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, browser, etc.) can be registered into the SDK's
5//! `AgentBuilder` via `.kernel_tools()`.
6
7use std::sync::Arc;
8
9use oxi_sdk::SearchCache;
10use oxi_sdk::ToolRegistry;
11use oxi_sdk::{
12    KernelToolContext as SdkKernelToolContext, KernelToolProvider as SdkKernelToolProvider,
13};
14
15use crate::tools::registration::register_always_on;
16use crate::KernelHandle;
17
18/// Bridges all oxios kernel tools into the oxi-sdk agent builder.
19pub struct OxiosKernelBridge {
20    kernel_handle: Arc<KernelHandle>,
21    search_cache: Arc<SearchCache>,
22}
23
24impl OxiosKernelBridge {
25    /// Create a new bridge with the given kernel handle.
26    pub fn new(kernel_handle: Arc<KernelHandle>) -> Self {
27        Self {
28            kernel_handle,
29            search_cache: Arc::new(SearchCache::new()),
30        }
31    }
32
33    /// Create a new bridge with a pre-built search cache.
34    pub fn with_cache(kernel_handle: Arc<KernelHandle>, search_cache: Arc<SearchCache>) -> Self {
35        Self {
36            kernel_handle,
37            search_cache,
38        }
39    }
40}
41
42impl SdkKernelToolProvider for OxiosKernelBridge {
43    fn tool_names(&self) -> Vec<&str> {
44        vec![
45            // Always-on file tools
46            "read",
47            "write",
48            "edit",
49            "grep",
50            "find",
51            "ls",
52            // Kernel domain
53            "exec",
54            "memory_read",
55            "memory_write",
56            "memory_search",
57            "space",
58            "agent",
59            "a2a_delegate",
60            "a2a_send",
61            "a2a_query",
62            "persona",
63            "program",
64            "cron",
65            "security",
66            "budget",
67            "resource",
68            "mcp",
69            "browser",
70            "knowledge",
71        ]
72    }
73
74    fn register_tools(&self, registry: &ToolRegistry, context: &SdkKernelToolContext) {
75        // 1. Always-on file tools + web search
76        register_always_on(registry, Arc::clone(&self.search_cache));
77
78        // 2. Kernel domain tools via KernelHandle
79        crate::tools::kernel::register_all_kernel_tools(
80            registry,
81            &self.kernel_handle,
82            &context.agent_id,
83        );
84    }
85}
86
87#[cfg(test)]
88mod tests {
89    use super::*;
90
91    /// Verify that `tool_names()` returns the expected number of tool names.
92    #[tokio::test]
93    async fn test_tool_names_length() {
94        let tmp = tempfile::tempdir().unwrap();
95        let base = tmp.path().to_path_buf();
96
97        // Build a minimal KernelHandle for testing
98        let state_store =
99            Arc::new(crate::state_store::StateStore::new(base.join("workspace")).unwrap());
100
101        let kernel = Arc::new(crate::KernelHandle::new(
102            crate::StateApi::new(state_store.clone()),
103            crate::AgentApi::new(
104                Arc::new(crate::supervisor::NoOpSupervisor),
105                Arc::new(crate::budget::BudgetManager::new()),
106                Arc::new(crate::memory::MemoryManager::new(state_store.clone())),
107                None,
108            ),
109            crate::SecurityApi::new(
110                Arc::new(parking_lot::Mutex::new(crate::auth::AuthManager::new())),
111                Arc::new(crate::audit_trail::AuditTrail::new(100)),
112                Arc::new(parking_lot::Mutex::new(
113                    crate::access_manager::AccessManager::new(),
114                )),
115                state_store.clone(),
116            ),
117            crate::PersonaApi::new(Arc::new(crate::persona_manager::PersonaManager::new())),
118            crate::ExtensionApi::new(
119                Arc::new(crate::program::ProgramManager::new(base.join("programs"))),
120                Arc::new(crate::skill::SkillStore::new(base.join("skills")).unwrap()),
121                Arc::new(crate::host_tools::HostToolValidator::new(vec![], vec![])),
122            ),
123            crate::McpApi::new(Arc::new(crate::mcp::McpBridge::new())),
124            crate::InfraApi::new(
125                Arc::new(crate::git_layer::GitLayer::new(base.join("git"), false).unwrap()),
126                Arc::new(crate::scheduler::AgentScheduler::new(5, 60, 300)),
127                Arc::new(crate::cron::CronScheduler::new(state_store.clone(), 60)),
128                Arc::new(crate::resource_monitor::ResourceMonitor::new(60, 60)),
129                crate::event_bus::EventBus::new(256),
130                crate::OxiosConfig::default(),
131                std::time::Instant::now(),
132            ),
133            crate::SpaceApi::new(
134                Arc::new(
135                    crate::space::SpaceManager::new(
136                        state_store.clone(),
137                        crate::event_bus::EventBus::new(256),
138                    )
139                    .await
140                    .unwrap(),
141                ),
142                crate::event_bus::EventBus::new(256),
143            ),
144            crate::ExecApi::new(
145                Arc::new(crate::config::ExecConfig::default()),
146                Arc::new(parking_lot::Mutex::new(
147                    crate::access_manager::AccessManager::new(),
148                )),
149            ),
150            crate::BrowserApi::default(),
151            crate::A2aApi::new(Arc::new(crate::a2a::A2AProtocol::new(
152                crate::event_bus::EventBus::new(256),
153            ))),
154            Arc::new(oxios_markdown::KnowledgeBase::new(base.join("knowledge")).unwrap()),
155            Arc::new(
156                crate::kernel_handle::KnowledgeLens::new(
157                    Arc::new(
158                        oxios_markdown::KnowledgeBase::new(base.join("knowledge_lens")).unwrap(),
159                    ),
160                    Arc::new(crate::memory::MemoryManager::new(state_store.clone())),
161                )
162                .unwrap(),
163            ),
164        ));
165
166        let bridge = OxiosKernelBridge::new(kernel);
167
168        let names = bridge.tool_names();
169        // 6 always-on + 17 kernel domain = 23 ... plus knowledge = 24
170        assert_eq!(names.len(), 24, "expected 24 tools, got {:?}", names);
171    }
172}
oxios_kernel/tools/kernel_bridge.rs

oxios_kernel/tools/
kernel_bridge.rs
