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SKILL verified MIT Self-run

Things3 Manager

skill-eugenepyvovarov-things3-agent-skill-things3-agent-skill · by eugenepyvovarov

Manage tasks, projects, areas, headings, and tags in the Things 3 macOS app via a local CLI (list Inbox/Today/Upcoming/Anytime/Someday/Logbook, search, create/update/complete/cancel items, open items in Things). Use when Codex needs to manage Things 3 on macOS.

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Install

$ agentstack add skill-eugenepyvovarov-things3-agent-skill-things3-agent-skill

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • ✓ Prompt-injection patterns
  • ✓ Secret / credential exfiltration
  • ✓ Dangerous shell & filesystem operations
  • ✓ Untrusted network calls
  • ✓ Known-malicious package signatures

What it can access

  • ✓ Network access No
  • ✓ Filesystem access No
  • ✓ Shell / process execution No
  • ● Environment & secrets Used
  • ✓ Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

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Reliability & compatibility

✓ Security review passed
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○ 8mo ago

Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

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About

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 /.skills-data//.
  • Keep config and registries in .skills-data// (for example: config.json, .json).
  • Use .skills-data//.env for SKILLROOT, SKILLDATA_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 SKILLDATADIR (default to /.skills-data//).
  • Do not write outside and /.skills-data// unless the user requests it.

Commands (CLI)

  • Lists:
  • inbox, today, upcoming, anytime, someday, logbook, trash, recent
  • Browsing:
  • projects, areas, tags, headings, todos, tagged-items
  • Search:
  • search, search-advanced
  • Writes (via Things URL scheme):
  • add-todo, add-project, update-todo, update-project
  • Open in Things:
  • show, search-items

Attribution

  • CLI implementation is based on things_server.py, url_scheme.py, and formatters.py from https://github.com/hald/things-mcp.

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.

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