| 1 | package plugin |
| 2 | |
| 3 | import ( |
| 4 | "maps" |
| 5 | "path/filepath" |
| 6 | "slices" |
| 7 | "strings" |
| 8 | ) |
| 9 | |
| 10 | const ( |
| 11 | codeGraphDaemonIdleTimeoutEnv = "CODEGRAPH_DAEMON_IDLE_TIMEOUT_MS" |
| 12 | // Keep CodeGraph's shared daemon enabled, but do not leave it holding |
| 13 | // watchers for the upstream default 300s after the last MCP client exits. |
| 14 | codeGraphDaemonIdleTimeoutDefaultMS = "5000" |
| 15 | ) |
| 16 | |
| 17 | // ApplyKnownOverrides fills compatibility hints for known MCP servers. These |
| 18 | // are runtime-only adjustments; they do not make a server built-in or change |
| 19 | // startup behavior. |
| 20 | func ApplyKnownOverrides(s Spec, workspaceRoot string) Spec { |
| 21 | if isCodeGraphSpecName(s.Name) { |
| 22 | if isStdioSpecType(s.Type) { |
| 23 | if s.Dir == "" { |
| 24 | s.Dir = strings.TrimSpace(workspaceRoot) |
| 25 | } |
| 26 | s.Env = mergeDefaultEnv(s.Env, codeGraphDaemonIdleTimeoutEnv, codeGraphDaemonIdleTimeoutDefaultMS) |
| 27 | } |
| 28 | // CodeGraph does full-tree indexing + file-watching; run it below normal |
| 29 | // scheduling priority so a background indexer can never starve the user's |
| 30 | // machine (#3797, #2992). The proc-level mechanism already exists but was |
| 31 | // never wired to the spec, so it stayed disabled. |
| 32 | s.LowPriority = true |
| 33 | } |
| 34 | if isCodebaseMemorySpec(s) { |
| 35 | if isStdioSpecType(s.Type) && s.Dir == "" { |
| 36 | s.Dir = strings.TrimSpace(workspaceRoot) |
| 37 | } |
| 38 | // codebase-memory-mcp detects the session root from its subprocess cwd |
| 39 | // during initialize, then optionally starts its own auto-index thread. |
| 40 | // Its initial full-tree indexing can be CPU-heavy; keep it out of the |
| 41 | // foreground scheduling lane just like CodeGraph. |
| 42 | s.LowPriority = true |
| 43 | } |
| 44 | return s |
| 45 | } |
| 46 | |
| 47 | func isCodeGraphSpecName(name string) bool { |
| 48 | return strings.EqualFold(strings.TrimSpace(name), "codegraph") |
| 49 | } |
| 50 | |
| 51 | func isCodebaseMemorySpec(s Spec) bool { |
| 52 | if isCodebaseMemoryID(s.Name) || isCodebaseMemoryCommand(s.Command) { |
| 53 | return true |
| 54 | } |
| 55 | return slices.ContainsFunc(s.Args, isCodebaseMemoryID) |
| 56 | } |
| 57 | |
| 58 | func isCodebaseMemoryCommand(command string) bool { |
| 59 | command = strings.TrimSpace(command) |
| 60 | if command == "" { |
| 61 | return false |
| 62 | } |
| 63 | command = strings.ReplaceAll(command, `\`, `/`) |
| 64 | return isCodebaseMemoryID(filepath.Base(command)) |
| 65 | } |
| 66 | |
| 67 | func isCodebaseMemoryID(raw string) bool { |
| 68 | id := strings.ToLower(strings.TrimSpace(raw)) |
| 69 | id = strings.TrimSuffix(id, ".exe") |
| 70 | id = strings.TrimPrefix(id, "io.github.deusdata/") |
| 71 | if strings.HasPrefix(id, "codebase-memory-mcp@") { |
| 72 | return true |
| 73 | } |
| 74 | switch id { |
| 75 | case "codebase-memory-mcp", "codebase-memory": |
| 76 | return true |
| 77 | default: |
| 78 | return false |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | func isStdioSpecType(typ string) bool { |
| 83 | typ = strings.ToLower(strings.TrimSpace(typ)) |
| 84 | return typ == "" || typ == "stdio" |
| 85 | } |
| 86 | |
| 87 | func mergeDefaultEnv(existing map[string]string, key, value string) map[string]string { |
| 88 | out := make(map[string]string, len(existing)) |
| 89 | maps.Copy(out, existing) |
| 90 | if _, ok := out[key]; !ok { |
| 91 | out[key] = value |
| 92 | } |
| 93 | return out |
| 94 | } |
| 95 |