jot

jot is a skill for Claude Code, Codex from ethanolivertroy/my-agent-stuff. It costs 87 tokens per session (514 once invoked), scanned A, original, MIT.

A quick way to add text to today’s daily note in an Obsidian vault, a folder of linked Markdown notes. It creates a short heading and appends the text to the configured daily-note file.

In plain words
What is it for?
Use it to save thoughts, tasks, links, ideas, or conversation insights to today’s Obsidian note.
Why use it?
It removes the need to open the vault, find today’s note, and format a new entry by hand.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to save thoughts, tasks, links, ideas, or conversation insights to today’s Obsidian note.

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Install with agentmods
npx agentmods add skills/ethanolivertroy/my-agent-stuff/jot
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.

Any agent
npx skills add ethanolivertroy/my-agent-stuff --skill jot
Clone the repo
git clone --depth 1 https://github.com/ethanolivertroy/my-agent-stuff

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for jot

README.md
[![agentmods](https://agentmods.dev/badge/skills/ethanolivertroy/my-agent-stuff/jot.svg)](https://agentmods.dev/skills/ethanolivertroy/my-agent-stuff/jot)
Your own site
<a href="https://agentmods.dev/skills/ethanolivertroy/my-agent-stuff/jot"><img src="https://agentmods.dev/badge/skills/ethanolivertroy/my-agent-stuff/jot.svg" alt="Measured on agentmods" height="20"></a>
Per session 87 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 514 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00087 $0.00514
Opus 5 $0.00044 $0.00257
Sonnet 5 $0.00017 $0.00103
Haiku 4.5 $0.00009 $0.00051

Measured 7d ago against content hash 25c835ab5b4f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

jot 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 7d 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.

skills/jot/SKILL.md · 47 lines

What it actually says

Jot - Quick Append to Daily Note

Append any content to today's daily note in the user's configured Obsidian vault. Designed for speed: capture the thing and confirm, nothing more.

Configuration

  • Vault: use OBSIDIAN_VAULT_NAME when set; otherwise ask once or use a clearly established vault from context.
  • Daily note path: Periodic Notes/Daily Notes/YYYY-MM-DD.md
  • Heading level: ## (matches existing daily note entries)

Workflow

  1. Determine today's date in YYYY-MM-DD format.
  2. If the user passed text with /jot <text>, use that as the content. Otherwise, use the content from the conversation context that the user wants saved.
  3. Derive a short, descriptive ## heading from the content (2-5 words).
  4. Run the append command:
obsidian vault="$OBSIDIAN_VAULT_NAME" append path="Periodic Notes/Daily Notes/YYYY-MM-DD.md" content="\n## Heading Here\n\nContent here" silent
  1. Confirm the append succeeded. If the command produces no output, it succeeded.

Formatting Rules

  • Start content with \n so there is a blank line before the new heading.
  • Use \n for line breaks within content.
  • Keep the ## heading concise so it scans well alongside nearby daily-note entries.
  • Preserve the user's original wording. Do not rewrite or summarize unless asked.
  • For multi-paragraph content, separate paragraphs with \n\n.

Error Handling

  • If obsidian CLI returns "Vault not found", the vault name may have changed. Check available vaults with obsidian vaults.
  • If the daily note does not exist yet, append will fail. Create it first with obsidian vault="$OBSIDIAN_VAULT_NAME" create path="Periodic Notes/Daily Notes/YYYY-MM-DD.md" content="# Log" silent.
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. 7d ago First seen · 47 lines · 87 tokens per session scan A 25c835ab5b4f

Subscribe to this mod's changes

jot is a skill published in the GitHub repository ethanolivertroy/my-agent-stuff (11 stars, last pushed 1mo ago), licensed MIT. It adds 87 tokens to every session and 514 once invoked, about $0.0004 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 2026-08-30.

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