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#llm-security (30 Repositories)

Ranked open-source repositories tagged with #llm-security, scored by pull request acceptance likelihood and maintainer engagement velocity.

Topic Avg Merge Rate

60.7%

Avg Review Latency

80.5h

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30 repositories tagged #llm-security

S TierTypeScript 676

arcjet/arcjet-js

Runtime security for AI apps and agents: prompt injection detection, tool-call authorization, sensitive-data redaction, bot protection, and rate limiting. Drop it into your JS/TS code.

80.2%
Merge Rate
5h
First Review
80%
1st-Timers
6
Maintainers
S TierJavaScript 854 14 GFIs

asamassekou10/ship-safe

The independent security agent for AI-written software. Finds issues, investigates whether they are real, and shows you the evidence. Deterministic core, no API key needed, JSON and SARIF output.

84.4%
Merge Rate
-
First Review
100%
1st-Timers
10
Maintainers
S TierPython 295 14 GFIs

DobermanCore/Doberman-Core

Your AI's guard dog. Doberman sits at runtime, gating every input, output and tool call to stop unsafe or unintended actions before they execute.

89.4%
Merge Rate
-
First Review
73%
1st-Timers
15
Maintainers
A TierPython 207

fu351/Doberman-Core

Your AI's guard dog. Doberman sits at runtime, gating every input, output and tool call to stop unsafe or unintended actions before they execute.

93.8%
Merge Rate
1d
First Review
75%
1st-Timers
11
Maintainers
A TierGo 111

openclaw/clawscan

Composable security scanning harness for agent skills

77.8%
Merge Rate
<1h
First Review
100%
1st-Timers
5
Maintainers
A TierGo 920

luckyPipewrench/pipelock

Open-source AI agent firewall for MCP security and agent egress. Scans mediated HTTP, MCP, A2A, and WebSocket traffic for exfiltration, SSRF, and prompt injection, and emits mediator-signed action receipts: verifiable audit evidence from outside the agent.

88.4%
Merge Rate
-
First Review
100%
1st-Timers
5
Maintainers
A TierTypeScript 572

KeyValueSoftwareSystems/agent-opfor

Open-source adversary emulation for AI agents and MCP servers.

98.0%
Merge Rate
1d
First Review
100%
1st-Timers
3
Maintainers
A TierPython 185 2 GFIs

OWASP/www-project-agent-memory-guard

OWASP Foundation web repository

61.5%
Merge Rate
-
First Review
50%
1st-Timers
7
Maintainers
A TierPython 6.8k

Tencent/AI-Infra-Guard

A full-stack AI Red Teaming platform securing AI ecosystems via Agent Scan, Skills Scan, MCP scan, AI Infra scan and LLM jailbreak evaluation.

71.1%
Merge Rate
-
First Review
75%
1st-Timers
18
Maintainers
A TierPython 7.3k 1 GFIs

NVIDIA-NeMo/Guardrails

NeMo Guardrails is an open-source toolkit for easily adding programmable guardrails to LLM-based conversational systems.

61.9%
Merge Rate
-
First Review
19%
1st-Timers
38
Maintainers
A TierPython 2.0k

uber/ADR

ADR secures enterprise AI agents through observability, security benchmarking, and threat detection. Deployed at Uber.

37.9%
Merge Rate
-
First Review
57%
1st-Timers
8
Maintainers
A TierTypeScript 126

StackOneHQ/defender

Open source prompt injection protection for Agents calling tools (via MCP, CLI or direct function calling). Detect and defend against prompt injection attacks. 22MB, CPU-only, < 10ms latency.

72.7%
Merge Rate
-
First Review
67%
1st-Timers
3
Maintainers
A TierGo 447

adithyan-ak/AgentHound

Offensive security framework for AI agent infrastructure - recon, credential looting, model exfiltration, poisoning, and attack-path analysis across MCP, A2A, gateways, and AI services. BloodHound for the agentic stack.

91.4%
Merge Rate
5d
First Review
100%
1st-Timers
2
Maintainers
B TierPython 109

DmitrL-dev/AISecurity

AI Security Platform: Defense (61 Rust engines + Micro-Model Swarm) + Offense (39K+ payloads)

100.0%
Merge Rate
12h
First Review
100%
1st-Timers
0
Maintainers
A TierPython 872 3 GFIs

toby-bridges/api-relay-audit

Local security audit for AI API relays and LLM proxies: detects prompt injection, model substitution, tool-call rewriting, SSE anomalies, error leakage, and Web3 wallet risks.

60.0%
Merge Rate
18h
First Review
100%
1st-Timers
1
Maintainers
B TierPython 927

Zyrexnn/Cybermes

Autonomous Offensive Security, Bug Bounty & Red Teaming Agent Framework powered by Hermes Agent, specialized reasoning skills, and multi-model LLM orchestration.

82.8%
Merge Rate
1h
First Review
67%
1st-Timers
1
Maintainers
B TierPython 272 4 GFIs

guardana/guardana

Open-source AI security verification for model artifacts, live endpoints, MCP servers, and recorded agent traces. Reproducible evidence for release decisions.

11.1%
Merge Rate
-
First Review
0%
1st-Timers
3
Maintainers
A TierGo 240

praetorian-inc/julius

Simple LLM service identification - translate IP:Port to Ollama, vLLM, LiteLLM, or 60+ other AI services in seconds

72.7%
Merge Rate
<1h
First Review
100%
1st-Timers
1
Maintainers
A TierPython 2.0k

msoedov/agentic_security

Agentic LLM Vulnerability Scanner / AI red teaming kit 🧪

88.6%
Merge Rate
10h
First Review
82%
1st-Timers
1
Maintainers
B TierPython 489

liu00222/Open-Prompt-Injection

This repository provides a benchmark for prompt injection attacks and defenses in LLMs

100.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
B TierTypeScript 410 2 GFIs

Agent-Threat-Rule/agent-threat-rules

Open detection-rule standard for AI agent security threats — like Sigma, but for AI agents. Executable, testable rules for prompt injection, tool poisoning, context exfiltration and MCP attacks. Merged into open-source projects at Microsoft, Cisco, Gen Digital, MISP and FINOS. MIT-licensed.

67.5%
Merge Rate
5d
First Review
0%
1st-Timers
2
Maintainers
B TierJUJupyter Notebook 58.9k

pathwaycom/llm-app

Ready-to-run cloud templates for RAG, AI pipelines, and enterprise search with live data. 🐳Docker-friendly.⚡Always in sync with Sharepoint, Google Drive, S3, Kafka, PostgreSQL, real-time data APIs, and more.

33.3%
Merge Rate
<1h
First Review
0%
1st-Timers
2
Maintainers
B TierPython 923

EasyJailbreak/EasyJailbreak

An easy-to-use Python framework to generate adversarial jailbreak prompts.

100.0%
Merge Rate
62d
First Review
0%
1st-Timers
1
Maintainers
B TierPython 146

CyberStrategyInstitute/ai-safe2-framework

The Universal Governance, Risk, Compliance (GRC) Operating System with Integrated Security for Agentic AI, Non-Human Identities, and Swarm Governance. AI SAFE² + AI Sovereignty Maturity Model (AISM), NEXUS-A2A Protocol, FORGE-Act (e.g. Marshal Plan for AI) [Dual License: MIT + CC-BY-SA]

33.3%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
B TierPython 101

AISecurityConsortium/AIGoat

AIGoat - Open-source AI security playground for LLM red teaming. AI Goat provides hands-on labs covering the full OWASP LLM Top 10 with progressive defenses.

50.0%
Merge Rate
10d
First Review
0%
1st-Timers
1
Maintainers
B TierPython 488

AgentSafeLabs/safelabs-eval

Red-teaming and evaluation framework for AI agents, built around an OWASP-inspired ASI01–ASI10 taxonomy

12.5%
Merge Rate
14d
First Review
0%
1st-Timers
0
Maintainers
C TierPython 345

getagentseal/agentseal

Security toolkit for AI agents. Scan your machine for dangerous skills and MCP configs, monitor for supply chain attacks, test prompt injection resistance, and audit live MCP servers for tool poisoning.

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierGo 437 5 GFIs

dataiku/kiji-proxy

Privacy proxy for your OpenAI requests

0.0%
Merge Rate
<1h
First Review
0%
1st-Timers
0
Maintainers
D TierRust 216

GaaraZhu/gate

A deterministic privacy boundary between your data and AI.

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierTypeScript 347

adversa-ai/secureclaw

SecureClaw - Security Plugin and Skill for OpenClaw OWASP-Aligned

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
Best Llm-security Open Source Repositories & C-Rank™ | GetMerged