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things3-manager

things3-manager is a skill for Claude Code, Codex from eugenepyvovarov/mcpbundler-agent-skills-marketplace. It costs 73 tokens per session (791 once invoked), scanned A, a copy of things3-manager, MIT.

A command-line tool for managing tasks, projects, folders, and tags in the Things 3 task-management app on macOS.

In plain words
What is it for?
Use it to list, search, create, update, complete, cancel, or open Things tasks and projects.
Why use it?
It lets an agent find and update Things items without manually navigating the app, while encouraging checks before making changes.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions Codex.

not rated 12repo 6mo ago A scan 73 tokens copy · 100% MIT

Good fit Use it to list, search, create, update, complete, cancel, or open Things tasks and projects.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/eugenepyvovarov/mcpbundler-agent-skills-marketplace/things3-agent-skill
View source ↗ eugenepyvovarov/mcpbundler-agent-skills-marketplace mcp-bundler.com
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 eugenepyvovarov/mcpbundler-agent-skills-marketplace --skill things3-agent-skill
Clone the repo
git clone --depth 1 https://github.com/eugenepyvovarov/mcpbundler-agent-skills-marketplace

Made for: Claude Code, Codex.

Its marketplace also offers this one on its own, as the plugin things3-agent-skill — /plugin install things3-agent-skill after adding the marketplace above.

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 things3-manager

README.md
[![agentmods](https://agentmods.dev/badge/skills/eugenepyvovarov/mcpbundler-agent-skills-marketplace/things3-agent-skill/github.svg)](https://agentmods.dev/skills/eugenepyvovarov/mcpbundler-agent-skills-marketplace/things3-agent-skill)
Your own site
<a href="https://agentmods.dev/skills/eugenepyvovarov/mcpbundler-agent-skills-marketplace/things3-agent-skill"><img src="https://agentmods.dev/badge/skills/eugenepyvovarov/mcpbundler-agent-skills-marketplace/things3-agent-skill/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for things3-manager

Your own site · 80×15
<a href="https://agentmods.dev/skills/eugenepyvovarov/mcpbundler-agent-skills-marketplace/things3-agent-skill"><img src="https://agentmods.dev/badge/skills/eugenepyvovarov/mcpbundler-agent-skills-marketplace/things3-agent-skill.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 73 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 791 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 100% copy Near-identical to another mod 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 $0.00073 $0.00791
Opus 5 $0.00036 $0.00396
Sonnet 5 $0.00015 $0.00158
Haiku 4.5 $0.00007 $0.00079

Measured 9d ago against content hash 96f2f47ddf1b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

things3-manager 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 9d ago.

The scan reads SKILL.md. This mod also ships 4 executable files (scripts/formatters.py, scripts/setup.sh, scripts/things_cli.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Origin

This is a copy

100% identical to things3-manager — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

things3-agent-skill/SKILL.md · 50 lines

How it starts

The opening of the file, as written. The whole thing — 50 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Things 3 Manager (CLI)

Quick start

  • Ensure Things 3 is installed and opened at least once.
  • In Things → Settings → General: enable “Enable Things URLs”.
  • Run the CLI (auto-bootstraps .skills-data/things3-manager/venv and installs deps on first run):
    • bash .codex/skills/things3-manager/scripts/things --help
    • bash .codex/skills/things3-manager/scripts/things inbox
    • bash .codex/skills/things3-manager/scripts/things search "weekly review"
    • bash .codex/skills/things3-manager/scripts/things add-todo --title "Book flights" --when today --tag travel --checklist "passport" --checklist "charger"

Operating rules (for Codex)

  • Prefer read-only commands first (inbox, today, search, projects, areas, tags) to discover UUIDs and current state.
  • Before any write command (add-todo, add-project, update-todo, update-project), summarize the exact changes and confirm with the user.
  • If the user provides a project/area/heading by name, resolve it by listing (projects/areas/headings) before writing.

Local data and env

  • Store all mutable state under <project_root>/.skills-data//.
  • Keep config and registries in .skills-data// (for example: config.json, .json).
  • Use .skills-data//.env for SKILL_ROOT, SKILL_DATA_DIR, and any per-skill env keys.
  • Install local tools into .skills-data//bin and prepend it to PATH when needed.
  • Install dependencies under .skills-data//venv:
    • Python: .skills-data//venv/python
    • Node: .skills-data//venv/node_modules
    • Go: .skills-data//venv/go (modcache, gocache)
    • PHP: .skills-data//venv/php (cache, vendor)
  • Write logs/cache/tmp under .skills-data//logs, .skills-data//cache, .skills-data//tmp.
  • Keep automation in /scripts and read SKILL_DATA_DIR (default to <project_root>/.skills-data//).
  • Do not write outside and <project_root>/.skills-data// unless the user requests it.

Read the full file on GitHub · 50 lines

Files

What ships with it

7 files 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. 9d ago First seen · 50 lines · 73 tokens per session scan A 96f2f47ddf1b

Subscribe to this mod's changes

things3-manager is a skill published in the GitHub repository eugenepyvovarov/mcpbundler-agent-skills-marketplace (12 stars, last pushed 6mo ago), licensed MIT. It adds 73 tokens to every session and 791 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to things3-manager, differing in 0 lines, and is treated as a copy.

ProductivityProject managementagent-skillagent-skillsclaudecodexskills
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