1. Introduction
3. Set it up
4. Install
5. Your first program
6. The three lifecycles
7. Talking to Tangle
9. Build something real
10. Working in the graph
11. Connecting an account
12. A public address
13. Putting a person in the loop
15. The language
16. How a program runs
17. Syntax
18. Types
19. Groups
20. Loops
21. Streams and buses
22. Triggers and routes
23. Files and reuse
24. What the compiler refuses
26. Writing nodes
27. What a node is
28. Your first node
29. metadata.json
30. The ctx
31. Reading inputs, emitting outputs
32. Custom types
33. Showing something in the graph
34. Storage
35. Surviving a restart
36. Writing a trigger
37. Talking to a live caller
38. Streams and buses in Rust
39. Cancelling and steering runs
40. Infrastructure nodes
41. Testing a node
42. Packaging
44. Connections
45. How connections work
46. The apps file
47. Using a connection in a node
48. Declaring a service
49. Events from a service
50. Measuring what a call costs
52. Running programs
53. The CLI
54. Starting and stopping things
55. The journal
56. Versions, seeds and frozen examples
57. Files at run time
58. The browser extension
59. Programs with instances
60. Deploying to your cloud
61. How the runtime is built
63. Why it is shaped this way
64. Things people say to me
65. Sequential Diffusion Programming
66. The commandments of plumbing
67. Design principles
68. The three fronts
69. How I think about AI safety
71. Appendix
72. Glossary
73. Where this is going