todoist-setup

todoist-setup is a skill for Claude Code, Codex from davekilleen/Dex. It costs 76 tokens per session (2,111 once invoked), scanned A, original, MIT.

A connector for Todoist, a task management app, that lets Dex read and update Todoist tasks in two ways.

In plain words
What is it for?
Use it to connect Todoist, sync its tasks, or work from a Todoist link.
Why use it?
It avoids manually keeping tasks aligned between Dex and Todoist. It also helps route Todoist requests separately from Things, Trello, and Jira.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: reads .claude/ paths; installed under .agents/ (shared by several agents).

Good fit Use it to connect Todoist, sync its tasks, or work from a Todoist link.

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Install with agentmods
npx agentmods add skills/davekilleen/dex/todoist-setup
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 davekilleen/Dex --skill todoist-setup
Clone the repo
git clone --depth 1 https://github.com/davekilleen/Dex

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 todoist-setup

README.md
[![agentmods](https://agentmods.dev/badge/skills/davekilleen/dex/todoist-setup/github.svg)](https://agentmods.dev/skills/davekilleen/dex/todoist-setup)
Your own site
<a href="https://agentmods.dev/skills/davekilleen/dex/todoist-setup"><img src="https://agentmods.dev/badge/skills/davekilleen/dex/todoist-setup/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 todoist-setup

Your own site · 80×15
<a href="https://agentmods.dev/skills/davekilleen/dex/todoist-setup"><img src="https://agentmods.dev/badge/skills/davekilleen/dex/todoist-setup.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 76 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,111 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 $0.00076 $0.02111
Opus 5.5 $0.00030 $0.00844
Sonnet 5.5 $0.00015 $0.00422
Haiku 4.5 $0.00008 $0.00211

Measured 1mo ago against content hash f7c1d4abde52, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

todoist-setup 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 1mo 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.

.agents/skills/todoist-setup/SKILL.md · 255 lines

How it starts

The opening of the file, as written. The whole thing — 255 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Todoist Setup

Connect your Todoist account so Dex can work with your Todoist tasks whenever you ask — check what's due, create a task there instead of in Dex, or mark something done.

What this enables (on request): Once connected, say "sync with Todoist" — Dex pushes new tasks to the right Todoist project, marks completions, and pulls back tasks you completed or created in Todoist directly. Sync runs on demand; Dex does not poll Todoist in the background without you asking.

What This Enables

Once connected, you can ask Dex to:

  • See what's due: "What's due in Todoist today?" — including alongside your daily plan
  • Create there instead: "Add that to Todoist, not Dex" during triage or any conversation
  • Complete from chat: "Mark the invoice task done in Todoist"
  • Cross-check: "Anything in Todoist that isn't tracked in Dex?"

Privacy

  • Dex reads and writes your Todoist tasks only when you ask it to
  • Your API key stays local in the ignored vault-root .env file. Tracked YAML stores only its variable name.
  • Dex never shares your Todoist data with third parties

When to Run

  • User types /todoist-setup
  • User asks about connecting Todoist or task sync
  • User wants Todoist tasks in daily plans
  • During /integrate-mcp if Todoist is mentioned

Setup Flow

Step 1: Check if Already Connected

  1. Check System/integrations/config.yaml for a todoist: section with enabled: true through core.utils.strict_yaml.load_yaml_path; refuse duplicate keys, aliases, anchors, or merge mappings before reading or writing any setup field.
  2. If enabled, test authentication with the read-only health check
  3. If healthy, skip to Reconfiguration section below
  4. If not configured or unhealthy, continue to Step 2

Step 2: Explain What We're Setting Up

Say:

**Let's connect Todoist to Dex.**

Once connected, you can ask me to check, create, or complete Todoist tasks
right from our conversations.

**What you'll need:**
- Your Todoist API token (I'll show you where to find it)
- About 2 minutes

**Ready to go?**

Read the full file on GitHub · 255 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. 1mo ago First seen · 255 lines · 76 tokens per session scan A f7c1d4abde52

Subscribe to this mod's changes

todoist-setup is a skill published in the GitHub repository davekilleen/Dex (508 stars, last pushed 2d ago), licensed MIT. It adds 76 tokens to every session and 2,111 once invoked, about $0.0003 per session on Opus 5.5. 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.

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