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"The Backyard Quarry, Part 7: Systems Beyond the Backyard", "url": "https://www.kenwalger.com/blog/data-engineering/system-design-patterns-real-world-data-platforms/", "published_at": "2026-04-28T16:15:00+00:00" }, { "id": "01a0bb6d-ebe9-711f-81fb-cffb7e03dd89", "title": "The Accountant: Optimizing AI Costs with Semantic Routing", "url": "https://www.kenwalger.com/blog/ai/the-accountant-optimizing-ai-costs-with-semantic-routing/", "published_at": "2026-04-23T16:08:00+00:00" }, { "id": "01a0bb6d-ebe9-711f-81fb-cffb7e0e9935", "title": "The Backyard Quarry, Part 6: Scaling the Quarry", "url": "https://www.kenwalger.com/blog/data-engineering/scaling-data-pipelines-physical-objects/", "published_at": "2026-04-21T16:51:00+00:00" }, { "id": "01a0bb6d-ebe9-711f-81fb-cffb7e2ae061", "title": "Who Audits the Auditors? Building an LLM-as-a-Judge for Agentic Reliability", "url": "https://www.kenwalger.com/blog/ai/ai-agent-reliability-llm-as-a-judge/", "published_at": "2026-04-16T16:05:00+00:00" }, { "id": "01a0bb6d-ebe9-711f-81fb-cffb7e3e2955", "title": "The Backyard Quarry, Part 5: Digital Twins for Physical Objects", "url": "https://www.kenwalger.com/blog/data-engineering/digital-twins-physical-objects-explained/", "published_at": "2026-04-14T16:28:00+00:00" }, { "id": "01a0bb71-b5d9-7095-a5c5-a46ab37a5b8b", "title": "The Backyard Quarry, Part 4: Searching a Pile of Rocks", "url": "https://www.kenwalger.com/blog/data-engineering/searching-physical-objects-data-indexing/", "published_at": "2026-04-07T16:19:00+00:00" }, { "id": "01a0bb71-b5d9-7095-a5c5-a46ab443fd47", "title": "Building Your First MCP Server: TypeScript vs. Python", "url": "https://www.kenwalger.com/blog/ai/mcp-quickstart-typescript-vs-python/", "published_at": "2026-04-06T17:53:27+00:00" }, { "id": "01a0bb71-b5d9-7095-a5c5-a46ab540c0cc", "title": "The Final Boss: Enterprise Governance & Scalability", "url": "https://www.kenwalger.com/blog/ai/the-final-boss-enterprise-governance-scalability/", "published_at": "2026-04-02T17:05:00+00:00" }, { "id": "01a0bb71-b5d9-7095-a5c5-a46ab5cb4c67", "title": "The Backyard Quarry, Part 3: Capturing the Physical World", "url": "https://www.kenwalger.com/blog/data-engineering/capturing-physical-objects-data-pipeline/", "published_at": "2026-03-31T16:23:23+00:00" }, { "id": "01a0bb71-b5d9-7095-a5c5-a46ab6013849", "title": "From Cloud to Laptop: Running MCP Agents with Small Language Models", "url": "https://www.kenwalger.com/blog/ai/from-cloud-to-laptop-running-mcp-agents-with-small-language-models/", "published_at": "2026-03-26T16:58:59+00:00" }, { "id": "01a0bb71-b5d9-7095-a5c5-a46ab6980abe", "title": "The Backyard Quarry, Part 2: Designing a Schema for Physical Objects", "url": "https://www.kenwalger.com/blog/data-engineering/designing-a-schema-for-physical-objects/", "published_at": "2026-03-24T16:00:32+00:00" }, { "id": "01a0bb71-b5d9-7095-a5c5-a46ab737d98d", "title": "The Forensic Team: Architecting Multi-Agent Handoffs with MCP", "url": "https://www.kenwalger.com/blog/ai/mcp-multi-agent-orchestration-forensics/", "published_at": "2026-03-19T16:32:31+00:00" }, { "id": "01a0bb71-b5d9-7095-a5c5-a46ab7e1e3e8", "title": "The Backyard Quarry: Turning Rocks Into Data", "url": "https://www.kenwalger.com/blog/software-engineering/the-backyard-quarry-turning-rocks-into-data/", "published_at": "2026-03-17T16:16:00+00:00" }, { "id": "01a0bb71-b5d9-7095-a5c5-a46ab8dc96c2", "title": "The End of Glue Code: Why MCP Is the USB-C Moment for AI Systems", "url": "https://www.kenwalger.com/blog/ai/mcp-usb-c-moment-ai-architecture/", "published_at": "2026-03-09T13:31:32+00:00" }, { "id": "01a0bb71-b5d9-7095-a5c5-a46ab97e0227", "title": "Get Cooking with ChatGPT", "url": "https://www.kenwalger.com/blog/python/%ef%bf%bcget-cooking-with-chatgpt/", "published_at": "2023-02-10T23:10:15+00:00" }, { "id": "01a0bb75-29fc-70bd-885f-35366df3b3be", "title": "Assignment Operators in R – Which One to Use and Where", "url": "https://www.kenwalger.com/blog/uncategorized/assignment-operators-r/", "published_at": "2023-02-10T22:54:06+00:00" }, { "id": "01a0bb75-29fc-70bd-885f-35366e7a1bbe", "title": "Building with Patterns: A Summary", "url": "https://www.kenwalger.com/blog/nosql/mongodb/building-with-patterns-a-summary/", "published_at": "2019-05-10T15:38:16+00:00" }, { "id": "01a0bb75-29fc-70bd-885f-35366ede9752", "title": "Building with Patterns: The Schema Versioning Pattern", "url": "https://www.kenwalger.com/blog/nosql/mongodb/building-with-patterns-the-schema-versioning-pattern/", "published_at": "2019-05-02T14:19:11+00:00" }, { "id": "01a0bb75-29fc-70bd-885f-35366f110fc2", "title": "Building with Patterns: The Document Versioning Pattern", "url": "https://www.kenwalger.com/blog/nosql/mongodb/building-with-patterns-the-document-versioning-pattern/", "published_at": "2019-04-18T14:07:33+00:00" }, { "id": "01a0bb75-29fc-70bd-885f-35366f54b7a9", "title": "Building with Patterns: The Preallocation Pattern", "url": "https://www.kenwalger.com/blog/nosql/mongodb/building-with-patterns-the-preallocation-pattern/", "published_at": "2019-04-11T13:56:56+00:00" }, { "id": "01a0bb75-29fc-70bd-885f-35366fac1625", "title": "Building with Patterns: The Tree Pattern", "url": "https://www.kenwalger.com/blog/nosql/mongodb/building-with-patterns-the-tree-pattern/", "published_at": "2019-04-04T14:24:50+00:00" }, { "id": "01a0bb75-29fc-70bd-885f-35366fb460c7", "title": "Building with Patterns: The Approximation Pattern", "url": "https://www.kenwalger.com/blog/nosql/mongodb/building-with-patterns-the-approximation-pattern/", "published_at": "2019-03-29T14:13:44+00:00" }, { "id": "01a0bb75-29fc-70bd-885f-3536709199c4", "title": "Building with Patterns: The Extended Reference Pattern", "url": "https://www.kenwalger.com/blog/nosql/mongodb/building-with-patterns-the-extended-reference-pattern/", "published_at": "2019-03-15T13:22:04+00:00" }, { "id": "01a0bb75-29fc-70bd-885f-35367144a367", "title": "Building with Patterns: The Subset Pattern", "url": "https://www.kenwalger.com/blog/nosql/mongodb/building-with-patterns-the-subset-pattern/", "published_at": "2019-03-08T19:19:51+00:00" }, { "id": "01a0bb75-29fc-70bd-885f-353671f67287", "title": "Building with Patterns: The Computed Pattern", "url": "https://www.kenwalger.com/blog/nosql/mongodb/building-with-patterns-the-computed-pattern/", "published_at": "2019-02-28T14:25:39+00:00" }, { "id": "01a0bb78-6747-7346-9b63-cf9c2cfdcd42", "title": "Building With Patterns: The Outlier Pattern", "url": "https://www.kenwalger.com/blog/nosql/mongodb/building-with-patterns-the-outlier-pattern/", "published_at": "2019-02-21T14:31:25+00:00" }, { "id": "01a0bb78-6747-7346-9b63-cf9c2d9390b3", "title": "Building With Patterns: The Bucket Pattern", "url": "https://www.kenwalger.com/blog/nosql/mongodb/mongodb-schema-design-patterns-the-bucket-pattern/", "published_at": "2019-02-14T15:30:22+00:00" }, { "id": "01a0bb78-6747-7346-9b63-cf9c2e273e5f", "title": "Building With Patterns: The Attribute Pattern", "url": "https://www.kenwalger.com/blog/nosql/mongodb/mongodb-attribute-design-pattern/", "published_at": "2019-02-07T14:03:12+00:00" }, { "id": "01a0bb78-6747-7346-9b63-cf9c2e631664", "title": "Building With Patterns: The Polymorphic Pattern", "url": "https://www.kenwalger.com/blog/nosql/mongodb/mongodb-schema-design-patterns-polymorphic/", "published_at": "2019-01-31T15:03:58+00:00" }, { "id": "01a0bb78-6747-7346-9b63-cf9c2e6907eb", "title": "MongoDB’s BI Connector: The Smart Connector for Business Intelligence", "url": "https://www.kenwalger.com/blog/nosql/mongodb/mongodbs-smart-bi-connector/", "published_at": "2018-11-23T15:19:10+00:00" }, { "id": "01a0bb78-6747-7346-9b63-cf9c2f2ff18d", "title": "MongoDB Atlas Data Explorer", "url": "https://www.kenwalger.com/blog/nosql/mongodb/mongodb-atlas-data-explorer/", "published_at": "2018-11-22T14:28:36+00:00" }, { "id": "01a0bb78-6747-7346-9b63-cf9c2fef2c07", "title": "Reducing the Need for ETL with MongoDB Charts", "url": "https://www.kenwalger.com/blog/nosql/mongodb/reducing-need-etl-mongodb-charts/", "published_at": "2018-11-20T16:27:15+00:00" }, { "id": "01a0bb78-6747-7346-9b63-cf9c3031d68e", "title": "Visualizing Your Data With MongoDB Charts", "url": "https://www.kenwalger.com/blog/nosql/mongodb/visualizing-data-mongodb-charts/", "published_at": "2018-11-12T16:06:35+00:00" } ] posts Claim your blog

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2026

I Pulled Nine Years of My Own Dev.to Data. The Numbers Were Not What I Expected.original ↗

24 Sept 2026

Memory Is a System, Not a Prompt: Putting the Stack to Work original ↗

22 Sept 2026

Frameworks Are Institutional Memory original ↗

17 Sept 2026

The Hidden Taxes of Prompt-Only AI original ↗

15 Sept 2026

Living a Colorful Life in a Black-and-White ATS World original ↗

14 Sept 2026

The Contract Discovery Bottleneck original ↗

10 Sept 2026

The Verification Bottleneck in AI-Generated Software original ↗

9 Sept 2026

Context Hydration: When Memory Becomes Voice original ↗

8 Sept 2026

Can Rust Make Unsafe AI Agent Actions Unrepresentable?original ↗

6 Sept 2026

Forensic Receipts: From Trusted to Proven original ↗

3 Sept 2026

Your Hiring Process Needs HTTP Status Codes original ↗

26 Aug 2026

Your AI Agent Shouldn’t Be Allowed to Write Whatever It Wants original ↗

25 Aug 2026

Write-Side Custody: Trust Begins Before Memory original ↗

24 Aug 2026

Designing a Reasoning Ledger Record original ↗

22 Aug 2026

Your Memory API Is Lying to Your Agent original ↗

20 Aug 2026

The Reasoning Ledger: Remembering Decisions, Not Just Data original ↗

20 Aug 2026

You Don’t Need a Ministry of Truth to Build a Memory Hole original ↗

19 Aug 2026

The Kitchen Doesn’t Care About Your Excuses original ↗

17 Aug 2026

Durable Memory: Why Vector Databases Aren’t Enough original ↗

13 Aug 2026

The Build-Optimizer original ↗

13 Aug 2026

Material Provenance original ↗

6 Aug 2026

The Master Woodworker original ↗

30 Jul 2026

Active Working Memory: The RAM of Agentic Systems original ↗

28 Jul 2026

The Resilient Farm original ↗

23 Jul 2026

The Context Window Isn’t Memory. It’s the CPU Cache of AI.original ↗

22 Jul 2026

The Supply Chain Guardian original ↗

16 Jul 2026

The Pivot Engine original ↗

9 Jul 2026

The Agent Tool-Calling Pattern original ↗

3 Jul 2026

The Field Agent original ↗

2 Jul 2026

Declarations from the Periphery: From Genesis to the Sovereign Edge original ↗

2 Jul 2026

A Cold Root Beer and a Small System original ↗

1 Jul 2026

The Hybrid Retrieval Pattern original ↗

30 Jun 2026

The Scribe’s Day Off: From 1880 Archives to 2026 Vines original ↗

30 Jun 2026

The New Information Borders original ↗

29 Jun 2026

The Future of SEO Has Nothing to Do With Search original ↗

27 Jun 2026

Mapping the Social Graph original ↗

25 Jun 2026

The Sovereign Scout: Tracking 2026 Pitching Performance original ↗

23 Jun 2026

Introducing LaaSy™original ↗

22 Jun 2026

Engineering the Knowledge Archive original ↗

18 Jun 2026

Expanding the Sovereign AI Stack: Moving the Specification from Gateway to Local Silicon original ↗

16 Jun 2026

The Death of Note-Taking and the Rise of the Digital Scribe original ↗

11 Jun 2026

MCP Is the USB-C of AI. So Why Are You Plugging Everything In?original ↗

10 Jun 2026

Sovereign Synapse: The Local Brain — First Light original ↗

9 Jun 2026

The Long Way Around original ↗

9 Jun 2026

The Context Compression Pattern original ↗

5 Jun 2026

The Sovereign Vault — A Comprehensive Guide to Protocol-Driven AI original ↗

4 Jun 2026

Operating Real-Time AI: SLAs, Observability, and Knowing When It’s Broken original ↗

3 Jun 2026

Sovereign Synapse: The Context Cleaner original ↗

2 Jun 2026

Shipping Sovereign SDK: Cryptographic Forensic Receipts and the End of the AI “Prose Tax”original ↗

29 May 2026

The Sovereign Vault: Building High-Integrity AI with MCP & Local Vision original ↗

28 May 2026

Beyond the Hype: Announcing the Open Source Sovereign Systems Specification & Pattern Library original ↗

27 May 2026

Vector Search at Scale: Why Your Index Isn’t as Healthy as You Think original ↗

27 May 2026

The Sourdough Manifesto original ↗

26 May 2026

The Speculative Decoding Pattern original ↗

22 May 2026

The Auditor — High-Reasoning Synthesis and the Ethics of Governance original ↗

21 May 2026

The Feature Store: Consistency and Latency Are Both Non-Negotiable original ↗

20 May 2026

Sovereign Synapse: The Great Export original ↗

19 May 2026

The Sovereign Redactor — A Precision-Guided Privacy Airlock original ↗

14 May 2026

Feature Freshness: Designing Pipelines That Keep Up With the World original ↗

13 May 2026

Engineering Agent Memory original ↗

12 May 2026

The Inference Renaissance original ↗

8 May 2026

The Local Eye (Sovereign Vision)original ↗

7 May 2026

Why Your Tech Stack Doesn’t Matter original ↗

6 May 2026

When Your AI Pipeline Grows Up: Infrastructure Thinking for Real-Time Inference at Scale original ↗

6 May 2026

The Backyard Quarry, Part 8: From Rocks to Reality original ↗

5 May 2026

The Guardian: Human-in-the-Loop AI Governance original ↗

30 Apr 2026

What I’ve Been Building: Systems, AI, and Real-World Data original ↗

29 Apr 2026

The Backyard Quarry, Part 7: Systems Beyond the Backyard original ↗

28 Apr 2026

The Accountant: Optimizing AI Costs with Semantic Routing original ↗

23 Apr 2026

The Backyard Quarry, Part 6: Scaling the Quarry original ↗

21 Apr 2026

Who Audits the Auditors? Building an LLM-as-a-Judge for Agentic Reliability original ↗

16 Apr 2026

The Backyard Quarry, Part 5: Digital Twins for Physical Objects original ↗

14 Apr 2026

The Backyard Quarry, Part 4: Searching a Pile of Rocks original ↗

7 Apr 2026

Building Your First MCP Server: TypeScript vs. Python original ↗

6 Apr 2026

The Final Boss: Enterprise Governance & Scalability original ↗

2 Apr 2026

The Backyard Quarry, Part 3: Capturing the Physical World original ↗

31 Mar 2026

From Cloud to Laptop: Running MCP Agents with Small Language Models original ↗

26 Mar 2026

The Backyard Quarry, Part 2: Designing a Schema for Physical Objects original ↗

24 Mar 2026

The Forensic Team: Architecting Multi-Agent Handoffs with MCP original ↗

19 Mar 2026

The Backyard Quarry: Turning Rocks Into Data original ↗

17 Mar 2026

The End of Glue Code: Why MCP Is the USB-C Moment for AI Systems original ↗

9 Mar 2026

2023

Get Cooking with ChatGPT original ↗

10 Feb 2023

Assignment Operators in R – Which One to Use and Where original ↗

10 Feb 2023

2019

Building with Patterns: A Summary original ↗

10 May 2019

Building with Patterns: The Schema Versioning Pattern original ↗

2 May 2019

Building with Patterns: The Document Versioning Pattern original ↗

18 Apr 2019

Building with Patterns: The Preallocation Pattern original ↗

11 Apr 2019

Building with Patterns: The Tree Pattern original ↗

4 Apr 2019

Building with Patterns: The Approximation Pattern original ↗

29 Mar 2019

Building with Patterns: The Extended Reference Pattern original ↗

15 Mar 2019

Building with Patterns: The Subset Pattern original ↗

8 Mar 2019

Building with Patterns: The Computed Pattern original ↗

28 Feb 2019

Building With Patterns: The Outlier Pattern original ↗

21 Feb 2019

Building With Patterns: The Bucket Pattern original ↗

14 Feb 2019

Building With Patterns: The Attribute Pattern original ↗

7 Feb 2019

Building With Patterns: The Polymorphic Pattern original ↗

31 Jan 2019

2018

MongoDB’s BI Connector: The Smart Connector for Business Intelligence original ↗

23 Nov 2018

MongoDB Atlas Data Explorer original ↗

22 Nov 2018

Reducing the Need for ETL with MongoDB Charts original ↗

20 Nov 2018

Visualizing Your Data With MongoDB Charts original ↗

12 Nov 2018