Flint is a visualization language that turns compact, human-editable chart descriptions into charts without requiring an agent to specify every layout detail. Its library produces output for formats including Vega-Lite, ECharts, Chart.js, Plotly, and editable Excel charts, while its MCP server lets agents create, validate, and render visualizations. The catalogue skills, agent, and MCP integration help coding agents use Flint.
Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
git clone --depth 1 https://github.com/microsoft/flint-chartWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/mcp/microsoft/flint-chart/flint-chart-flint)<a href="https://agentmods.dev/mcp/microsoft/flint-chart/flint-chart-flint"><img src="https://agentmods.dev/badge/mcp/microsoft/flint-chart/flint-chart-flint/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/mcp/microsoft/flint-chart/flint-chart-flint"><img src="https://agentmods.dev/badge/mcp/microsoft/flint-chart/flint-chart-flint.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket warn
Grade A, and why
flint scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
{
"flint": {
"command": "npx",
"args": [
"--yes",
"flint-chart-mcp"
],
"cwd": "${PLUGIN_ROOT}"
}
}What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 1mo ago First seen · 10 lines scan A e88f588b42c4
flint is an MCP server published in the GitHub repository microsoft/flint-chart (4,374 stars, last pushed today), licensed MIT. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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