All classes
3percentclub Builders Track // Week 3
Study guide
Slides
Warm-up
Three C's
Route
Loop
Frameworks
MCP + goose
Skills
Lab
3percentclub Builders Track // Week 3
Good Grief, Your Model Believes Everything
Tool Calling, Skills & MCP
3percentclub
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01 · [Warm-up] Good Grief, Your Model Believes Everything
02 · In the room or on Zoom. Both count.
03 · Who Am I?
04 · Week 3 of 7. Here's what you missed.
05 · Harnesses: the code around the model
06 · Model routing: stop sending every job to the biggest model
07 · [Three C's] Complexity. Context. Criticism.
08 · The spec is the product. The code is the receipt.
09 · Where the junior & mid-level jobs are moving
10 · [Route] Four stops, one tool
11 · [Loop] The model never runs your code. Your harness does.
12 · The loop, in five steps
13 · "Where do I wait on Halloween night?" What tool call do you send?
14 ·
15 · Tonight we make the cereal from scratch
16 · A tool schema is just JSON Schema
17 · The function the model can't run
18 · A real loop, not two API calls
19 · Never crash. Report back.
20 · Good tool or bad tool? You call it.
21 ·
22 · [Frameworks] Frameworks: same loop, more opinions
23 · [MCP + goose] Write the tool once. Use it in any client.
24 · server.py: the same function, wrapped
25 · Plug the server into goose (one time)
26 · [Skills] A tool is a capability. A Skill is the SOP.
27 · .agents/skills/event-report/SKILL.md
28 · Everything tonight, on real NYC data
29 · [Lab] Your turn. Pick a door.
30 · Tonight's build: Project Great Pumpkin
31 · RAG & vector databases
32 · Spooky Civic AI Halloweekend Hackathon
33 · Discord, Classroom, and two minutes of feedback