What is the best alternative to Holster MCP?

The top-rated alternatives to Holster MCP in the Security category include Shield, Mcp Maigret, Keymaster Mcp. These servers offer complementary or alternative capabilities depending on your deployment stack and authentication requirements.

How do Holster MCP alternatives differ in installation and runtime?

Holster MCP 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.

Are alternatives to Holster MCP free and open source?

Most MCP servers listed on AllMCPs are open source tools under MIT or Apache licenses that you can self-host or run locally with Claude Desktop, Cursor, VS Code, or Windsurf.

How do I side-by-side compare Holster MCP with a specific alternative?

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.

What is the best alternative to Holster MCP?

The top-rated alternatives to Holster MCP in the Security category include Shield, Mcp Maigret, Keymaster Mcp. These servers offer complementary or alternative capabilities depending on your deployment stack and authentication requirements.

How do Holster MCP alternatives differ in installation and runtime?

Holster MCP 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.

Are alternatives to Holster MCP free and open source?

Most MCP servers listed on AllMCPs are open source tools under MIT or Apache licenses that you can self-host or run locally with Claude Desktop, Cursor, VS Code, or Windsurf.

How do I side-by-side compare Holster MCP with a specific alternative?

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.

Security• MCP Alternatives Guide

Best Alternatives to Holster MCP

Looking for an alternative to Holster MCP? 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 Holster MCP Specs →

Target Reference Server

Holster MCP Overview

Local-first secret scanning, rotation, vault, and audit-log tools for AI agents.

Specification Matrix: Holster MCP vs Alternatives

Server Name	Runtime	Auth	Pricing	GitHub Stars	Downloads	Action
H Holster MCP (Target)	npx	Free/None	Free	—	—	Current
Shield	npx	No auth required	Free	6	—	Compare →
Mcp Maigret	npx	No auth required	Free	256	—	Compare →
K Keymaster Mcp	npx	Free/None	Free	—	—	Compare →
Agentward	npx	No auth required	Free	19	—	Compare →
Emilia Protocol	npx	No auth required	Free	798	—	Compare →
M Mcp Bastion	npx	Free/None	Free	6	—	Compare →
Mcp Dnstwist	npx	No auth required	Free	51	—	Compare →
Volta Mcp Server	npx	No auth required	Free	1	—	Compare →
Mcp Virustotal	npx	API key	Bring your own API key (usage-based cost)	144	—	Compare →
C CrowdStrike Falcon MCP Server	uvx	Free/None	Free	232	—	Compare →
U Uk Ai Act Mcp	npx	Free/None	Free	—	—	Compare →
D Datacron	npx	Free/None	Free	—	—	Compare →

Detailed Evaluation of Holster MCP Alternatives

Shield

Runtime: npx

Local MCP proxy that enforces adaptive guardrails to block destructive AI agent tool calls and protect supply chain.

Key Features:

Intercepts and blocks destructive tool calls with 65+ adaptive rules

Supports local stdio and remote Streamable HTTP MCP servers

TOFU pinning of tool catalogs to prevent supply-chain attacks

3 0 6

Compare side-by-side

Mcp Maigret

Runtime: npx

MCP server for Maigret, an OSINT tool to search usernames and analyze URLs across public social networks.

Key Features:

Username search with site filtering and format options

URL parsing and analysis for associated usernames

Supports multiple output formats: txt, html, pdf, json, csv, xmind

3 0 256

Compare side-by-side

Keymaster Mcp

Runtime: npx

Read-only runtime secret retrieval from HashiCorp Vault via Keymaster for autonomous AI agents.

0 0

Compare side-by-side

Agentward

Runtime: npx

Permission control proxy enforcing least-privilege policies and auditing AI agent tool calls at runtime.

Key Features:

Runtime enforcement of YAML-defined least-privilege policies

Sensitive data classification with compliance framework hints

Detection of supply chain threats including deserialization attacks

2 0 19

Compare side-by-side

Emilia Protocol

Runtime: npx

Adds named-human approval, trust receipts, verification, disputes, and delegation for consequential AI-agent actions.

Key Features:

Named-human approval for irreversible actions

Offline-verifiable Ed25519 Trust Receipts

Trust profile access

1 0 798

Compare side-by-side

Mcp Bastion

Runtime: npx

Reliability + security proxy for MCP: runtime tool-security and a compliance-mapped audit trail.

0 0 6

Compare side-by-side

Mcp Dnstwist

Runtime: npx

MCP server exposing dnstwist for DNS fuzzing to detect typosquatting, phishing, and domain impersonation risks.

Key Features:

Domain fuzzing with multiple algorithms

Registration and DNS record checks (A, AAAA, MX, NS)

HTTP banner capture

2 0 51

Compare side-by-side

Volta Mcp Server

Runtime: npx

Create and read AES-256-GCM encrypted notes that self-destruct after one read.

Key Features:

Create encrypted notes up to 2 KB

Read and permanently destroy notes

Use AES-256-GCM end-to-end encryption

1 0 1

Compare side-by-side

Mcp Virustotal

Runtime: npx

MCP server for VirusTotal API providing URL, file hash, IP, and domain security analysis with relationship data.

Key Features:

Automatic relationship data fetching with batched API calls

Cached-report-first URL lookups with fallback scanning

Detailed file hash analysis including sandbox behavior summaries

2 0 144

Compare side-by-side

CrowdStrike Falcon MCP Server

Runtime: uvx

Connects AI agents with CrowdStrike Falcon for security analysis and automation.

0 0 232

Compare side-by-side

Uk Ai Act Mcp

Runtime: npx

UK AI regulation compliance tools for AI agents. Capabilities: UK risk classification, AISI

0 0

Compare side-by-side

Datacron

Runtime: npx

Local-first MCP server that exposes a Markdown vault through MCP.

0 0

Compare side-by-side

Best Alternatives to Holster MCP

Holster MCP Overview

Specification Matrix: Holster MCP vs Alternatives

Detailed Evaluation of Holster MCP Alternatives

Frequently Asked Questions: Holster MCP Alternatives