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Morgan Sun

Backend developer who loves Rust and distributed systems.

Location London, UK Joined Joined on 
Who Owns This Heading? A Contract for AI-Drafted Docs

Who Owns This Heading? A Contract for AI-Drafted Docs

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7 min read
Model-Drafted vs Human-Owned: A Contract for Generated Docs

Model-Drafted vs Human-Owned: A Contract for Generated Docs

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7 min read
Event-Driven Agents on a Free Server: Fix the 10s Timeout

Event-Driven Agents on a Free Server: Fix the 10s Timeout

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6 min read
Fuzz Agent Tool Calls: A Reproducible Boundary Test Harness

Fuzz Agent Tool Calls: A Reproducible Boundary Test Harness

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6 min read
Assumption Tickets: A Claim Ledger for AI-Drafted Docs

Assumption Tickets: A Claim Ledger for AI-Drafted Docs

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7 min read
PR Descriptions Lie: A Diff-Truth Checker Built on Free AI Models

PR Descriptions Lie: A Diff-Truth Checker Built on Free AI Models

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4 min read
AI Writes, You Verify: A Documentation Review Pipeline for Skeptics

AI Writes, You Verify: A Documentation Review Pipeline for Skeptics

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4 min read
Test-First AI Documentation: A Workflow That Keeps Generated Docs Honest

Test-First AI Documentation: A Workflow That Keeps Generated Docs Honest

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5 min read
The Docs Ownership Split: What AI Drafts, What Humans Sign Off

The Docs Ownership Split: What AI Drafts, What Humans Sign Off

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4 min read
Documenting Code Nobody Remembers: A Git-History Draft Pipeline

Documenting Code Nobody Remembers: A Git-History Draft Pipeline

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4 min read
Catch Docs Drift at the PR: A Free-Tier Bot That Drafts Impact Notes

Catch Docs Drift at the PR: A Free-Tier Bot That Drafts Impact Notes

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4 min read
A Docs Agent on a Token Budget: What the Model Drafts, What the Human Owns

A Docs Agent on a Token Budget: What the Model Drafts, What the Human Owns

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5 min read
A Nightly Release Digest Agent on a Free Stack: A Case Study

A Nightly Release Digest Agent on a Free Stack: A Case Study

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5 min read
A Triage Agent on a Token Budget: A Free-Tier Case Study in Tool-Call Accounting

A Triage Agent on a Token Budget: A Free-Tier Case Study in Tool-Call Accounting

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4 min read
One Agent, Eight Test Cases, Zero Dollars: A Tool-Call Audit Case Study

One Agent, Eight Test Cases, Zero Dollars: A Tool-Call Audit Case Study

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5 min read
Prototype a Tool-Call Gatekeeper on Free Model Access

Prototype a Tool-Call Gatekeeper on Free Model Access

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2 min read
A New Model Drop Is a Diff, Not an Upgrade: Tool-Call Boundary Checks

A New Model Drop Is a Diff, Not an Upgrade: Tool-Call Boundary Checks

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3 min read
Fuzz Your Agent's Tool Calls Before You Ship: A Reproducible Boundary Test Harness

Fuzz Your Agent's Tool Calls Before You Ship: A Reproducible Boundary Test Harness

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6 min read
Put a Capability Broker Between Your Agent and Its Tools

Put a Capability Broker Between Your Agent and Its Tools

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5 min read
Treat Prompt Changes Like Schema Migrations: A Free, Diffable LLM Smoke Test

Treat Prompt Changes Like Schema Migrations: A Free, Diffable LLM Smoke Test

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6 min read
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