Examples

57 working examples, from hello world to a team of agents that builds a spreadsheet engine from a spec. The test suite runs every one. Each page has the full source; open any of them in the playground.

	Example
01	Hello World - Core Concepts
02	Policies - Safety & Constraints	policies
03	Tools - External Integrations	policies
04	Pipeline Params & Context	policies
05	Fan-Out - Parallel Execution	policies |* parallel
06	Gates - Conditional Execution	policies
07	Interrupts & Listeners - Human-in-the-Loop	policies |! people
08	Store - Persist Data Across Runs	policies
09	Directives - Build/Runtime Modifiers	policies
10	Named Arguments
11	Context Data Flow
12	Multiple Agents in One Pipeline
13	Deep Context Paths
14	Environment Variables	policies
15	Shadow Directive (A/B Testing)
16	Retry & Checkpoint Directives
17	REST Tool Usage	policies
18	VectorStore Operations
19	System Prompts
20	ROLE: Founder / CEO	policies |* parallel
21	ROLE: Software Engineer	policies |* parallel |! people
22	ROLE: UX Designer	policies
23	ROLE: UX Researcher	policies |* parallel |! people
24	ROLE: QA Engineer	policies
25	ROLE: Product Manager	policies |! people
30	CONTROL: Enterprise Content Moderation Pipeline	policies |! people
31	POWER: Multi-Agent Intelligence Swarm	policies |* parallel |! people
32	EXAMPLE: Adapter & Router System Demo
33	33-human-in-the-loop.halo	|! people
34	34-database-tools.halo
35	35-omni-agent.halo	|! people
36	Struct Schema Validation	policies
37	Persistent Store Engine
38	Local Automation & Web Fetching
40	MARKET: Healthcare — Patient Intake Processing	policies |* parallel |! people
41	MARKET: Legal — Contract Review & Risk Assessment	policies |* parallel |! people
42	MARKET: E-commerce — Returns Fraud Detection & Processing	policies |* parallel |! people
43	MARKET: Fintech — KYC/AML Compliance Pipeline	policies |* parallel |! people
44	MARKET: Real Estate — Listing Intelligence & Lead Scoring	policies |* parallel
45	MARKET: Insurance — Claims Processing & Fraud Detection	policies |* parallel |! people
46	MARKET: Recruitment — Screening & Interview Pipeline	policies |* parallel |! people
50	GitHub Issue Triage	policies |* parallel |! people
60	HR: Applicant screening with a human decision	policies |* parallel |! people
61	Schools: Draft essay feedback for a teacher to approve	policies |* parallel |! people
62	Shopping: Restock within a budget, with your approval	policies |! people
63	Management: Weekly team report	policies |* parallel |! people
64	Sports: Opponent scouting report	policies |* parallel
65	Esports: Dota 2 match review	policies |* parallel
66	Cooking: Weekly meal plan that never includes your allergens	policies |<> loops
70	Halo on Halo: describe a workflow, get a validated pipeline	policies |<> loops |* parallel |! people
71	Developer: Dependency security watch	policies |* parallel
72	Public safety: FDA recall monitor	policies |! people
73	Developer: write code until the tests pass	policies |<> loops
74	A software team: plan, build modules in parallel, integrate, fix	tools: policies |<> loops |* parallel
75	A research assistant that chooses its own tools, within limits	tools: policies
76	Watch something, and react with a decision, not a guess	policies |! people
99	CUSTOM DEMO: Halo DSL	policies |* parallel