Settlement Design
Design cities, towns, and settlements for fictional worlds. Use when creating urban environments, mapping city districts, or when settlements need realistic layered development and spatial logic.
Specification
- Skill ID
- jwynia/agent-skills/settlement-design
- Publisher
- jwynia
- Repository
- agent-skills
- Installs
- 0
- Files
- 1
- License
- MIT
- Synced
- Sep 23, 2026
How to use it
Open any RiverX project, open the Skills panel in the chat, and search for this identifier. The files are fetched from the source repository at install time.
jwynia/agent-skills/settlement-designInstalls these files- SKILL.md
What this skill tells the agent
Settlement Design: Urban Development Skill
You help writers create realistic settlements by applying the ten core principles that govern how real cities and towns form, grow, and evolve. This produces urban environments that feel lived-in rather than designed-for-plot.
Core Principles
- Geographic Determinism: Natural features profoundly shape settlement patterns and growth
- Functional Necessity: Settlements develop to fulfill specific economic, defensive, or social needs
- Network Emergence: Settlements exist within interconnected systems, not isolation
- Layered Development: Urban spaces evolve through accretion rather than comprehensive planning
- Power Projection: Settlement design reflects and reinforces social and political hierarchies
- Resource Constraint: Available materials and technologies limit construction possibilities
- Cultural Expression: Built environments embody cultural values and social organization
- Adaptive Reuse: Structures and spaces are repurposed as needs change over time
- Disaster Response: Settlements evolve in reaction to catastrophes
- Spatial Stratification: Social hierarchies manifest in physical organization of space
The Ten Parameter Categories
1. Site Selection Parameters
| Parameter | Options to Consider |
|---|---|
| Water Access | Rivers, lakes, coastlines, springs, wells |
| Defensive Position | Elevation, natural barriers, visibility |
| Resource Proximity | Mines, timber, fertile soil, wildlife |
| Trade Route Placement | Crossroads, harbors, mountain passes |
| Climate Suitability | Temperature, rainfall, seasonal patterns |
| Spiritual Significance | Sacred sites, astronomical alignments |
2. Morphological Parameters
| Parameter | Options to Consider |
|---|---|
| Street Pattern | Grid, radial, organic, hierarchical |
| Density Gradient | Concentrated to dispersed population |
| Boundary Definition | Walls, natural features, markers |
| Building Typology | Predominant architectural forms |
| Open Space Distribution | Plazas, parks, markets, fields |
| Vertical Development | Height variation and skyline |
3. Functional Parameters
| Parameter | Options to Consider |
|---|---|
| Economic Base | Agricultural, industrial, commercial, administrative |
| Defense Systems | Fortifications, surveillance, escape routes |
| Civic Organization | Governance spaces and structures |
| Social Infrastructure | Meeting places, recreational areas |
| Religious Facilities | Temples, shrines, ceremonial spaces |
| Knowledge Centers | Schools, libraries, universities |
4. Infrastructure Parameters
| Parameter | Options to Consider |
|---|---|
| Water Management | Supply, drainage, waste disposal |
| Transportation Network | Roads, bridges, canals, ports |
| Food Storage/Distribution | Granaries, markets, warehouses |
| Energy Systems | Fuel sources, power distribution |
| Waste Management | Disposal, recycling, sanitation |
| Communication Infrastructure | Message systems, signals |
5. Socio-Spatial Parameters
| Parameter | Options to Consider |
|---|---|
| Elite Spaces | High-status residential and ceremonial areas |
| Common Quarters | Everyday residential areas |
| Marginalized Zones | Low-status or excluded populations |
| Transitional Spaces | Areas between different social domains |
| Contested Territories | Disputed or ambiguous ownership |
| Ethnoreligious Districts | Cultural/religious group clustering |
6. Symbolic Parameters
| Parameter | Options to Consider |
|---|---|
| Monumental Expression | Power and identity representations |
| Ritual Pathways | Procession routes and ceremonial ways |
| Collective Memory Sites | Historical event markers |
| Identity Boundaries | Cultural and social group divisions |
| Cosmic Alignment | Astronomical and religious orientations |
| Status Signification | Social rank indication through space |
Settlement Typologies
By Primary Function
| Type | Characteristics |
|---|---|
| Market Settlement | Trade-focused community |
| Administrative Center | Governance-oriented city |
| Religious Complex | Faith-centered settlement |
| Military Outpost | Defense-focused installation |
| Production Center | Manufacturing/resource extraction |
| Agricultural Community | Farming-based settlement |
| Transport Hub | Movement-facilitating location |
| Knowledge Center | Education/research community |
By Morphological Pattern
| Type | Characteristics |
|---|---|
| Planned Grid | Regular, organized street network |
| Concentric Settlement | Rings around central point |
| Linear Development | Elongated along path/feature |
| Organic Cluster | Irregular, emergent organization |
| Radial Pattern | Streets extending from central hub |
| Composite Structure | Multiple morphological sections |
| Dispersed Settlement | Scattered buildings without center |
| Nucleated Village | Tightly clustered around focal point |
By Geographic Setting
| Type | Characteristics |
|---|---|
| River Settlement | Waterway-oriented community |
| Coastal Port | Sea-facing trade center |
| Hill Town | Elevated defensive position |
| Valley Community | Nestled between heights |
| Plains Settlement | Flat terrain development |
| Mountain Outpost | High-altitude location |
| Island Development | Water-surrounded community |
| Desert Oasis | Arid region water-centered |
By Scale and Complexity
| Type | Population Range |
|---|---|
| Isolated Homestead | Single family/small group |
| Hamlet | Small cluster, no specialization |
| Village | Basic community, simple division of labor |
| Town | Medium settlement, some specialization |
| City | Large settlement, complex organization |
| Metropolis | Major urban center, regional dominance |
| Megalopolis | Interconnected urban region |
| Imperial Capital | Political/cultural center of empire |
Development Patterns
Settlement Evolution Sequences
- Camp → Hamlet → Village → Town → City → Metropolis
- Military Outpost → Frontier Settlement → Regional Center → Capital
- Religious Shrine → Pilgrimage Site → Temple Complex → Holy City
- Trading Post → Market Town → Commercial Center → Trade Metropolis
- Mining Camp → Industrial Town → Manufacturing City
- Fishing Settlement → Port Town → Maritime Hub → Naval Center
Spatial Growth Patterns
| Pattern | Description |
|---|---|
| Concentric Expansion | Growth in rings around original settlement |
| Axial Development | Expansion along transportation corridors |
| Leap-frog Growth | Discontinuous development with gaps |
| Infill Densification | Filling empty spaces within existing areas |
| Satellite Formation | Secondary settlements around primary center |
| Linear Extension | Growth along single axis |
| Cellular Accretion | Addition of whole neighborhoods/districts |
| Polycentric Evolution | Multiple growing centers merging |
Crisis and Adaptation Cycles
| Crisis | Response Pattern |
|---|---|
| Fire Destruction | Rebuilding with fire prevention |
| Flood Damage | Elevated construction, flood control |
| Disease Outbreak | Sanitation improvement |
| Siege/Invasion | Enhanced fortification |
| Resource Depletion | Economic diversification |
| Overcrowding | Peripheral expansion, vertical growth |
| Political Collapse | Fragmentation, repurposing |
Setting-Specific Adaptations
More from jwynia
Use this skill in a project
Open any RiverX project, search the Skills panel for jwynia/agent-skills/settlement-design, and install it in one click.