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io.github.mortenator/charta

NPM · @CHARTA/MCP · SCANNED AUG 3

Generate beautiful, presentation-ready charts (SVG + PNG). Supports 14+ chart types.

Available components

+17 this week 57 Trust /100
Trust breakdown (6 categories)

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. How we score →

Supply Chain Security70
  • No malware found by supply-chain analysis.Pass
  • CVE check failed: a known high-severity CVE affects sharp 0.33.5, a direct dependency. A fixed version is available. View diagnostics → Fail
  • No install/post-install scripts declared.Pass
  • Only part of the dependency tree could be resolved (125 of 129), so this covers what we could see, not the whole tree. View diagnostics → Partial
Provenance & Transparency19
  • Repository check failed: the declared repository URL returned HTTP 404. See how to fix → View diagnostics → Fail
  • Provenance check failed: no build-provenance attestation is published. See how to fix → View diagnostics → Fail
  • Clear OSI-approved license (MIT).Pass
  • Actively maintained (last published 141 days ago).Pass
  • Security-disclosure policy not yet verified: we couldn't inspect the source repository.Unverified
Schema Quality & AI Usability71
  • AI-judged instruction clarity (good).Pass
  • Tool/resource definitions use about 441 tokens (~88/item across 5 items; 5 tools + 0 resources), lean.Pass
  • Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management23
  • Stability observed for 7 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage100
  • 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
  • 100% of tool parameters carry a description.Pass
Capabilities100
  • Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
Install

Add this component to your MCP client. Where a client-specific snippet is available, pick your client below and copy it straight into your config; otherwise use the connection detail shown.

npm · @charta/mcp

# add to Claude Code
claude mcp add mortenator-charta -- npx -y @charta/mcp
# add to Codex CLI
codex mcp add mortenator-charta -- npx -y @charta/mcp
// opencode.json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "mortenator-charta": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "@charta/mcp"
      ],
      "enabled": true
    }
  }
}
# add to OpenClaw
openclaw mcp add mortenator-charta --command npx --arg -y --arg @charta/mcp
# ~/.hermes/config.yaml
mcp_servers:
  mortenator-charta:
    command: "npx"
    args: ["-y", "@charta/mcp"]
// mcp.json
{
  "mcpServers": {
    "mortenator-charta": {
      "command": "npx",
      "args": [
        "-y",
        "@charta/mcp"
      ]
    }
  }
}
Changelog

Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.

  • 3 Aug 26 +3
    • Stability: unverified → 0.23 functional
  • 2 Aug 26 +39
    • GHSA-f88m-g3jw-g9cj affects this package: high security
    • Provenance: unverified → fail security
    • Known CVEs: unverified → fail security
    • Install scripts: unverified → pass security
    • Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window). security
    • Tool coverage: unverified → 100 functional
    • Dependency health: unverified → partial functional
    • Maintenance: unverified → pass functional
    • MCP protocol: unverified → pass functional
    • Schema quality: unverified → good functional
    • License: unverified → pass functional
    • Licence: MIT functional
  • 1 Aug 26 −1
    • Malware scan: unverified → pass security
    • Tool coverage: 100 → unverified functional
    • First check of Schema quality: unverified functional
  • 31 Jul 26 −24
    • We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
  • 27 Jul 26 40

    First indexed and scored.

Diagnostics

Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.

Captured 3 Aug 2026 · Analysed npm/@charta/[email protected]

Provenance none

Ecosystem: npm · Outcome: none

Vulnerabilities 1 finding
ID CVE Severity Vector Fix available
GHSA-f88m-g3jw-g9cj high yes
Dependencies 125 packages

125 packages in the resolved dependency tree · 125 deprecated · 29 stale.

The dependency tree was only partially resolved, so these counts may be incomplete.

MCP tools — 5 exposed · ~441 tokens

The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability.

Tool Tokens
describe_chart ~91

Given your data and context, recommend the best chart type and explain why. Also suggests alternatives. Great for when you're not sure which chart to use.

NameTypeReqDescription
contextstringWhat you're trying to show or communicate. E.g. 'quarterly revenue growth over 2 years', 'market share by product', 'project timeline'
dataarrayyesYour data array (can be partial/sample data)

No output schema declared.

No examples provided.

generate_chart ~149

Generate a beautiful, presentation-ready chart and return it as an SVG string. The chart is automatically cached and can be saved later with save_chart.

NameTypeReqDescription
dataarrayyesData points. Shape varies by chart type — use list_chart_types or get_chart_schema for details.
seriesLabelsarraySeries labels for multi-series charts (grouped-bar, stacked-bar, line with values[])
styleobjectOptional styling options
titlestringOptional chart title displayed at the top
typestringyesThe type of chart to generate
xLabelstringOptional X-axis label
yLabelstringOptional Y-axis label

No output schema declared.

No examples provided.

get_chart_schema ~42

Get the full JSON schema for a specific chart type, including all required and optional fields.

NameTypeReqDescription
typestringyesThe chart type to get the schema for

No output schema declared.

No examples provided.

list_chart_types ~35

List all supported chart types with descriptions, required data shapes, and examples. Use this to discover which chart type fits your data.

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

save_chart ~124

Save a chart to a file as SVG or PNG. Provide either a chartId (from a previous generate_chart call) or an SVG string directly.

NameTypeReqDescription
chartIdstringThe chartId returned by generate_chart (preferred)
formatstringyesOutput format. PNG requires the 'sharp' package to be installed.
outputPathstringyesAbsolute or relative path where the file should be saved, e.g. /tmp/chart.png or ./output/revenue.svg
svgstringSVG string to save directly (alternative to chartId)

No output schema declared.

No examples provided.