knaackee 

Graph-based multi-agent orchestration with sequence, parallel, and hierarchical execution.

JSON and YAML workflow definition language for Nexus orchestration.

Conversation history and working memory for Nexus agents.

AG-UI event bridge for frontend streaming.

ASP.NET Core endpoints for A2A, AG-UI SSE streaming, and health checks.

Snapshot serialization and restore for orchestration state.

API key auth, OAuth2 client credentials, and token cache for Nexus.

Inter-agent pub/sub messaging, shared state, and dead letter queue.

Runtime context compaction services for Nexus agent loops.

Mock agents, fake LLM clients, and event recording for testing Nexus applications.

Session persistence and transcript storage for Nexus agent runs.

PII redaction, prompt injection detection, and secrets scanning guardrails.

Agent-to-Agent protocol client with JSON-RPC transport.

Session-aware execution loop for Nexus agents.

Token counting and USD cost tracking per agent and session.

Slash command framework for interactive Nexus agent sessions.

Tool approval rules and permission policies for Nexus agents.

Built-in standard tools for file, shell, search, web, user interaction, and sub-agent scenarios.

Skill injection middleware for Nexus agent capabilities.

Local-first issue tracker CLI — .NET port of beads_rust