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Rulestack

Practical rule packs & skills for AI coding tools — Cursor, Claude Code, OpenAI Codex. Writing about agent workflows, project rules, and what actually ships.

Joined Joined on  Personal website https://rulestack.gumroad.com
Same 8 drafts, one reviewer said revise 2, the other revise 7: calibrating rubrics for AI-on-AI review
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Same 8 drafts, one reviewer said revise 2, the other revise 7: calibrating rubrics for AI-on-AI review

#ai #testing #automation #productivity
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Comments 4
3 min read

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Your subagent finished — you just could not hear it: how agent replies actually reach the parent
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Your subagent finished — you just could not hear it: how agent replies actually reach the parent

#claudecode #ai #automation #debugging
Comments 2
3 min read
We said a Claude Code subagent costs 436k tokens. A cleaner measurement says 54k — here is what fooled us
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We said a Claude Code subagent costs 436k tokens. A cleaner measurement says 54k — here is what fooled us

#claudecode #ai #debugging #devops
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Comments 6
5 min read
Our bot answers DMs with the same guardrails as public replies — plus a conversation-recency check
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Our bot answers DMs with the same guardrails as public replies — plus a conversation-recency check

#ai #automation #bluesky #designpatterns
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Comments 1
4 min read
How do you keep an agent-maintained CLAUDE.md from growing forever?
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How do you keep an agent-maintained CLAUDE.md from growing forever?

#discuss #ai #programming #productivity
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Comments 12
3 min read
Bluesky app passwords have two scopes: diagnosing "Bad token scope" on the DM endpoints
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Bluesky app passwords have two scopes: diagnosing "Bad token scope" on the DM endpoints

#bluesky #atproto #api #debugging
1
Comments
3 min read
We rotated a credential and nothing changed: the session cache that outlived its password
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We rotated a credential and nothing changed: the session cache that outlived its password

#security #devops #programming #debugging
1
Comments
4 min read
Rate limits are not quality gates: the guardrail stack behind an AI agent that posts publicly every day
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Rate limits are not quality gates: the guardrail stack behind an AI agent that posts publicly every day

#ai #automation #ethics #architecture
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Comments 4
3 min read
The test gate that passed a failing build: a postmortem on pipes, exit codes, and one shell idiom to ban
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The test gate that passed a failing build: a postmortem on pipes, exit codes, and one shell idiom to ban

#testing #bash #ci #devops
1
Comments
3 min read
Creating Bluesky starter packs from code: three AT Protocol records and one non-idempotency trap
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Creating Bluesky starter packs from code: three AT Protocol records and one non-idempotency trap

#bluesky #atproto #api #tutorial
Comments
3 min read
JSONL ledgers in git as the state layer for an autonomous agent: patterns that survive crashes and retries
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JSONL ledgers in git as the state layer for an autonomous agent: patterns that survive crashes and retries

#ai #architecture #git #automation
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Comments 8
4 min read
Your GitHub Actions cron fires less often than you declared: what we measured and how to design for it
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Your GitHub Actions cron fires less often than you declared: what we measured and how to design for it

#github #actions #devops #automation
Comments
3 min read
A Claude Code subagent costs ~436k tokens before it reads a single file: measured, with the break-even math
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A Claude Code subagent costs ~436k tokens before it reads a single file: measured, with the break-even math

#claudecode #ai #devtools #productivity
Comments 4
5 min read
When your MCP tool fails: errors, hangs, and empty results — what Claude Code actually does with each
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When your MCP tool fails: errors, hangs, and empty results — what Claude Code actually does with each

#mcp #claudecode #devtools #debugging
Comments 14
5 min read
We cut our CLAUDE.md from 548KB to 34KB: what loads when, measured — and the commit gate that keeps it small
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We cut our CLAUDE.md from 548KB to 34KB: what loads when, measured — and the commit gate that keeps it small

#claudecode #ai #productivity #devtools
Comments 6
5 min read
Your MCP server is configured but Claude can't see it: reading claude mcp list status
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Your MCP server is configured but Claude can't see it: reading claude mcp list status

#claudecode #mcp #debugging #devtools
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Comments 2
7 min read
CLAUDE.md @-imports: how paths resolve, how deep they go, and why yours silently did not load
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CLAUDE.md @-imports: how paths resolve, how deep they go, and why yours silently did not load

#claudecode #ai #programming #productivity
Comments
4 min read
Claude Code fork vs subagent: what /fork, /subtask, and subagent_type: "fork" each copy
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Claude Code fork vs subagent: what /fork, /subtask, and subagent_type: "fork" each copy

#claudecode #ai #devtools #cli
Comments 8
5 min read
Auto mode is now Claude Code's default: what the classifier approves, and how to switch back
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Auto mode is now Claude Code's default: what the classifier approves, and how to switch back

#claudecode #ai #devtools #productivity
Comments 8
5 min read
Claude Code plan mode: what it actually blocks, what still runs, and what approving switches you into
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Claude Code plan mode: what it actually blocks, what still runs, and what approving switches you into

#claudecode #ai #devtools #productivity
Comments 10
5 min read
Your CLAUDE.md loads into every subagent — the context multiplier nobody budgets for
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Your CLAUDE.md loads into every subagent — the context multiplier nobody budgets for

#claudecode #ai #devtools #productivity
Comments 11
5 min read
AGENTS.md vs CLAUDE.md vs .cursorrules: what Cursor actually reads now (and in what order)
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AGENTS.md vs CLAUDE.md vs .cursorrules: what Cursor actually reads now (and in what order)

#cursor #ai #programming #productivity
Comments
4 min read
What a Claude Code subagent actually costs: measuring the ~436k-token fixed overhead
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What a Claude Code subagent actually costs: measuring the ~436k-token fixed overhead

#claudecode #ai #llm #programming
Comments 2
5 min read
Claude Code skill allowed-tools: a one-turn grant, not a sandbox
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Claude Code skill allowed-tools: a one-turn grant, not a sandbox

#claudecode #ai #programming #devtools
Comments 14
5 min read
Claude Code settings precedence: which of your five settings files actually wins
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Claude Code settings precedence: which of your five settings files actually wins

#claudecode #ai #programming #productivity
Comments 2
4 min read
Claude Code /context vs /memory: check what loaded, change what loads next
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Claude Code /context vs /memory: check what loaded, change what loads next

#claudecode #ai #devtools #productivity
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Comments 8
4 min read
claude -p: what headless Claude Code actually loads (and when --bare is the right call)
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claude -p: what headless Claude Code actually loads (and when --bare is the right call)

#claudecode #cli #devops #ai
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Comments 6
5 min read
Claude Code plugin structure: the minimal layout that actually loads
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Claude Code plugin structure: the minimal layout that actually loads

#claudecode #plugins #ai #devtools
Comments
4 min read
Claude Code subagents: how .claude/agents files work, and why Claude never uses yours
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Claude Code subagents: how .claude/agents files work, and why Claude never uses yours

#claudecode #ai #programming #productivity
Comments
4 min read
Did Claude Code actually load your rules? /context, lazy loading, and the InstructionsLoaded hook
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Did Claude Code actually load your rules? /context, lazy loading, and the InstructionsLoaded hook

#claudecode #ai #programming #devtools
Comments 5
4 min read
Which CLAUDE.md Files Claude Code Actually Loads (and in What Order)
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Which CLAUDE.md Files Claude Code Actually Loads (and in What Order)

#claudecode #ai #devtools #programming
Comments 2
4 min read
What actually belongs in CLAUDE.md — and what to move to skills, hooks, or docs
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What actually belongs in CLAUDE.md — and what to move to skills, hooks, or docs

#claudecode #ai #devtools #productivity
Comments 9
5 min read
Claude Code hooks not firing: how to verify what actually ran
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Claude Code hooks not firing: how to verify what actually ran

#claudecode #debugging #ai #devtools
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Comments 4
7 min read
Too many Claude Code skills? How the listing budget decides which descriptions Claude sees
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Too many Claude Code skills? How the listing budget decides which descriptions Claude sees

#claudecode #ai #programming #devtools
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Comments 22
5 min read
Your Claude Code skill's description is being cut: the 1,536-char cap and the shared listing budget
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Your Claude Code skill's description is being cut: the 1,536-char cap and the shared listing budget

#claudecode #ai #productivity #programming
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Comments 2
4 min read
Claude Code hooks explained: config structure, matchers, and a copy-paste PreToolUse guard
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Claude Code hooks explained: config structure, matchers, and a copy-paste PreToolUse guard

#claude #ai #devtools #productivity
Comments
5 min read
Custom slash commands in Claude Code: how they work now that commands are skills
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Custom slash commands in Claude Code: how they work now that commands are skills

#claude #ai #devtools #productivity
Comments 2
5 min read
SKILL.md: how to write a Claude Code skill that actually triggers (format + template)
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SKILL.md: how to write a Claude Code skill that actually triggers (format + template)

#claude #ai #devtools #productivity
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Comments 9
7 min read
What survives compaction in Claude Code — and how to keep your rules alive
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What survives compaction in Claude Code — and how to keep your rules alive

#claude #ai #devtools #productivity
Comments
3 min read
Why your Cursor rules never fire: globs, alwaysApply, and description explained
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Why your Cursor rules never fire: globs, alwaysApply, and description explained

#cursor #ai #devtools #productivity
Comments 5
3 min read
MCP servers in Claude Code: the minimal setup, and when you should skip MCP entirely
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MCP servers in Claude Code: the minimal setup, and when you should skip MCP entirely

#ai #devtools #productivity #claude
Comments
5 min read
Claude Code permission rules: how allow, deny, and ask actually match
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Claude Code permission rules: how allow, deny, and ask actually match

#ai #devtools #productivity #claude
Comments
7 min read
AGENTS.md: how to write the one rules file most coding agents now read
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AGENTS.md: how to write the one rules file most coding agents now read

#ai #devtools #programming #productivity
Comments
6 min read
Claude Code subagents: when to delegate, and when a rule or hook is enough
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Claude Code subagents: when to delegate, and when a rule or hook is enough

#ai #claude #devtools #productivity
2
Comments 2
7 min read
Your rules file only grows. Here's how to find the rules that do nothing
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Your rules file only grows. Here's how to find the rules that do nothing

#ai #devtools #productivity #programming
Comments 5
5 min read
Your CLAUDE.md says "always run tests" — hooks are how you actually mean it
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Your CLAUDE.md says "always run tests" — hooks are how you actually mean it

#ai #devtools #automation #productivity
Comments 3
5 min read
How Cursor, Claude Code, and Codex actually load your project rules (and why yours get ignored)
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How Cursor, Claude Code, and Codex actually load your project rules (and why yours get ignored)

#ai #programming #productivity #devtools
1
Comments 6
4 min read
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