Skip to content
A2UISpec Library

SPEC LIBRARY

19 typed JSON specs across 8 domains. Each spec is a contract between agent and surface — emit the right type, get the right UI.

planning
MIT Card
nodus:mit-card

Most Important Task with confidence score and deadline.

MIT
Finalize Q2 product roadmap
87% confidence
Due: Tomorrow, 5 PM
planning
Action Item
nodus:action-item

Trackable task with owner, deadline and status.

Review integration test results
in progress
Platform teamDue: Friday
planning
Quick Wins
nodus:quick-wins

Ranked list of low-effort / high-impact actions.

This week's quick wins
Update deployment runbook↑ high
Add caching to slow endpoint↑ high
Archive stale Linear tickets
planning
Progress Bar
nodus:progress-bar

Inline progress indicator with semantic color states.

Sprint completion68%
decision
Approval Card
nodus:approval-card

Human-in-the-loop gate with reasoning and consequences.

Approval Required
Deploy schema migration to production
All 847 integration tests passing
Staging ran cleanly for 72h
94% confidence
decision
Form
nodus:form

Structured data-collection surface with validation.

Incident report
Incident title
Severity
Notify on-call team
briefing
Morning Briefing
nodus:morning-briefing

Daily operating surface synthesized by the briefing agent.

Tuesday, March 18
Ship the A2UI spec library
📅 10 AM — Sprint review (45 min)
Staging deploy window closes at noon
meeting
Meeting Prep
nodus:meeting-prep

Pre-meeting intelligence: agenda, attendees, risks.

Q2 Planning Kickoff
high
10:00 AM
Jordan Chen92
Alex Reyes78
meeting
Meeting Summary
nodus:meeting-summary

Post-meeting distillation with action items and decisions.

Sprint Review — Week 11
84%
Actions
Update roadmap doc
Fix flaky test suite
forms
Text Field
nodus:text-field

Single-line text input with label and validation.

Project name*
Enter project name...
Used in URLs — lowercase, no spaces.
forms
Select
nodus:select

Dropdown selection with options and helper text.

Deployment region
Select region...
3 options
forms
Checkbox
nodus:checkbox

Boolean toggle — checkbox or switch variant.

Enable distributed tracing
Adds ~2% overhead but enables full span visibility.
observability
Agent Timeline
nodus:agent-timeline

Step-by-step execution trace for a running agent task.

deploy-agent
running
Validate artifacts1.2s
Run smoke tests18s
Deploy to canary (5%)28s
Promote to full rollout
observability
Context Window
nodus:context-window

Token budget usage with breakdown by context type.

Context Window
21%
Conversation history
18.4k
Vault: Q2 roadmap.md
12.2k
get_calendar tool
6.1k
observability
Cost Dashboard
nodus:cost-dashboard

Token spend and cost breakdown by agent or session.

March 2026
$14.82
4.20M tokens
Morning briefings
$3.40
Meeting prep
$5.20
Deploy agents
$6.22
epistemics
Reasoning Tree
nodus:reasoning-tree

Structured argument showing evidence for a conclusion.

Should we roll out the new rate limiter to production today?
Yes — proceed with staged rollout
Load tests show 40% headroom at peak
No regressions in staging (72h soak)
One edge-case failure in burst tests
88% overall
epistemics
Provenance Chain
nodus:provenance-chain

Source attribution chain for an agent-generated claim.

Current MRR is $48,200 with 12% MoM growth
Sources
stripe-revenue.csv (Mar 17)
98%
analytics-agent
91%
revenue-db (prod)
99%
governance
Escalation Banner
nodus:escalation-banner

Surfaced exception requiring immediate human attention.

critical escalation47s ago
Agent halted — action requires explicit human authorization
deploy-agent was about to execute DROP TABLE on production. Guardrail triggered.
On-call engineer
governance
Learning Ledger
nodus:learning-ledger

Accumulated behavioral rules from corrections and feedback.

briefing-agent rules
Never include personal names not in vault pplgraph
correction96%×14
Label AI estimates with [AI ESTIMATE] tag
guardrail100%×41
Skip watchouts section if calendar has no conflicts
feedback78%×6
← IntroductionComposed Flows →