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Changelog

All notable changes to Agent DB SDK are documented here.

[1.5.0] - 2026-03-05

Added

  • Decentralized Chat Application: A full-featured chat interface (/chat) where memory is persisted entirely on IPFS/Storacha.
  • Session Registry (IPNS): Implemented a decentralized index of all agent sessions using IPNS, allowing state recovery across any device without a central server.
  • Private Memory (ECIES): Added military-grade encryption for agent memories using X25519 and AES-256-GCM.
  • UCAN Delegation UI: Added a "Share" button to issue cryptographically signed read permissions to other agents via IPFS.
  • Premium Documentation Hub: Revamped the /get-started page with 14 detailed steps covering the entire 39-method SDK.
  • Architecture Overview: Added high-level documentation for Identity, Storage, Privacy, and Coordination layers.
  • Landing Page CTA: Added a primary "Try Decentralized Chat" button to the hero section for direct SDK demonstration.

Fixed

  • IPFS Propagation Delay: Implemented a write-through cache and local file fallback in StorachaService to eliminate the delay when fetching freshly pinned CIDs.
  • Chat Layout Stability: Overhauled CSS for the chat page to ensure pinned headers, footers, and scrollable sidebars work perfectly even with 100+ active chats.
  • Encrypted Memory Recovery: Fixed the backend recover logic to auto-detect and decrypt private memory payloads.
  • SDK Type Safety: Resolved all linting issues and ensured proper tsup build exports for all 39 SDK methods.

[1.4.1] - 2026-03-03

Fixed

  • NPM Publish: Resolved version conflict for re-publishing.

[1.4.0] - 2026-03-02

Added

  • Model Context Protocol (MCP): Implemented full server with tools for memory storage, encryption, and delegation.
  • Premium Documentation Website: Launched futuristic, responsive docs hub in the /docs folder.
  • Claude Desktop Support: Added standard configuration for easy LLM integration.

[1.3.0] - 2026-03-02

Added

  • ECIES Encryption (src/lib/encryption.ts): Implemented ECIES with NIST P-256 for secure, large-payload private memory on IPFS.
  • File-Based Persistence: Upgraded StorachaService to cache memory blocks in ~/.agent-db/cache, ensuring data survives agent restarts.
  • Safe IPNS Concurrency: Added syncStream() in AgentRuntime to prevent race conditions during collaborative IPNS updates.
  • Runtime Schema Validation: Integrated zod into storePublicMemory() to enforce data integrity on agent payloads.
  • Structured Error Handling: Introduced ValidationError, StorageError, AuthenticationError, and NetworkError classes.
  • Hardening Test Suite: Added src/test-persistence.ts, src/test-encryption.ts, and src/test-dx.ts.

Changed

  • Version Bump: Released production-hardened SDK v1.3.0.

[1.2.0] - 2026-03-01

Added

  • Hackathon Track Alignment:
    • Storacha: Added OpenClaw adapter for persistent agent memory.
    • Filecoin: Deployed AgentRegistry.sol to Calibration Testnet for decentralized agent discovery.
    • Zama: Added ConfidentialFinance.sol for FHE-based trade verification.
    • Lit Protocol: Integrated Vincent API for autonomous wallet management with guardrails.
  • Demos: Added demo:openclaw, demo:filecoin, demo:defi, and demo:lit.

[1.1.0] - 2026-02-28

Added

  • Deterministic Identity: Gated Ed25519 DIDs behind wallet signatures via UcanService.
  • Public Skills Discovery: Added endpoints and demos for publishing and finding public agent contexts.
  • Sovereign Authorization: Client-side UCAN signing for zero-server-privilege state updates.

[1.0.0] - 2026-02-20

Added

  • Initial Release: Core AgentRuntime with IPFS storage and UCAN authentication.
  • LangChain Integration: First-class memory adapter for LangChain agents.