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Agent skill

Exa Security Basics

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

Threat-model Exa credentials, query intent, retrieved web content, generated output, and retained operational evidence as separate trust boundaries.

MITAuto-check passedSecurity

Install Exa Security Basics

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

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

GitHub CLI
$ gh skill install jeremylongshore/tons-of-skills-marketplace exa-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/exa-security-basics .claude/skills/exa-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
exa-security-basics
GitHub stars
2.8k
Token cost
~1.2k tokens
SKILL.md length
564 words
Files
2 (incl. references)
Skills in repo
3,342
Repo updated
First seen
Licence
MIT

At a glance

Threat-model Exa credentials, query intent, retrieved web content, generated output, and retained operational evidence as separate trust boundaries.

  • Works in 6 steps: Classify queries, URLs, retrieved… → Confirm team plan and enterprise… → Keep API and service keys server-side… → …
  • Reviewing this Exa boundary
  • SKILL.md covers Overview, Prerequisites, Current Contract and Authentication, plus 8 more sections
  • Needs EXA_API_KEY

What it does

Exa Security Basics is an agent skill from jeremylongshore/tons-of-skills-marketplace. Threat-model Exa credentials, query intent, retrieved web content, generated output, and retained operational evidence as separate trust boundaries. Use when operating or reviewing this Exa boundary. Trigger with "Exa security basics", "review Exa security basics", or "fix Exa security basics".

Its SKILL.md is about 1.2k 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 Exa work requires network access

It sits in Security, covering Threat modeling. 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

  • Reviewing this Exa boundary
  • With Exa security basics
  • Review Exa security basics
  • Fix Exa security basics

Example prompts

  • “Exa security basics”
  • “review Exa security basics”
  • “fix Exa security basics”
  • “/exa-security-basics”

Requirements

  • A credential in EXA_API_KEY
  • Compatibility (from SKILL.md): Designed for Claude Code; live Exa work requires network access
  • Pre-approved tools (allowed-tools): Read, Glob, Grep, Write, Edit

Workflow steps

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

  1. Classify queries, URLs, retrieved content, outputs, identifiers, and credentials separately.
  2. Confirm team plan and enterprise controls before asserting compliance.
  3. Keep API and service keys server-side with narrow ownership and rotation.
  4. Apply moderation, domain policy, output validation, and prompt-injection defenses.
  5. Store only approved evidence and propagate deletion or retention decisions downstream.
  6. Test credential revocation, policy denial, regional blocks, and incident escalation.

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
    • 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

    No URLs in SKILL.md.

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

  • Credentials

    Names these keys or tokens, usually read from environment variables:

    • EXA_API_KEY

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

  • Compatibility

    Designed for Claude Code; live Exa work requires network access

    From compatibility in the SKILL.md frontmatter.

Context cost

Exa Security Basics loads about 1.2k tokens when it runs, and up to ~1.7k if it reads all its reference files. Until then it costs about 79 tokens; SKILL.md has 564 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~79
When it runs · the whole SKILL.md, loaded when a task matches
~1.2k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.7k

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). 564 words, ~1,244 tokens.

Download SKILL.mdSave it as .claude/skills/exa-security-basics/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
exa-security-basics
description
Threat-model Exa credentials, query intent, retrieved web content, generated output, and retained operational evidence as separate trust boundaries. Use when operating or reviewing this Exa boundary. Trigger with "Exa security basics", "review Exa security basics", or "fix Exa security basics".
allowed-tools
Read, Glob, Grep, Write, Edit
compatibility
Designed for Claude Code; live Exa work requires network access
argument-hint
<data-class> <product-surface> <retention-mode>
version
1.12.0
license
MIT
author
Jeremy Longshore <jeremy@intentsolutions.io>
tags
saas, exa
model
inherit
effort
high

Exa Security and Data Boundary

Overview

Threat-model Exa credentials, query intent, retrieved web content, generated output, and retained operational evidence as separate trust boundaries. Treat credentials, queries, retrieved content, generated output, spend, and destructive state as separately governed boundaries.

Prerequisites

  • The target repository, environment, Exa team, product surface, and accountable owner.
  • The workload's data classification, latency and freshness promise, cost ceiling, and retention policy.
  • Current first-party documentation plus credentials only for a narrowly approved live check.

Current Contract

Exa is SOC 2 Type II certified and offers enterprise controls such as Zero Data Retention and HIPAA enablement. HIPAA mode is request-scoped, supports only eligible Search and Contents cache-only retrieval, and rejects summaries or live freshness. Regional access restrictions can yield Cloudflare block pages rather than Exa JSON.

Authentication

For normal REST work, inject EXA_API_KEY from an approved server-side secret manager and send it only as Authorization: Bearer to the configured first-party Exa API host. Team Management service keys, hosted MCP OAuth or enterprise managed authorization, and payment-protocol calls are separate trust models. Never print, commit, place in a URL, or expose a credential to an untrusted client.

Instructions

  1. Classify queries, URLs, retrieved content, outputs, identifiers, and credentials separately.
  2. Confirm team plan and enterprise controls before asserting compliance.
  3. Keep API and service keys server-side with narrow ownership and rotation.
  4. Apply moderation, domain policy, output validation, and prompt-injection defenses.
  5. Store only approved evidence and propagate deletion or retention decisions downstream.
  6. Test credential revocation, policy denial, regional blocks, and incident escalation.

Tool Discipline

Use Read, Glob, and Grep to inspect repository code, configuration, fixtures, and evidence. Use Write and Edit only for approved implementation or documentation changes. Do not call Exa, run paid research, create or alter a Monitor, Webset, Agent run, Batch, team, member, API key, budget, webhook, or deployment merely because this skill was invoked.

Approval Boundaries

Require an accountable owner before live queries involving sensitive intent, production credentials, spend or rate-limit changes, forced live crawling, generated summaries, external delivery, deployment, member or key changes, schedule creation, or destructive cancellation, stopping, deletion, or revocation. Read-only repository inspection and synthetic offline validation do not authorize live vendor actions.

Show full SKILL.md (202 more words)Show less

Failure Modes

  • SOC 2 certification does not automatically authorize a workload.
  • HIPAA mode is not a global account toggle and does not support Agent, Answer, or livecrawl.
  • Retrieved public text can still be malicious, copyrighted, personal, or policy-restricted.

Output

Return the operation scope, environment, team and product surface, authorization class, contract and policy decisions, deterministic validation results, content-free identifiers, status and cost counts, risks, cleanup or rollback state, and a concise pass or fail receipt. Exclude credentials, raw queries, prompts, presigned URLs, retrieved content, generated output, and customer-derived data unless separately approved.

Example

  • An eligible HIPAA request uses instant or fast Search, cache-only text or highlights, and no summary or livecrawl.
  • Finish with request or resource IDs, assertion counts, cost and terminal state, rollback or deletion status, and the decision owner; never reproduce secrets or retrieved content.

Validation

Rerun the smallest relevant deterministic test, compare actual behavior with the requested outcome and current first-party contract, verify sensitive fields are absent from evidence, and confirm deadlines, terminal state, downstream retention, and rollback before reporting success.

References

Review the dated first-party evidence map before relying on any endpoint, parameter, search type, price, limit, beta, compliance, identity, retry, or lifecycle claim.

© 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/exa-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

Exa 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.

Exa Security Basics compared with similar skills
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Exa Security Basics this skilljeremylongshore/tons-of-skills-marketplace2.8k—~1.2kAutomated safety check: PassMIT
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Security And Hardeningpenpot/penpot61k6 repos~4.7kAutomated safety check: NotesMPL-2.0
X Raypashov/skills1.2k1 repos~10kAutomated safety check: PassMIT
Forensifyalexgreensh/repo-forensics190—~2.5kAutomated safety check: NotesCustom licence
Create Rulecartography-cncf/cartography4.1k—~3kAutomated safety check: PassApache-2.0

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Categories

Questions about Exa Security Basics

What does Exa Security Basics do?

Threat-model Exa credentials, query intent, retrieved web content, generated output, and retained operational evidence as separate trust boundaries. Exa Security Basics is an agent skill from jeremylongshore/tons-of-skills-marketplace. Threat-model Exa credentials, query intent, retrieved web content, generated output, and retained operational evidence as separate trust boundaries.

When should I use Exa Security Basics?

Exa Security Basics fits situations like: reviewing this Exa boundary; with Exa security basics; review Exa security basics; fix Exa security basics.

How do I install Exa Security Basics in Claude Code?

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

How do I install Exa Security Basics in Codex?

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

Can I use Exa 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 exa-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/exa-security-basics, .gemini/skills/exa-security-basics, .github/skills/exa-security-basics and .opencode/skills/exa-security-basics in your project.

What does Exa Security Basics need to run?

Going by SKILL.md and its folder, Exa Security Basics needs credentials named EXA_API_KEY. Our summary lists: A credential in EXA_API_KEY. Its frontmatter pre-approves these tools: Read, Glob, Grep, Write, Edit. Compatibility (from SKILL.md): Designed for Claude Code; live Exa work requires network access.

Does Exa Security Basics access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Exa 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 Exa Security Basics use?

Exa 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 Exa Security Basics use?

About 1.2k tokens (SKILL.md is roughly 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 459 tokens, read only when the agent opens those files.

What are the alternatives to Exa Security Basics?

Skills that share tags, products or a category with Exa Security Basics: Vuln Scan (hashgraph-online/awesome-codex-plugins, 1.3k stars), Security And Hardening (penpot/penpot, 61k stars), X Ray (pashov/skills, 1.2k stars) and Forensify (alexgreensh/repo-forensics, 190 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Exa 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.