agentmods.dev

contentful-api

A language-independent guide to Contentful’s HTTP APIs, which let programs read, preview, create, update, and manage structured content and media. Examples use curl, a command-line tool for making web requests.

In plain words
What is it for?
Use it to write REST or GraphQL requests for content, entries, assets, environments, drafts, published data, localized content, images, and incremental synchronization.
Why use it?
It explains authentication, request formats, versions, pagination, limits, errors, and the differences between Contentful’s APIs. This helps developers make correct requests without relying on a particular programming language.

Skill for Claude CodeCodex

Part of the contentful plugin — 9 skills shipped together

39 4d ago A scan 61 tokens original MIT
View the source file contentful/skills
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.

agentmods
npx agentmods add skills/contentful/skills/contentful-api
Any agent
npx skills add contentful/skills --skill contentful-api
Clone the repo
git clone --depth 1 https://github.com/contentful/skills

Made for: Claude Code, Codex.

Or install contentful, the plugin that ships this one along with the rest of its 9 skills.

Per session 61 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 691 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
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 $0.00061 $0.00691
Opus 5 $0.00030 $0.00345
Sonnet 5 $0.00012 $0.00138
Haiku 4.5 $0.00006 $0.00069

Measured 3d ago against content hash 5d2fa635861c, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

contentful-api scanned grade A with 1 finding 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 3d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

description: Comprehensive Contentful REST API guide. Covers Content Management API (CMA) for creating/updating content, Content Delivery API (CDA) for fetching published content, Preview API, Images API, and GraphQL API
skills/contentful-api/SKILL.md · 70 lines

How it starts

The opening of the file, as written. The whole thing — 70 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Contentful REST API Guide

Language-agnostic guide for Contentful APIs using HTTP/curl.

Shared References

  • Authentication — Token types, auth headers, API base URLs (US/EU)
  • HTTP Conventions — Version locking, rate limits, pagination, errors, locale structure

Content Management API (CMA)

Read/write API for managing content, content types, assets, and environments.

Start here: references/content-management/overview.md

  • entries.md — CRUD, publish/unpublish, versioning, query parameters
  • content-types.md — Define/update content models, field types, validations
  • assets.md — Upload, process, publish media files
  • environments.md — Create, clone, manage environments and aliases

Content Delivery API (CDA)

Read-only API for fetching published content.

Start here: references/content-delivery/overview.md

Content Preview API

Draft + published content via same CDA endpoints, different host/token.

Reference: references/content-preview/overview.md

Images API

On-the-fly image transformations via URL parameters. No authentication needed.

Reference: references/images/overview.md

GraphQL API

Read the full file on GitHub · 70 lines

Files

What ships with it

17 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 3d ago First seen · 70 lines · 61 tokens per session scan A 5d2fa635861c

Subscribe to this mod's changes

contentful-api is a skill published in the GitHub repository contentful/skills (39 stars, last pushed 4d ago), licensed MIT. It adds 61 tokens to every session and 691 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Backend and APIsOptimizationagentscontentfulskills
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