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João André Gomes Marques profile picture

João André Gomes Marques

Founder of Asqav. Building AI agent governance - audit trails, policy enforcement, and compliance for autonomous AI systems.

Joined Joined on  Personal website https://asqav.com

Education

Master in Cybersecurity

Work

Founder at Asqav

Scan MCP tool definitions for prompt injection before your agent calls them

Scan MCP tool definitions for prompt injection before your agent calls them

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1 min read
Three tiers of enforcement for AI agents - strong, bounded, detectable

Three tiers of enforcement for AI agents - strong, bounded, detectable

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asqav-mcp is now on Docker Hub

asqav-mcp is now on Docker Hub

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Asqav vs Microsoft Agent Governance Toolkit - what is the difference

Asqav vs Microsoft Agent Governance Toolkit - what is the difference

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Why the E8 lattice is the perfect quantizer for KV caches

Why the E8 lattice is the perfect quantizer for KV caches

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Running 1M-token context on a single GPU (the math)

Running 1M-token context on a single GPU (the math)

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NexusQuant is now on PyPI, HuggingFace, and 9 awesome lists

NexusQuant is now on PyPI, HuggingFace, and 9 awesome lists

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Why attention-aware eviction beats random eviction (with data)

Why attention-aware eviction beats random eviction (with data)

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One line of Python to extend your LLM's context window 10x

One line of Python to extend your LLM's context window 10x

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The 12 approaches I tested before finding one that works

The 12 approaches I tested before finding one that works

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NexusQuant: compressão de memória para LLMs — guia prático

NexusQuant: compressão de memória para LLMs — guia prático

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Como comprimir o KV cache do seu LLM em 33x sem treino

Como comprimir o KV cache do seu LLM em 33x sem treino

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KV cache memory calculator: how much does your LLM actually use?

KV cache memory calculator: how much does your LLM actually use?

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How to benchmark NexusQuant on your own model

How to benchmark NexusQuant on your own model

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What I Learned Testing 12 Compression Approaches That Failed

What I Learned Testing 12 Compression Approaches That Failed

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The Math Behind E8 Lattice Quantization (with Code)

The Math Behind E8 Lattice Quantization (with Code)

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6 min read
How Much GPU Memory Does NexusQuant Actually Save?

How Much GPU Memory Does NexusQuant Actually Save?

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How to deploy NexusQuant in production (and what's missing)

How to deploy NexusQuant in production (and what's missing)

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NexusQuant vs KVTC vs TurboQuant vs CommVQ — honest comparison

NexusQuant vs KVTC vs TurboQuant vs CommVQ — honest comparison

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4 min read
NexusQuant benchmarks: every number, honestly

NexusQuant benchmarks: every number, honestly

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Longer contexts are easier to compress (not harder)

Longer contexts are easier to compress (not harder)

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Why E8 lattice quantization beats scalar quantization for KV caches

Why E8 lattice quantization beats scalar quantization for KV caches

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Compress your LLM's KV cache 33x with zero training

Compress your LLM's KV cache 33x with zero training

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5 open source tools for AI agent governance in 2026

5 open source tools for AI agent governance in 2026

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5 things your AI agent should never leak (and how to detect them)

5 things your AI agent should never leak (and how to detect them)

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Add governance to Claude Desktop with an MCP server

Add governance to Claude Desktop with an MCP server

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Add governance to OpenAI Agents SDK in 3 lines

Add governance to OpenAI Agents SDK in 3 lines

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How to add tamper-evident audit trails to CrewAI agents

How to add tamper-evident audit trails to CrewAI agents

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We just launched asqav on Hacker News - quantum-safe audit trails for AI agents

We just launched asqav on Hacker News - quantum-safe audit trails for AI agents

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EU AI Act compliance checklist for AI engineering teams

EU AI Act compliance checklist for AI engineering teams

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AI agent governance tools compared - 2026 landscape

AI agent governance tools compared - 2026 landscape

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How to make your AI agent accountable in 60 seconds

How to make your AI agent accountable in 60 seconds

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AI agent compliance scanner for your CI/CD pipeline

AI agent compliance scanner for your CI/CD pipeline

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One decorator to make any Python function auditable

One decorator to make any Python function auditable

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Your MCP servers are unsigned. Here is why that matters.

Your MCP servers are unsigned. Here is why that matters.

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3 min read
Your AI agents need audit trails before August 2026. Here is how I added them in 5 lines of Python.

Your AI agents need audit trails before August 2026. Here is how I added them in 5 lines of Python.

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5 min read
Stop AI Agents from Leaking PII, Secrets, and Prompt Injections

Stop AI Agents from Leaking PII, Secrets, and Prompt Injections

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Verify AI Agent Signatures from Your Terminal

Verify AI Agent Signatures from Your Terminal

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Add Governance to LangChain, CrewAI, and LiteLLM in 3 Lines

Add Governance to LangChain, CrewAI, and LiteLLM in 3 Lines

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One Decorator to Audit Every AI Agent Call

One Decorator to Audit Every AI Agent Call

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Stop AI Agents from Leaking PII

Stop AI Agents from Leaking PII

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Your AI Agents Are Running Unsupervised

Your AI Agents Are Running Unsupervised

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How to Add Governance to Your CrewAI Agents

How to Add Governance to Your CrewAI Agents

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OWASP Top 10 for Agentic AI: How to Protect Your AI Agents

OWASP Top 10 for Agentic AI: How to Protect Your AI Agents

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Governing Multi-Agent AI Systems: Policies, Approvals, and Audit Trails

Governing Multi-Agent AI Systems: Policies, Approvals, and Audit Trails

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Quantum-Safe Signatures for AI Agents: Why ML-DSA Matters

Quantum-Safe Signatures for AI Agents: Why ML-DSA Matters

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Building a Governance MCP Server for AI Agents

Building a Governance MCP Server for AI Agents

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Adding Audit Trails to LangChain Agents with Asqav

Adding Audit Trails to LangChain Agents with Asqav

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EU AI Act Compliance for AI Agents: What Developers Need to Know

EU AI Act Compliance for AI Agents: What Developers Need to Know

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Why Your AI Agents Need an Audit Trail (and How to Add One in 5 Minutes)

Why Your AI Agents Need an Audit Trail (and How to Add One in 5 Minutes)

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