prompt-protection MCP server

by mughalhere·io.github.mughalhere/prompt-protection·v3.1.1

Scan prompts, tool definitions and model output for injection, and guard agent tool calls.

A92/100grade A

What users say

No reviews yet

Safety scan

A92/100

Adoption

Growing

3 stars575 downloads/wk

Reviews

Nobody has reviewed prompt-protection yet.

If you have run it, two minutes of your experience saves the next person an afternoon.

No tool declarations could be read from the package source. They show once the server is installed.

scanner v0.1.3 · 2026-09-19 · same rubric, same numbers if you re-run it

no findings

Code scan66 source files scanned25/25
–Live reliabilityno gateway calls yet and no remote to proben/a
–Tool poisoningtools not inspected (local package is not executed); not countedn/a
Auth qualitylocal package, no credentials required12/15
Maintenancelast push 1 days ago15/15
Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

Overall 92/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

Runs npx -y prompt-protection on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add prompt-protection -- npx -y prompt-protection

Is prompt-protection MCP server safe?: Yes, by our scan: it is graded A (92/100). Read the prompt-protection safety report
How do I install prompt-protection?: It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does prompt-protection need an API key?: Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is prompt-protection maintained?: The last commit was in the last day (2026-09-18). The latest release is v3.1.1.
What can I use instead of prompt-protection?: Servers from other publishers that do the same job: mcpm MCP server, Aletheia Runtime Safety & Scope Creep Filter MCP server and Phi Guard MCP server. Compare all prompt-protection alternatives.

Same job from other publishers: the closest match first, then the best rated.

mcpm
MCP security guard + package manager: trust-scored installs, blocks prompt injection and rug-pulls.
not reviewed
Growing
B
Aletheia Runtime Safety & Scope Creep Filter
Deterministic pre-execution filter that blocks known scope-creep and prompt-injection tool calls
not reviewed
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B
Phi Guard
Local-first PHI detection for source code, LLM prompts, logs, and analytics
not reviewed
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A
Vox MCP
Multi-model AI gateway — 8 providers plus local models, no system prompt injection.
not reviewed
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B
Lovec
Prompt-injection detector for untrusted text before it reaches an LLM (RU/EN). BYO lovec.tech key.
not reviewed
Growing
B