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feat(mcp): add .info mcp-server, .set mcp_tools, and filtered-server listing to the REPL

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This commit is contained in:
Dark-Alex-17
2026-08-27 15:45:39 -06:00
parent c0224e20cb
commit e7811a6b87
4 changed files with 671 additions and 51 deletions
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src/config/mcp_tool_policy.rs
+22 -1
View File
@@ -33,6 +33,21 @@ impl fmt::Display for LayerSource {
}
}
impl LayerSource {
/// The bare level keyword, for compact diagnostics.
pub fn short_label(&self) -> &'static str {
match self {
LayerSource::Global => "global",
LayerSource::AppConfig => "config",
LayerSource::Role(_) => "role",
LayerSource::Agent(_) => "agent",
LayerSource::Session => "session",
LayerSource::Skill(_) => "skill",
LayerSource::Node(_) => "node",
}
}
}
#[derive(Debug, Clone)]
pub struct CompiledPatterns {
source: LayerSource,
@@ -54,6 +69,13 @@ impl ToolFilter {
});
}
/// Each layer's source and raw patterns, in application order.
pub fn layers(&self) -> impl Iterator<Item = (&LayerSource, &[String])> {
self.layers
.iter()
.map(|layer| (&layer.source, layer.raw.as_slice()))
}
/// A tool is allowed iff it matches at least one pattern in every layer.
pub fn allows(&self, tool: &str) -> bool {
self.layers.iter().all(|layer| {
@@ -66,7 +88,6 @@ impl ToolFilter {
/// The first matching raw pattern per layer, in layer order, or the
/// source of the first layer with no match.
#[allow(dead_code)]
pub fn allows_explain(&self, tool: &str) -> Result<Vec<(&LayerSource, &str)>, &LayerSource> {
let mut matched = Vec::with_capacity(self.layers.len());
for layer in &self.layers {
src/config/request_context.rs
+623 -42
View File
@@ -29,7 +29,8 @@ use crate::function::{
};
use crate::mcp::{
CatalogItem, MCP_SEARCH_META_FUNCTION_NAME_PREFIX, McpAuthReason, McpAuthRequired,
McpServersConfig, is_auth_required_error, is_mcp_meta_function, mcp_meta_function_names,
McpServerFeatures, McpServersConfig, McpTransportType, is_auth_required_error,
is_mcp_meta_function, mcp_meta_function_names,
};
use crate::rag::Rag;
use crate::supervisor::Supervisor;
@@ -207,7 +208,7 @@ fn complete_skills_with_descriptions(names: Vec<String>) -> Vec<(String, Option<
.collect()
}
const SET_COMPLETION_KEYS: [&str; 26] = [
const SET_COMPLETION_KEYS: [&str; 27] = [
"auto_continue",
"continuation_prompt",
"temperature",
@@ -220,6 +221,7 @@ const SET_COMPLETION_KEYS: [&str; 26] = [
"inject_skill_instructions",
"skill_instructions",
"max_auto_continues",
"mcp_tools",
"memory",
"save_session",
"compression_threshold",
@@ -773,6 +775,133 @@ impl RequestContext {
}
}
pub async fn mcp_server_info(&self, name: &str) -> Result<String> {
let Some(spec) = self
.app
.mcp_config
.as_ref()
.and_then(|config| config.mcp_servers.get(name))
else {
bail!(
"MCP server '{name}' is not configured. Run `.list mcp-servers` to see what's available"
);
};
let Some(handle) = self.tool_scope.mcp_runtime.servers.get(name).cloned() else {
bail!("MCP server '{name}' is not running. Enable it with `.mcp enable {name}`.");
};
let transport = match spec.transport_type {
McpTransportType::Stdio => "stdio",
McpTransportType::Http => "http",
McpTransportType::Sse => "sse",
};
let info = handle.peer_info();
let features =
McpServerFeatures::from_capabilities(name, info.as_ref().map(|i| &i.capabilities));
let capabilities: Vec<&str> = [
("tools", features.tools),
("resources", features.resources),
("prompts", features.prompts),
]
.iter()
.filter(|(_, supported)| *supported)
.map(|(label, _)| *label)
.collect();
const INFO_LABEL_WIDTH: usize = 15;
let mut out = String::new();
out.push_str(&format!(
"{:<INFO_LABEL_WIDTH$}{name} ({transport}, connected)\n",
"server"
));
out.push_str(&format!(
"{:<INFO_LABEL_WIDTH$}{}\n",
"capabilities",
capabilities.join(", ")
));
let filter = self.tool_scope.mcp_runtime.tool_filters.get(name);
let layers: Vec<(String, String)> = filter
.map(|f| {
f.layers()
.map(|(source, patterns)| (format!("{source}:"), patterns.join(" | ")))
.collect()
})
.unwrap_or_default();
if layers.is_empty() {
out.push_str(&format!(
"{:<INFO_LABEL_WIDTH$}(none — all tools allowed)\n",
"filter layers"
));
} else {
let label_width = layers
.iter()
.map(|(label, _)| label.chars().count())
.max()
.unwrap_or_default()
+ 2;
for (i, (label, patterns)) in layers.iter().enumerate() {
if i == 0 {
out.push_str(&format!("{:<INFO_LABEL_WIDTH$}", "filter layers"));
} else {
out.push_str(&" ".repeat(INFO_LABEL_WIDTH));
}
out.push_str(&format!("{label:<label_width$}{patterns}\n"));
}
}
let tools = handle
.list_all_tools()
.await
.with_context(|| format!("Failed to list tools on MCP server '{name}'"))?;
let mut names: Vec<String> = tools.iter().map(|tool| tool.name.to_string()).collect();
names.sort_unstable();
let allowed = names
.iter()
.filter(|tool| filter.is_none_or(|f| f.allows(tool)))
.count();
out.push_str(&format!(
"\ntools ({allowed} allowed / {} total)\n",
names.len()
));
let name_width = names
.iter()
.map(|tool| tool.chars().count())
.max()
.unwrap_or_default();
for tool in &names {
let explained = filter.map(|f| f.allows_explain(tool));
match explained {
None => out.push_str(&format!(" ✓ {tool}\n")),
Some(Ok(matches)) => {
let chain: Vec<String> = matches
.iter()
.map(|(source, pattern)| format!("{pattern} ({})", source.short_label()))
.collect();
if chain.is_empty() {
out.push_str(&format!(" ✓ {tool}\n"));
} else {
out.push_str(&format!(" ✓ {tool:<name_width$} {}\n", chain.join(" ∧ ")));
}
}
Some(Err(source)) => out.push_str(&format!(
" ✗ {tool:<name_width$} hidden by {} layer\n",
source.short_label()
)),
}
}
if let Some(f) = filter {
for (source, pattern) in f.dead_context_patterns(&names) {
out.push_str(&format!(
"⚠ {} pattern '{pattern}' matches no allowed tools\n",
source.short_label()
));
}
}
Ok(out)
}
pub fn list_sessions(&self) -> Vec<String> {
list_file_names(self.sessions_dir(), ".yaml")
}
@@ -1349,6 +1478,19 @@ impl RequestContext {
}
}
pub fn set_mcp_tools_on_role_like(
&mut self,
value: Option<IndexMap<String, Vec<String>>>,
) -> bool {
match self.role_like_mut() {
Some(role_like) => {
role_like.set_mcp_tools(value);
true
}
None => false,
}
}
fn concrete_tool_names(&self) -> Vec<String> {
let declarations: Vec<&FunctionDeclaration> = self
.tool_scope
@@ -2883,44 +3025,9 @@ impl RequestContext {
Ok(())
}
"mcp-servers" => {
let mut names: Vec<String> = vec![];
if let Some(mcp_config) = &self.app.mcp_config {
names.extend(mcp_config.mcp_servers.keys().map(|v| v.to_string()));
}
names.extend(
self.app
.config
.mapping_mcp_servers
.keys()
.map(|v| v.to_string()),
);
names.sort_unstable();
names.dedup();
if names.is_empty() {
println!("No MCP servers found.");
return Ok(());
}
let enabled: Option<Vec<String>> = if let Some(session) = &self.session {
session.enabled_mcp_servers()
} else if let Some(role) = &self.role {
role.enabled_mcp_servers()
} else {
self.app.config.enabled_mcp_servers.clone()
};
let skill_mcps = self.skill_registry.loaded_mcp_servers();
println!("MCP servers:");
for name in &names {
let active = skill_mcps.contains(name.as_str())
|| matches!(&enabled, Some(list) if list.iter().any(|s| s.trim() == "all") || self.mcp_list_covers(list, name));
let marker = if active {
"✓".green().bold().to_string()
} else {
"✗".red().bold().to_string()
};
println!(" {marker} {name}");
match self.mcp_servers_listing() {
Some(listing) => print!("{listing}"),
None => println!("No MCP servers found."),
}
Ok(())
}
@@ -2931,6 +3038,63 @@ impl RequestContext {
}
}
fn mcp_server_is_filtered(&self, name: &str) -> bool {
let filters = &self.tool_scope.mcp_runtime.tool_filters;
let has_layers = |id: &str| filters.get(id).is_some_and(|f| f.layers().next().is_some());
has_layers(name)
|| expand_mcp_server_alias(&self.app.config.mapping_mcp_servers, name)
.iter()
.any(|id| has_layers(id))
}
/// The `.list mcp-servers` output, or `None` when nothing is configured.
pub fn mcp_servers_listing(&self) -> Option<String> {
let mut names: Vec<String> = vec![];
if let Some(mcp_config) = &self.app.mcp_config {
names.extend(mcp_config.mcp_servers.keys().map(|v| v.to_string()));
}
names.extend(
self.app
.config
.mapping_mcp_servers
.keys()
.map(|v| v.to_string()),
);
names.sort_unstable();
names.dedup();
if names.is_empty() {
return None;
}
let enabled: Option<Vec<String>> = if let Some(session) = &self.session {
session.enabled_mcp_servers()
} else if let Some(role) = &self.role {
role.enabled_mcp_servers()
} else {
self.app.config.enabled_mcp_servers.clone()
};
let skill_mcps = self.skill_registry.loaded_mcp_servers();
let mut out = String::from("MCP servers:\n");
for name in &names {
let active = skill_mcps.contains(name.as_str())
|| matches!(&enabled, Some(list) if list.iter().any(|s| s.trim() == "all") || self.mcp_list_covers(list, name));
let marker = if active {
"✓".green().bold().to_string()
} else {
"✗".red().bold().to_string()
};
let tag = if self.mcp_server_is_filtered(name) {
" [filtered]"
} else {
""
};
out.push_str(&format!(" {marker} {name}{tag}\n"));
}
Some(out)
}
pub fn delete(&self, kind: &str) -> Result<()> {
let (dir, file_ext) = match kind {
"role" => (paths::roles_dir(), Some(".md")),
@@ -3172,6 +3336,118 @@ impl RequestContext {
.await?;
}
}
k if k.starts_with("mcp_tools.") => {
if self.agent.as_ref().is_some_and(|a| a.is_graph()) {
bail!(
"Graph agents define MCP tool filters per-node via 'mcp_tools:' in graph.yaml"
);
}
let server = k.strip_prefix("mcp_tools.").expect("guarded by match arm");
if server.is_empty() {
bail!(
"Usage: .set mcp_tools.<server> <patterns> to set patterns, .set mcp_tools.<server> null to remove an entry, or .set mcp_tools null to clear this layer's map"
);
}
let is_configured = self
.app
.mcp_config
.as_ref()
.is_some_and(|c| c.mcp_servers.contains_key(server));
let is_alias = self.app.config.mapping_mcp_servers.contains_key(server);
if !is_configured && !is_alias {
bail!(
"MCP server '{server}' is not configured. Run `.list mcp-servers` to see what's available"
);
}
let enabled: Option<Vec<String>> = if let Some(session) = &self.session {
session.enabled_mcp_servers()
} else if let Some(role) = &self.role {
role.enabled_mcp_servers()
} else {
self.app.config.enabled_mcp_servers.clone()
};
let is_enabled = self.skill_registry.loaded_mcp_servers().contains(server)
|| matches!(&enabled, Some(list) if list.iter().any(|s| s.trim() == "all") || self.mcp_list_covers(list, server));
if !is_enabled {
bail!(
"MCP server '{server}' is not enabled in this context. Run `.list mcp-servers` to see what's available"
);
}
let raw: Option<String> = super::parse_value(value)?;
let patterns: Option<Vec<String>> = raw.map(|s| super::csv_to_vec(&s));
let current: Option<IndexMap<String, Vec<String>>> =
if let Some(session) = &self.session {
session.mcp_tools()
} else if let Some(agent) = &self.agent {
agent.mcp_tools()
} else if let Some(role) = &self.role {
role.mcp_tools()
} else {
self.app.config.mcp_tools.clone()
};
let mut map = current.unwrap_or_default();
match &patterns {
Some(list) => {
map.insert(server.to_string(), list.clone());
}
None => {
map.shift_remove(server);
}
}
let new = (!map.is_empty()).then_some(map);
if !self.set_mcp_tools_on_role_like(new.clone()) {
self.update_app_config(|app| app.mcp_tools = new.clone());
}
self.refresh_mcp_tool_filters();
if let Some(set_patterns) = &patterns {
let ids: Vec<String> = if is_configured {
vec![server.to_string()]
} else {
expand_mcp_server_alias(&self.app.config.mapping_mcp_servers, server)
};
for id in ids {
let Some(handle) = self.tool_scope.mcp_runtime.servers.get(&id).cloned()
else {
continue;
};
let Ok(tools) = handle.list_all_tools().await else {
continue;
};
let Some(filter) = self.tool_scope.mcp_runtime.tool_filters.get(&id) else {
continue;
};
let advertised: Vec<String> =
tools.iter().map(|tool| tool.name.to_string()).collect();
for (_, pattern) in filter.dead_context_patterns(&advertised) {
if set_patterns.iter().any(|p| p == pattern) {
println!(
"Note: pattern '{pattern}' matches no allowed tools on '{server}'."
);
}
}
}
}
}
"mcp_tools" => {
let raw: Option<String> = super::parse_value(value)?;
if raw.is_some() {
bail!(
"Usage: .set mcp_tools.<server> <patterns> to set patterns, .set mcp_tools.<server> null to remove an entry, or .set mcp_tools null to clear this layer's map"
);
}
if self.agent.as_ref().is_some_and(|a| a.is_graph()) {
bail!(
"Graph agents define MCP tool filters per-node via 'mcp_tools:' in graph.yaml"
);
}
if !self.set_mcp_tools_on_role_like(None) {
self.update_app_config(|app| app.mcp_tools = None);
}
self.refresh_mcp_tool_filters();
}
"max_output_tokens" => {
let value = super::parse_value(value)?;
if !self.set_max_output_tokens_on_role_like(value) {
@@ -3469,11 +3745,28 @@ impl RequestContext {
None => vec![],
},
".set" => {
let mut values = SET_COMPLETION_KEYS.to_vec();
let mut values: Vec<String> =
SET_COMPLETION_KEYS.iter().map(|v| v.to_string()).collect();
if !self.current_model().reasoning_levels().is_empty() {
values.push("reasoning_effort");
values.push("reasoning_effort".to_string());
}
if let Some(mcp_config) = &self.app.mcp_config {
values.extend(
mcp_config
.mcp_servers
.keys()
.map(|name| format!("mcp_tools.{name}")),
);
}
values.extend(
self.app
.config
.mapping_mcp_servers
.keys()
.map(|name| format!("mcp_tools.{name}")),
);
values.sort_unstable();
values.dedup();
values
.into_iter()
.map(|v| (format!("{v} "), None))
@@ -3520,6 +3813,11 @@ impl RequestContext {
.collect(),
);
}
} else if cmd == ".info" && args.first() == Some(&"mcp-server") && args.len() == 2 {
if let Some(mcp_config) = &self.app.mcp_config {
values =
super::map_completion_values(mcp_config.mcp_servers.keys().cloned().collect());
}
} else if cmd == ".mcp"
&& (args.first() == Some(&"enable") || args.first() == Some(&"disable"))
&& args.len() == 2
@@ -4884,6 +5182,8 @@ mod tests {
use super::*;
use crate::config::AppState;
use crate::config::agent::AgentConfig;
use crate::config::mcp_tool_policy::LayerSource;
use crate::config::tool_scope::test_fixtures::{FixtureServer, fixture_runtime};
use crate::function::jobs::RingBuf;
use crate::function::{ToolCall, skill};
use crate::mcp::{McpServer, McpServerFeatures, McpServersConfig, McpTransportType};
@@ -8344,4 +8644,285 @@ mod tests {
"a temp role must clear the replaced role's filter layer"
);
}
#[test]
fn info_mcp_server_renders_layers_chains_and_dead_patterns() {
let mut ctx = RequestContext::new(mcp_app_state(&["fixture"]), WorkingMode::Cmd);
let info = run_async(async {
let (runtime, _server) = fixture_runtime(FixtureServer {
tool_names: vec!["get_issue", "list_prs", "delete_repo"],
..Default::default()
})
.await;
ctx.tool_scope.mcp_runtime = runtime;
let mut filter = ToolFilter::default();
filter.push_layer(
LayerSource::Global,
&["get_*".to_string(), "list_*".to_string()],
);
filter.push_layer(
LayerSource::Role("reviewer".to_string()),
&["get_*".to_string(), "bogus_zzz*".to_string()],
);
ctx.tool_scope
.mcp_runtime
.tool_filters
.insert("fixture".to_string(), filter);
ctx.mcp_server_info("fixture").await.unwrap()
});
assert!(
info.contains("server fixture (stdio, connected)"),
"got:\n{info}"
);
assert!(info.contains("capabilities tools"), "got:\n{info}");
assert!(info.contains("global (mcp.json):"), "got:\n{info}");
assert!(info.contains("get_* | list_*"), "got:\n{info}");
assert!(info.contains("role (reviewer):"), "got:\n{info}");
assert!(info.contains("get_* | bogus_zzz*"), "got:\n{info}");
assert!(info.contains("tools (1 allowed / 3 total)"), "got:\n{info}");
assert!(
info.lines().any(|line| line.contains("✓ get_issue")
&& line.contains("get_* (global) ∧ get_* (role)")),
"got:\n{info}"
);
assert!(
info.lines()
.any(|line| line.contains("✗ list_prs") && line.contains("hidden by role layer")),
"got:\n{info}"
);
assert!(
info.lines()
.any(|line| line.contains("✗ delete_repo")
&& line.contains("hidden by global layer")),
"got:\n{info}"
);
assert!(
info.contains("⚠ role pattern 'bogus_zzz*' matches no allowed tools"),
"got:\n{info}"
);
}
#[test]
fn info_mcp_server_errors_when_unconfigured_or_not_running() {
let ctx = RequestContext::new(mcp_app_state(&["gh"]), WorkingMode::Cmd);
let err = run_async(ctx.mcp_server_info("nope")).unwrap_err();
assert!(err.to_string().contains("not configured"), "got: {err}");
let err = run_async(ctx.mcp_server_info("gh")).unwrap_err();
assert!(err.to_string().contains("not running"), "got: {err}");
}
#[test]
fn info_mcp_server_unfiltered_renders_all_allowed() {
let mut ctx = RequestContext::new(mcp_app_state(&["fixture"]), WorkingMode::Cmd);
let info = run_async(async {
let (runtime, _server) = fixture_runtime(FixtureServer::default()).await;
ctx.tool_scope.mcp_runtime = runtime;
ctx.mcp_server_info("fixture").await.unwrap()
});
assert!(info.contains("(none — all tools allowed)"), "got:\n{info}");
assert!(info.contains("tools (1 allowed / 1 total)"), "got:\n{info}");
assert!(info.contains("✓ dup"), "got:\n{info}");
assert!(!info.contains('∧'), "got:\n{info}");
}
#[test]
fn mcp_servers_listing_tags_filtered_servers() {
let mut ctx = RequestContext::new(mcp_app_state(&["gh", "jira"]), WorkingMode::Cmd);
let mut filter = ToolFilter::default();
filter.push_layer(LayerSource::Global, &["get_*".to_string()]);
ctx.tool_scope
.mcp_runtime
.tool_filters
.insert("gh".to_string(), filter);
ctx.tool_scope
.mcp_runtime
.tool_filters
.insert("jira".to_string(), ToolFilter::default());
let listing = ctx.mcp_servers_listing().unwrap();
let gh_line = listing.lines().find(|line| line.contains(" gh")).unwrap();
assert!(gh_line.contains("[filtered]"), "got:\n{listing}");
let jira_line = listing.lines().find(|line| line.contains("jira")).unwrap();
assert!(
!jira_line.contains("[filtered]"),
"a zero-layer filter entry must not count as filtered, got:\n{listing}"
);
}
#[test]
fn mcp_servers_listing_tags_aliases_of_filtered_servers() {
let mut ctx = RequestContext::new(mcp_app_state(&["gh"]), WorkingMode::Cmd);
ctx.update_app_config(|app| {
app.mapping_mcp_servers
.insert("hub".to_string(), "gh".to_string());
});
let mut filter = ToolFilter::default();
filter.push_layer(LayerSource::Global, &["get_*".to_string()]);
ctx.tool_scope
.mcp_runtime
.tool_filters
.insert("gh".to_string(), filter);
let listing = ctx.mcp_servers_listing().unwrap();
let hub_line = listing.lines().find(|line| line.contains("hub")).unwrap();
assert!(hub_line.contains("[filtered]"), "got:\n{listing}");
}
#[test]
fn set_mcp_tools_writes_app_layer_and_refreshes_filters() {
let mut ctx = RequestContext::new(mcp_app_state(&["gh"]), WorkingMode::Cmd);
ctx.update_app_config(|app| app.enabled_mcp_servers = Some(vec!["all".to_string()]));
run_async(ctx.update(
"mcp_tools.gh get_*,list_issues",
utils::create_abort_signal(),
))
.unwrap();
let map = ctx.app.config.mcp_tools.as_ref().unwrap();
assert_eq!(
map.get("gh").unwrap(),
&vec!["get_*".to_string(), "list_issues".to_string()]
);
let filter = ctx.tool_scope.mcp_runtime.tool_filters.get("gh").unwrap();
assert!(filter.allows("get_issue"));
assert!(!filter.allows("delete_repo"));
}
#[test]
fn set_mcp_tools_writes_session_layer_when_attached() {
let mut ctx = RequestContext::new(mcp_app_state(&["gh"]), WorkingMode::Cmd);
let mut session = Session::default();
session.set_enabled_mcp_servers(Some(vec!["all".to_string()]));
ctx.session = Some(session);
run_async(ctx.update("mcp_tools.gh get_*", utils::create_abort_signal())).unwrap();
let map = ctx.session.as_ref().unwrap().mcp_tools().unwrap();
assert_eq!(map.get("gh").unwrap(), &vec!["get_*".to_string()]);
assert!(ctx.app.config.mcp_tools.is_none());
}
#[test]
fn set_mcp_tools_keeps_dotted_server_names_verbatim() {
let mut ctx = RequestContext::new(mcp_app_state(&["my.server"]), WorkingMode::Cmd);
ctx.update_app_config(|app| app.enabled_mcp_servers = Some(vec!["all".to_string()]));
run_async(ctx.update("mcp_tools.my.server get_*", utils::create_abort_signal())).unwrap();
let map = ctx.app.config.mcp_tools.as_ref().unwrap();
assert!(map.contains_key("my.server"));
assert!(ctx.tool_scope.mcp_runtime.tool_filters["my.server"].allows("get_issue"));
}
#[test]
#[serial]
fn set_mcp_tools_rejects_graph_agents_on_both_arms() {
let _guard = TestConfigDirGuard::new();
let mut ctx = RequestContext::new(mcp_app_state(&["gh"]), WorkingMode::Cmd);
let app = ctx.app.config.clone();
let agent_name = format!(
"test_graph_agent_{}",
SystemTime::now()
.duration_since(UNIX_EPOCH)
.unwrap()
.as_nanos()
);
let agent_dir = paths::agent_data_dir(&agent_name);
create_dir_all(&agent_dir).unwrap();
write(
agent_dir.join("graph.yaml"),
format!(
"name: {agent_name}\nversion: \"1.0\"\nstart: done\nnodes:\n done:\n type: end\n output: ok\n"
),
)
.unwrap();
run_async(ctx.use_agent(&app, &agent_name, None, utils::create_abort_signal())).unwrap();
for data in ["mcp_tools.gh get_*", "mcp_tools null"] {
let err = run_async(ctx.update(data, utils::create_abort_signal())).unwrap_err();
assert!(
err.to_string()
.contains("Graph agents define MCP tool filters per-node"),
"got: {err}"
);
}
}
#[test]
fn set_mcp_tools_rejects_unknown_and_disabled_servers() {
let mut ctx = RequestContext::new(mcp_app_state(&["gh"]), WorkingMode::Cmd);
ctx.update_app_config(|app| app.enabled_mcp_servers = Some(vec!["all".to_string()]));
let err =
run_async(ctx.update("mcp_tools.nope x", utils::create_abort_signal())).unwrap_err();
assert!(err.to_string().contains("not configured"), "got: {err}");
ctx.update_app_config(|app| app.enabled_mcp_servers = None);
let err =
run_async(ctx.update("mcp_tools.gh get_*", utils::create_abort_signal())).unwrap_err();
let message = err.to_string();
assert!(message.contains("not enabled"), "got: {message}");
assert!(message.contains(".list mcp-servers"), "got: {message}");
}
#[test]
fn set_mcp_tools_null_removes_entries_and_clears_layer() {
let mut ctx = RequestContext::new(mcp_app_state(&["gh", "jira"]), WorkingMode::Cmd);
ctx.update_app_config(|app| app.enabled_mcp_servers = Some(vec!["all".to_string()]));
let abort = utils::create_abort_signal;
run_async(ctx.update("mcp_tools.gh get_*", abort())).unwrap();
run_async(ctx.update("mcp_tools.gh null", abort())).unwrap();
assert!(
ctx.app.config.mcp_tools.is_none(),
"removing the only entry must store None, not an empty map"
);
assert!(!ctx.tool_scope.mcp_runtime.tool_filters.contains_key("gh"));
run_async(ctx.update("mcp_tools.gh get_*", abort())).unwrap();
run_async(ctx.update("mcp_tools.jira list_*", abort())).unwrap();
run_async(ctx.update("mcp_tools.gh null", abort())).unwrap();
let map = ctx.app.config.mcp_tools.as_ref().unwrap();
assert!(!map.contains_key("gh"));
assert!(map.contains_key("jira"));
run_async(ctx.update("mcp_tools null", abort())).unwrap();
assert!(ctx.app.config.mcp_tools.is_none());
assert!(ctx.tool_scope.mcp_runtime.tool_filters.is_empty());
let err = run_async(ctx.update("mcp_tools get_*", abort())).unwrap_err();
assert!(
err.to_string().contains("Usage: .set mcp_tools.<server>"),
"got: {err}"
);
}
#[test]
fn set_mcp_tools_session_layer_cannot_widen_role_layer() {
let mut ctx = RequestContext::new(mcp_app_state(&["gh"]), WorkingMode::Cmd);
let mut role = Role::new("dev", "prompt");
role.set_mcp_tools(Some(gh_get_only_map()));
ctx.role = Some(role);
let mut session = Session::default();
session.set_enabled_mcp_servers(Some(vec!["all".to_string()]));
ctx.session = Some(session);
run_async(ctx.update("mcp_tools.gh *", utils::create_abort_signal())).unwrap();
let filter = &ctx.tool_scope.mcp_runtime.tool_filters["gh"];
assert!(filter.allows("get_issue"));
assert!(
!filter.allows("delete_repo"),
"a session layer can only narrow, never widen"
);
}
}
src/config/tool_scope.rs
+8 -5
View File
@@ -640,6 +640,7 @@ pub(crate) mod test_fixtures {
#[derive(Clone)]
pub(crate) struct FixtureServer {
pub(crate) tools_capability: bool,
pub(crate) tool_names: Vec<&'static str>,
pub(crate) resources_capability: bool,
pub(crate) prompts_capability: bool,
pub(crate) hostile_prompt: bool,
@@ -658,6 +659,7 @@ pub(crate) mod test_fixtures {
fn default() -> Self {
Self {
tools_capability: true,
tool_names: vec!["dup"],
resources_capability: false,
prompts_capability: false,
hostile_prompt: false,
@@ -698,11 +700,12 @@ pub(crate) mod test_fixtures {
.as_object()
.cloned()
.unwrap();
Ok(ListToolsResult::with_all_items(vec![Tool::new(
"dup",
"Duplicate-named tool",
schema,
)]))
Ok(ListToolsResult::with_all_items(
self.tool_names
.iter()
.map(|name| Tool::new(*name, "Fixture tool", schema.clone()))
.collect(),
))
}
async fn call_tool(
src/repl/mod.rs
+18 -3
View File
@@ -55,7 +55,7 @@ pub const DEFAULT_CONTINUATION_PROMPT: &str = indoc! {"
4. Continue with the next pending item now. Call tools immediately."
};
static REPL_COMMANDS: LazyLock<[ReplCommand; 62]> = LazyLock::new(|| {
static REPL_COMMANDS: LazyLock<[ReplCommand; 63]> = LazyLock::new(|| {
[
ReplCommand::new(".help", "Show this help guide", AssertState::pass()),
ReplCommand::new(".info", "Show system info", AssertState::pass()),
@@ -64,6 +64,11 @@ static REPL_COMMANDS: LazyLock<[ReplCommand; 62]> = LazyLock::new(|| {
"Show the list of enabled tools to be passed to the LLM",
AssertState::True(StateFlags::FUNCTION_CALLING),
),
ReplCommand::new(
".info mcp-server",
"Show an MCP server's tool filters and effective catalog",
AssertState::pass(),
),
ReplCommand::new(
".authenticate",
"Authenticate the current model client via OAuth (if configured)",
@@ -639,6 +644,16 @@ pub async fn run_repl_command(
let info = ctx.todo_info()?;
print!("{info}");
}
Some(arg) if arg.starts_with("mcp-server") => {
let mut parts = arg.splitn(2, char::is_whitespace);
parts.next();
let name = parts.next().map(str::trim).unwrap_or("");
if name.is_empty() {
bail!("Usage: .info mcp-server <server>");
}
let info = ctx.mcp_server_info(name).await?;
print!("{info}");
}
Some(_) => unknown_command()?,
None => {
let app = Arc::clone(&ctx.app.config);
@@ -1959,8 +1974,8 @@ mod tests {
}
#[test]
fn repl_commands_has_62_entries() {
assert_eq!(REPL_COMMANDS.len(), 62);
fn repl_commands_has_63_entries() {
assert_eq!(REPL_COMMANDS.len(), 63);
}
#[test]