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engineering software
🛠️
engineering software
602 followers · 116 following

Achievements

Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault ContributorAchievement: Public SponsorAchievement: Pull Sharkx4Achievement: Starstruck

Achievements

Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault ContributorAchievement: Public SponsorAchievement: Pull Sharkx4Achievement: Starstruck

Highlights

Organizations

@bundler @WriteSpeakCode @urfave

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coilysiren/README.md 
$ ssh kai@kai-server

  ┌─────────────────────────────────────────────────────────┐
  │  kai-server · lights-out · uptime: ten years counting   │
  │  operator: kai siren · east bay, ca                     │
  └─────────────────────────────────────────────────────────┘

  ● platform.target - kai's lights-out factory
       Active: active (running)
       Status: "agents on shift, line is green"

  ⚙⚒ lights out, platform green, agents on the line ⚒⚙

> whoami

Hi! I'm Kai. Platform engineer, 10+ years in. Day job: accelerating engineers as their work goes agentic, with observability for LLM consumers as the current bet. Off-hours I run a small lights-out factory: single-node k3s homelab, a herd of agents building and breaking my own services in the dark, a steady output of small tools. Wire it in, instrument it, push on it until it breaks.

Most excited about Gauntlet: a two-agent adversarial loop that infers software correctness under sustained, targeted attack. - /now

> shift_report

operator:  Kai Siren
role:      Senior Platform Engineer
employer:  Kapwing
location:  East Bay, CA
shift:     lights-out
homelab:   single-node k3s on Tailscale

specialties:
  - platform / SRE
  - AI agents + MCP
  - observability
  - adversarial testing

prior_art:
  - urfave/cli maintainer
  - HHS gov site @ Nava
  - DevOps EM @ EnergyHub
  - BGP VPN @ Textio
  - Crypto product @ Callisto

> production_floor

Build What it is Status
🥊 gauntlet Two-agent adversarial loop. Infers correctness under sustained, targeted attack. RUNNING HOT
🔁 otel-a2a-relay "o2r". Relay between A2A agents that turns wire traffic into OTel spans. ACTIVE
🛰️ infrastructure Single-node k3s, GH Actions deploys, SSM-backed secrets, Tailscale. OPERATIONAL
🛡️ coily Escape-hatch-resistant CLI security boundary for privileged ops. Audit-logs everything. ACTIVE
🌱 eco-mods-public + eco-cycle-prep C# mods + Python automation for Eco via Sirens. ACTIVE
📡 eco-jobs-tracker FastAPI + HTMX dashboard of player professions. LIVE
🔌 eco-mcp-app + 📊 eco-telemetry Claude Desktop widget + OTel mod for Eco servers. WIP/ACTIVE
🧠 repo-recall + 💓 claude-code-pulse Claude Code substrate: session indexing + per-turn vitals. ACTIVE
🌌 galaxy-gen Procedural galaxy sim, Rust -> WASM. LIVE

> stack

Python, Go, TypeScript, Bash, C#. AWS, Kubernetes (k3s), Terraform, Docker, Tailscale. Prometheus, Grafana, Sentry. Claude Code, MCP.

> service_history

2025 - now    Kapwing       Senior Software Engineer
2023 - 2025   Nava          Principal Infrastructure Engineer
2022 - 2023   Textio        Staff Infrastructure Engineer
2021 - 2022   EnergyHub     DevOps Engineering Manager
2020 - 2021   Bluelink      Senior Backend Engineer
2018 - 2020   Textio        Senior Infrastructure Engineer
2016 - 2018   Callisto      Senior Software Engineer

Older: Harlot, Quirell/CollectQT, NASA Goddard. Full résumé: coilysiren.me/resume. Now: coilysiren.me/now.

> comms

coilysiren.me · Bluesky · X · LinkedIn

See also

Cross-reference convention from coilysiren/agentic-os#59.

Pinned Loading

  1. galaxy-gen galaxy-gen Public

    Procedural galaxy simulation - Rust compiled to WASM, rendered in the browser. Live at https://galaxy-gen.coilysiren.me

    TypeScript 31 2

  2. gauntlet gauntlet Public

    ⚔️🛡️🎯 Gauntlet is a two-role adversarial MCP server that infers software correctness by observing how code behaves under sustained, targeted attack. Built for dark-factory environments where code i…

    Python 1

  3. coily coily Public

    🛡️🔒📜 A CLI security boundary for privileged ops, escape-hatch-resistant and with an audit trail.

    Go 3

  4. repo-recall repo-recall Public

    🧠📚🔍 Hydration layer for agent work. Joins OTel spans, git/gh state, Claude Code sessions, and local docs context into one queryable surface (web + MCP).

    Rust 1

  5. eco-mods-public eco-mods-public Public

    Public C# gameplay mods for Eco (Strange Loop Games): BunWulf professions family, DirectCarbonCapture, MinesQuarries, ShopBoat, EcoNil, WorldCounter

    C# 3 1

  6. otel-a2a-relay otel-a2a-relay Public archive

    🔁🔗🤖 Generalized agent-activity emitter. Turns agent communication, tool use, and lifecycle into OTel spans any observability tool can render. Subsumes the agent-channel protocol. (o2r)

    Python 1