TimesFM Forecasting
google-research/timesfm
Forecasts any univariate time series zero-shot with Google's TimesFM model, returning point forecasts and calibrated prediction intervals without training.
A skill your agent uses when asked to implement a chart, select a visualization type, or build a data display component.
Install Prism Chart
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill prism-chart -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace prism-chart --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/ai-agency/tonone/skills/prism-chart .claude/skills/prism-chart && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "prism-chart" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/plugins/ai-agency/tonone/skills/prism-chart into .claude/skills/prism-chart/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "prism-chart", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/plugins/ai-agency/tonone/skills/prism-chartType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill prism-chart -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace prism-chart --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .agents/skills && cp -r skills-src/plugins/ai-agency/tonone/skills/prism-chart .agents/skills/prism-chart && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "prism-chart" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/plugins/ai-agency/tonone/skills/prism-chart into .agents/skills/prism-chart/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "prism-chart", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill prism-chart -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace prism-chart --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/plugins/ai-agency/tonone/skills/prism-chart .cursor/skills/prism-chart && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "prism-chart" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/plugins/ai-agency/tonone/skills/prism-chart into .cursor/skills/prism-chart/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "prism-chart", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/jeremylongshore/tons-of-skills-marketplace.git --path plugins/ai-agency/tonone/skills/prism-chart--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill prism-chart -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace prism-chart --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/plugins/ai-agency/tonone/skills/prism-chart .gemini/skills/prism-chart && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "prism-chart" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/plugins/ai-agency/tonone/skills/prism-chart into .gemini/skills/prism-chart/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "prism-chart", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install jeremylongshore/tons-of-skills-marketplace prism-chartInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill prism-chart -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .github/skills && cp -r skills-src/plugins/ai-agency/tonone/skills/prism-chart .github/skills/prism-chart && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "prism-chart" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/plugins/ai-agency/tonone/skills/prism-chart into .github/skills/prism-chart/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "prism-chart", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill prism-chart -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace prism-chart --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/plugins/ai-agency/tonone/skills/prism-chart .opencode/skills/prism-chart && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "prism-chart" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/plugins/ai-agency/tonone/skills/prism-chart into .opencode/skills/prism-chart/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "prism-chart", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
prism-chart- GitHub stars
- 2.8k
- Token cost
- ~627 tokens
- SKILL.md length
- 164 words
- Files
- 2
- Skills in repo
- 3,342
- Repo updated
- First seen
- Licence
- MIT
At a glance
A skill your agent uses when asked to implement a chart, select a visualization type, or build a data display component.
- Works in 4 steps: Identify data type from user request… → Search chart knowledge base → Evaluate results for: data volume… → …
- Asked to implement a chart
- SKILL.md covers When to use, Workflow, Output format and Anti-patterns, plus 1 more section
- Calls python3
What it does
Prism Chart is an agent skill from jeremylongshore/tons-of-skills-marketplace. Use when asked to implement a chart, select a visualization type, or build a data display component. Examples: "implement chart for time series", "best visualization for comparison data", "chart component for analytics"
Its SKILL.md is about 630 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files (for example `.claude-plugin/plugin.json`).
It sits in Data & Analytics, covering Forecasting and time series. The repository describes itself as: Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com. The licence is MIT.
When your agent uses it
- Asked to implement a chart
- Select a visualization type
- Build a data display component
Example prompts
- “implement chart for time series”
- “best visualization for comparison data”
- “chart component for analytics”
- “/prism-chart”
Requirements
- Python 3
- Pre-approved tools (allowed-tools): Read, Bash, Glob, Grep
Workflow steps
4 steps, taken from the first numbered list in SKILL.md.
- Identify data type from user request (time series, comparison, distribution, composition, relationship, etc.)
- Search chart knowledge base
- Evaluate results for: data volume threshold, accessibility grade, interaction level
- Output recommendation with library choice and accessibility fallback
What it can do on your machine
Read from SKILL.md and the folder at commit cfae287. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves these tools, so the agent can use them without asking each time:
ReadBashGlobGrep
From allowed-tools in the SKILL.md frontmatter.
Runs code
Shell commands in SKILL.md call:
python3
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Prism Chart loads about 627 tokens when it runs. Until then it costs about 58 tokens; SKILL.md has 164 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check: notes
The automated check noted patterns worth knowing about, such as sudo or a known installer.
- NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
allowed-tools: Read, Bash, Glob, Grep
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from jeremylongshore/tons-of-skills-marketplace at commit cfae287, republished under its MIT licence (© jeremylongshore). 164 words, ~627 tokens.
Download SKILL.mdSave it as
.claude/skills/prism-chart/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.- name
- prism-chart
- description
- Use when asked to implement a chart, select a visualization type, or build a data display component. Examples: "implement chart for time series", "best visualization for comparison data", "chart component for analytics"
- allowed-tools
- Read, Bash, Glob, Grep
- version
- 0.6.6
- author
- tonone-ai <hello@tonone.ai>
- license
- MIT
prism-chart — Chart & Visualization Selection
Follow the output format defined in docs/output-kit.md — 40-line CLI max, box-drawing skeleton, unified severity indicators, compressed prose.
When to use
User needs a chart implementation, visualization type recommendation, or data display component.
Workflow
- Identify data type from user request (time series, comparison, distribution, composition, relationship, etc.)
- Search chart knowledge base:
bash python3 -m prism_agent.uiux search --domain chart --query "{data_type}" --limit 3 - Evaluate results for: data volume threshold, accessibility grade, interaction level
- Output recommendation with library choice and accessibility fallback
Output format
┌─ Chart Recommendation — {data_type} ────────────────────────────────┐
│ Chart type: {chart_type} │
│ Library: {library} (Chart.js / Recharts / D3 / Plotly) │
│ Accessibility: {grade} (AA / A / Below AA) │
│ Interaction level: {level} (static / hover / drill-down) │
│ Data volume: {threshold} (max recommended data points) │
├─ Color guidance ────────────────────────────────────────────────────┤
│ {color_guidance} │
├─ Accessibility fallback ────────────────────────────────────────────┤
│ {fallback_description} │
└──────────────────────────────────────────────────────────────────────┘Anti-patterns
- Never ignore data volume threshold — recommend aggregation if data exceeds it
- Never skip accessibility fallback for charts graded below AA
- Never choose a chart type based on visual appeal over data clarity
- Never recommend a library without confirming it is compatible with the detected stack
Delivery
If output exceeds the 40-line CLI budget, invoke /atlas-report with the full findings. The HTML report is the output. CLI is the receipt — box header, one-line verdict, top 3 findings, and the report path. Never dump analysis to CLI.
© jeremylongshore, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 1 other file in plugins/ai-agency/tonone/skills/prism-chart of jeremylongshore/tons-of-skills-marketplace.
- SKILL.md
- .claude-plugin/plugin.json
Open the folder on GitHubat commit cfae287
Compare with similar skills
Prism Chart next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Prism Chart this skilljeremylongshore/tons-of-skills-marketplace | 2.8k | — | ~627 | Automated safety check: Notes | MIT | |
| TimesFM Forecastinggoogle-research/timesfm | 34k | — | ~4.7k | Automated safety check: Pass | Apache-2.0 | |
| StatsmodelszLanqing/codex-claude-academic-skills | 4.7k | 15 repos | ~4.9k | Automated safety check: Pass | BSD-3-Clause | |
| Timesfm ForecastingzLanqing/codex-claude-academic-skills | 4.7k | 3 repos | ~7.5k | Automated safety check: Notes | Apache-2.0 | |
| Find Hypertable Candidatestimescale/pg-aiguide | 1.9k | 1 repos | ~2.6k | Automated safety check: Pass | Apache-2.0 | |
| Pensieve Searcharkohut/pensieve | 1.4k | — | ~8.2k | Automated safety check: Pass | Apache-2.0 |
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Categories
Questions about Prism Chart
What does Prism Chart do?
A skill your agent uses when asked to implement a chart, select a visualization type, or build a data display component. Prism Chart is an agent skill from jeremylongshore/tons-of-skills-marketplace. Use when asked to implement a chart, select a visualization type, or build a data display component.
When should I use Prism Chart?
Prism Chart fits situations like: asked to implement a chart; select a visualization type; build a data display component.
How do I install Prism Chart in Claude Code?
Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill prism-chart -a claude-code`. Or copy the skill folder (plugins/ai-agency/tonone/skills/prism-chart in jeremylongshore/tons-of-skills-marketplace) into .claude/skills/prism-chart in your project. Claude Code loads it when a task matches its description.
How do I install Prism Chart in Codex?
Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill prism-chart -a codex`. Or copy the skill folder (plugins/ai-agency/tonone/skills/prism-chart in jeremylongshore/tons-of-skills-marketplace) into .agents/skills/prism-chart in your project. Codex loads it when a task matches its description.
Can I use Prism Chart in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill prism-chart -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/prism-chart, .gemini/skills/prism-chart, .github/skills/prism-chart and .opencode/skills/prism-chart in your project.
What does Prism Chart need to run?
Going by SKILL.md and its folder, Prism Chart needs the command-line tools its instructions call (python3). Our summary lists: Python 3. Its frontmatter pre-approves these tools: Read, Bash, Glob, Grep.
Does Prism Chart access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Prism Chart safe to install?
Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.
What licence does Prism Chart use?
Prism Chart is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Prism Chart use?
About 627 tokens (SKILL.md is roughly 2.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Prism Chart?
Skills that share tags, products or a category with Prism Chart: TimesFM Forecasting (google-research/timesfm, 34k stars), Statsmodels (zLanqing/codex-claude-academic-skills, 4.7k stars), Timesfm Forecasting (zLanqing/codex-claude-academic-skills, 4.7k stars) and Find Hypertable Candidates (timescale/pg-aiguide, 1.9k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Prism Chart?
jeremylongshore (a GitHub user) maintains it in jeremylongshore/tons-of-skills-marketplace, which has 2,827 GitHub stars. The repository holds 3,342 skills in this directory. The repository was last updated on October 10, 2026.
Source: jeremylongshore/tons-of-skills-marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.