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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

0.7.0 - 2026-03-20

Added

  • OpenTelemetry distributed tracing with W3C Trace Context propagation
  • /health HTTP endpoint for liveness and readiness checks
  • OTLP gRPC exporter for trace data
  • otelgrpc server and client interceptors for automatic gRPC span creation
  • Span annotations for A2A task lifecycle events

0.6.0 - 2026-03-20

Added

  • MCP server supporting both stdio and Streamable HTTP transports
  • 7 MCP tools: send_task, get_task, cancel_task, list_peers, connect_peer, discover_agents, get_agent_card
  • Prometheus metrics with 13 counters and gauges covering tasks, peers, streams, and NAT
  • /metrics HTTP endpoint for Prometheus scraping

0.5.0 - 2026-03-19

Added

  • Streaming RPCs: StreamStart, StreamChunk, StreamEnd envelope types
  • Chunked artifact delivery for large payloads over libp2p streams
  • ANP JSON-RPC bridge for interoperability with ANP-compatible agents

0.4.0 - 2026-03-19

Added

  • DID-based peer addressing with did:key ↔ PeerID bidirectional conversion
  • DHT-based discovery for global peer and skill lookup
  • Composite discovery combining mDNS, DHT, and relay registry
  • Routing cache with configurable TTL for discovery results

0.3.0 - 2026-03-18

Added

  • HTTP Bridge for A2A ↔ P2P interoperability
  • Card endpoint serving Agent Card over HTTP (/.well-known/agent.json)
  • Inbound HTTP handler converting HTTP A2A requests to P2P tasks
  • Outbound HTTP handler for sending tasks to standard HTTP-based A2A agents
  • Anycast routing engine with skill-based addressing

0.2.0 - 2026-03-18

Added

  • ConnectPeer and ListPeers RPCs for explicit peer management
  • Agent Card management with local storage and exchange on connect
  • mDNS discovery integration for automatic LAN peer detection

0.1.0 - 2026-03-17

Added

  • Core P2P daemon (agentanycastd) with libp2p v0.47
  • A2A protocol engine with task state machine (submitted → working → completed/failed)
  • Message router with ACK tracking and retransmission
  • Offline message queue with auto-flush on peer reconnection
  • Automatic Agent Card exchange on peer connect
  • Ed25519 cryptographic identity with Noise_XX encryption
  • NAT traversal: AutoNAT + DCUtR hole-punching + Circuit Relay v2
  • mDNS auto-discovery for LAN communication (zero-config)
  • BoltDB persistence for tasks, cards, and queued messages
  • gRPC server with 13 RPC methods for SDK integration
  • Configuration via CLI flags, environment variables, and TOML config file
  • CI pipeline with vet, lint, test, and cross-platform build
  • Release workflow for automated binary builds (5 platforms)