knaackee 

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

JSON and YAML workflow definition language for Nexus orchestration.

AG-UI event bridge for frontend streaming.

Conversation history and working memory for Nexus agents.

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.

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

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

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

Session-aware execution loop for Nexus agents.

Session persistence and transcript storage for Nexus agent runs.

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

Token counting and USD cost tracking per agent and session.

Slash command framework for interactive Nexus agent sessions.

.NET bridge for the primp HTTP client with browser impersonation. Wraps the original Rust library via P/Invoke for accurate TLS/HTTP2 fingerprinting.

Tool approval rules and permission policies for Nexus agents.

Skill injection middleware for Nexus agent capabilities.