release aidev SIG 4/5

Hermes Agent v0.2.0: messaging gateway, MCP client, skills ecosystem

First tagged release after the initial pre-public foundation, covering 216 merged PRs from 63 contributors. Turns Hermes into a multi-platform agent host: a messaging gateway spanning Telegram, Discord, Slack, WhatsApp, Signal, email and Home Assistant, a native MCP client, 70+ bundled skills, editor integration over ACP, git worktree isolation, and filesystem checkpoints with rollback.

PUBLISHED2026-03-12
OBSERVED2026-08-11
AGE5mo
SOURCES1
  • Messaging gateway across Telegram, Discord, Slack, WhatsApp, Signal, email (IMAP/SMTP) and Home Assistant, with unified sessions, media attachments and per-platform tool config
  • MCP client with stdio and HTTP transports, reconnection, resource/prompt discovery, and server-initiated sampling (#291, #301, #753)
  • Skills ecosystem: 70+ bundled and optional skills over 15+ categories, Skills Hub for discovery, per-platform toggles, conditional activation on tool availability, prerequisite validation (#743, #785)
  • Centralized provider router: call_llm()/async_call_llm() replaces scattered provider logic in vision, summarization, compression and trajectory saving, with automatic credential resolution (#1003)
  • ACP server for VS Code, Zed and JetBrains (#949)
  • Provider additions: Nous Portal, OpenAI Codex via Responses API with ChatGPT subscription auth, Kimi Code, MiniMax, z.ai/GLM, Moonshot, Azure OpenAI, self-hosted Firecrawl (#43, #635, #473, #460)
  • /model validated against the live API rather than hardcoded lists; /model and /provider merged into one view
  • Agent loop: fallback model on provider failure, shared iteration budget across parent and subagents, 413 payload-too-large handled by compression instead of aborting, retry with rebuilt payload after compression, tool-call repair middleware, /reasoning effort control (#740, #153, #616, #921)
  • Loop detection blocks file re-read/search cycles after context compression (#705)
  • Sessions: unique titles with auto-lineage, resume by name, interactive browser with search, prior messages shown on resume, /resume in gateway (#720, #733, #734)
  • Honcho cross-session user modeling with async memory flush on session expiry (#38)
  • hermes -w runs sessions in isolated git worktrees (#654)
  • Filesystem checkpoints with /rollback before destructive operations (#824)
  • CLI skin engine: 7 built-in skins plus custom YAML
  • Test suite grown to 3,289 tests across agent, gateway, tools, cron and CLI
featurecapabilitymodel-support

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