# wal.sh

> Personal website of Jason Walsh — research, events, and writing on software engineering, AI, and distributed systems.

This site supports content negotiation: request any page with `Accept: text/markdown` to receive a markdown version instead of HTML.

## Top Research

- [Local-First Software](https://wal.sh/research/local-first.html): CRDTs, Automerge, Yjs, sync engines, offline-first patterns
- [Terminal AI Agents 2025](https://wal.sh/research/2025-terminal-ai-agents/): Claude Code, Gemini CLI, Aider, MCP servers landscape
- [Claude Code with Ollama](https://wal.sh/research/claude-code-ollama): Local and cloud backends, OpenAI-compatible API
- [Cloudflare Agents Week 2026](https://wal.sh/research/2026-q2-cloudflare-agents/): Agent readiness, sandbox GA, agent memory, MCP enterprise
- [Claude Code Features Q2 2026](https://wal.sh/research/2026-q2-claude-code-features/): 1M context, hooks, skills, MCP, subagents
- [CLI Coding Agents Comparison](https://wal.sh/research/2026-q2-cli-coding-agents/): Claude Code vs Copilot vs Gemini vs Codex vs Kiro vs OpenCode
- [Claude Code Workshop](https://wal.sh/research/claude-code-workshop-2026/): Org-driven tutorial of CLI flags, slash commands, hooks, skills
- [Qwen3.6 KV Cache](https://wal.sh/research/qwen3.6-local-first-inference/): Hybrid attention + TurboQuant for local long-context inference
- [Agent Isolation with FreeBSD Jails](https://wal.sh/research/2026-agent-isolation-freebsd-jails/): Two-machine architecture, credential provenance
- [Elenctic Vibe Code Review](https://wal.sh/research/2026-elenctic-vibe-code-review/): Socratic approach to reviewing AI-generated code
- [TLA+ System Design](https://wal.sh/research/tla-plus-system-design/): Formal specification and model checking
- [Clojure + GraphQL](https://wal.sh/research/clojure-graphql): Lacinia, EDN schemas, resolver patterns
- [Diagram Generation on FreeBSD](https://wal.sh/research/diagram-generation-freebsd): Graphviz dot in org-mode, what works in batch publish

## Programming Languages

- [Rust](https://wal.sh/research/rust)
- [Python](https://wal.sh/research/python3)
- [Go](https://wal.sh/research/go)
- [TypeScript](https://wal.sh/research/effective-typescript)
- [Clojure](https://wal.sh/research/advanced-clojure)
- [Scheme](https://wal.sh/research/scheme)
- [Racket](https://wal.sh/research/racket-treelist)
- [APL](https://wal.sh/research/apl)

## New Research (May 2026)

- [REPL-Driven Flight Tracking](https://wal.sh/research/2026-repl-driven-flight-tracking/): Interactive Clojure REPL exploration of ADS-B data, FAA ground stop correlation, contract verification across data sources
- [Agent Memory Systems](https://wal.sh/research/2026-agent-memory-systems/): JITIR vs Cloudflare Sessions vs MemGPT vs Zep — reactive vs proactive memory contracts
- [Event-Driven Architectures](https://wal.sh/research/event-driven-architectures-actor-model.html): EDA + Actor Model with 2026 update (Pekko, Durable Objects, Orleans, agentic-as-actors)
- [GraphQL](https://wal.sh/research/graphql/): Library landscape (Clojure/Python/Ruby), federation, telemetry, domain modeling
- [Graphviz Deep Dive](https://wal.sh/research/graphviz/): DOT language grammar, rendering pipeline, org-babel integration, wisent parser

## Design System

- [Diagram Style Guide](https://wal.sh/research/diagram-style-guide.html): Canonical Tailwind pastel palette, six diagram archetypes
- [Dataviz Style Guide](https://wal.sh/research/dataviz-style-guide/): Chart conventions for matplotlib, gnuplot, Vega-Lite, Mermaid
- [Design System](https://wal.sh/research/design-system.html): Color palette, typography, layout, component inventory

## Events

- [GopherCon 2026](https://wal.sh/events/gophercon-2026/): Seattle, Aug 3-6. Agentic Go workshops, TypeScript 7 Go port
- [ELS 2026](https://wal.sh/events/els-2026/): European Lisp Symposium, Krakow, May 11-12
- [PLDI 2026](https://wal.sh/events/pldi-2026/): PAgE workshop on agentic engineering, Boulder, Jun 15-19
- [ICFP 2026](https://wal.sh/events/icfp-2026/): miniKanren workshop, Indianapolis, Aug 24-29
- [Tech Week Boston 2026](https://wal.sh/events/tech-week-boston-2026/): a16z AI+Infra track, May 26-31
- [BugBash 2026](https://wal.sh/events/bugbash-2026/): Antithesis software correctness conference
- [Events Index](https://wal.sh/events/)

## Agent Discovery

- [Sitemap](https://wal.sh/sitemap.xml)
- [MCP Server Card](https://wal.sh/.well-known/mcp/server-card.json)
- [Agent Skills](https://wal.sh/.well-known/agent-skills/index.json)
- [API Catalog](https://wal.sh/.well-known/api-catalog)
- [A2A Service Definition](https://wal.sh/.well-known/agents.json)

## Content Negotiation

All pages with a markdown variant support `Accept: text/markdown`. Negotiated responses include the `X-Content-Negotiated: markdown` header. Direct `.md` URLs also work (e.g., `/research/rust.md`).

## Contact

- Email: j@wal.sh
- GitHub: [jwalsh](https://github.com/jwalsh)