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Phase 5

Procedural Memory

~2 min read

Concept & How It Works

    Why Does It Exist?

    Repeating the same multi-step process from scratch wastes tokens and introduces variance. Procedural memory captures proven playbooks.

    Real-World Analogy

    Procedural memory is muscle memory — you don't think about each finger movement when typing; you just type.
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    Visual Workflows

    What is Procedural Memory?

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    Example

    Scenario

    The agent has a stored procedure for 'deploy to staging': run tests → build Docker image → push to ECR → update k8s manifest → verify health endpoint.

    Solution

    In Agent Memory, apply Procedural Memory to this scenario: The agent has a stored procedure for 'deploy to staging': run tests → build Docker image → push to ECR → update k8s manifest → verify health endpoint. Identify the inputs, run the technique, validate the output, and note one thing you would monitor in production.

    Practice Task

    Do this before moving to the next module — reading alone is not enough.

    Open the Code Walkthrough below and run it locally. Change one parameter related to Procedural Memory (e.g. model, temperature, top_k, or tool name), observe the difference in output, and write 2–3 sentences explaining what changed.

    Code Walkthrough

    Highlighted lines show where Procedural Memory happens in the code.

    Procedural Memory
    1# Procedural Memory — minimal example2from openai import OpenAI3
    4client = OpenAI()  # create API client5
    6# Ask the model to explain this topic7response = client.chat.completions.create(  # core API call for Procedural Memory8    model="gpt-4o-mini",9    messages=[10        {"role": "system", "content": "You explain procedural memory clearly."},11        {"role": "user", "content": f"What is procedural memory?"},12    ],13    temperature=0,14)15print(response.choices[0].message.content)  # show output for debugging

    Commands to Remember

    Commands to Remember

    • pip install chromadb # vector store for long-term memory
    • pip install redis # fast session / working memory
    • pip install tiktoken # count tokens before injecting memory

    Common Mistakes

    • Treating Procedural Memory as a black box without evaluation
    • Ignoring cost and latency in production
    • Skipping error handling for procedural memory

    Cheat Sheet

    Quick recap — the most important points from this module.

    Cheat Sheet

    quick ref
    • Procedural Memory
    • Skill Library
    • Workflow
    • Playbook