memory-arena: 20 agent-memory strategies, one eval
Twenty memory strategies through one lifecycle, one judge, one model. A 30-line vector store outranks every funded vendor SDK.
- ai
- memory
- benchmark
- case-study
Writing
Case studies and notes on the tools I build.
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leaves-ph: measuring Metro Manila's tree canopy from orbit
A human-calibrated Sentinel-2 canopy model for 17 NCR LGUs, 2019 to 2026, scored F1 0.78 against hand-labeled pixels.
- civic-tech
- satellite
- case-study
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sinkmap-ph: how fast Philippine cities are sinking
Land subsidence for seven cities from Sentinel-1 InSAR, 2016 to 2025, mapped next to where the floods actually hit.
- civic-tech
- satellite
- case-study
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dataviz-ph: did public-works money go where the poverty was?
Animated bubble charts joining PHP 5 trillion of contract awards to poverty and GDP across 82 areas, 2014 to 2024.
- civic-tech
- data-viz
- case-study
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pip-skill: build an AI skill from a package's real signatures
Turn any installed Python package into a coding-assistant skill from inspect.signature. Offline, no API key, no LLM in the loop.
- ai
- developer-tools
- case-study
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Benchmark before you ship
Why I keep building benchmark harnesses before I build the feature.
- ai
- benchmark
- patterns
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The country adapter pattern for civic-tech
Where the per-country plumbing goes, and how to keep the core pipeline portable.
- civic-tech
- patterns
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floodwatch-ph: two-track flood mapping for the Philippines
Sentinel-1 SAR for what flooded, AlphaEarth for what recurs, reported as separate metrics.
- civic-tech
- satellite
- case-study
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The satellite-tech stack I keep reaching for
Three civic-tech projects on the same substrate: Earth Engine, a frozen encoder or spectral index, a small classifier, Platt calibration, deterministic Docker.
- civic-tech
- satellite
- patterns
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solar-map-ph: rooftop solar detection on free satellite imagery
Frozen CLIP-ViT-L plus a logistic-regression head plus Platt calibration. F1 0.87 on a held-out NCR split.
- civic-tech
- satellite
- case-study
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What free satellite imagery can and cannot see
Three projects in, here is the scope of claim on Sentinel-1, Sentinel-2, and AlphaEarth.
- satellite
- patterns
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Who I Am
About me.
- about
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Cloudwright: natural-language cloud architecture
What cloudwright generates from a one-line prompt and why it matters.
- ai
- infrastructure
- case-study
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Benchmarking AI coding workflows, not just models
100 tasks, sigmoid scoring, 12 capability dimensions. What the workflow benchmark actually measures.
- ai
- benchmark
- case-study
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kb-arena: which retrieval strategy wins on what data
A side-by-side benchmark of seven retrieval strategies on user-supplied corpora.
- ai
- rag
- benchmark
- case-study
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paper-trail-ph: cross-referencing four Philippine government databases
What you can see in a graph that you can't see across four separate systems.
- civic-tech
- graph
- case-study
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ghostwatch: satellite verification of completed government infrastructure
DPWH says the project is done. Sentinel-2 says nothing was built.
- civic-tech
- satellite
- case-study
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ph-civic-data-mcp: 25 tools, 10 sources, zero API keys
An MCP server that puts Philippine civic data inside any agent.
- mcp
- civic-tech
- case-study
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airgap: a customer-support bot that runs on the device
Why on-device LLMs make sense for regulated enterprise support, and what shipping one looks like.
- ai
- on-device
- react-native
- case-study