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Field notes from building AI in production.
Daily case studies, deep-dives, and operator-grade write-ups on AI engineering, DevOps, and the messy reality of shipping software that touches LLMs. Written from the cab, the office, and the trenches — by Jeremy Longshore at Intent Solutions.
Recent posts
The Two Postgres Bugs the Tests Caught: A Real-DB Integration Test Case Study
A no-mocks testcontainers policy caught two production-fatal Postgres bugs in one test run — PG 15's schema USAGE removal and an asymmetric SELECT grant for a state-machine-driving sink.
ReadGuidewire MCP v0.1.0: Carrier-Native Server Blueprint
How v0.1.0 of guidewire-mcp-for-claude shipped six foundation packages, five carrier-vocabulary tools, and a 30k-word blueprint in one day.
ReadAn Anti-Slop Framework Found Three Bugs Inside Itself on Day One
A 41-gate anti-slop framework shipped v0.1.0, then found three silent failure modes inside its own gates within hours of release.
ReadFour production deploy gotchas: systemd, V8 JIT, tsc noEmit, Caddy
A mandy dashboard cutover surfaced four cross-layer deploy gotchas in fifteen minutes: tsc noEmit, systemd MemoryDenyWriteExecute vs V8 JIT, and two Caddy traps.
ReadEight Deploy Iterations: Tailscale OIDC + Reusable Workflow
8 GitHub Actions iterations to land Tailscale OIDC + a cross-repo reusable workflow. P2 and P5 of VPS-as-the-Home, with the plan rewrite that held the line.
ReadPropagation Day: When the CLAUDE.md Spec Becomes the Migration Plan
Three CLAUDE.md spec entries hit critical mass on the same day across nine repos. The lesson is not the volume — it is that writing the spec first turned propagation from toil into a script run.
ReadForty-Four Minutes Before First Pitch: An LLM Fallback Chain and a Live Probability Gauge in One Session
Groq quota died 44 minutes before a live broadcast. The fix was a 4-tier LLM fallback chain ending in a facts-only renderer. Then we shipped JChad's Challenge in the same session.
ReadSeries & ecosystems
MCP for Beginners
End-to-end Model Context Protocol curriculum — solutions in Python, TypeScript, Java, Rust, C#, .NET — translated across six languages.
Agentic Design Patterns
Patterns and anti-patterns for production agent systems. Decision frameworks, prompt scaffolds, evaluation harnesses.
Tiny Recursive Models
Building small recursive systems where simple loops compose into emergent behavior. Series in progress.
IRSB Ecosystem
Intent Solutions release tooling — the open-source family of plugins, skills, and packages.
Wild Ecosystem
The shared-GCP, multi-MCP family of standalone integrations powered by a common platform spine.
Research & Curriculum
Long-form research articles, learning paths, and reading lists for the AI builder community.
Retrospectives
April 2026: Tier 3 Finds Its Footing — Eight Case Studies, the Audit Harness Ships, and the Schema Postmortem
April 2026 retrospective — 30 posts, 162 commits, eight Tier 3 case studies (the first real month of Tier 3 publishing), audit-harness v0.1.0 shipped, the rubric-on-spec postmortem set the architectural rule, and the daily classification pipeline ran clean for half the month.
March 2026March 2026: 35 Posts, the Eval Framework That Shipped 10 Epics in a Day, and a Meta-Milestone
March 2026 retrospective — 35 posts published, 340 commits, j-rig binary eval framework shipped 10 epics in one day, and the tier classification system itself was designed and built.