chart_svg
Render a chart to a standalone SVG (plus base64 data URI) for reports, dashboards, emails and agent answers: bar, horizontal bar, stacked bar, line, area, scatter, pie and donut. Multiple series with legend, "nice" axis ticks, compact number labels (1.2k, 3.4M), optional value labels, gaps for nu...
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What chart_svg does on ScorpTech x402 API
AI agents call chart_svg to retrieve information from ScorpTech x402 API without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
type | string | — | |
yMax | number | — | |
yMin | number | — | |
theme | string | — | |
title | string | — | |
width | integer | — | |
colors | array | — | |
height | integer | — | |
labels | array | — | Category labels (x axis / slices) |
legend | boolean | — | Default: on when there are several series (or for pie / donut) |
series | array | Yes | [{name, values: [numbers | null], color?}]; scatter values are [x, y] pairs. A plain array of numbers is one series. |
xLabel | string | — |
Parameters from the server's own tool schema.
Why chart_svg is rated Low
Even though chart_svg only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Risk signalsHigh parameter count (14 properties)
Attacks that exploit this kind of access
The rule that runs chart_svg safely
PolicyLayer is an MCP gateway: it sits between your AI agents and ScorpTech x402 API, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For chart_svg, this is the rule to start with:
chart_svg is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect ScorpTech x402 API, apply this rule, and every chart_svg call is checked against it from then on.
Questions about chart_svg
Render a chart to a standalone SVG (plus base64 data URI) for reports, dashboards, emails and agent answers: bar, horizontal bar, stacked bar, line, area, scatter, pie and donut. Multiple series with legend, "nice" axis ticks, compact number labels (1.2k, 3.4M), optional value labels, gaps for null values, rotated category labels when crowded, light / dark theme, custom colours and size. Accessible (title + aria-label). Price: $0.003 USDC per successful call (x402, Solana). Same tool over HTTPS: POST https://scorptech.it.com/api/x402/v1/chart-svg. It is categorised as a Read tool in the ScorpTech x402 API MCP Server, which means it retrieves data without modifying state.
chart_svg accepts 12 parameters: type, yMax, yMin, theme, title, width, colors, height, labels, legend, series, xLabel. Required: series. The full parameter table on this page comes from the server's own tool schema.
Register the ScorpTech x402 API MCP server in PolicyLayer and add a rule for chart_svg: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches ScorpTech x402 API. Nothing to install.
chart_svg is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the chart_svg rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for chart_svg. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
chart_svg is provided by the ScorpTech x402 API MCP server (https://scorptech.it.com/api/x402/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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