Agent skill

Miro Security Basics

by jeremylongshore in jeremylongshore/tons-of-skills-marketplace

Audit and harden repository-side Miro OAuth, session, storage, scope, logging, and board-data controls against common integration failures.

MITAuto-check passedBackend & APIs

Install Miro Security Basics

skills CLI
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill miro-security-basics -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install jeremylongshore/tons-of-skills-marketplace miro-security-basics --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/.curated/miro-security-basics .claude/skills/miro-security-basics && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
miro-security-basics
GitHub stars
2.8k
Token cost
~1.1k tokens
SKILL.md length
469 words
Files
2 (incl. references)
Skills in repo
3,342
Repo updated
First seen
Licence
MIT

At a glance

Audit and harden repository-side Miro OAuth, session, storage, scope, logging, and board-data controls against common integration failures.

  • Works in 6 steps: Map entry points, OAuth redirects,… → Minimize scopes and verify authorization… → Encrypt tokens at rest, restrict… → …
  • Security-reviewing a Miro app
  • SKILL.md covers Overview, Prerequisites, Tool Discipline and Current Contract, plus 7 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Miro Security Basics is an agent skill from jeremylongshore/tons-of-skills-marketplace. Audit and harden repository-side Miro OAuth, session, storage, scope, logging, and board-data controls against common integration failures. Use when security-reviewing a Miro app. Trigger with "secure Miro integration".

Its SKILL.md is about 1.1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/official-docs.md`). Compatibility notes: Designed for Claude Code; live work requires an authorized Miro app and redacted evidence

It sits in Backend & APIs, covering OAuth and OpenID Connect. The repository describes itself as: Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com. The licence is MIT.

When your agent uses it

  • Security-reviewing a Miro app
  • With secure Miro integration

Example prompts

  • “secure Miro integration”
  • “/miro-security-basics”

Requirements

  • Compatibility (from SKILL.md): Designed for Claude Code; live work requires an authorized Miro app and redacted evidence
  • Pre-approved tools (allowed-tools): Read, Glob, Grep, WebFetch, Write, Edit

Workflow steps

6 steps, taken from the first numbered list in SKILL.md.

  1. Map entry points, OAuth redirects, sessions, tokens, board data, logs, exports, and administrators.
  2. Minimize scopes and verify authorization again at each server-side tenant/resource boundary.
  3. Encrypt tokens at rest, restrict decryption, serialize refresh rotation, and provide revocation/deletion paths.
  4. Set secure cookie, CSRF, frame/origin, redirect, input-validation, and outbound-host controls appropriate to the app.
  5. Redact credentials and content from telemetry; scan dependencies and production bundles for accidental exposure.
  6. Test cross-tenant denial, revoked tokens, stale sessions, malformed inputs, and data deletion; record residual risks.

What it can do on your machine

Read from SKILL.md and the folder at commit cfae287. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Glob
    • Grep
    • WebFetch
    • Write
    • Edit

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Links to these hosts (documentation or services it may open):

    • developers.miro.com

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

  • Compatibility

    Designed for Claude Code; live work requires an authorized Miro app and redacted evidence

    From compatibility in the SKILL.md frontmatter.

Context cost

Miro Security Basics loads about 1.1k tokens when it runs, and up to ~1.4k if it reads all its reference files. Until then it costs about 60 tokens; SKILL.md has 469 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~60
When it runs · the whole SKILL.md, loaded when a task matches
~1.1k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.4k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from jeremylongshore/tons-of-skills-marketplace at commit cfae287, republished under its MIT licence (© jeremylongshore). 469 words, ~1,120 tokens.

Download SKILL.mdSave it as .claude/skills/miro-security-basics/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
miro-security-basics
description
Audit and harden repository-side Miro OAuth, session, storage, scope, logging, and board-data controls against common integration failures. Use when security-reviewing a Miro app. Trigger with "secure Miro integration".
allowed-tools
Read, Glob, Grep, WebFetch, Write, Edit
compatibility
Designed for Claude Code; live work requires an authorized Miro app and redacted evidence
argument-hint
[environment] [threat-scope]
version
1.9.0
author
Jeremy Longshore <jeremy@intentsolutions.io>
license
MIT
tags
saas, miro, security, oauth
model
inherit
effort
high

Miro Integration Security Baseline

Overview

Apply a minimum security baseline tied to Miro's supported authorization model and the app's actual data flows. Eliminate obsolete webhook assumptions from the threat model; use the evidence produced here to make the next decision explicit and reviewable.

Prerequisites

  • Data-flow and trust-boundary diagram
  • App configuration, scopes, token mode, and storage design
  • Threat model and approved data-retention policy

Tool Discipline

Use Read, Glob, and Grep to inspect the repository, configuration names, adapters, tests, and evidence. Use WebFetch only for current official Miro documentation. Use Write or Edit after confirming the requested mode, target environment, tenant, board, and approval boundary. These declared tools do not call authenticated Miro APIs or deployment CLIs; implement client, configuration, and test changes, then return exact operator commands or an approval-gated handoff for live execution.

Current Contract

  • Miro requires OAuth 2.0 for REST apps and tells Marketplace apps not to request user credentials.
  • Every request must be authenticated and authorized; stored Miro user data requires its own access control.
  • Session cookies should be HttpOnly and Secure; OAuth callbacks require session-bound state validation.
  • The retired experimental webhook service provides no current server-to-server signature contract to implement.

Authentication

For REST work, use OAuth 2.0 Authorization Code with the narrowest Miro scopes. Bind each encrypted token record to its user, application, authorized team, and granted scopes. Never print access tokens, refresh tokens, client secrets, authorization codes, or board content.

Instructions

  1. Map entry points, OAuth redirects, sessions, tokens, board data, logs, exports, and administrators.
  2. Minimize scopes and verify authorization again at each server-side tenant/resource boundary.
  3. Encrypt tokens at rest, restrict decryption, serialize refresh rotation, and provide revocation/deletion paths.
  4. Set secure cookie, CSRF, frame/origin, redirect, input-validation, and outbound-host controls appropriate to the app.
  5. Redact credentials and content from telemetry; scan dependencies and production bundles for accidental exposure.
  6. Test cross-tenant denial, revoked tokens, stale sessions, malformed inputs, and data deletion; record residual risks.
Show full SKILL.md (148 more words)Show less

Approval Boundaries

Do not add scopes, retain board content, weaken cookie/CSRF controls, or introduce an experimental platform dependency without security and data-owner approval. Pause when the responsible owner or exact target is uncertain.

Output

Return threat boundaries, scope diff, control evidence, negative-test results, data-retention map, open risks, and remediation owners. State what was not inspected or changed so the receipt cannot overclaim coverage.

Error Handling

ConditionResponse
Cross-tenant read succeedsDisable the affected path and treat it as a security incident.
Credential appears in logsRestrict access, rotate/revoke it, purge under policy, and repair redaction.
State validation is absentBlock OAuth completion until it is implemented.
Unsupported event contract is assumedRemove the claim and redesign around supported reads or in-board events.

Examples

The example is a redacted operator receipt; identifiers are hashes or bounded labels, not board content or credentials.

text
scopes=boards:read; state=verified; tokens=encrypted; tenant-negative-tests=passed; log-secrets=0; residual=2-low

Resources

© jeremylongshore, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file (references) in skills/.curated/miro-security-basics of jeremylongshore/tons-of-skills-marketplace.

  • SKILL.md
  • references/official-docs.md

Open the folder on GitHubat commit cfae287

Compare with similar skills

Miro Security Basics next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Miro Security Basics compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Miro Security Basics this skilljeremylongshore/tons-of-skills-marketplace2.8k—~1.1kAutomated safety check: PassMIT
Fortify Developmentcoollabsio/coolify63k4 repos~1.9kAutomated safety check: PassMIT
OmniRoute Provider Managementdiegosouzapw/OmniRoute75k—~2.4kAutomated safety check: PassMIT
Antipattern Preventiondoorkeeper-gem/doorkeeper5.5k—~1.1kAutomated safety check: PassMIT
Cognitoitsmostafa/aws-agent-skills1.2k1 repos~2.3kAutomated safety check: PassMIT
Notion Worker Third-Party Auth Guidemakenotion/workers-template4391 repos~3.5kAutomated safety check: NotesMIT

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Categories

Questions about Miro Security Basics

What does Miro Security Basics do?

Audit and harden repository-side Miro OAuth, session, storage, scope, logging, and board-data controls against common integration failures. Miro Security Basics is an agent skill from jeremylongshore/tons-of-skills-marketplace. Audit and harden repository-side Miro OAuth, session, storage, scope, logging, and board-data controls against common integration failures.

When should I use Miro Security Basics?

Miro Security Basics fits situations like: security-reviewing a Miro app; with secure Miro integration.

How do I install Miro Security Basics in Claude Code?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill miro-security-basics -a claude-code`. Or copy the skill folder (skills/.curated/miro-security-basics in jeremylongshore/tons-of-skills-marketplace) into .claude/skills/miro-security-basics in your project. Claude Code loads it when a task matches its description.

How do I install Miro Security Basics in Codex?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill miro-security-basics -a codex`. Or copy the skill folder (skills/.curated/miro-security-basics in jeremylongshore/tons-of-skills-marketplace) into .agents/skills/miro-security-basics in your project. Codex loads it when a task matches its description.

Can I use Miro Security Basics in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill miro-security-basics -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/miro-security-basics, .gemini/skills/miro-security-basics, .github/skills/miro-security-basics and .opencode/skills/miro-security-basics in your project.

What does Miro Security Basics need to run?

SKILL.md names no scripts, command-line tools or credentials: Miro Security Basics is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Glob, Grep, WebFetch, Write, Edit. Compatibility (from SKILL.md): Designed for Claude Code; live work requires an authorized Miro app and redacted evidence.

Does Miro Security Basics access the network?

SKILL.md names 1 domain. As links in the text: developers.miro.com. This is read from the text; nothing was executed.

Is Miro Security Basics safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Miro Security Basics use?

Miro Security Basics is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Miro Security Basics use?

About 1.1k tokens (SKILL.md is roughly 4.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 277 tokens, read only when the agent opens those files.

What are the alternatives to Miro Security Basics?

Skills that share tags, products or a category with Miro Security Basics: Fortify Development (coollabsio/coolify, 63k stars), OmniRoute Provider Management (diegosouzapw/OmniRoute, 75k stars), Antipattern Prevention (doorkeeper-gem/doorkeeper, 5.5k stars) and Cognito (itsmostafa/aws-agent-skills, 1.2k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Miro Security Basics?

jeremylongshore (a GitHub user) maintains it in jeremylongshore/tons-of-skills-marketplace, which has 2,827 GitHub stars. The repository holds 3,342 skills in this directory. The repository was last updated on October 10, 2026.

Source: jeremylongshore/tons-of-skills-marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.