Aria Harness
Standalone runtime for persistent AI agents

The runtime for agents that need to stay coherent after the first demo

Aria Harness is a standalone runtime for persistent AI agents with local encrypted runtime state, pre/mid/post cognition receipts, Hive coordination, session locks, cross-session inbox, a flexible memory substrate, and 24/7 worker support. Bring your own model key and try the full runtime free for 48 hours.

Standalone runtime BYO model Cross-session drift prevention 24/7 worker support
01
Mounted Runtime Local encrypted runtime state, leases, receipts, autonomy queues, and telemetry.
02
Flexible Memory Substrate Persistent context continuity that preserves, retrieves, and reinjects what matters.
03
Hive Coordination Agents register, heartbeat, lock resources, message each other, and keep synchronized.
04
Receipts and Gates Pre, mid, and post cognition receipts prevent drift and keep action lineage explicit.
OpenClaw workers can bind through CONSULT -> BIND -> ACT. Unread coordination is injected into the next harness packet as HIVE_SESSION_INBOX. The model is the inference engine. The runtime is the continuity layer.
Why it exists

Most agent systems fail on hour 12, day 3, and session 40

The failure mode is not only model quality. It is runtime quality. Agents drift, collide with sibling sessions, lose continuity, and stop being able to justify why the next action still matches the original task. Aria Harness is built for that layer.

Problem

Bigger prompts do not cure long-horizon drift

A finite model window cannot be the whole continuity strategy. Long-running agent work needs durable state, retrieval, receipts, and coordination primitives. Otherwise the system slowly loses the plot.

Approach

The runtime carries what the model should not carry alone

The mounted runtime holds encrypted local state, flexible memory substrate, worker lifecycle, receipt chains, and action gates. The model focuses on inference. The runtime governs execution.

What the runtime does

Infrastructure for persistent, governed agency

Receipts

Receipt chains that preserve causality

Every pre, mid, and post cognition phase can mint receipts. Later actions inherit validated prior context instead of improvising from a decayed local state.

Memory

Flexible memory substrate that cures context loss

The runtime preserves, retrieves, and reinjects what matters so agents stop forgetting decisions, dropping continuity, or restarting large projects from scratch.

Action governance

Gates before edits, commands, and emission

Pre-action cognition and post-output validation turn execution into a controlled surface rather than a raw model impulse.

24/7 autonomy

Worker queues, heartbeats, claims, fail, requeue

Long-running jobs are first-class runtime entities. Persistent agents stay live, recover, and continue rather than disappearing when one session ends.

Hive Runtime

Coordination becomes part of the reasoning substrate

Hive Runtime turns isolated sessions into a coordinated field. Agents can register, heartbeat, lock files, send targeted or broadcast session messages, and receive unread coordination inside the next harness packet itself.

Cross-session communication should not live in a dashboard no one checks. It should arrive inside the next reasoning substrate so the agent sees it while thinking.

HIVE_SESSION_INBOX

OpenClaw workers stop being loose prompt-driven subprocesses and become governed operators with CONSULT -> BIND -> ACT.

OPENCLAW HARNESS BINDING

Locks

Prevent silent collisions

File and session locking means parallel workers do not stomp the same code path and call it collaboration after the damage is done.

Messaging

Broadcast and targeted coordination

Sessions can ask for handoff, signal blockers, announce intent, or resolve lock conflicts across the whole harness field.

48-hour technical preview

Try the full runtime, not a toy tier

The preview lasts 48 hours from the first successful heartbeat. No credit card. Bring your own model key. You get the mounted runtime, Hive coordination, flexible memory substrate, session locks, cross-session inbox, and autonomy primitives as they actually exist.

Clock starts on first heartbeat No credit card BYO model key Read-only after preview Built for real long-running work
Pricing

Price the runtime like infrastructure, not like a chat skin

The runtime value is continuity, coordination, and governed execution. The launch pricing should be low enough for serious builders to install, but high enough to filter out shallow curiosity traffic.

Developer

For solo builders

$29/mo
  • BYO model key
  • 1 workspace
  • Mounted runtime
  • Flexible memory substrate
  • Hive registration and proof telemetry
Enterprise

For continuous fleets

Custom
  • Hosted or self-hosted
  • SSO and audit surfaces
  • Dedicated instances
  • Runtime policy customization
  • Priority onboarding

Honest launch view: BYO key keeps your burn low, makes the preview safe, and lets the runtime sell on its own merit.