args.name);
return Ok(());
}
println!("{}", get_args.name);
println!(" enabled: {}", server.enabled);
let format_tool_list = |tools: &Option<Vec<String>>| -> String {
match tools {
Some(list) if list.is_empty() => "[]".to_string(),
Some(list) => list.join(", "),
None => "-".to_string(),
}
};
if server.enabled_tools.is_some() {
let enabled_tools_display = format_tool_list(&server.enabled_tools);
println!(" enabled_tools: {enabled_tools_display}");
}
if server.disabled_tools.is_some() {
let disabled_tools_display = format_tool_list(&server.disabled_tools);
println!(" disabled_tools: {disabled_tools_display}");
}
match &server.transport {
McpServerTransportConfig::Stdio {
command,