oxios_kernel/tools/
kernel_bridge.rs

1//! KernelToolProvider bridge — plugs oxios kernel tools into oxi-sdk agent builder.
2//!
3//! Implements [`oxi_sdk::KernelToolProvider`] so that oxios kernel tools
4//! (exec, memory, project, etc.) can be registered into the SDK's
5
6use std::sync::Arc;
7
8use oxi_sdk::SearchCache;
9use oxi_sdk::ToolRegistry;
10use oxi_sdk::{
11    KernelToolContext as SdkKernelToolContext, KernelToolProvider as SdkKernelToolProvider,
12};
13
14use crate::KernelHandle;
15use crate::tools::registration::register_always_on;
16
17/// Bridges all oxios kernel tools into the oxi-sdk agent builder.
18pub struct OxiosKernelBridge {
19    kernel_handle: Arc<KernelHandle>,
20    search_cache: Arc<SearchCache>,
21}
22
23impl OxiosKernelBridge {
24    /// Create a new bridge with the given kernel handle.
25    pub fn new(kernel_handle: Arc<KernelHandle>) -> Self {
26        Self {
27            kernel_handle,
28            search_cache: Arc::new(SearchCache::new()),
29        }
30    }
31
32    /// Create a new bridge with a pre-built search cache.
33    pub fn with_cache(kernel_handle: Arc<KernelHandle>, search_cache: Arc<SearchCache>) -> Self {
34        Self {
35            kernel_handle,
36            search_cache,
37        }
38    }
39}
40
41impl SdkKernelToolProvider for OxiosKernelBridge {
42    fn tool_names(&self) -> Vec<&str> {
43        vec![
44            // Always-on file + web-search tools (registration::register_always_on)
45            "read",
46            "write",
47            "edit",
48            "grep",
49            "find",
50            "ls",
51            "web_search",
52            "get_search_results",
53            // Kernel domain tools (builtin::register_all_kernel_tools)
54            "exec",
55            "memory_read",
56            "memory_write",
57            "memory_search",
58            "subagent",
59            "project",
60            "mount",
61            "kernel_agent",
62            "persona",
63            "cron",
64            "security",
65            "budget",
66            "resource",
67            "a2a_delegate",
68            "a2a_send",
69            "a2a_query",
70            "knowledge",
71            "ask_user",
72            "marketplace",
73            "skill_forge",
74            "calendar", // conditional on [calendar] config
75            "send_email",
76            // NOTE: MCP tools use a dynamic `full_name` and are enumerated
77            // per-server at registration time, so they are not listed here.
78        ]
79    }
80
81    fn register_tools(&self, registry: &ToolRegistry, context: &SdkKernelToolContext) {
82        // 1. Always-on file tools + web search
83        register_always_on(registry, Arc::clone(&self.search_cache));
84
85        // 2. Kernel domain tools via KernelHandle
86        crate::tools::builtin::register_all_kernel_tools(
87            registry,
88            &self.kernel_handle,
89            &context.agent_id,
90        );
91    }
92}
93
94#[cfg(test)]
95mod tests {
96    use super::*;
97
98    /// Verify that `tool_names()` returns the expected number of tool names.
99    #[tokio::test]
100    async fn test_tool_names_length() {
101        let tmp = tempfile::tempdir().unwrap();
102        let base = tmp.path().to_path_buf();
103
104        // Build a minimal KernelHandle for testing
105        let state_store =
106            Arc::new(crate::state_store::StateStore::new(base.join("workspace")).unwrap());
107
108        let kernel = Arc::new(crate::KernelHandle::new(
109            crate::StateApi::new(state_store.clone()),
110            crate::AgentApi::new(
111                Arc::new(crate::supervisor::NoOpSupervisor),
112                Arc::new(crate::budget::BudgetManager::new()),
113                Arc::new(crate::memory::MemoryManager::new(state_store.clone())),
114                None,
115            ),
116            crate::SecurityApi::new(
117                Arc::new(parking_lot::Mutex::new(crate::auth::AuthManager::new())),
118                Arc::new(oxi_sdk::observability::AuditTrail::new(100)),
119                Arc::new(parking_lot::Mutex::new(
120                    crate::access_manager::AccessManager::new(),
121                )),
122                state_store.clone(),
123            ),
124            crate::PersonaApi::new(Arc::new(crate::persona::PersonaManager::new())),
125            crate::ExtensionApi::new(Arc::new(crate::skill::SkillManager::new(
126                base.join("skills"),
127                base.join("share/skills"),
128            ))),
129            crate::McpApi::new(Arc::new(crate::mcp::McpBridge::new())),
130            crate::InfraApi::new(
131                Arc::new(crate::git_layer::GitLayer::new(base.join("git"), false).unwrap()),
132                Arc::new(crate::cron::CronScheduler::new(state_store.clone(), 60)),
133                Arc::new(crate::resource_monitor::ResourceMonitor::new(60, 60)),
134                crate::event_bus::EventBus::new(256),
135                crate::OxiosConfig::default(),
136                std::time::Instant::now(),
137                std::sync::Arc::new(crate::tools::PendingToolApprovals::new()),
138                std::sync::Arc::new(crate::tools::PendingAskUser::new()),
139            ),
140            None,
141            crate::ExecApi::new(
142                Arc::new(parking_lot::RwLock::new(
143                    crate::config::ExecConfig::default(),
144                )),
145                Arc::new(parking_lot::Mutex::new(
146                    crate::access_manager::AccessManager::new(),
147                )),
148            ),
149            crate::A2aApi::new(Arc::new(crate::a2a::A2AProtocol::new(
150                crate::event_bus::EventBus::new(256),
151            ))),
152            crate::EngineApi::new(
153                Arc::new(parking_lot::RwLock::new(crate::OxiosConfig::default())),
154                base.join("config.toml"),
155                Arc::new(crate::RoutingStats::new()),
156                Arc::new(crate::engine::EngineHandle::new(Arc::new(
157                    crate::OxiosEngine::new("anthropic/claude-sonnet-4-20250514"),
158                ))),
159            ),
160            Arc::new(oxios_markdown::KnowledgeBase::new(base.join("knowledge")).unwrap()),
161            Arc::new(
162                crate::kernel_handle::KnowledgeLens::new(
163                    Arc::new(
164                        oxios_markdown::KnowledgeBase::new(base.join("knowledge_lens")).unwrap(),
165                    ),
166                    Arc::new(crate::memory::MemoryManager::new(state_store.clone())),
167                )
168                .unwrap(),
169            ),
170            crate::MarketplaceApi::new(
171                Arc::new(crate::skill::clawhub::ClawHubInstaller::new(
172                    base.join("skills"),
173                    base.join("workspace"),
174                    None,
175                )),
176                Arc::new(
177                    crate::skill::clawhub::ClawHubClient::new(None).expect("valid ClawHub client"),
178                ),
179                Arc::new(crate::skill::skills_sh::SkillsShInstaller::new(
180                    base.join("skills"),
181                    None,
182                    None,
183                )),
184                Arc::new(
185                    crate::skill::skills_sh::SkillsShClient::new(None, None)
186                        .expect("valid Skills.sh client"),
187                ),
188            ),
189            None,                                     // calendar (not configured in test)
190            Arc::new(parking_lot::RwLock::new(None)), // email (not configured in test)
191        ));
192
193        let bridge = OxiosKernelBridge::new(kernel);
194
195        let names = bridge.tool_names();
196        // 8 always-on (file ops + web_search/get_search_results)
197        // + 22 kernel domain (exec, memory×3, subagent, project, mount,
198        //   kernel_agent, persona, cron, security, budget, resource, a2a×3,
199        //   knowledge, ask_user, marketplace, skill_forge, calendar, send_email)
200        // = 30. MCP tools are dynamic (per-server) and excluded from the list.
201        assert_eq!(names.len(), 30, "expected 30 tools, got {:?}", names);
202    }
203}
oxios_kernel/tools/kernel_bridge.rs

oxios_kernel/tools/
kernel_bridge.rs
