Open Source
Public repositories and packages I build in the open — a published npm ERP approval engine, a Claude Code plugin marketplace, and working tools across AI, DevOps, backend and SEO.
Featured
hierarchical-approval
TypeScript-first hierarchical approval engine for ERP developers — optimistic locking, idempotency, audit trails, in-memory and PostgreSQL backends, with a NestJS adapter.
claude-code-plugins
A Claude Code plugin marketplace: 20 plugins for agentic workflows - skills, verification, code review, agent orchestration, loops, and cost control.
AI & LLM Engineering
RAG pipelines, prompt tooling, LLM gateways and agentic workflows — the retrieval, evaluation and guardrails behind production AI.
claude-code-plugins
A Claude Code plugin marketplace: 20 plugins for agentic workflows - skills, verification, code review, agent orchestration, loops, and cost control.
llm-prompt-lab
TypeScript prompt-engineering toolkit: templating, token estimation, and an eval harness.
semantic-doc-search
Embeddings-based semantic search over a docs corpus, served with FastAPI.
rag-runbook-assistant
RAG assistant that answers on-call questions from your runbooks using the Claude API.
rag-eval-toolkit
Offline evaluation toolkit for RAG pipelines: retrieval hit-rate, MRR, and answer-faithfulness checks.
prompt-guard
Detect prompt-injection, jailbreak patterns, and PII in LLM inputs before they reach the model.
ai-gateway
A lightweight LLM API gateway: multi-provider routing, response caching, retries, and token/cost accounting.
ml-anomaly-detector
AIOps service that detects anomalies in operational metrics with Isolation Forest.
mlops-model-serving
Train, containerize, and serve an ML model behind a REST API with metrics, K8s manifests, and CI.
DevOps, Cloud & IaC
Terraform starters, Kubernetes tooling, GitOps and observability stacks, plus FinOps and SLO tracking for running services in production.
terraform-aws-eks-starter
Opinionated Terraform starter for an Amazon EKS cluster with VPC and managed node group.
k8s-observability-stack
Ready-to-run Prometheus + Grafana + Loki observability stack with dashboards and alerts.
gitops-argocd-demo
GitOps app-of-apps with Argo CD and Kustomize base + dev/prod overlays.
github-actions-cicd-templates
Reusable GitHub Actions workflows for CI/CD and DevSecOps.
slo-error-budget-tracker
Compute SLO compliance and error-budget burn-rate from metrics, with an alerting report.
k8s-rightsizer
Analyze Kubernetes resource requests vs. usage and recommend right-sized requests and limits.
cloud-cost-insights
FinOps CLI that turns a cloud cost export into spend analysis and savings recommendations.
Backend & APIs
Auth gateways, rate limiting, feature flags and reliable webhook delivery — the load-bearing middleware behind an API.
api-rate-limiter
Token-bucket rate-limiting middleware for FastAPI with pluggable backends.
feature-flags-service
A lightweight feature-flag service with a REST API and SDK.
oidc-sso-gateway
A small OpenID Connect single-sign-on gateway demo.
jwt-auth-service
JWT issuance and validation microservice with refresh-token rotation.
webhook-dispatcher
Reliable webhook delivery with retries, exponential backoff, and HMAC signing.
oauth2-connector
Reusable OAuth2 client (authorization code + PKCE) with Google and GitHub presets.
ERP
The building blocks behind enterprise finance systems, published for other ERP developers to reuse.
SEO & GEO Tooling
Structured-data, sitemap and Core Web Vitals tools, plus optimizers for how AI answer engines read and cite a site.
llms-txt-generator
Generate an llms.txt file so AI crawlers can understand and cite your site.
faq-schema-generator
Generate LLM-friendly FAQ / HowTo schema.org markup from your content.
structured-data-validator
Validate JSON-LD / schema.org structured data extracted from a page.
seo-meta-analyzer
Audit a page's meta / Open Graph / heading tags and get an actionable SEO score.
geo-content-optimizer
Score and improve content for AI answer engines (Generative Engine Optimization) using the Claude API.
core-web-vitals-reporter
Turn a Lighthouse JSON report into a Core Web Vitals summary with fixes.