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Prompt Alchemist · USP

Agentic Periodic Table

35 design patterns. Two axes. One map.

Every agentic system is built from composable primitives. This table organises 35 patterns along two axes — function (what job the pattern does) and autonomy level (how much human oversight it requires) — so you can read a pattern's properties from its position, not just its name.

X-axis — Function (7 groups)

  • Perception
  • Reasoning
  • Memory
  • Action
  • Coordination
  • Evaluation
  • Governance

Y-axis — Autonomy level (5 periods)

  1. P1 Directed — Human writes every step
  2. P2 Guided — Human sets goal, agent plans
  3. P3 Supervised — Agent runs, human reviews output
  4. P4 Monitored — Agent runs, human watches for anomalies
  5. P5 Autonomous — Agent self-directs and self-corrects
P1 · Directed
1

Pr

Prompt Engineering

2

ZsF

Zero / Few-shot

3

Ctw

Context Window

4

Fn

Function Call

5

Sa

Solo Agent

6

Fv

Format Validation

7

Pg

Prompt Guardrails

P2 · Guided
8

Rag

RAG

9

CoT

Chain-of-Thought

10

Sp

Scratchpad

11

Tc

Tool Chaining

12

Sh

Sequential Handoff

13

Sc

Self-Critique

14

Cp

Checkpoint Approval

P3 · Supervised
15

Msr

Multi-source Retrieval

16

ToT

Tree-of-Thought / ReAct

17

Vs

Vector Store

18

Pt

Parallel Tool Exec.

19

Sw

Supervisor / Worker

20

Xc

Cross-agent Critique

21

Ie

Interrupt & Escalation

P4 · Monitored
22

As

Active Sensing

23

Ref

Reflection + Replan

24

Ep

Episodic Memory

25

Al

Autonomous Action Loop

26

Pp

Peer-to-Peer Network

27

Ae

Automated Eval Loop

28

Ob

Audit Trail / Observ.

P5 · Autonomous
29

Amb

Ambient Awareness

30

Mc

Meta-cognition

31

Pwm

Persistent World Model

32

Wax

World-affecting Exec.

33

Swm

Swarm Coordination

34

Sil

Self-improving Loop

35

Cal

Constitutional Alignment

How to read this table

Position predicts properties

Top-left cells are the safest, most human-controlled primitives. Bottom-right cells are the most autonomous and hardest to govern. Reading diagonally tells you how risk scales.

Same row — same trust level

Patterns in the same period operate at the same autonomy level. They compose naturally with one another — a P2 reasoning pattern pairs well with a P2 memory pattern.

Same column — same job

Patterns in the same group do the same functional job at different autonomy levels. You can swap a P1 pattern for a P3 one as you scale up trust in the system.

Molecules are real systems

Any real agent product is a molecule: a combination of patterns across groups and periods. A coding agent, for instance, is typically P3/Rsn + P3/Act + P2/Evl working in concert.

The table is a statement

Unlike the physical periodic table, this one reflects a proposed taxonomy. Positions encode opinion — and they invite debate. Use it as a thinking tool, not a fixed truth.

Hover any cell for detail

Each cell shows the pattern symbol and name at a glance. Hover to see the full description and how the pattern relates to the axes it sits on.