agentmods.dev

plotting-mcp CLAUDE.md

Project instructions for an MCP server that creates charts from CSV data using seaborn, a Python library for statistical graphics. It describes the code layout and development checks.

In plain words
What is it for?
Use it when adding plot types, editing chart behavior, managing Python dependencies, or running formatting and type checks.
Why use it?
It prevents changes from leaving the plotting code and the tool’s exposed options out of sync.

Instructions file

10 13d ago A scan 210 tokens original Apache-2.0
View the source file StacklokLabs/plotting-mcp
Install

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.

agentmods
npx agentmods add instructions/stackloklabs/plotting-mcp/claude-md
Clone the repo
git clone --depth 1 https://github.com/StacklokLabs/plotting-mcp
Per session 210 This file is loaded in full into every session.
When invoked 210 The same file — it is already loaded in full.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00210 $0.00210
Opus 5 $0.00105 $0.00105
Sonnet 5 $0.00042 $0.00042
Haiku 4.5 $0.00021 $0.00021

Measured 2d ago against content hash 43cc6813d210, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

plotting-mcp CLAUDE.md 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 2d 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.

CLAUDE.md · 18 lines

What it actually says

Project Overview

  • The project is focused on having an MCP server producing custom plots using as main library seaborn
  • The MCP server takes as input CSV data, plot type and kwargs plotting parameters

Project Structure

  • MCP server logic is located in: src/plotting_mcp/server.py
  • Plotting logic is located in: src/plotting_mcp/plot.py

Development Best Practices

  • After significant code changes run make format and make typecheck to make sure the code follows best practices

Code Maintenance Guidelines

  • When there is a new plot type added in plot.py we need to update the mcp tool in server.py

Dependency Management

  • This project uses uv for managing dependencies. In case you need to add a dependency use the command uv add <dependency>
  • If the dependency is for developing, e.g. for testing use uv add <dependency> --dev
  • All of the configuration of the project should be centralized in the pyproject.toml file
Changes

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.

  1. 2d ago First seen · 18 lines · 210 tokens per session scan A 43cc6813d210

Subscribe to this mod's changes

plotting-mcp CLAUDE.md is an instructions file published in the GitHub repository StacklokLabs/plotting-mcp (10 stars, last pushed 13d ago), licensed Apache-2.0. It adds 210 tokens to every session, about $0.0011 per session on Opus 5. 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 2026-08-31.

DocumentsLanguagesMapsMatplotlibPlottingcartopymcpmcp-server
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