| 1 | package agent |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "strings" |
| 6 | |
| 7 | "reasonix/internal/plugin" |
| 8 | "reasonix/internal/tool" |
| 9 | ) |
| 10 | |
| 11 | func (r *MCPCapabilityRuntime) syncRegistryInventory(previous, next map[string]mcpRuntimeServer) { |
| 12 | for name := range previous { |
| 13 | if _, ok := next[name]; ok { |
| 14 | continue |
| 15 | } |
| 16 | r.setRegistryServerEnabled(name, false) |
| 17 | r.state.clearServer(name) |
| 18 | } |
| 19 | for name, server := range next { |
| 20 | r.setRegistryServerEnabled(name, server.enabled) |
| 21 | if !server.enabled { |
| 22 | r.state.clearServer(name) |
| 23 | } |
| 24 | } |
| 25 | } |
| 26 | |
| 27 | func (r *MCPCapabilityRuntime) setRegistryServerEnabled(name string, enabled bool) { |
| 28 | if r == nil || r.registry == nil { |
| 29 | return |
| 30 | } |
| 31 | prefix := plugin.ToolPrefix(name) |
| 32 | if enabled { |
| 33 | r.registry.ResumePrefix(prefix) |
| 34 | return |
| 35 | } |
| 36 | r.registry.SuspendPrefix(prefix) |
| 37 | } |
| 38 | |
| 39 | func (r *MCPCapabilityRuntime) applyToolListChange(spec plugin.Spec, tools []tool.Tool) { |
| 40 | if r == nil { |
| 41 | return |
| 42 | } |
| 43 | name := strings.TrimSpace(spec.Name) |
| 44 | r.dispatchMu.Lock() |
| 45 | r.mu.RLock() |
| 46 | configured, ok := r.servers[name] |
| 47 | r.mu.RUnlock() |
| 48 | if !ok || !configured.enabled || !plugin.MCPRuntimeSpecMatches(configured.spec, spec) { |
| 49 | r.dispatchMu.Unlock() |
| 50 | return |
| 51 | } |
| 52 | if r.registry != nil { |
| 53 | r.registry.RemovePrefix(plugin.ToolPrefix(name)) |
| 54 | for _, candidate := range tools { |
| 55 | if candidate != nil && plugin.MCPToolMatchesSpec(candidate, configured.spec) { |
| 56 | r.registry.Add(candidate) |
| 57 | } |
| 58 | } |
| 59 | } |
| 60 | r.state.markConnected(name) |
| 61 | r.state.setLiveTools(name, snapshotMCPTools(tools)) |
| 62 | r.dispatchMu.Unlock() |
| 63 | r.notifyToolListChanged(name, tools) |
| 64 | } |
| 65 | |
| 66 | func snapshotMCPTools(tools []tool.Tool) []plugin.CachedTool { |
| 67 | snapshot := make([]plugin.CachedTool, 0, len(tools)) |
| 68 | for _, candidate := range tools { |
| 69 | metadata, ok := candidate.(tool.MCPMetadata) |
| 70 | if !ok || metadata.MCPRawToolName() == "" { |
| 71 | continue |
| 72 | } |
| 73 | snapshot = append(snapshot, plugin.CachedTool{ |
| 74 | Name: metadata.MCPRawToolName(), |
| 75 | Description: candidate.Description(), |
| 76 | Schema: candidate.Schema(), |
| 77 | ReadOnly: candidate.ReadOnly(), |
| 78 | Destructive: mcpDestructiveHint(candidate), |
| 79 | }) |
| 80 | } |
| 81 | return snapshot |
| 82 | } |
| 83 | |
| 84 | func (t *UseCapabilityTool) resolveUnconnectedMCPCall(id string, args json.RawMessage, base tool.ResolvedCall, spec plugin.Spec, server, raw, modelName string) tool.ResolvedCall { |
| 85 | destructive := false |
| 86 | if t.catalog != nil { |
| 87 | if entry, found := t.catalog().Lookup(id); found { |
| 88 | destructive = entry.Destructive |
| 89 | } |
| 90 | } |
| 91 | readOnly := false |
| 92 | var schema json.RawMessage |
| 93 | if cached, _, found := t.localMCPTool(server, raw); found { |
| 94 | destructive = destructive || cached.Destructive |
| 95 | readOnly = cached.ReadOnly |
| 96 | schema = cached.Schema |
| 97 | } else if cached, found := plugin.CachedToolSafetyForSpec(spec, raw); found { |
| 98 | destructive = destructive || cached.Destructive |
| 99 | readOnly = cached.ReadOnly |
| 100 | } |
| 101 | lazy := &onDemandMCPTool{proxy: t, spec: spec, server: server, raw: raw, modelName: modelName, destructive: destructive, readOnly: readOnly, schema: schema} |
| 102 | base.Target = lazy |
| 103 | base.TargetName = modelName |
| 104 | base.ReadOnly = lazy.ReadOnly() |
| 105 | if len(args) == 0 { |
| 106 | base.Args = json.RawMessage(`{}`) |
| 107 | } else { |
| 108 | base.Args = args |
| 109 | } |
| 110 | return base |
| 111 | } |
| 112 |