Is Claude Prompt Optimizer MCP Server safe to use?

Claude Prompt Optimizer MCP Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.

How do I install Claude Prompt Optimizer MCP Server?

Claude Prompt Optimizer MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can Claude Prompt Optimizer MCP Server do?

Claude Prompt Optimizer MCP Server provides 3 tools: optimize_prompt, refine_prompt, approve_prompt. See the full tools list on the server page for descriptions and parameters.

What AI clients work with Claude Prompt Optimizer MCP Server?

Claude Prompt Optimizer MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse transport.

Is Claude Prompt Optimizer MCP Server actively maintained?

Claude Prompt Optimizer MCP Server is actively maintained — last commit was 10 days ago. It has 1 GitHub stars.

Claude Prompt Optimizer MCP Server

pcp-engine

Scores, compiles & optimizes prompts for any LLM. Zero AI calls inside. Freemium.

1 33/wk 3 tools GitHub npm

No known CVEs

No license

Actively maintained

Last commit 10d ago

Works with most clients

Transport: stdio, sse

3 tools · ~278 tok

Grade A · 0.1% of 200K ctx

Edit this pageView history

AI / ML Developer Tools

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, sse · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "prompt-optimizer": {
      "args": [
        "-y",
        "pcp-engine"
      ],
      "command": "npx"
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-rishiatlan-claude-prompt-optimizer)](https://mcppedia.org/s/io-github-rishiatlan-claude-prompt-optimizer)

Read me

What Claude Prompt Optimizer MCP Server does

The control plane for AI prompts. Score, enforce policy, lock config, and audit every prompt decision. Free tier included.

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

npx -y 'pcp-engine' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

Loading README…

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

85/100across 5 weighted dimensions

How we score →

0255075100

−15

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked pcp-engine against OSV.dev.

Inventory

Tools (3)

Click any tool to inspect its schema.

~278 tokens total

Community

Reviews

Be the first to review

Have you used this server?

Share your experience — it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is Claude Prompt Optimizer MCP Server safe to use?: Claude Prompt Optimizer MCP Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
How do I install Claude Prompt Optimizer MCP Server?: Claude Prompt Optimizer MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can Claude Prompt Optimizer MCP Server do?: Claude Prompt Optimizer MCP Server provides 3 tools: optimize_prompt, refine_prompt, approve_prompt. See the full tools list on the server page for descriptions and parameters.
What AI clients work with Claude Prompt Optimizer MCP Server?: Claude Prompt Optimizer MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse transport.
Is Claude Prompt Optimizer MCP Server actively maintained?: Claude Prompt Optimizer MCP Server is actively maintained — last commit was 10 days ago. It has 1 GitHub stars.

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MCP Security Weekly

Get CVE alerts and security updates for Claude Prompt Optimizer MCP Server and similar servers.

Community

Discussion

Start a conversation

Ask a question, share a tip, or report an issue.

Has anyone used this with Cursor?How do you handle auth?Any alternatives?

Edit this pageView history

AI / ML Developer Tools

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, sse · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "prompt-optimizer": {
      "args": [
        "-y",
        "pcp-engine"
      ],
      "command": "npx"
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-rishiatlan-claude-prompt-optimizer)](https://mcppedia.org/s/io-github-rishiatlan-claude-prompt-optimizer)

Read me

What Claude Prompt Optimizer MCP Server does

The control plane for AI prompts. Score, enforce policy, lock config, and audit every prompt decision. Free tier included.

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

npx -y 'pcp-engine' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

README

Prompt Control Plane

The control plane for AI prompts. Score, enforce policy, lock config, and audit every prompt decision. Free tier included.

Quick Start

# Install globally (requires Node.js 18+)
npm install -g pcp-engine

# Pre-flight: classify, score, route, and enforce policy in one call
pcp preflight "your prompt here" --json

# Run the guided demo
pcp demo

Two powerhouse commands:

Command	What it does
`pcp preflight "prompt"`	The lead command. Classify, assess risk, route model, score — one call covers 90% of use cases
`pcp optimize "prompt"`	Full pipeline. Analyze, compile, surface blocking questions, produce PreviewPack for approval

Supporting commands:

Command	What it does
`pcp check "prompt"`	Quick quality score + top issues
`pcp score "prompt"`	Full 5-dimension quality breakdown
`pcp cost "prompt"`	Cost estimate across 10 models
`pcp benchmark`	Run 15-prompt regression suite

Free tier gives you 50 optimizations/month to try it out.

Try It

# Pre-flight a vague prompt — see why it scores low
pcp preflight "make the code better" --json

# Pre-flight a well-specified prompt — see the full analysis
pcp preflight "Refactor auth middleware in src/auth/middleware.ts to use JWT. Do not modify the user model." --json

# Run the full optimization pipeline (compile + blocking questions + approval)
pcp optimize "Build a REST API with auth" --json

# Quick quality check on all prompts in a directory
pcp check --file "prompts/**/*.txt"

# Run the guided demo
pcp demo

GitHub Action

# .github/workflows/prompt-quality.yml
- uses: rishi-banerjee1/prompt-control-plane@v5
  with:
    subcommand: preflight
    files: "prompts/**/*.txt"

Full GitHub Action configuration

# .github/workflows/pcp.yml
name: Prompt Quality Gate
on: [push, pull_request]
jobs:
  lint:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
    steps:
      - uses: actions/checkout@v4
      - uses: rishi-banerjee1/prompt-control-plane@v5
        with:
          subcommand: preflight
          files: 'prompts/**/*.txt'
          threshold: 70
          comment: 'true'  # Posts results as PR comment

Run optimize in CI (full pipeline):

      - uses: rishi-banerjee1/prompt-control-plane@v5
        with:
          subcommand: optimize
          files: 'prompts/**/*.txt'

This action expects your repo to be checked out (actions/checkout). Without it, file globs will match nothing.

SHA-pinned example (for enterprise users):

      - uses: rishi-banerjee1/prompt-control-plane@abc123def  # SHA-pinned
        with:
          version: '5.0.0'  # Required when pinning by SHA
          files: 'prompts/**/*.txt'
          threshold: 70

Notes:

The action installs pcp via npm install --prefix into $RUNNER_TEMP, then runs the binary. Falls back to prompt-lint for v4 installs.
Action tag @v5 maps to npm @5 (latest 5.x). Use @v5.0.0 for exact pinning.
subcommand input accepts check (default), preflight, optimize, or score. Use preflight for CI gates.
`comm

... View full README on GitHub

Loading README…

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

85/100across 5 weighted dimensions

How we score →

0255075100

−15

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked pcp-engine against OSV.dev.

Inventory

Tools (3)

Click any tool to inspect its schema.

~278 tokens total

Community

Reviews

Be the first to review

Have you used this server?

Share your experience — it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is Claude Prompt Optimizer MCP Server safe to use?: Claude Prompt Optimizer MCP Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
How do I install Claude Prompt Optimizer MCP Server?: Claude Prompt Optimizer MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can Claude Prompt Optimizer MCP Server do?: Claude Prompt Optimizer MCP Server provides 3 tools: optimize_prompt, refine_prompt, approve_prompt. See the full tools list on the server page for descriptions and parameters.
What AI clients work with Claude Prompt Optimizer MCP Server?: Claude Prompt Optimizer MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse transport.
Is Claude Prompt Optimizer MCP Server actively maintained?: Claude Prompt Optimizer MCP Server is actively maintained — last commit was 10 days ago. It has 1 GitHub stars.