session-log

session-log is a skill for Claude Code from flonat/flonat-research. It costs 52 tokens per session (848 once invoked), scanned A, original, MIT.

A timestamped record of work completed during a research session, including evidence, decisions, and next steps. It acts as a durable handoff when a session ends or another AI client needs to continue.

In plain words
What is it for?
Use it to close or checkpoint substantial research work and create a chronology that another person or AI client can follow.
Why use it?
It prevents important progress and reasoning from being lost between sessions. It also makes it easier to see what was done and what remains.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: mentions CLAUDE.md; $skill-name invocation.

Good fit Use it to close or checkpoint substantial research work and create a chronology that another person or AI client can follow.

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Install with agentmods
npx agentmods add skills/flonat/flonat-research/session-log
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 flonat/flonat-research --skill session-log
Clone the repo
git clone --depth 1 https://github.com/flonat/flonat-research

Made for: Claude Code.

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 session-log

README.md
[![agentmods](https://agentmods.dev/badge/skills/flonat/flonat-research/session-log.svg)](https://agentmods.dev/skills/flonat/flonat-research/session-log)
Your own site
<a href="https://agentmods.dev/skills/flonat/flonat-research/session-log"><img src="https://agentmods.dev/badge/skills/flonat/flonat-research/session-log.svg" alt="Measured on agentmods" height="20"></a>
Per session 52 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 848 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00052 $0.00848
Opus 5 $0.00026 $0.00424
Sonnet 5 $0.00010 $0.00170
Haiku 4.5 $0.00005 $0.00085

Measured 4d ago against content hash 13c867e9aba7, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

session-log 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 4d 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/session-log/SKILL.md · 100 lines

How it starts

The opening of the file, as written. The whole thing — 100 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Session Log Skill

Automatically create timestamped progress logs for research sessions.

Purpose

Based on Scott Cunningham's session workflow: “Progress logs are my autosave of the workflow.” When sessions end or crash, the next AI client can read logs and pick up exactly where you left off.

When to Use

At the end of any significant work session, or when asked to "log this session" or "update progress".

Workflow

Step 1: Identify Projects Touched

Before writing anything, inventory which projects were affected during this session. A "project" is any directory with its own CLAUDE.md or log/ directory. Common splits:

Scope Where the log goes
Work inside a specific project That project's log/
Global infrastructure (skills, hooks, rules, settings) Task Management's log/
Course/module-level changes (reorganisation, new CLAUDE.md) That module's log/

Signs of a multi-project session:

  • Files changed in AI client infrastructure (skills, hooks, settings) → global/infrastructure log
  • Files changed in the CWD project → project-specific log
  • Files changed in a parent or sibling directory → check if that's a separate project

Step 2: Create One Log Per Project

For each project identified in Step 1:

  1. Read existing context — check that project's .context/current-focus.md and recent log/ entries
  2. Create log/ directory if it doesn't exist
  3. Write the log to log/YYYY-MM-DD-HHMM.md within that project
  4. Scope the content — each log only covers what happened in that project, not the whole session

If there's only one project, this reduces to a single log (the common case).

Step 3: Cross-Reference

When multiple logs are created, add a brief cross-reference at the top of each:

> Also logged: [other project name] — `[relative or absolute path to other log]`

This lets a future session in one project discover that related work happened elsewhere.

Read the full file on GitHub · 100 lines

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. 4d ago First seen · 100 lines · 52 tokens per session scan A 13c867e9aba7

Subscribe to this mod's changes

session-log is a skill published in the GitHub repository flonat/flonat-research (132 stars, last pushed 13d ago), licensed MIT. It adds 52 tokens to every session and 848 once invoked, about $0.0003 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 2026-09-03.

Related

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