LabVIEW-MCP-Server-Toolkit: Instructions file for Claude Code

CLAUDE.md

LabVIEW-MCP-Server-Toolkit CLAUDE.md is an instructions file for Claude Code from JanGoebel/LabVIEW-MCP-Server-Toolkit. It costs 2,409 tokens per session, scanned A, original, MIT.

A set of project instructions for developing a LabVIEW toolkit that exposes LabVIEW programs as an MCP server over HTTP. It describes the project layout, testing, branches, commits, pull requests, and release decisions.

In plain words
What is it for?
Use it when working on the LabVIEW MCP server, its HTTP handlers, package files, examples, tests, or continuous-integration workflows.
Why use it?
It gives a coding agent the repository rules it needs before changing code. This reduces accidental changes to the main branch and keeps development and review steps consistent.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions Claude Code.

This is JanGoebel/LabVIEW-MCP-Server-Toolkit's own configuration. It tells Claude Code how to work on LabVIEW-MCP-Server-Toolkit itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything LabVIEW-MCP-Server-Toolkit configures →

Reuse

Borrowing it

Nothing to install: this file belongs to JanGoebel/LabVIEW-MCP-Server-Toolkit. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/JanGoebel/LabVIEW-MCP-Server-Toolkit/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/JanGoebel/LabVIEW-MCP-Server-Toolkit

Made for: Claude Code.

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Per session 2,409 This file is loaded in full into every session.
When invoked 2,409 The same file — it is already loaded in full.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.02409 $0.02409
Opus 5.5 $0.00964 $0.00964
Sonnet 5.5 $0.00482 $0.00482
Haiku 4.5 $0.00241 $0.00241

Measured 9d ago against content hash d3a5f47aea22, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

LabVIEW-MCP-Server-Toolkit CLAUDE.md scanned grade A with 1 finding 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 9d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

requests (`tools/test/Test-McpServer.ps1` where present, otherwise curl).
CLAUDE.md · 181 lines

How it starts

The opening of the file, as written. The whole thing — 181 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Working on the LabVIEW MCP Server Toolkit with Claude Code

Instructions for Claude Code sessions in this repository. They describe how work is done here: who decides what, how LabVIEW code is changed, and how commits and pull requests are structured.

The project

A LabVIEW toolkit that turns VIs into an MCP server over HTTP (tools, prompts, resources). Built on the IG HTTP Server Toolkit and JSONtext.

Path Content
src/MCP Server/ The toolkit: MCP Server.lvlib and the MCP Handler.lvclass HTTP handler
src/*.vipb, src/*.vipc Package build specification and runtime dependencies
tests/ Caraya tests (MCP Server tests.lvlib); Run_Tests_CLI.vi is the CI entry point
examples/ Example servers. In this repo they load the toolkit from src, not from an installed package
tools/ci/ Pull request review scripts and the workflow template
tools/setup/, tools/test/ Environment setup and the protocol tester, where present
tools/icons/ New-VIIcon.ps1, which draws VI icons in the toolkit's style
docs/ Guides for working on the repository, e.g. pull-request-reports.md
.github/workflows/ CI. Maintainer-only, see below

Who decides what

  • The maintainer reviews and merges every pull request. Never merge, and never push to main.
  • Releases are the maintainer's: never create or push tags, never create releases, never trigger the release workflow.
  • Files under .github/workflows/ are changed by the maintainer only. The token used here cannot push them. Put workflow changes in tools/ci/ as a template and describe the exact edit in the pull request.
  • GitHub settings (rulesets, variables, runners, environments) are the maintainer's. Say what is needed; do not try to change them.
  • Never ask for tokens, passwords or serial numbers in chat. Sign-ins happen in the maintainer's own terminal.

Branches

  • Always work on a branch created from origin/main after git fetch. Name it after the change (http-transport-behaviour, fix-package-build).
  • One topic per branch and pull request. Unrelated work gets its own branch, even when it comes up in the same session.
  • If work depends on an open pull request, branch from that pull request's branch and say so in the description.
  • VIs are binary and cannot be merged. Do not open two pull requests that edit the same VI; if two tasks need the same VI, say so and ask which goes first.
  • Follow-up changes to an open pull request are new commits on its branch, announced with a short update comment (see "Pull requests"). The pull request updates itself; do not open a new one.

Read the full file on GitHub · 181 lines

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. 9d ago Changed · +6 lines · +126 tokens per session d3a5f47aea22
  2. 12d ago Changed · +9 lines · +128 tokens per session 02657f9b0643
  3. 15d ago First seen · 166 lines · 2,155 tokens per session scan A 186dbaee45ca

Subscribe to this mod's changes

LabVIEW-MCP-Server-Toolkit CLAUDE.md is an instructions file published in the GitHub repository JanGoebel/LabVIEW-MCP-Server-Toolkit (65 stars, last pushed 4d ago), licensed MIT. It adds 2,409 tokens to every session, about $0.0096 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-15.

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