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Documentation Index

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Corvus is built as a multi-layered, trait-driven agent framework designed for security, extensibility, and performance. This page provides a comprehensive view of the system architecture and how components interact.

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System Architecture

Corvus follows a layered architecture with clear separation of concerns: 
┌─────────────────────────────────────────────────────────────┐
│                    Interfaces Layer                         │
│  CLI │ Desktop (Compose) │ Web Dashboard │ Mobile (iOS/Android)
└────────────────┬────────────────────────────────────────────┘
                 │
┌────────────────▼────────────────────────────────────────────┐
│                   Gateway & Service Layer                    │
│  • HTTP/WebSocket Gateway  • Pairing & Authentication       │
│  • Channel Integrations    • Webhook Handlers               │
└────────────────┬────────────────────────────────────────────┘
                 │
┌────────────────▼────────────────────────────────────────────┐
│                    Agent Core (Rust)                         │
│  • Agent Loop Orchestration  • Tool Execution               │
│  • LLM Provider Routing      • Memory Management            │
│  • Security Policy Engine    • Mission Planner              │
└─┬──────────┬─────────┬──────────┬────────────┬─────────────┘
  │          │         │          │            │
  │          │         │          │            │
  ▼          ▼         ▼          ▼            ▼
┌─────┐  ┌──────┐  ┌──────┐  ┌───────┐  ┌─────────┐
│ LLM │  │Tools │  │Memory│  │Channels│  │Runtime  │
│ API │  │(MCP) │  │ DB   │  │(Chat)  │  │Sandbox  │
└─────┘  └──────┘  └──────┘  └───────┘  └─────────┘

​
Core Components

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1. Agent Runtime

The Agent Runtime is the heart of Corvus, written in Rust for maximum performance and safety. It orchestrates the agent loop and manages the flow of execution. Key responsibilities:
  • Execute the agent reasoning loop
  • Route requests to appropriate LLM providers
  • Enforce security policies
  • Manage conversation state and memory
  • Handle tool invocations with sandboxing
Location: clients/agent-runtime/src/agent/

​
2. LLM Provider Layer

Corvus supports multiple LLM providers through a unified Provider trait interface. Supported providers:
  • OpenAI (GPT-4, GPT-3.5)
  • Anthropic (Claude)
  • Google Gemini
  • Ollama (local models)
  • OpenRouter (model aggregation)
  • GitHub Copilot
Key features:
  • Provider-agnostic tool calling (native or prompt-guided)
  • Automatic failover and retry logic
  • Request/response streaming
  • Cost tracking and rate limiting
Location: clients/agent-runtime/src/providers/

​
3. Tool Execution System

Tools extend agent capabilities through the Tool trait. Each tool is a self-contained unit with:
  • JSON schema for parameters
  • Async execution handler
  • Structured result format
Built-in tools:
  • shell - Execute shell commands (with security policies)
  • file_read/file_write - File system operations
  • git_operations - Git commands
  • memory_store/memory_recall - Memory operations
  • http_request - HTTP client
  • browser - Web automation
  • delegate - Sub-agent delegation
  • MCP (Model Context Protocol) tools
Location: clients/agent-runtime/src/tools/

​
4. Memory System

Corvus provides pluggable memory backends implementing the Memory trait: Backends:
  • Markdown - File-based storage for simplicity
  • SQLite - Embedded SQL database
  • Neo4j - Graph-based relationships
  • SurrealDB - Multi-model database
Memory categories:
  • core - Long-term facts and preferences
  • daily - Session logs
  • conversation - Chat context
  • Custom categories
Location: clients/agent-runtime/src/memory/

​
5. Channel Integrations

Channels implement the Channel trait to connect Corvus with external messaging platforms. Supported channels:
  • WhatsApp (Meta Cloud API)
  • Telegram
  • Discord
  • Slack
  • Email
  • CLI (stdin/stdout)
Features:
  • Async message listening
  • Typing indicators
  • Draft message updates (streaming)
  • Health checks
Location: clients/agent-runtime/src/channels/

​
6. Security Layer

Security is built into every layer of Corvus: Components:
  • Policy Engine - Defines what agents can do
  • Pairing Guard - Gateway authentication
  • Sandbox - Isolates dangerous operations
  • Audit Logger - Records all actions
  • Secret Store - Encrypted credential storage
Location: clients/agent-runtime/src/security/ See Security Model for detailed information.

​
7. Runtime Adapters

RuntimeAdapters abstract platform differences through the RuntimeAdapter trait: Runtimes:
  • Native - Direct execution on host OS
  • Docker - Containerized isolation
  • WASM (planned) - WebAssembly sandboxing
Location: clients/agent-runtime/src/runtime/ See Runtime Model for detailed information.

​
Data Flow

​
Typical Request Flow

​
Agent Loop Execution

  1. Message Arrival - Channel receives message and routes to agent
  2. Context Loading - Agent recalls relevant memories
  3. LLM Invocation - Provider generates response with optional tool calls
  4. Tool Execution - Tools run in sandboxed environment
  5. Result Processing - Tool results fed back to LLM
  6. Response Generation - Final answer synthesized
  7. Memory Storage - Interaction logged for future recall
  8. Reply Delivery - Response sent back through channel

​
Extension Points

Corvus is designed for extensibility through its trait-based architecture:

Provider Trait

Add support for new LLM providers

Tool Trait

Create custom agent capabilities

Channel Trait

Integrate new messaging platforms

Memory Trait

Implement custom persistence backends

RuntimeAdapter Trait

Support new execution environments

Observer Trait

Add observability and monitoring

​
Project Structure

The Corvus monorepo is organized for clarity and modularity: 
corvus/
├── clients/
│   ├── agent-runtime/     # Rust agent core (this doc)
│   ├── composeApp/        # Kotlin Multiplatform UI
│   ├── androidApp/        # Android wrapper
│   ├── iosApp/            # iOS wrapper
│   └── web/               # Web dashboard + docs
├── modules/
│   └── agent-core-kmp/    # Shared KMP business logic
├── dev/                   # Local dev environment
├── gradle/                # Build configuration
└── Makefile               # Standard dev commands

​
Configuration System

Corvus uses a hierarchical configuration system:
  1. Default values - Built into code
  2. Config file - corvus.toml or corvus.json
  3. Environment variables - Prefixed with CORVUS_
  4. CLI arguments - Highest priority
Key config sections:
  • provider - LLM configuration
  • security - Policy and sandbox settings
  • runtime - Execution environment
  • memory - Persistence backend
  • gateway - HTTP server settings
  • channels - Messaging platform credentials

​
Performance Characteristics

​
Startup Time

  • Cold start: <100ms (native runtime)
  • With Docker: ~2-3s (container spin-up)

​
Memory Footprint

  • Baseline: ~20-30MB (Rust binary)
  • With active session: ~50-100MB
  • Docker limit: Configurable (default 512MB)

​
Throughput

  • Tool execution: <50ms overhead
  • Memory operations: <10ms (SQLite)
  • Channel latency: <100ms (webhook processing)

​
Next Steps

Trait System

Learn about the trait-based architecture

Runtime Model

Understand execution environments

Security Model

Explore security layers and policies

Building Your First Agent

Get started with Corvus

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