// projects

Things I've shipped, end to end

Not case studies of work I helped with — products I designed, built, deployed, and pay the hosting bill for.

PRODUCT // LIVE

DocFetch

An AI document collection platform. You tell it what you need and who has it — it drafts the outreach, tracks what's missing, sends reminders, and delivers an organized packet.

Planner, collector, and isolated classifier agents with bounded execution loops and restricted tool access — designed to reduce prompt-injection risk
Persistent workflow orchestration via PostgreSQL state transitions, driven by AgentMail webhooks — no polling
Stripe Checkout, subscription billing, waitlists, authentication, and privacy-first automatic document deletion
Built for loan officers, bookkeepers, closing teams, and property managers chasing paperwork by hand

Python · FastHTML · Anthropic · Supabase / PostgreSQL · AgentMail · Stripe · Fly.io

docfetch.tech ↗

OPEN SOURCE // MIT LICENSE

Aquifer

A self-hosted Go runtime built for the moment an agent's retries turn into a billing problem: an uncontrolled retry storm means repeated, wasted calls to your LLM provider — not just a reliability risk, but real spend. Aquifer queues durably, paces dispatch so retries never stampede, and verifies caller identity via the L8 protocol's public-key signatures — no shared secrets to leak.

Durable job queue with SQLite persistence and crash recovery — no external database required
Per-upstream rate limiting and dynamic pacing driven by the upstream’s own response headers
HTTP API and MCP stdio adapters, so it drops into existing agent/tool-calling stacks
L8 protocol for trustless webhook delivery using public-key crypto instead of shared secrets

Go · SQLite · MCP · Server-Sent Events

GitHub — rjpruitt16/aquifer ↗

OPEN SOURCE // MIT LICENSE

EZThrottle Local

The same problem Aquifer solves — durable, fair queuing for spiky agentic traffic — rebuilt from scratch on the BEAM in Elixir, with real-time streaming and per-tenant fairness built in from day one.

Per-tenant queue isolation (AccountQueue mode) so one account’s traffic can’t starve another’s
Live job progress over SSE, with automatic webhook fallback if a client’s stream drops
L8 protocol: Ed25519-signed webhooks instead of shared secrets — nothing to rotate or leak
Hot code reloading on the BEAM — ship an update without restarting or losing the in-memory queue

Elixir · OTP / BEAM · Ed25519 · Docker · Fly.io

GitHub — rjpruitt16/ezthrottle-local ↗