TANNER CAFFREY
Backend engineer. 7+ years.
RIT — Computer Science, Sociology & Anthropology
Boston · they/he/any
Crafting software with care and transparency.
Fiddling with and breaking computers ever since I could keymash.
Cares deeply about our personal and cultural relationships to whatever 'technology' is.
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github
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bluesky
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linkedin
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email




CAIRN

Digital shrine platform built on ATProto. View, create, and interact with cairns to gain blessings to carry with you (in your repo).
TypeScript Next.js ATProto

AMPELOS

Modular MCP framework for stateful, self-modifying AI agents — persistent, agent-scoped tools and state for Letta agents.
Upstream, too: merged PRs into Letta itself — bug fixes and features — plus issue diagnoses adopted by the core team.
TypeScript MCP Letta-AI
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source

INFRASTRUCTURE

Self-hosted network running multiple public ATProto PDSes across independent domains — the protocol's OAuth stack in production. UniFi, Caddy, Cloudflare Tunnels, and split-horizon DNS underneath.
ATProto Caddy Networking




EXPERIENCE
FOCUS


LANGUAGES
OTHERWISE