llm-security MCP servers

51 tagged llm-security, measured the same way as everything else here.

Browse within: ai-security 32agent-security 14Prompt Injection 9model-context-protocol 8cybersecurity 6AI Safety 5

promptwall

25

vtino17/promptwall

MCP server Claude CodeCodexCursor

LLM prompt injection firewall with session tracking, explainability and multilingual detection. Runs locally from the promptwall Python package.

not rated 1 +1 19d ago A tokens not measured original MIT

kimss

26

kimss-ai/kimss-python-sdk

MCP server Claude CodeCodexCursor +2

MCP server "kimss" as configured in kimss-ai/kimss-python-sdk. Runs locally from the kimss[mcp] Python package. Needs 2 environment variables to run.

not rated 1 yesterday A tokens not measured original MIT

sandbox-mcp

27

Leovilhena/sandbox-mcp

MCP server Claude CodeCodexCursor

General-purpose Python execution sandbox with FastMCP tools, artifact capture, Manim rendering, and web demo workflows. Runs locally from the sandbox-mcp Python package.

not rated 0 5d ago A tokens not measured copy · 100% MIT

agentic-commerce

28

alex-hahn/agentic-commerce

MCP server Claude CodeCodexCursor

MCP server "agentic-commerce" as configured in alex-hahn/agentic-commerce. Runs locally from the agentic-commerce npm package.

not rated 0 1mo ago A tokens not measured original MIT

aegis-crew

29

pvfOliveira/aegis-crew

MCP server Claude CodeCodexCursor

MCP server "aegis-crew" as configured in pvfOliveira/aegis-crew. Runs locally from the aegis-crew Python package.

not rated 0 1mo ago A tokens not measured original Apache-2.0

workspace-tools

30

brian-mitchell-sec/workspace-tools-mcp

MCP server Claude CodeCodexCursor

Sandbox workspace tools: search, file read, DB queries, integrations. Returns synthetic data. Remote server at vandorla.com.

not rated 0 1mo ago A tokens not measured original MIT

agent-scan

31

BackBond/agent-scan

MCP server Claude CodeCodexCursor +2

Local static screening for MCP and AI-agent tool metadata before attachment. Runs locally from the @backbond/agent-scan npm package.

not rated 0 today A tokens not measured original MIT

ZentricProtocol/zentricprotocol

MCP server Claude CodeCodexCursor

Prompt injection + PII detection for LLM apps and agent pipelines. Deterministic, sub-25ms. Runs locally from the zentric-protocol-mcp npm package.

not rated 0 2mo ago A tokens not measured

agent-immune

33

denial-web/agent-immune

MCP server Claude CodeCodexCursor

Adaptive threat intelligence for AI agent security — semantic memory, multi-turn escalation, output scanning, rate limiting, and prompt hardening. Runs locally from the agent-immune Python package.

not rated 0 1mo ago A tokens not measured original Apache-2.0

mattijsmoens/sovereign-mcp-gateway

MCP server Claude CodeCodexCursor

A gating proxy for Model Context Protocol servers: policy, verification and one audit trail across every upstream. Runs locally from the sovereign-mcp-gateway Python package.

not rated 0 11d ago A tokens not measured

middlebrick

35

middleBrick/mcp-server

MCP server Claude CodeCodexCursor

MCP server for middleBrick API security scanning. Runs locally from the @middlebrick/mcp-server npm package. Needs 1 environment variable to run.

not rated 0 5mo ago A tokens not measured original Apache-2.0

nexus-mcp

36

nexus-api-lab/nexus-mcp

MCP server Claude CodeCodexCursor

MCP server "nexus-mcp", hosted remotely at mcp.nexus-api-lab.com, as configured in nexus-api-lab/nexus-mcp.

not rated 0 4mo ago A tokens not measured original MIT

x0base/mcp-security-toolkit

MCP server Claude CodeCodexCursor

Atomic MCP tools for AppSec and AI Security engineers. Runs locally from the mcp-security-toolkit Python package.

not rated 0 1mo ago A tokens not measured original MIT

llm-guard-gateway

38

ShreyAC962/llm-guard-gateway

MCP server Claude CodeCodexCursor

MCP server "llm-guard-gateway" as configured in ShreyAC962/llm-guard-gateway. Runs locally from the llm-guard-gateway Python package.

not rated 0 23d ago A tokens not measured original MIT

neon-guard-mcp

39

hayian78/neon-guard-mcp

MCP server Claude CodeCodexCursor

A local security proxy MCP server for Neon's serverless Postgres API — default-deny, policy-enforced AI branch access. Runs locally from the neon-guard-mcp Python package.

not rated 0 2mo ago A tokens not measured original MIT

sentinel

40

codeit-ronit/SENTINEL

MCP server Claude CodeCodexCursor

Create sentinel objects, akin to None, NotImplemented, Ellipsis. Runs locally from the sentinel Python package.

not rated 0 6d ago A tokens not measured

mcp-safe-fetch

41

PortfolioKB/mcp-safe-fetch

MCP server Claude CodeCodexCursor +2

MCP server "mcp-safe-fetch" as configured in PortfolioKB/mcp-safe-fetch. Runs locally from the mcp-safe-fetch Python package.

not rated 0 2mo ago A tokens not measured original MIT

heron

42

heronsec/heron-mcp

MCP server Claude CodeCodexCursor +2

MCP server "heron", hosted remotely at heronapp.io, as configured in heronsec/heron-mcp.

not rated 0 1mo ago A tokens not measured original MIT

terminus

43

interceptai-tech/terminus

MCP server Claude CodeCodexCursor +2

Updates interfaces file on Debian Linux-based distros. Runs locally from the terminus Python package.

not rated 0 1mo ago A tokens not measured AGPL-3.0

agent-chokepoint

44

ydarwish1/agent-chokepoint

MCP server Claude CodeCodexCursor +2

MCP server "agent-chokepoint" as configured in ydarwish1/agent-chokepoint. Runs locally from the agent-chokepoint Python package.

not rated 0 22d ago A tokens not measured original Apache-2.0

AaronVick/AGENT_FABLES

MCP server Claude CodeCodexCursor +2

MCP server "agent-safety-preflight" as configured in AaronVick/AGENTFABLES. Runs locally from the agent-fables npm package.

not rated 0 19d ago A tokens not measured

keywarden

46

DINAKAR-S/keywarden

MCP server Claude CodeCodexCursor +2

MCP server "keywarden" as configured in DINAKAR-S/keywarden. Runs locally from the keywarden-mcp npm package. Needs 1 environment variable to run.

not rated 0 3d ago A tokens not measured original MIT

cancerbero

47

noguerol/cancerbero

MCP server Claude CodeCodexCursor +2

MCP server "cancerbero" as configured in noguerol/cancerbero. Runs locally from the cancerbero Python package.

not rated 0 7d ago A tokens not measured

vetpkg

48

kiansaeidnia/vetpkg

MCP server Claude CodeCodexCursor +2

Catch hallucinated and squatted packages before an AI agent installs them. MCP server + CLI, zero dependencies. Runs locally from the vetpkg npm package.

not rated 0 6d ago A tokens not measured original MIT