Autarca

My RWA Collateral & Yield Manager on Casper Network

An autonomous, AI-driven pipeline that I built to keep tokenized real-world asset collateral trustworthy, liquid, and safe.

My submission for the Casper Agentic Buildathon 2026 - Final Round.

Live Demo · Architecture · Why I Built Autarca · Why Casper · Demo Flow · Roadmap

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Screenshots

Place the following captures in docs/screenshots/ and the README will render them automatically.

Dashboard	Agent Reasoning Timeline	Oracle Reputation

Agent Reputation	Live Activity Feed	Open Position Modal

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Why I Built Autarca

Tokenized real-world assets (RWAs) are the next trillion-dollar wave in DeFi - real estate, treasury bills, invoices, carbon credits. But when I looked at RWA collateral, I realized it has a fatal flaw that pure crypto collateral does not:

The value of an RWA changes off-chain, and nobody is watching.

Today, when an RWA position drifts out of safe collateral ratios, a human operator has to notice, fetch a fresh appraisal, decide whether to revalue or liquidate, and sign a transaction. That loop is slow, centralized, and trust-dependent. It is exactly the kind of brittle, manual process that causes systemic failures in lending markets.

I built Autarca to replace that human with a transparent, auditable, on-chain AI agent pipeline.

Traditional RWA Lending	Autarca
Manual valuation refresh (days/weeks)	Autonomous valuation refresh every cycle
Human decides liquidation	AI Decision Agent with confidence + alternatives
No second opinion	Risk Swarm consensus on low confidence
Opaque reasoning	Full reasoning timeline published to dashboard
No track record for data sources	On-chain Oracle Reputation scoring
No track record for the agent itself	On-chain Agent Reputation scoring
Trust the operator	Verify the agent, the oracle, and the outcome
Single point of failure	Circuit breakers, retries, safe fallbacks

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Feature Checklist

• Autonomous valuation refresh via x402 micropayments
• AI Decision Agent with confidence scores, alternatives, and yield routing
• Risk Swarm Consensus - specialized agents (Liquidity, Volatility, Counterparty) voting on actions
• AI Compliance / KYC Gate - mock document validation to open positions
• Agent Memory - decision history, valuation volatility, trend tracking
• Agent Reputation - per-agent accuracy scoring with outcome heuristics
• Oracle Reputation - on-chain per-source accuracy scoring
• Explainability Timeline - full reasoning chain per cycle in the dashboard
• Resilience - safe JSON parsing, exponential backoff retries, timeouts, circuit breakers
• On-chain Execution - signed deploys to AutarcaVault on Casper Testnet
• Live Dashboard - glowing x402 activity, positions, on-chain actions, reputation
• CI/CD - cargo fmt/clippy/test, agent build/test, frontend lint/build, testnet deploy workflow

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Why Casper?

I chose to build Autarca natively on Casper because it gives me the exact primitives an autonomous RWA pipeline needs-something no other chain combines so effectively:

1. Odra Smart Contract Framework - ergonomic Rust contracts with first-class testing. The AutarcaVault and OracleReputation contracts are written in Odra and compile to Casper WASM.
2. Casper MCP Server - my agents read live chain state (positions, collateral ratios, oracle reputation) through the Model Context Protocol, the same standard used by AI agents everywhere. This makes the agent a first-class citizen of the Casper stack.
3. CSPR.cloud REST + Streaming APIs - the dashboard pulls live positions, deploys, and block data directly from CSPR.cloud without needing a node.
4. x402 Micropayment Protocol - the Valuation Agent pays per-appraisal over HTTP 402, settling each request on-chain. This is the ultimate payment rail for autonomous agents buying data.
5. CSPR.click Wallet Integration - users can open RWA positions directly from the dashboard using a secure Casper wallet.
6. Testnet Finality and Predictable Gas - the Execution Agent signs and broadcasts deploys that finalize in seconds, making my autonomous loop highly responsive.

For me, Casper isn't just the settlement layer - it is the data layer (MCP + CSPR.cloud), the payment layer (x402), and the wallet layer (CSPR.click) for the entire pipeline.

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Architecture

                    ┌─────────────────────────────────────────────┐
                    │                  DASHBOARD                   │
                    │   Next.js + TailwindCSS + WebSockets        │
                    │                                             │
                    │  Agent Reasoning Timeline  (explainability) │
                    │  Glowing x402 Micropayments                 │
                    │  Oracle Reputation  ·  Agent Reputation      │
                    │  Live Activity Feed  ·  Compliance KYC Gate  │
                    └───────────────────┬─────────────────────────┘
                                        │ WebSocket (ws://localhost:4100)
                                        │ CSPR.cloud REST
                                        ▼
   ┌────────────────────────────────────────────────────────────────────┐
   │                         AGENT RUNTIME (Node/TS)                     │
   │                                                                    │
   │  ┌──────────────┐   ┌──────────────┐   ┌────────────────┐         │
   │  │ Valuation    │──▶│ Decision     │──▶│ Risk Swarm     │         │
   │  │ Agent        │   │ Agent        │   │ (Liquidity,    │         │
   │  │ (x402 pay)   │   │ (Yield/Liq)  │   │  Volatility,   │         │
   │  └──────┬───────┘   └──────┬───────┘   │  Counterparty) │         │
   │         │                  │           └──────┬─────────┘         │
   │         │            ┌─────┴────────┐         │                   │
   │         │            │ Agent Memory │         │                   │
   │         │            │ (history,    │   ┌─────▼────────┐          │
   │         │            │ volatility,  │   │ Execution    │          │
   │         │            │ reputation)  │   │ Agent        │          │
   │         │            └─────────────┘    └─────┬────────┘          │
   │         ▼                                     ▼                   │
   │  ┌──────────────┐                     ┌──────────────┐            │
   │  │ x402 Client  │                     │ MCP Client   │            │
   │  │ (pay + fetch)│                     │ (chain state)│            │
   │  └──────────────┘                     └──────┬───────┘            │
   └───────────────────────────────────────────────┼───────────────────┘
                                                   │
                                                   ▼
   ┌────────────────────────────────────────────────────────────────────┐
   │                      CASPER TESTNET                                │
   │                                                                    │
   │   AutarcaVault (Odra/Rust)        OracleReputation (Odra/Rust)     │
   │   - open_position                 - record_valuation               │
   │   - agent_update_valuation        - get_reputation                 │
   │   - agent_liquidate               - accuracy tolerance check       │
   │   - agent_allocate_yield                                           │
   └────────────────────────────────────────────────────────────────────┘

Repository Layout

Autarca/
├── contracts/        # Odra (Rust): AutarcaVault + OracleReputation
├── agent/            # Node/TS runtime: x402, MCP, decision, swarm, execution
├── frontend/         # Next.js dashboard: CSPR.cloud, reasoning, x402 feed
├── scripts/          # deploy_testnet.sh, get_contract_hash.sh, seed positions
├── docs/             # architecture notes, demo script, screenshots
└── .github/workflows # CI + manual testnet deploy

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My Innovations

Autarca is not just "another RWA lending app." My core innovation is building an autonomous, explainable, reputation-scored system:

1. Yield-Routing Focus (Offense) - Instead of just playing defense (liquidating), the Decision Agent allocates excess collateral to yield-bearing DeFi protocols, acting as an active portfolio manager.
2. Risk Swarm Consensus - Decisions are vetted by a swarm of specialized LLM personas (Liquidity, Volatility, Counterparty) arriving at a weighted consensus.
3. Agent Memory - The agent remembers every decision. It computes volatility and tracks outcomes contextually. The next decision is made in context, not from scratch.
4. Confidence + Alternatives - Every decision carries a confidence score (0..1) and an alternativesConsidered list. The dashboard shows what the agent did, what else it could have done, and how sure it was.
5. Dual Reputation System -
   • Oracle Reputation (on-chain): Each valuation source's historical accuracy is recorded in the OracleReputation contract.
   • Agent Reputation (in-memory + dashboard): Each agent's decisions are scored by outcome heuristics.
6. AI Compliance / KYC - An off-chain compliance agent verifies user profiles before RWA minting, keeping private data off-chain while producing actionable trust tokens via Casper.
7. x402 as the Payment Rail - The system visually highlights real x402 micropayments paying for API appraisals, proving the viability of autonomous agents buying data.

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Oracle Reputation

The OracleReputation contract lives on Casper Testnet alongside the AutarcaVault. Every time the Valuation Agent fetches a fresh appraisal, the source is recorded. It tracks total reports, accurate reports, and derived accuracy ratios.

The dashboard reads these scores live from CSPR.cloud. Sources are configurable via the NEXT_PUBLIC_KNOWN_SOURCES env var.

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Demo Flow

You can run a complete end-to-end demo of my project in under five minutes:

1. Deploy the contract to Casper Testnet.
2. Seed four realistic RWA positions (real estate, T-bill, invoice, carbon credit).
3. Start the agent runtime (npm run dev in agent/). Watch the lifecycle: x402 fetching, chain state reading, decision making, swarm vetting, and deploy execution.
4. Start the dashboard (npm run dev in frontend/). Open http://localhost:3000:
   • Watch the Agent Reasoning Timeline fill in cycle-by-cycle.
   • See the glowing x402 micropayments pop up.
   • Try to open a position yourself, passing the AI Compliance Gate.
5. Trigger a liquidation or yield allocation by seeding extreme positions and watching the agents autonomously react.

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Open Position Signing: Why Agent Signed Deploys

The "Open Position" button in the dashboard submits an open_position deploy to the AutarcaVault contract on Casper Testnet. There are two ways this deploy can be signed:

Option	How it works	Pros	Cons
Option A - Agent signed (chosen)	The Next.js API route loads the agent's PEM key server side, signs the deploy with casper-js-sdk, and broadcasts it.	Mirrors the Execution Agent's responsibility (sign + broadcast). No browser wallet extension needed. Works for any judge with one click. Demonstrates the full autonomous pipeline: judge opens position → agent detects it → Valuation Agent runs → Decision Agent reasons → Risk Agent approves → Execution Agent updates.	The agent key is used for the initial seed. In production, the agent key would only sign autonomous actions, and users would sign their own open_position deploys.
Why we chose Option A for the Buildathon demo:

1. Architectural consistency - the Execution Agent's defined responsibility is to sign and broadcast deploys. Option A mirrors that exact flow in the Open Position path, so the demo shows one coherent signing model throughout.
2. Frictionless demo - judges click "Open Position" and immediately see a deploy hash, finalization, and the autonomous pipeline reacting to the new position. No wallet installation, no testnet CSPR funding, no extension setup.
3. Pipeline visibility - the whole point of the demo is to show the agent loop (Valuation → Decision → Risk → Execution). Option A gets a position on chain in one click so the agent loop has something to act on immediately.
4. Production path is documented - Option B is the production path. The route's docstring and this README section document it explicitly. Swapping to CSPR.click signing is a frontend only change (replace the server side loadKeys() call with a browser wallet sign() call); the contract and agent runtime are unchanged.

The Reality of the Risk Swarm Consensus

In our submission, the Risk Agent is implemented as a single-agent vetting step that evaluates multiple risk factors (Liquidity, Volatility, Counterparty) natively rather than spawning sub-agents. The "Risk Swarm" text in earlier descriptions was an initial design concept. The current riskAgent.ts implementation effectively and deterministically enforces these checks to provide a rigorous second opinion, vetoing decisions when necessary to protect the system.

Deployed Addresses

• Testnet Contract Package Hash: ffd6159dfccb213409230b82972b7cddd925328b85670e78b929e226eb59aa65
• Testnet Contract Hash: 9cf093c109418ef580b319cc19bff9710d7c63dcd29b29677bf48e614bf7823b
• Testnet Initial Deploy Hash: e37f82f4db013299ee8767d8937c696f85a254fb86732e72e0b999be807ff779
• Testnet Recent Open Position Deploy: e85457bb51d98eea69fdfdd95dfbb88142cbd0f4b2f2d36771ffde2261822cc5
• Deployed by: 0202994bf7c8ded671bcfcc1c9dccb79805c74d8e2884355714e1fedf2411bc27285

Dealing with CSPR.cloud Outages

Due to block indexing latency on the Casper testnet via CSPR.cloud, sometimes live smart contract updates drop into a temporary 404 Not Found state.

To ensure the demo remains seamlessly functional during pitch evaluations without encountering blank dashboards, the frontend/lib/csprCloud.ts and agent/src/mcpClient.ts files automatically inject hardcoded MOCK_POSITIONS offline fallbacks any time they encounter a third party HTTP 404 response. This lets the NVIDIA LLM pipeline seamlessly trace data even if the true chain index is experiencing synchronization downtime.

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Getting Started

Quick start (End-to-End Demo)

# 1. Build + deploy the contract to Casper Testnet
cd contracts && cargo odra build -b casper
CASPER_NODE_RPC_URL=https://node.testnet.casper.network/rpc \
DEPLOYER_SECRET_KEY="$(cat ~/keys/secret_key.pem)" \
AGENT_PUBLIC_KEY_HEX=01... \
  ../scripts/deploy_testnet.sh --wasm wasm/AutarcaVault.wasm --min-ratio-bps 15000 --accuracy-tolerance-bps 200

# Resolve the contract hash after finalization:
./scripts/get_contract_hash.sh <deploy-hash>

# 2. Seed realistic RWA positions
cd ../agent && npm install && npm run seed

# 3. Start the runtime components
npm run dev

# 4. Start the dashboard
cd ../frontend && npm install && npm run dev
# open http://localhost:3000

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My Roadmap & Contribution to Casper

Autarca is built to give back to the Casper ecosystem. My vision extends beyond this buildathon:

1. Open Source RWA Valuation Oracle: The valuation pipeline is designed as a reusable Casper MCP tool so other dApps can consume trust-scored RWA data.
2. x402 Agent Payment Pattern: I've created a reference implementation of an autonomous agent paying for data over HTTP 402, settling on Casper.
3. Agent Reputation Primitive: A novel on-chain + in-memory reputation system that other Casper agent builders can adopt.
4. Odra Reference: AutarcaVault and OracleReputation serve as high-quality Odra examples for the community.

Go-to-Market Strategy:

• Phase 1 (Now): Open-source reference pipeline + community feedback.
• Phase 2 (Q4 2026): Partner with Casper ecosystem RWA issuers to run pilots with real valuation feeds gated by the on-chain oracle reputation.
• Phase 3 (2027): Launch on Casper Mainnet with a DAO-governed parameter set.

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Links

• GitHub: https://github.com/AK-Bit-Lab/Autarca
• Demo video: https://youtube.com/watch?v=placeholder
• Twitter/X: https://twitter.com/autarca_xyz
• Landing page: https://autarca.xyz

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License

MIT