Fafa Modey
Agentic AI Engineer · Platform Engineer · Python Software Engineer
I build production LLM systems and the infrastructure underneath them.
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Selected work
Featured Projects
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Tokenria
A local tool that breaks down LLM token spend by structural category, covering cache, tools, history, and output, and separately tracks how much of what a model generates actually gets used.
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Civic Shield MCP
An AI-powered digital rights risk analyzer for activists, built as an MCP tool so it plugs directly into agentic workflows.
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Azure AI Search Agentic Retrieval
A RAG chatbot built on Azure AI Search, combining agentic retrieval with grounded, guardrailed responses.
Latest Writing &
Ideas
AI with Fafa is where I share my voice clearly, intentionally, and out loud. I write about hands-on AI engineering insights, project-based learning in public, and thoughtful perspectives on AI impact.
Read all posts →
Accountability in Agentic Workflows by Measuring Your Agents’ Performance as You Build
Measuring cost and value directly instead of guessing at both…
How Much Does It Actually Cost to Use AI?
What your LLM subscription actually buys, and what you actually use.…
Your New Engineering Teammate
Coding with AI Agents…
What Are You Really Embedding?
Notes on chunking before embeddings in Retrieval-Augmented Generation systems…
Out and about
Speaking & Events
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Your New Engineering Teammate: Working with AI Agents
A talk on treating AI agents as new engineering teammates, from onboarding them to trusting their output.
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Software Engineering to Agentic Engineering
A talk on moving from software engineering to agentic engineering, and using AI tools responsibly.
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Your New Engineering Teammate: Coding with AI Agents
A talk on what changes for an engineering team when an AI agent joins the workflow.