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openclaw - 💡(How to fix) Fix [Bug]: Default 30m heartbeat burns ~2,500 credits/day when agent is completely idle

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Default 30-minute heartbeat fires continuously when agent is idle, burning ~2,500 credits/day with no user value.

Root Cause

Default 30-minute heartbeat fires continuously when agent is idle, burning ~2,500 credits/day with no user value.

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Bug type

Behavior bug (incorrect output/state without crash)

Beta release blocker

No

Summary

Default 30-minute heartbeat fires continuously when agent is idle, burning ~2,500 credits/day with no user value.

Steps to reproduce

  1. Install OpenClaw with default config (agents.defaults.heartbeat.every: "30m")
  2. Leave agent idle with no active tasks
  3. Observe continuous credit consumption from heartbeat polling

Expected behavior

Heartbeat should not consume significant credits when agent has no scheduled tasks or when HEARTBEAT.md indicates nothing to do.

Actual behavior

Approximately 2,500 credits consumed daily while completely idle. HEARTBEAT.md was explicitly set to PAUSED but polling continued regardless.OpenClaw version: 2026.3.13 (61d171a)

Operating system: Ubuntu (Genspark-hosted VM)

Install method: Genspark hosted VM (pre-installed)

Model: genspark-llm-proxy/claude-sonnet-4-6

Provider/routing chain: openclaw → genspark-llm-proxy → claude-sonnet-4-6

OpenClaw version

2026.3.13 (61d171a)

Operating system

Ubuntu 22.04 (Genspark-hosted VM)

Install method

Genspark hosted VM (pre-installed)

Model

genspark-llm-proxy/claude-sonnet-4-6

Provider / routing chain

openclaw → genspark-llm-proxy → claude-sonnet-4-6

Additional provider/model setup details

No response

Logs, screenshots, and evidence

Impact and severity

Single user affected. High financial impact — ~2,500 credits/day × ~49 days = ~122,500 credits burned while idle. Default setting is not documented prominently durin

Additional information

Default heartbeat config (every: 30m) was not surfaced during onboarding. Attempts to change via openclaw.json were overwritten on gateway restarts. Fix applied: openclaw config set 'agents.list[0].heartbeat.every' "0m" plus emptied HEARTBEAT.md. Suggest: document default heartbeat cost in onboarding, add UI toggle to disable, ensure config persists across restart

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FAQ

Expected behavior

Heartbeat should not consume significant credits when agent has no scheduled tasks or when HEARTBEAT.md indicates nothing to do.

#autograd error#model save/load#optimization#mixed precision#training loop

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openclaw - 💡(How to fix) Fix [Bug]: Default 30m heartbeat burns ~2,500 credits/day when agent is completely idle