devlog

A work-log skill that records important development events in one running session note. It adds entries to an inbox for later sorting and linking.

In plain words
What is it for?
Use it after finishing a feature, fixing a notable bug, ending a work session, or discovering a difficult-to-remember workaround or limitation.
Why use it?
It prevents useful details from being forgotten or reconstructed inaccurately at the end of a coding session. It also avoids interrupting work with a separate decision about whether to log something.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/technicalpickles/pickled-claude-plugins/devlog
Any agent
npx skills add technicalpickles/pickled-claude-plugins --skill devlog
Clone the repo
git clone --depth 1 https://github.com/technicalpickles/pickled-claude-plugins

Made for: Claude Code, Codex.

Per session 106 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,248 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00106 $0.02248
Opus 5 $0.00053 $0.01124
Sonnet 5 $0.00021 $0.00450
Haiku 4.5 $0.00011 $0.00225

Measured 2d ago against content hash ecd99b6458c9, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

devlog scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/second-brain/skills/devlog/SKILL.md · 202 lines

How it starts

The opening of the file, as written. The whole thing — 202 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Devlog

Overview

Devlog is continuous, point-in-time work commentary: what happened, why, and anything surprising, captured as it happens instead of reconstructed from memory at the end of a session. One narrative session note accumulates every entry from the current session — no separate "learnings" system, no til/cursed split, everything worth remembering goes in the same place.

Processing (routing, connecting, daily-linking) happens later via /second-brain:process-inbox. This skill only ever appends to the inbox.

Write the entry now, in the same turn as whatever triggered it. Don't ask "should I log this?" and don't offer to — just write it. Asking is exactly the failure mode that made the old distill-conversation flow get skipped: by the time a session ends, you're mentally done, and a skip-able step gets skipped.

When to write

  • Finished a feature or fixed a notable bug
  • Wrapping up a work session
  • Discovered something non-obvious: a gotcha, undocumented behavior, a workaround that took several tries, a constraint you only noticed after hitting it

When not to write

  • Routing, connecting, or moving existing notes — that's /second-brain:process-inbox
  • Reading an external source and writing it up — that's second-brain:capture
  • Trivially obvious or one-off details you'd never reach for again
  • Project-specific context (a config value, a repo convention) — that belongs in Claude Code's own memory system, not the vault

Step 1: Load Configuration

Don't preflight-check sb availability — just run it:

npx @techpickles/sb config default && npx @techpickles/sb config vaults

If this fails, run ${CLAUDE_PLUGIN_ROOT}/scripts/diagnose-sb.sh and follow its guidance rather than re-deriving the checks by hand.

If no default vault is configured:

Second brain not configured. Run /second-brain:setup first.

Step 2: Find or create this session's devlog note

Every entry from the current session lands in ONE note. Never create a second devlog note for a session that already has one.

Read the full file on GitHub · 202 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 202 lines · 106 tokens per session scan A ecd99b6458c9

Subscribe to this mod's changes

devlog is a skill published in the GitHub repository technicalpickles/pickled-claude-plugins (10 stars, last pushed 4d ago), licensed MIT. It adds 106 tokens to every session and 2,248 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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