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Microsoft
presidio-analyzer

An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.

4.5M 8K 1K
Microsoft
presidio-anonymizer

An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.

3.3M 8K 1K
cuga-project
cuga

CUGA is an open-source generalist agent harness for the enterprise, supporting complex task execution on web and APIs, OpenAPI/MCP integrations, composable architecture, reasoning modes, and policy-aware features.

450K 713 126
BoundaryML
baml-py

The AI framework that adds the engineering to prompt engineering (Python/TS/Ruby/Java/C#/Rust/Go compatible)

404K 8K 415
NVIDIA-NeMo
nemoguardrails

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

260K 6K 666
vstorm-co
pydantic-ai-middleware

Guardrail capabilities for Pydantic AI — cost tracking, prompt injection detection, PII filtering, secret redaction, tool permissions, and async guardrails. Built on pydantic-ai's native capabilities API.

139K 59 8
vstorm-co
pydantic-ai-shields

Guardrail capabilities for Pydantic AI — cost tracking, prompt injection detection, PII filtering, secret redaction, tool permissions, and async guardrails. Built on pydantic-ai's native capabilities API.

93K 59 8
Microsoft
presidio-image-redactor

An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.

30K 8K 1K
fathom-lab
styxx

Cognitive observability for LLM agents. Nine calibrated cognometric instruments — pure-Python, MIT, no LLM required. 9-for-9 on K=1 phase transition. Every Mind Leaves Vitals (DOI 10.5281/zenodo.19777921).

28K 5 1
manav8498
shadow-diff

Behavior contracts for AI agents

22K 4 0
microsoft
presidio-structured

An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.

14K 8K 1K
mauhpr
agentlint

Real-time guardrails for AI coding agents. 68 rules across 8 packs covering code quality, security, and infrastructure safety. Inline ignore directives, path exemptions, hook timing, and session summaries.

11K 19 1
deepsense-ai
ragbits-document-search

Building blocks for rapid development of GenAI applications

10K 2K 136
arthur-ai
arthur-observability-sdk

Make AI work for Everyone - Monitoring and governing for your AI/ML

10K 78 10
deepsense-ai
ragbits-evaluate

Building blocks for rapid development of GenAI applications

10K 2K 136
deepsense-ai
ragbits-core

Building blocks for rapid development of GenAI applications

9K 2K 136
deepsense-ai
ragbits-cli

Building blocks for rapid development of GenAI applications

7K 2K 136
deepsense-ai
ragbits

Building blocks for rapid development of GenAI applications

7K 2K 136
Microsoft
presidio

An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.

7K 8K 1K
MaxMLang
pytector

Easy to use LLM Prompt Injection Detection and Prompt Input Sanitization / Detector Python Package with support for local models, API-based safeguards, and LangChain guardrails.

6K 40 23
deepsense-ai
ragbits-guardrails

Building blocks for rapid development of GenAI applications

6K 2K 136
deepsense-ai
ragbits-chat

Building blocks for rapid development of GenAI applications

6K 2K 136
johnnichev
selectools

Production-ready Python framework for AI agents with built-in guardrails, audit logging, cost tracking, and hybrid RAG. Supports OpenAI, Anthropic, Gemini, Ollama. By NichevLabs.

6K 9 1
killertcell428
aig-guardian

🛡️ Open-source LLM security library for Python. Protect your AI apps from prompt injection, data leakage, and harmful outputs in 3 lines of code.

5K 14 3
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