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- cybernetic thinking
Works with the AI Agents you already use
cybernetic thinking
Transform your AI agent into a control-theoretic engineer for robust systems design and debugging.
$5
cybernetic thinking
Example session with this skill installed
I have a background worker that keeps crashing under high memory load. I've tried increasing the heap size but it just crashes later. Help me fix this using cybernetic principles.
- Read your context and instructions
- Compiled the cybernetic thinking
I will analyze this memory crash as a control-theoretic problem. We are seeing a system where the state variable (memory usage) is diverging, indicating an unstable loop or an unbounded actuator.
Control Plan: Worker Memory Stability
| Component | Definition |
|---|---|
| Controlled Variable (x) | Resident Set Size (RSS) memory usage of the worker process. |
| Control Variable (u) | Ingestion rate, batch size, and buffer limits. |
| Possibility Space | {Memory leak in long-lived objects, Unbounded input queue, Large batch processing, Fragmented heap}. |
| Observability | Process memory metrics (RSS/VMS) and queue depth telemetry. |
| Bounds | Hard limit at 80% of container memory; max batch size = 500 records. |
Analysis & Model
Current hypothesis: The system is an open-loop controller with no feedback on ingestion rate. As load increases, the "actuator" (ingestion) saturates the "plant" (heap), leading to catastrophe (OOM kill). Increasing heap size merely delayed the bifurcation point rather than stabilizing the trajectory.
Proposed Synthesis (Minimal Control)
- Add Sensor: Implement a memory-pressure check at the start of the ingestion loop.
- Stabilize: If RSS > 70%, pause ingestion (backpressure). This adds a negative feedback loop to the system.
- Clamp Actuator: Hard-code a maximum batch size that fits in 10% of total heap.
Close the Loop: Deploy with high-frequency logging of memory vs. queue depth to verify the trajectory stays bounded under peak load.
Next steps
- Provide the ingestion loop code to insert the memory pressure sensor.
- Set up a load test to observe if the worker now throttles instead of crashing.
- Inspect long-lived objects if memory does not return to baseline after throttling.
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About this skill
Standard coding agents often default to the smallest patch possible, ignoring how changes ripple through a complex system. This leads to regression loops, retry storms, and fragile architectures that break under load. This skill installs a systems-theoretic cognitive operating system into your agent, reframing every task as a control problem. It moves the AI away from "guess and check" toward identifying state spaces, modeling black boxes, and ensuring stability before optimization.
What it does
- System Identification defines controlled variables, actuators, and the possibility space before touching a single line of code.
- Observability Enforcement requires the agent to verify it can measure a failure mode through logs or tests before attempting a fix.
- Stability Analysis prioritizes convergence and bounding over clever features, preventing runaway loops and resource exhaustion.
- Closed-loop Debugging implements an iterative workflow where every change is treated as a falsifiable hypothesis with measured feedback.
- Constraint Management ensures all logic respects physical and logical bounds like memory, depth, and rate limits.
How it works
- Initialize the control-theoretic framework by loading the core laws into the session context.
- Identify the plant and variables for any non-trivial task using the provided planning templates.
- Analyze the system behavior to locate the fault, stating a mental model that can be proven wrong by observation.
- Stabilize the system by applying minimal control changes to stop divergence or leaks.
- Close the Loop by measuring results via sensors and correcting until the deviation is bounded.
Frameworks & tools
This skill is language and framework agnostic. It applies to web services, data pipelines, compiler passes, and distributed systems. It works within any LLM environment including Claude Code, Cursor, and custom agent loops.
Why this beats prompting it yourself
Generic prompts fail to account for the mathematical reality of feedback loops and system coupling. This skill provides a formal grounding in engineering cybernetics, preventing the AI from "cranking the gain" on delayed loops or proposing optimizations that introduce instability.
Use cases
- Refactoring highly coupled legacy modules where side effects are hard to track.
- Debugging non-deterministic race conditions or intermittent API failures.
- Designing distributed architectures that must survive network partitions.
- Hardening LLM agent loops against infinite recursions or tool-call cycles.
Known limitations
This is a thinking scaffold, not a code library. It requires the developer to provide the initial system context and access to observability tools like logs or test runners to close the loop.
How to use
Skills on Agensi run inside your AI agent. Copy the prompt, paste it into your agent, and it connects to Agensi and installs this skill for you. If a payment is needed, your agent shows it to you first.
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