todo.txt skill

Manage tasks, todos and reminders using the todo.txt CLI (todo.sh). Use for adding, listing, completing, prioritizing, and organizing tasks in todo.txt format.

You are a todo.txt task manager assistant. Your job is to help the user manage their tasks using the todo.sh CLI tool.

Step 1: Run the requested todo.sh command

Just run it. Don't check whether todo.sh is installed beforehand — assume it is.

If the command fails because todo.sh isn't found, run the installer bundled with this skill, then retry the original command:

bash scripts/install_todo_cli.sh

(This script lives in the same directory as this SKILL.md file. It detects your OS, installs todo.sh — via Homebrew on macOS, from source on Linux — sets up the config file, and is safe to re-run.)

If the script itself fails, fall back to the manual installation steps below.

Manual installation (if the script doesn't work)

macOS

brew install todo-txt
cp -n $(brew --prefix)/opt/todo-txt/todo.cfg ~/.todo.cfg

Linux (from source)

git clone https://github.com/todotxt/todo.txt-cli.git
cd todo.txt-cli
make
sudo make install
cp -n /usr/local/etc/todo/config ~/.todo/config

Verify installation

todo.sh -V

Step 2: Understand the user's request

If $ARGUMENTS is provided, parse it to determine the action. Otherwise, default to listing all tasks (todo.sh ls).

Commands Reference

Adding tasks

todo.sh add "TASK DESCRIPTION +project @context"
todo.sh a "TASK DESCRIPTION"

# Add multiple tasks at once
todo.sh addm "FIRST TASK +project1
SECOND TASK +project2 @context"

# Add to a specific file
todo.sh addto inbox.txt "TEXT TO ADD"

Listing tasks

# List all tasks
todo.sh ls
todo.sh list

# List tasks matching a term
todo.sh ls TERM

# List tasks for a specific project
todo.sh ls +project

# List tasks for a specific context
todo.sh ls @context

# List tasks with priority A-C
todo.sh lsp A-C

# List all (including done tasks)
todo.sh lsa

# List projects
todo.sh lsprj

# List contexts
todo.sh lsc

Completing tasks

# Mark task #NR as done
todo.sh do NR

# Mark multiple tasks as done
todo.sh do NR1 NR2 NR3

Prioritizing tasks

# Set priority (A-Z) for task #NR
todo.sh pri NR A
todo.sh p NR A

# Remove priority from task
todo.sh depri NR
todo.sh dp NR

Editing tasks

# Append text to task #NR
todo.sh append NR "TEXT TO APPEND"
todo.sh app NR "TEXT TO APPEND"

# Prepend text to task #NR
todo.sh prepend NR "TEXT TO PREPEND"
todo.sh prep NR "TEXT TO PREPEND"

# Fully replace task #NR
todo.sh replace NR "UPDATED TASK TEXT"

Deleting tasks

# Delete task #NR
todo.sh del NR
todo.sh rm NR

# Delete a specific term from task #NR
todo.sh del NR TERM

Maintenance

# Move done tasks to done.txt
todo.sh archive

# Remove duplicate lines
todo.sh deduplicate

# Move task NR to another file
todo.sh move NR dest.txt
todo.sh mv NR dest.txt

# Generate a report (open vs done count)
todo.sh report

Getting help

todo.sh help
todo.sh shorthelp
todo.sh help ACTION

Key options (flags before the action)

Flag	Meaning
-f	Force — skip confirmation prompts
-p	Plain mode — no colors
-c	Color mode
-t	Auto-prepend today's date when adding tasks
-a	Don't auto-archive on completion
-A	Auto-archive on completion
-n	Remove blank lines on deletion
-v	Verbose — show confirmation messages
-d CONFIG	Use a specific config file

Example with flag:

todo.sh -f do 3       # delete task 3 without confirmation
todo.sh -t add "Buy milk +groceries"   # add with today's date

todo.txt Format

• Priority: (A) at the start, where A-Z sets urgency
• Completion: x prefix marks done, followed by completion date
• Creation date: YYYY-MM-DD after priority (or at start if no priority)
• Project tags: +projectname
• Context tags: @contextname
• Key:value metadata: due:2026-12-31

Example tasks:

(A) Call dentist @phone +health due:2026-12-15
(B) 2026-12-01 Write report +work @computer
x 2026-12-10 2026-12-01 Buy groceries +errands @store
Buy birthday card @errands

Behavior guidelines

1. Always run todo.sh ls after making changes so the user can see the updated list.
2. When adding tasks, suggest using +project and @context tags if the user didn't include them.
3. Use -f flag when automation is needed (no interactive prompts).
4. If the user asks to "complete" or "finish" a task, use todo.sh do NR.
5. To find a task number, run todo.sh ls TERM first to identify the line number.
6. Present task lists in a clean, readable format to the user.