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b4j-inventory

b4j-inventory is an MCP server for Claude Code, Codex, Cursor, Gemini CLI, OpenCode from pyhoon/mcp-server-b4j. Its token cost is not measured, scanned A, original, MIT.

A locally configured MCP server for B4J, a Java-based development tool in the B4X ecosystem. The available setup only shows that it is started from a Java archive file.

In plain words
What is it for?
Use it to launch the configured `mcp_server.jar` with Java. The specific B4J jobs it handles are not described here.
Why use it?
It lets a coding agent connect to this B4J-related server, but the provided information does not explain which tasks or data it supports.

MCP server for Claude CodeCodexCursorGemini CLIOpenCode

Written for no agent in particular: it speaks MCP, so any client can run it. Also seen: listed in a Claude config.

not rated 2 8mo ago A scan tokens not measured original MIT
View the source file pyhoon/mcp-server-b4j b4x.com
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 mcp/pyhoon/mcp-server-b4j/b4j-inventory
Clone the repo
git clone --depth 1 https://github.com/pyhoon/mcp-server-b4j

Made for: Claude Code, Codex, Cursor, Gemini CLI, OpenCode.

Wrote 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.

agentmods badge for b4j-inventory

README.md
[![agentmods](https://agentmods.dev/badge/mcp/pyhoon/mcp-server-b4j/b4j-inventory.svg)](https://agentmods.dev/mcp/pyhoon/mcp-server-b4j/b4j-inventory)
Your own site
<a href="https://agentmods.dev/mcp/pyhoon/mcp-server-b4j/b4j-inventory"><img src="https://agentmods.dev/badge/mcp/pyhoon/mcp-server-b4j/b4j-inventory.svg" alt="Measured on agentmods" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

b4j-inventory 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 6d 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_desktop_config.json · 9 lines

What it actually says

{
  "b4j-inventory": {
    "command": "C:\\Java\\jdk-19.0.2\\bin\\java",
    "args": [
      "-jar",
      "C:\\B4X\\Development\\mcp-server\\Objects\\mcp_server.jar"
    ]
  }
}
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. 6d ago First seen · 9 lines scan A b56c3abbcf18

Subscribe to this mod's changes

b4j-inventory is an MCP server published in the GitHub repository pyhoon/mcp-server-b4j (2 stars, last pushed 8mo ago), 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 2026-08-31.

aib4jb4xclaude-desktopmcp-serverstdio-mcp
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