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hyperhive/hive-agent
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Filename Latest commit message Latest commit date
atlas c8df666bf3 agents: login shells read the hive facts too; test the readers 
Part of #5081. Follow-up to the review of #5131.

- Before this PR, claude read CLAUDE_REMOTE_CONTROL_SESSION_NAME_PREFIX
  from managed-settings.json in every context. The environment generator
  reaches every unit of the container's manager, including `machinectl
  shell` (hivectl choom): machined starts it as a transient
  container-shell@ unit (systemd 260.5 src/machine/machine.c:980-1004),
  and every unit's exec environment starts from the manager environment
  the generators fill (src/core/unit.c:5557, src/core/manager.c:3990-4001).
  Shells no unit starts do not get it: `nixos-container root-login` / `run`
  enter with nsenter + `su -l`, and getty logins go through login(1). So
  hive-facts.nix now also exports the generator's output from
  /etc/set-environment (environment.extraInit).
- The generator's read loop kept a last line only when it ended in a
  newline; it now keeps one without.
- checks.script-test-agent-hive-facts runs the rendered generator and the
  shell snippet (under dash and bash's sh) against sample files: both
  facts, a planted LD_PRELOAD/PATH line, a last line without a newline,
  an empty file and no file.
- identity.rs: hive_name()'s doc names the facts file as the source.
2026-10-12 10:52:21 +02:00
..
prompts agents: the send(operator) refusal also covers agents without matrix 2026-10-12 08:50:06 +02:00
src agents: login shells read the hive facts too; test the readers 2026-10-12 10:52:21 +02:00
Cargo.toml agents: remove the hive-level /model control; the swarm editor sets the model 2026-10-10 23:11:53 +02:00
README.md docs(turn-loop): facts + structure pass 2026-10-02 07:52:13 +02:00

README.md

hive-agent

The in-container harness serve-loop binary — one instance per agent. Long-polls the broker inbox and drives one turn per inbox message through hive-runtime, on the agent's runtime (claude --print by default, or an ACP agent). It has one role (agent); the Surface trait + AgentSurface zero-sized type tag keep the turn loop generic and testable for future roles without a parallel copy of the loop.

When to use it

You don't call into this crate from elsewhere — it's the top-level binary systemd starts per agent container. Look here when you need to understand or change: what happens between a message landing in the inbox and the agent's reply, how the harness bootstraps login/auth, how it serves the per-agent web UI, or how turn/event stats get recorded. Architecture detail lives in docs/turn-loop/; this README is just the map of the module tree.

Shape

  • main.rs — the serve loop and the Surface trait; broker calls (inbox poll, ack, send) go through hive-sock-client with hive-core-agent-sock wire types.
  • turn.rs — the turn-loop policy layer: renders the system prompt + MCP config, runs the turn through hive-runtime, classifies the outcome, and feeds the event/turn-stats sinks.
  • login.rs / login_session.rs — first-run and session-resume auth flow for the claude CLI.
  • mcp_config.rs — renders the per-turn --mcp-config / --allowedTools blob from tool groups + capabilities.
  • todos.rs / reminders.rs / todo_server.rs — the harness-local loose-ends v2 stores (sqlite-backed) and the in-agent socket server extra MCP daemons + hive-agent-mcp dial into for todo/reminder ops.
  • vacuum.rs — periodic sqlite vacuum sweep for the harness-local stores.
  • events.rs / turn_stats.rs / stats.rs — append-only event sink and per-turn telemetry recording (context usage, cost, tool favorites) under harness/.
  • prompt.rs — system-prompt renderer (persona + tool docs + environment facts).
  • web_ui/ — the per-agent dashboard (terminal pane, status, schedules) served over the built-in hive-agent web port.
  • paths.rs — canonical path resolution for state/harness dirs and the harness-local sqlite files.

Siblings: hive-agent-mcp (the MCP server this loop points the agent at every turn) and hive-runtime (the library a turn runs through). docs/turn-loop/::Harness binary shape covers all three together.