create-glyph
About
The `create-glyph` skill generates R-based pictogram icons for visualization layers using ggplot2 and a primitives library. It handles the full workflow from concept and color strategy to registration, pipeline rendering, and verification of the neon-glow output. Use it when adding new entities, replacing existing glyphs, or batch-creating icons for a new domain in the force-graph visualization.
Quick Install
Claude Code
Recommendednpx skills add pjt222/agent-almanac -a claude-code/plugin add https://github.com/pjt222/agent-almanacgit clone https://github.com/pjt222/agent-almanac.git ~/.claude/skills/create-glyphCopy and paste this command in Claude Code to install this skill
Documentation
Create Glyph
Make R-based pictogram glyphs for skill, agent, or team icons in viz/ visualization layer. Each glyph is pure-ggplot2 function. Draws recognizable shape on 100x100 canvas. Rendered with neon glow to transparent-background WebP.
When Use
- New skill, agent, or team added. Needs visual icon
- Existing glyph needs replacement or redesign
- Batch-creating glyphs for new skills domain
- Prototyping visual metaphors for entity concepts
Inputs
- Required: Entity type —
skill,agent, orteam - Required: Entity ID (e.g.,
create-glyph,mystic,r-package-review) and domain (for skills) - Required: Visual concept — what glyph should depict
- Optional: Reference glyph to study for complexity level
- Optional: Custom
--glow-sigmavalue (default: 4)
Steps
Step 1: Concept — Design the Visual Metaphor
Identify entity being iconified. Pick visual metaphor.
- Read entity's source file. Understand core concept:
- Skills:
skills/<id>/SKILL.md - Agents:
agents/<id>.md - Teams:
teams/<id>.md
- Skills:
- Pick metaphor type:
- Literal object: flask for experiments, shield for security
- Abstract symbol: arrows for merging, spirals for iteration
- Composite: combine 2-3 simple shapes (e.g., document + pen)
- Reference existing glyphs for complexity calibration:
Complexity Tiers:
+----------+--------+-------------------------------------------+
| Tier | Layers | Examples |
+----------+--------+-------------------------------------------+
| Simple | 2 | glyph_flame, glyph_heartbeat |
| Moderate | 3-5 | glyph_document, glyph_experiment_flask |
| Complex | 6+ | glyph_ship_wheel, glyph_bridge_cpp |
+----------+--------+-------------------------------------------+
- Pick function name:
glyph_<descriptive_name>(snake_case, unique)
Got: Clear mental sketch of shape with 2-6 planned layers.
If fail: Concept too abstract? Fall back to related concrete object. Review existing glyphs in same domain for inspiration.
Step 2: Compose — Write the Glyph Function
Write R function producing ggplot2 layers.
-
Function signature (immutable contract):
glyph_<name> <- function(cx, cy, s, col, bright) { # cx, cy = center coordinates (50, 50 on 100x100 canvas) # s = scale factor (1.0 = fill ~70% of canvas) # col = domain color hex (e.g., "#ff88dd" for design) # bright = brightened variant of col (auto-computed by renderer) # Returns: list() of ggplot2 layers } -
Apply scale factor
* sto ALL dimensions for consistent scaling:r <- 20 * s # radius hw <- 15 * s # half-width lw <- .lw(s) # line width (default base 2.5) lw_thin <- .lw(s, 1.2) # thinner line width -
Build geometry using available primitives:
Geometry Usage ggplot2::geom_polygon(data, .aes(x, y), ...)Filled shapes ggplot2::geom_path(data, .aes(x, y), ...)Open lines/curves ggplot2::geom_segment(data, .aes(x, xend, y, yend), ...)Line segments, arrows ggplot2::geom_rect(data, .aes(xmin, xmax, ymin, ymax), ...)Rectangles ggforce::geom_circle(data, .aes(x0, y0, r), ...)Circles -
Apply color strategy:
Alpha Guide: +----------------------+------------+--------------------------+ | Purpose | Alpha | Example | +----------------------+------------+--------------------------+ | Large fill (body) | 0.08-0.15 | hex_with_alpha(col, 0.1) | | Medium fill (accent) | 0.15-0.25 | hex_with_alpha(col, 0.2) | | Small fill (detail) | 0.25-0.35 | hex_with_alpha(bright, 0.3) | | Outline stroke | 1.0 | color = bright | | Secondary stroke | 1.0 | color = col | | No fill | --- | fill = NA | +----------------------+------------+--------------------------+ -
Return flat
list()of layers. Renderer iterates and wraps each with glow. -
Place function in right primitives file by entity type:
- Skills: domain-grouped across 19 primitives files:
primitives.R— bushcraft, compliance, containerization, data-serialization, defensiveprimitives_2.R— devops, general, git, mcp-integrationprimitives_3.R— mlops, observability, PM, r-packages, reporting, review, web-dev, esoteric, design- More
primitives_4.Rthroughprimitives_19.Rfor newer domains
- Agents:
viz/R/agent_primitives.R - Teams:
viz/R/team_primitives.R
- Skills: domain-grouped across 19 primitives files:
Got: Working R function returning list of 2-6 ggplot2 layers.
If fail: ggforce::geom_circle errors? Confirm ggforce installed. Coords off? Canvas is 100x100 with (0,0) at bottom-left. Test function interactively:
source("viz/R/utils.R"); source("viz/R/primitives.R") # etc.
layers <- glyph_<name>(50, 50, 1.0, "#ff88dd", "#ffa8f0")
p <- ggplot2::ggplot() + ggplot2::coord_fixed(xlim=c(0,100), ylim=c(0,100)) +
ggplot2::theme_void()
for (l in layers) p <- p + l
print(p)
Step 3: Register — Map Entity to Glyph
Add entity-to-glyph mapping in right glyph mapping file.
For skills:
- Open
viz/R/glyphs.R - Find comment section for target domain (e.g.,
# -- design (3)) - Add entry in alphabetical order within domain block:
"skill-id" = "glyph_function_name", - Update domain count in comment if applicable
For agents:
- Open
viz/R/agent_glyphs.R - Find alphabetical position in
AGENT_GLYPHS - Add entry:
"agent-id" = "glyph_function_name",
For teams:
-
Open
viz/R/team_glyphs.R -
Find alphabetical position in
TEAM_GLYPHS -
Add entry:
"team-id" = "glyph_function_name", -
Verify no duplicate ID exists in target list
Got: Right *_GLYPHS list has new mapping.
If fail: Build later reports "No glyph mapped"? Double-check entity ID exactly matches one in manifest and registry.
Step 4: Manifest — Add Icon Entry
Register icon in right manifest file.
For skills: viz/data/icon-manifest.json
{
"skillId": "skill-id",
"domain": "domain-name",
"prompt": "<domain basePrompt>, <descriptors>, dark background, vector art",
"seed": <next_seed>,
"path": "public/icons/cyberpunk/<domain>/<skill-id>.webp",
"status": "pending"
}
For agents: viz/data/agent-icon-manifest.json
{
"agentId": "agent-id",
"prompt": "<agent-specific descriptors>, dark background, vector art",
"seed": <next_seed>,
"path": "public/icons/cyberpunk/agents/<agent-id>.webp",
"status": "pending"
}
For teams: viz/data/team-icon-manifest.json
{
"teamId": "team-id",
"prompt": "<team-specific descriptors>, dark background, vector art",
"seed": <next_seed>,
"path": "public/icons/cyberpunk/teams/<team-id>.webp",
"status": "pending"
}
Got: Valid JSON with new entry placed among type siblings.
If fail: Validate JSON syntax. Common mistakes: trailing comma after last array element, missing quotes.
Step 5: Render — Generate the Icon
Run icon pipeline to render new glyph. Always use build.sh as entry point — it handles platform detection and R binary selection. See render-icon-pipeline for full flag reference and pipeline architecture.
# From project root — renders all palettes, standard + HD, skips existing icons
bash viz/build.sh --only <domain> --skip-existing # skills
bash viz/build.sh --type agent --only <id> --skip-existing # agents
bash viz/build.sh --type team --only <id> --skip-existing # teams
# Dry run first:
bash viz/build.sh --only <domain> --dry-run
build.sh runs full pipeline (palette → data → manifest → render → terminal glyphs). Non-render steps add ~10 seconds but keep all data current.
Output locations:
- Skills:
viz/public/icons/<palette>/<domain>/<skill-id>.webp - Agents:
viz/public/icons/<palette>/agents/<agent-id>.webp - Teams:
viz/public/icons/<palette>/teams/<team-id>.webp
Got: Log shows OK: <entity> (seed=XXXXX, XX.XKB). WebP file exists.
If fail:
"No glyph mapped"— Step 3 mapping missing or typo"Unknown domain"— Domain not inget_palette_colors()inpalettes.R- R package errors — Run
install.packages(c("ggplot2", "ggforce", "ggfx", "ragg", "magick"))first - Rendering crashes? Test glyph function interactively (see Step 2 fallback)
Step 6: Verify — Visual Inspection
Check rendered output meets quality standards.
-
Verify file exists and has reasonable size:
ls -la viz/public/icons/cyberpunk/<type-path>/<entity-id>.webp # Expected: 15-80 KB typical range -
Open WebP in image viewer. Check:
- Shape reads clearly at full size (1024x1024)
- Neon glow present but not overpowering
- Background transparent (no black/white rectangle)
- No clipping at canvas edges
-
Check at small sizes (icon renders at ~40-160px in force graph):
- Shape stays recognizable
- Detail does not turn to noise
- Glow does not overwhelm shape
Got: Clear, recognizable pictogram with even neon glow on transparent background.
If fail:
- Glow too strong: re-render with
--glow-sigma 2(default is 4) - Glow too weak: re-render with
--glow-sigma 8 - Shape unreadable small? Simplify glyph (fewer layers, bolder strokes, bump
.lw(s, base)base value) - Clipping at edges? Shrink shape dimensions or shift center
Step 7: Iterate — Refine if Needed
Adjust and re-render.
-
Common adjustments:
- Bolder strokes: bump
.lw(s, base)— trybase = 3.0or3.5 - More visible fill: bump alpha from 0.10 to 0.15-0.20
- Shape proportions: tune multipliers on
s(e.g.,20 * s->24 * s) - Add/remove detail layers: keep total layers 2-6 for best results
- Bolder strokes: bump
-
Re-render after changes:
# Delete the existing icon first, then re-render rm viz/public/icons/cyberpunk/<type-path>/<entity-id>.webp # Use the appropriate build command from Step 5 -
Satisfied? Verify manifest status shows
"done". Build script updates it on success.
Got: Final icon passes all verification checks from Step 6.
If fail: After 3+ iterations glyph still reads poorly? Consider completely different visual metaphor (back to Step 1).
Reference
Domain and Entity Color Palettes
All 58 domain colors (for skills) in viz/R/palettes.R (single source of truth). Agent and team colors also in palettes.R. Cyberpunk palette (hand-tuned neon colors) in get_cyberpunk_colors(). Viridis-family palettes auto-generated via viridisLite.
Look up color:
source("viz/R/palettes.R")
get_palette_colors("cyberpunk")$domains[["design"]] # skill domain
get_palette_colors("cyberpunk")$agents[["mystic"]] # agent
get_palette_colors("cyberpunk")$teams[["tending"]] # team
Adding new domain? Add to three places in palettes.R:
PALETTE_DOMAIN_ORDER(alphabetical)get_cyberpunk_colors()domains list- Run
bash viz/build.shto regenerate palettes, data, manifests
Glyph Function Catalog
See full catalog of available glyph functions in primitives source files:
- Skills:
viz/R/primitives.Rthroughviz/R/primitives_19.R(domain-grouped) - Agents:
viz/R/agent_primitives.R - Teams:
viz/R/team_primitives.R
Helper Functions
| Function | Signature | Purpose |
|---|---|---|
.lw(s, base) | (scale, base=2.5) | Scale-aware line width |
.aes(...) | alias for ggplot2::aes | Shorthand aesthetic mapping |
hex_with_alpha(hex, alpha) | (string, 0-1) | Add alpha to hex color |
brighten_hex(hex, factor) | (string, factor=1.3) | Brighten a hex color |
dim_hex(hex, factor) | (string, factor=0.4) | Dim a hex color |
Checks
- Glyph function follows
glyph_<name>(cx, cy, s, col, bright) -> list()signature - All dimensions use
* sscaling factor - Color strategy uses
colfor fills,brightfor outlines,hex_with_alpha()for transparency - Function placed in right primitives file for entity type and domain
- Glyph mapping entry added in right
*_glyphs.Rfile - Manifest entry added with right entity ID, path,
"status": "pending" - Build command runs without error (dry-run first)
- Rendered WebP exists at expected path
- File size in expected range (15-80 KB)
- Icon reads clearly at both 1024px and ~40px display sizes
- Transparent background (no solid rectangle behind glyph)
- Manifest status updated to
"done"after successful render
Pitfalls
- Forgetting
* s: Hard-coded pixel values break when scale changes. Always multiply bys. - Canvas origin confusion: (0,0) is bottom-left, not top-left. Higher
yvalues move UP. - Double glow: Renderer already applies
ggfx::with_outer_glow()to every layer. Do NOT add glow inside glyph function. - Too many layers: Each layer gets individual glow wrapping. More than 8 layers → slow rendering, noisy visuals.
- Mismatched IDs: Entity ID in glyph mapping, manifest, registry must all match exactly.
- JSON trailing commas: Manifest is strict JSON. No trailing comma after last array element.
- Missing domain color: Domain not in
get_cyberpunk_colors()inpalettes.R? Rendering errors. Add color first, then regenerate. - Wrong primitives file: Skills in domain-grouped
primitives*.R, agents inagent_primitives.R, teams inteam_primitives.R.
See Also
enhance-glyph— improve existing glyph's visual quality, fix rendering issues, add detail layersaudit-icon-pipeline— detect missing glyphs and icons, know what needs creatingrender-icon-pipeline— run full rendering pipeline end-to-endornament-style-mono— complementary AI-based image generation (Z-Image vs R-coded glyphs)ornament-style-color— color theory for glyph accent fill decisionscreate-skill— parent workflow triggering glyph creation when adding new skills
GitHub Repository
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