Security• MCP Alternatives Guide

Best Alternatives to Unprofane

Looking for an alternative to Unprofane? Whether you need a different runtime environment, custom authentication support, or alternative API integrations in the Security ecosystem, we have cataloged and compared the top alternative MCP servers below.

Browse all Security servers →View Unprofane Specs →

U

Target Reference Server

Unprofane Overview

Unprofane MCP server checks submitted text for profanity and toxicity and includes evidence with the result. It is designed for workflows that need to decide whether text should be allowed. The available description does not specify transport, configuration, or client requirements. Reach for it when an MCP-based agent needs text moderation focused on profanity and toxicity.

Primary Use Cases for Unprofane:

Check user-submitted text before publication
Review generated responses for profanity
Flag toxic text with supporting evidence
Decide whether content should be allowed

Specification Matrix: Unprofane vs Alternatives

Direct comparison of key metrics, runtimes, authentication methods, and community popularity.

Server Name	Runtime	Auth	Pricing	GitHub Stars	Downloads	Action
U Unprofane (Target)	Remote (SSE)	No auth required	—	—	—	Current
Shellward	npx	No auth required	Free	139	—	Compare →
Shield	npx	No auth required	Free	11	—	Compare →
Auth0 MCP Server	npx	—	—	122	—	Compare →
Emilia Protocol	npx	No auth required	Free	611	—	Compare →
Skylos	uvx	No auth required	Free	847	—	Compare →
MCP Virustotal	npx	API key	Bring your own API key (usage-based cost)	151	—	Compare →
MCP Maigret	npx	No auth required	Free	269	—	Compare →
Agent Security Scanner MCP	npx	—	—	124	—	Compare →
MCP Security Audit	npx	No auth required	Free	57	—	Compare →
EthersFlow — Trust Gate for AI Agents	npx	—	—	2	—	Compare →
Kastell	npx	No auth required	Free	60	—	Compare →
Mobb Vibe Shield MCP	npx	API key	Bring your own API key (usage-based cost)	68	—	Compare →

Detailed Evaluation of Unprofane Alternatives

Shellward

Runtime: npxSecurity

Screens projects for China-specific compliance risks and adds runtime checks for injections, sensitive data, paths, tools, and commands.

Key Features:

Stdio MCP server with local execution

Prompt injection detection for Chinese and English text

PII, credential, and sensitive-data scanning

3 0 139

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Shield

Runtime: npxSecurity

Local MCP proxy that blocks risky agent actions, scans tool traffic, pins catalogs, and supports approvals and audit logs.

Key Features:

Pre-execution MCP call guardrails

TOFU tool-catalog pinning

Tool description and result scanning

5 0 11

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Auth0 MCP Server

Runtime: npxSecurity

Manage Auth0 applications, APIs, Actions, logs, forms, and users through natural-language MCP tools.

Key Features:

Natural-language Auth0 tenant management

Application, API, Action, log, form, and user operations

OAuth 2.0 device authorization

2 0 122

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Emilia Protocol

Runtime: npxSecurity

Requires named human approval for consequential agent actions and issues verifiable Ed25519 trust receipts.

Key Features:

Named human approval gates

Ed25519 Trust Receipts

Offline receipt verification

6 0 611

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Skylos

Runtime: uvxSecurity

Local static analysis for dead code, security issues, secrets, dependencies, quality regressions, and AI-generated code defects.

Key Features:

Dead-code and unused-file detection

Security, secret, and dependency analysis

AI-generated code verification

7 0 847

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MCP Virustotal

Runtime: npxSecurity

Queries VirusTotal for URL, file-hash, IP, and domain reports, relationships, behavior summaries, and threat collections.

Key Features:

URL, file, IP, and domain reports

Paginated relationship queries

VirusTotal corpus search

3 0 151

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MCP Maigret

Runtime: npxSecurity

Searches public sites for usernames and analyzes URLs through Maigret, with Docker-backed reports in several output formats.

Key Features:

Username searches across social networks and websites

URL parsing with associated username searches

Site filtering by tags

6 0 269

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Agent Security Scanner MCP

Runtime: npxSecurity

Scans agent-written code, MCP servers, prompts, actions, and dependencies for security risks and package hallucinations.

Key Features:

Project, file, and Git diff security scans

MCP server, prompt, and agent action checks

AI-suggested package existence verification

2 0 124

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MCP Security Audit

Runtime: npxSecurity

Audits npm dependencies against the remote registry and reports severity, CVE, CVSS, and upgrade information.

Key Features:

Remote npm registry security checks

Critical-to-low severity reporting

CVE, CVSS, CWE, and advisory references

4 0 57

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EthersFlow — Trust Gate for AI Agents

Runtime: npxSecurity

Verifies agent actions before execution with policy checks, adversarial model review, and signed Ed25519 verdicts.

Key Features:

Pre-execution action verification

Deterministic policy fast path

Adversarial multi-model consensus

1 0 2

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Kastell

Runtime: npxSecurity

Audits and hardens Linux servers, manages cloud infrastructure, and exposes security operations through MCP tools.

Key Features:

Server security audits with remediation

SSH hardening and fail2ban setup

UFW firewall management

5 0 60

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Mobb Vibe Shield MCP

Runtime: npxSecurity

Analyzes changed files in local Git repositories and returns automated vulnerability fixes through MCP.

Key Features:

Local Git change analysis

Automated vulnerability fix suggestions

Code patches with explanations

2 0 68

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Frequently Asked Questions: Unprofane Alternatives

The top-rated alternatives to Unprofane in the Security category include Shellward, Shield, Auth0 MCP Server. These servers offer complementary or alternative capabilities depending on your deployment stack and authentication requirements.

Unprofane and its alternatives vary by runtime requirement (Node.js/npx, Python/uvx, Docker, or remote HTTP/SSE endpoints). Check the specification comparison table above to verify command requirements before installing.

It varies by server. Pricing, auth and license are declared by each maintainer and shown in the comparison table where provided — a dash means nothing was declared, so check that project's own site before assuming it's free.

Click the "Compare side-by-side →" button on any alternative card to see an in-depth comparison matrix covering feature lists, stars, npm downloads, install configurations, and schema specifications.