System Architecture

Infrastructure Architecture

Modular execution layer designed for security, determinism, and scale

System Overview

Five-layer architecture for autonomous agent execution on Solana

L1

Agent Intent Layer

Intent generation, validation, and schema normalization

L3

Execution Router

Transaction construction, dispatch, and coordination

L5

Audit & Indexing

Comprehensive logging, verification, and analytics

L2

Policy Engine

Rule evaluation, constraint checking, and enforcement

L4

On-Chain Programs

Solana smart contracts and protocol integrations

Flow Direction: Top to Bottom

Core Modules

Deep dive into each architectural component

#01

Agent Intent Layer

Standardized interface for AI models to express execution intents. Provides intent schema validation, normalization, and routing to the policy engine.

Key Features

  • Intent schema definition and validation
  • Multi-format intent support (JSON, protobuf)
  • Intent versioning and compatibility
  • Agent identity verification

Technical Details

Implements a type-safe intent protocol that translates high-level AI decisions into structured, verifiable execution requests.

#02

Policy Engine

Core policy enforcement layer that evaluates every intent against predefined rules before execution. Provides deterministic decision-making with on-chain verification.

Key Features

  • Declarative policy definition language
  • Multi-constraint evaluation (value limits, program allowlists, rate limits)
  • Policy versioning and upgrades
  • Emergency circuit breakers

Technical Details

Executes policy checks as deterministic predicates with full audit trails. All policy decisions are recorded on-chain for verification.

#03

Execution Router

Dispatches validated intents to appropriate Solana programs. Handles transaction construction, signing coordination, and execution monitoring.

Key Features

  • Dynamic program routing based on intent type
  • Transaction batching and optimization
  • Multi-signature coordination
  • Execution retry and error handling

Technical Details

Implements intelligent routing logic that maps validated intents to specific Solana program invocations with optimal transaction structure.

#04

On-Chain Programs

Solana smart contracts that execute agent actions. Provides program-specific logic for DeFi operations, NFT management, governance, and other on-chain activities.

Key Features

  • Integration with major Solana protocols (Jupiter, Orca, etc.)
  • Custom program adapters
  • State verification and consistency checks
  • Gas optimization patterns

Technical Details

Leverages Solana's high-performance runtime for efficient agent execution with sub-second finality and minimal transaction costs.

#05

Audit & Indexing Layer

Comprehensive logging and indexing infrastructure for all agent operations. Provides queryable execution history, verification tools, and analytics.

Key Features

  • Real-time execution indexing
  • Full execution trace reconstruction
  • Policy compliance verification
  • Agent behavior analytics

Technical Details

Maintains an immutable audit log of all agent actions, policy evaluations, and execution outcomes for regulatory compliance and debugging.

Execution Flow

Step-by-step journey of an agent intent through the system

1

Intent Generation

AI model generates structured intent with action type, parameters, and constraints

2

Intent Validation

Schema validation, agent authentication, and intent normalization

3

Policy Evaluation

Policy engine evaluates intent against rules (value limits, program allowlists, rate limits)

4

Execution Approval

Policy decision recorded on-chain. Approved intents proceed to routing

5

Transaction Construction

Router builds optimized Solana transaction with correct program invocations

6

On-Chain Execution

Transaction submitted to Solana. Programs execute agent action

7

Audit Logging

Execution outcome, policy decisions, and transaction data indexed for verification

Security First

Security Model

Multi-layer security approach for agent operations

Agent Authentication

Cryptographic identity verification for all agents. Public key infrastructure with revocation.

Policy Enforcement

All intents gated by policy engine. No execution without explicit approval from policy predicates.

Program Allowlists

Agents can only interact with pre-approved Solana programs. Prevents unauthorized program access.

Value Constraints

Hard limits on transaction values, token amounts, and asset transfers enforced at policy layer.

Rate Limiting

Time-based execution throttling prevents runaway agents and protects against abuse.

Audit Trails

Immutable execution logs enable post-hoc analysis, compliance verification, and incident response.