google-calendar

google-calendar is a skill for Claude Code, Codex from Open-Curiosity/gini-agent. It costs 20 tokens per session (3,460 once invoked), scanned A, original, MIT.

A command-line connection to Google Calendar for listing and changing events, finding available times, managing responses, and checking calendar access permissions.

In plain words
What is it for?
Use it to view schedules, create or update meetings, accept invitations, find free or busy periods, and manage calendar access.
Why use it?
It lets a coding agent work with calendar information without requiring manual switching between calendar screens.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to view schedules, create or update meetings, accept invitations, find free or busy periods, and manage calendar access.

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Install with agentmods
npx agentmods add skills/open-curiosity/gini-agent/google-calendar
About the project

Gini Agent is a personal AI-agent runtime that manages conversations, runs, tasks, approvals, memory, skills, jobs, tools, traces, audit events, and runtime health across its clients. It is for an agent that can remember, learn from task outcomes, and operate through desktop or mobile interfaces with user controls. Catalogue add-ons extend the runtime with skills and instructions.

Open-Curiosity/gini-agent · 2,018 stars · on GitHub

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 Open-Curiosity/gini-agent --skill google-calendar
Clone the repo
git clone --depth 1 https://github.com/Open-Curiosity/gini-agent

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 google-calendar

README.md
[![agentmods](https://agentmods.dev/badge/skills/open-curiosity/gini-agent/google-calendar/github.svg)](https://agentmods.dev/skills/open-curiosity/gini-agent/google-calendar)
Your own site
<a href="https://agentmods.dev/skills/open-curiosity/gini-agent/google-calendar"><img src="https://agentmods.dev/badge/skills/open-curiosity/gini-agent/google-calendar/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 google-calendar

Your own site · 80×15
<a href="https://agentmods.dev/skills/open-curiosity/gini-agent/google-calendar"><img src="https://agentmods.dev/badge/skills/open-curiosity/gini-agent/google-calendar.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 20 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,460 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. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 2 findings, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high Privilege Escalation · line 140
    Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.
    Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
  • medium Excessive Agency · line 215
    Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.
    Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
How audits are shown
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 $0.00020 $0.03460
Opus 5 $0.00010 $0.01730
Sonnet 5 $0.00004 $0.00692
Haiku 4.5 $0.00002 $0.00346

Measured 9d ago against content hash f367387f8e4f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

google-calendar 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.

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.

skills/google/google-calendar/SKILL.md · 226 lines

How it starts

The opening of the file, as written. The whole thing — 226 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Google Calendar

Use gws calendar to list events, create and update events, look up free/busy windows, and manage calendar ACLs. The CLI wraps the Calendar v3 API and produces structured JSON.

Prerequisites

  • If this deployment is managed/hosted, the Google credential is already provisioned at sign-in — gws is installed and authenticated, so skip the setup flow below and run gws directly. Scopes are fixed at sign-in on a managed deployment: when a call fails with scope required or HTTP 401, tell the user which action needs a scope their account wasn't granted, instead of trying to set anything up. (The scope list below still describes which verb needs which scope.)
  • gws installed and authenticated. If gws is not on PATH OR gws auth status reports no authenticated user, do NOT silently call setup. Instead, in a single short reply to the user:
    1. State plainly what's missing — e.g. "Google Workspace access isn't set up on this machine yet" or "your Google sign-in has expired."
    2. Ask one sentence: "Want me to walk you through setting it up?" Wait for the user's answer.
    3. If they say yes, call read_skill with name google-workspace-setup and run that skill's onboarding flow turn-by-turn. If they say no or ask to defer, acknowledge briefly and stop — do not retry the original request.
  • Apply the same flow when any gws calendar ... call fails mid-task with command not found / ENOENT, HTTP 401, "no credentials", or "scope required". Don't report the failure as a dead end — surface the missing prerequisite and ask if the user wants to set it up before moving on.
  • OAuth scopes the user picked at login must cover the verbs the agent will use:
    • Read-only agenda / free-busy: calendar.readonly
    • Create, update, delete events: calendar.events (or full calendar)
    • Manage calendar lists, ACLs, and secondary calendars: full calendar

Selecting a Google account

The connected Google accounts (each with its tag, email, and config dir) are listed in your system context under "Connected Google accounts". To target a specific account, prefix the command with its config dir:

Read the full file on GitHub · 226 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. 9d ago First seen · 226 lines · 20 tokens per session scan A f367387f8e4f

Subscribe to this mod's changes

google-calendar is a skill published in the GitHub repository Open-Curiosity/gini-agent (2,018 stars, last pushed 1mo ago), licensed MIT. It adds 20 tokens to every session and 3,460 once invoked, about $0.0001 per session on Opus 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 2026-08-30.

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