Tools, not just prompts
MCP servers expose your rubrics, patterns, and checklists as callable tools. The model looks up real criteria instead of guessing from training data.
Services · UX & agents
Psychology-informed UX, encoded for your agents.
We don't replace human judgment with generic AI. We encode cognitive psychology and HCI frameworks as MCP tools, configure your team's agent stack, and ship regulated product — with practitioners still accountable for the decisions that matter.
What is agentic development?
Software built by agents that act, not just answer.
Agentic development means AI systems that call tools in a loop — read your rubric, score a screenshot, edit a file, run validation — until a task is done or a human approves. It's the difference between asking ChatGPT for advice and giving an agent a goal with structured access to your frameworks.
Loops with guardrails
Agent loops run tool → result → next step with iteration limits, logging, and human gates before irreversible actions.
UX still matters
Agents accelerate review and build; cognitive psychology and HCI still govern what good product looks like. We encode that judgment into the corpus agents use.
How we help
Four ways teams work with us on AI.
Encode your frameworks
DeFi UX MCP is the reference implementation. Custom MCP servers for your compliance rubrics, design systems, or API conventions.
Learn more →
Set up your agent stack
Workshop for teams learning agents. One-week setup engagement for repos, CI hooks, Cursor rules, and agent loop blueprints.
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Review with agents + humans
Agent-assisted UX audits with practitioner sign-off. Monthly retainer for teams shipping weekly.
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Ship agent-native product
Full engagements: research through deployment, with agent loops in your product — not just in your IDE.
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Productized offerings
Buy directly or start bespoke.
These map to product pages you can book or enquire about today. Bespoke agent builds and full product engagements start via the contact form.
- MCP server
DeFi UX MCP
Five tools, an opinionated 8-area rubric, 10 named patterns, and a cognitive-bias glossary — installable in under two minutes. Free tier today; premium tier with screenshot-based audits and 50+ patterns on the way.
Install in 2 minutes →
- Digital kit
Agent Setup Kit
Playbooks, templates, and config files. Sign in with your access token after checkout — no booking required.
Buy & get access →
- AI service
Custom MCP Server
Two to six weeks. TypeScript MCP server, client configs, documentation, and handover. Built on the same architecture as DeFi UX MCP.
Start a conversation →
- Digital kit
Agentic Development Setup Kit
Day-by-day guides, CI templates, and blueprint docs. Pay once — access your library by email token.
Buy & get access →
- AI retainer
AI UX Review Retainer
Two review cycles per month. Agents score against the rubric; L-LINE DIGITAL practitioners sign off.
Join the waitlist →
Common questions.
- What is MCP?
- Model Context Protocol — an open standard that lets AI clients like Cursor and Claude Desktop call external tools. L-LINE DIGITAL's DeFi UX MCP exposes an 8-area UX rubric, named patterns, and a cognitive-bias glossary as five queryable tools.
- How is this different from AI consulting?
- We deliver working MCP servers, merged repo config, and scored audits — not slide decks. Our differentiation is UX depth: the corpus agents use is grounded in HCI and cognitive psychology, not generic best practices.
- Should we use DeFi UX MCP or build custom?
- DeFi and Web3 teams should start with DeFi UX MCP (free tier installs in two minutes). Regulated FinTech, insurance, or internal platform teams typically need custom MCP encoding their own rubrics — that's the custom MCP server product.
- What about data privacy?
- Free-tier MCP runs locally over stdio — no data leaves your machine per tool call. Hosted and Pro tiers use API-key auth; bespoke builds follow your data residency requirements.
Get started
Tell us where you are on the agent curve.
Exploring MCP for the first time, or ready to wire agents into CI? Book a workshop, enquire about a custom server, or send a message — we respond within two working days.