SQLite persistence layer for Grackle — schema, stores, and migrations

Grackle runtime SDK — interfaces, base classes, shared utilities, and runtime installer

Presentational React component library for the Grackle web UI

HTTP web server for Grackle — static file serving, pairing, OAuth, and ConnectRPC proxy

Orchestration plugin for Grackle — tasks, personas, findings, and escalations

Core gRPC business logic for Grackle - RPC handlers, event system, streaming, session lifecycle

Scheduling plugin for Grackle — schedule CRUD handlers, cron reconciliation phase, and expression parsing

Core plugin for Grackle — gRPC handlers, reconciliation phases, and event subscribers

Plugin contract and loader for Grackle — defines GracklePlugin, PluginContext, and loadPlugins()

Knowledge graph plugin for Grackle — Neo4j, embeddings, and knowledge MCP tools

stdio-to-HTTP MCP proxy for Grackle — bridges stdio-only MCP clients (Claude Desktop, Codex CLI, Clawpilot) to a Grackle HTTP MCP server using static API-key auth

Generic knowledge graph SDK on top of Neo4j with vector search, graph traversal, and pluggable embedders/chunkers

Agent Host Protocol (AHP) type definitions and reducers — vendored from Microsoft's open-source AHP repo, built via prebuild transform step.

A Node.js web server with file-based routing.

AHP (Agent Host Protocol) wire transport: WebSocket + JSON-RPC 2.0 framing primitive (JsonRpcSession, AhpServerSocket, AhpClientSocket).