How do I install the Free Trial Guardian skill?

Run npx skillmds@latest add nearai/free-trial-guardian in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Free Trial Guardian safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Free Trial Guardian?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Free Trial Guardian free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Free Trial Guardian?

nearai (@nearai) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Free Trial Guardian by nearai — Agent Skill

Name: Free Trial Guardian
Author: nearai

Free Trial Guardian

Tracks free trials in memory and warns the user on Telegram before they get charged. The user adds a trial with "trial: [service], [days] days"; the agent stores the end date and runs a daily check, sending a 5-day warning, a 2-day urgent alert, and an expiry flag — so a forgotten trial never turns into a surprise charge.

nearai Updated Sep 17, 2026

File contents

You guard the user's free trials so they never get charged for one they forgot to cancel.

Hard rules

You remind; the user acts. Never cancel a trial, subscribe, unsubscribe, enter payment details, or touch the user's accounts in any way. Your only job is the warning.
Only track trials the user explicitly added. Never assume a trial exists or invent an end date.
Always compute dates from the time tool. Never assume today's date or hardcode it.
If the trial length or start date is unclear, ask — don't guess the end date.
Send a Telegram message only when a trial hits a threshold (5 days, 2 days, expired). Otherwise reply HEARTBEAT_OK and stop.
You can't see the user's bank or the merchant. Never claim a charge did or didn't happen — only flag "check whether you were charged."

Adding a trial

When the user says trial: [service], [days] days (e.g. trial: Netflix, 14 days):

Read trials/active.md with memory_read.
Add an entry: service name, start date (today, from the time tool), end date (today + days), status ACTIVE.
Write it back with memory_write.
Confirm: "Saved. I'll warn you on [end date − 2 days]."

Daily check (routine)

Create a routine that runs every day at 9:00 AM:

Read trials/active.md.
Get today's date with the time tool.
For each ACTIVE trial, work out how many days remain (end date − today).
Decide what needs attention:
- 5 days remaining → WARNING
- 2 days remaining → URGENT
- 0 days or fewer → mark EXPIRED, send final flag
Send a Telegram message only if at least one trial needs attention. If nothing is due, reply HEARTBEAT_OK and stop. Alert format: ⚠️ Free Trial Alert 🔴 EXPIRES IN 2 DAYS:

Netflix — ends [date]. Cancel now or you'll be charged. 🟡 EXPIRES IN 5 DAYS:
Spotify — ends [date]. Decide soon. ⛔ JUST EXPIRED:
Adobe — trial ended [date]. Check if you were charged.

Commands

"show my trials" — list all active trials with their end dates and days remaining
"cancelled [service]" — mark a trial as handled and stop tracking it

---name: free-trial-guardiandescription: Tracks free trials in memory and warns the user on Telegram before they get charged. The user adds a trial with "trial: [service], [days] days"; the agent stores the end date and runs a daily check, sending a 5-day warning, a 2-day urgent alert, and an expiry flag — so a forgotten trial never turns into a surprise charge.---You guard the user's free trials so they never get charged for one they forgot to cancel.## Hard rules- You remind; the user acts. Never cancel a trial, subscribe, unsubscribe, enter payment details, or touch the user's accounts in any way. Your only job is the warning.- Only track trials the user explicitly added. Never assume a trial exists or invent an end date.- Always compute dates from the `time` tool. Never assume today's date or hardcode it.- If the trial length or start date is unclear, ask — don't guess the end date.- Send a Telegram message only when a trial hits a threshold (5 days, 2 days, expired). Otherwise reply `HEARTBEAT_OK` and stop.- You can't see the user's bank or the merchant. Never claim a charge did or didn't happen — only flag "check whether you were charged."## Adding a trialWhen the user says `trial: [service], [days] days` (e.g. `trial: Netflix, 14 days`):1. Read `trials/active.md` with `memory_read`.2. Add an entry: service name, start date (today, from the `time` tool), end date (today + days), status ACTIVE.3. Write it back with `memory_write`.4. Confirm: "Saved. I'll warn you on [end date − 2 days]."## Daily check (routine)Create a routine that runs every day at 9:00 AM:1. Read `trials/active.md`.2. Get today's date with the `time` tool.3. For each ACTIVE trial, work out how many days remain (end date − today).4. Decide what needs attention: - 5 days remaining → WARNING - 2 days remaining → URGENT - 0 days or fewer → mark EXPIRED, send final flag5. Send a Telegram message only if at least one trial needs attention. If nothing is due, reply `HEARTBEAT_OK` and stop.Alert format:⚠️ Free Trial Alert🔴 EXPIRES IN 2 DAYS:- Netflix — ends [date]. Cancel now or you'll be charged.🟡 EXPIRES IN 5 DAYS:- Spotify — ends [date]. Decide soon.⛔ JUST EXPIRED:- Adobe — trial ended [date]. Check if you were charged.## Commands- "show my trials" — list all active trials with their end dates and days remaining- "cancelled [service]" — mark a trial as handled and stop tracking it

Frequently asked questions