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prompt-registry

prompt-registry is an MCP server for Claude Code from joseph0926/prompt-shield. Its token cost is not measured, scanned A, original, MIT.

An MCP server configuration for a prompt registry, a service that stores or retrieves reusable prompts for AI systems. It runs a local JavaScript server and requires one environment setting identifying its data folder.

In plain words
What is it for?
Use it when setting up the prompt-registry server for an agent environment. The available information covers its command, data location, and required environment variable.
Why use it?
The input only describes how the server is configured, so it does not establish specific prompt-management features. Its purpose is to make the prompt registry available through MCP.

MCP server for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable. Also seen: listed in a Claude config.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the ps plugin — 1 skill, 6 commands, 3 agents, 3 hooks, 1 MCP server shipped together

not rated 5repo 7mo ago A scan tokens not measured original MIT

Good fit Use it when setting up the prompt-registry server for an agent environment. The available information covers its command, data location, and required environment variable.

Compare 6 mcp servers from other repositories ↓
View source ↗ joseph0926/prompt-shield
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add joseph0926/prompt-shield
Claude Code
/plugin install ps

Made for: Claude Code.

Or install ps, the plugin that ships this one along with the rest of its 1 skill, 6 commands, 3 agents, 3 hooks, 1 MCP server.

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 prompt-registry

README.md
[![agentmods](https://agentmods.dev/badge/mcp/joseph0926/prompt-shield/prompt-registry/github.svg)](https://agentmods.dev/mcp/joseph0926/prompt-shield/prompt-registry)
Your own site
<a href="https://agentmods.dev/mcp/joseph0926/prompt-shield/prompt-registry"><img src="https://agentmods.dev/badge/mcp/joseph0926/prompt-shield/prompt-registry/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.

agentmods 80×15 button for prompt-registry

Your own site · 80×15
<a href="https://agentmods.dev/mcp/joseph0926/prompt-shield/prompt-registry"><img src="https://agentmods.dev/badge/mcp/joseph0926/prompt-shield/prompt-registry.svg" alt="Reviewed on agentmods" width="80" 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. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

prompt-registry 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 10d 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.

.mcp.json · 11 lines

What it actually says

{
  "prompt-registry": {
    "command": "node",
    "args": [
      "${CLAUDE_PLUGIN_ROOT}/servers/prompt-registry.js"
    ],
    "env": {
      "PROMPT_REGISTRY_DATA": "${CLAUDE_PLUGIN_ROOT}/data"
    }
  }
}
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. 10d ago First seen · 11 lines scan A 9c1a0ecd4a55

Subscribe to this mod's changes

prompt-registry is an MCP server published in the GitHub repository joseph0926/prompt-shield (5 stars, last pushed 7mo 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.

Claude CodeData and AIPromptingclaude-pluginclaude-skills
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