drupal-api

A guide for reading and changing Drupal content through Drupal’s built-in JSON:API, a web interface for structured content. Drupal is a system for managing websites and their content.

In plain words
What is it for?
It helps list, search, create, update, and delete articles, pages, and other content, as well as browse categories and users.
Why use it?
It removes the need to edit Drupal content manually when the site exposes this API and clarifies how to find content identifiers and fields.

Skill for Claude CodeCodex

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

Made for: Claude Code, Codex.

Per session 139 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 709 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. 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 $0.00139 $0.00709
Opus 5 $0.00069 $0.00354
Sonnet 5 $0.00028 $0.00142
Haiku 4.5 $0.00014 $0.00071

Measured yesterday against content hash 23d2e16e9bdc, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

drupal-api 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 yesterday.

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/drupal-api/SKILL.md · 59 lines

How it starts

The opening of the file, as written. The whole thing — 59 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Drupal MCP

This plugin exposes a Drupal site's core JSON:API as MCP tools. It works on any Drupal 10/11 site with the jsonapi core module enabled.

Tools

  • drupal_list_nodes — list nodes of a bundle (filter / sort / paginate).
  • drupal_get_node — fetch one node by UUID.
  • drupal_create_node — create a new node.
  • drupal_update_node — patch attributes or relationships.
  • drupal_delete_node — delete by UUID.
  • drupal_list_taxonomy_terms — list terms in a vocabulary.
  • drupal_list_users — list users.
  • drupal_query_jsonapi — escape hatch for arbitrary GETs.

Conventions

  • All identifiers are UUIDs (JSON:API canonical), not numeric nids. Use drupal_list_nodes first to find the UUID.
  • Bundle = content type machine name (e.g. article, page).
  • attributes is a flat object of JSON:API field names → values, e.g. { title: '...', body: { value: '...', format: 'basic_html' }, status: true }.
  • relationships follow JSON:API shape: { field_image: { data: { type: 'file--file', id: 'uuid' } } }.
  • Filter shorthand: { field_category: '1' } becomes filter[field_category]=1. Operators: { field_category: { value: '1', operator: '=' } }.

Auth + permissions

The MCP runs as a configured Drupal user. Permissions on that user's role decide what is reachable. For least privilege, create a mcp_bot user with a dedicated role that only grants the bundles/operations you actually need. JSON:API ignores the access_check flag — Drupal field access still applies.

Pre-flight

Before any write, confirm with the user:

  1. Which bundle / vocabulary?
  2. Which environment (prod vs dev)?
  3. Show the full payload before issuing the call.

Deletion is irreversible. Always read first, then ask, then delete.

Common patterns

Find the latest published articles:

drupal_list_nodes(bundle='article', filter={status: 1}, sort='-created', limit=5)

Update an article body:

drupal_update_node(bundle='article', uuid='<uuid>', attributes={ body: { value: '...', format: 'basic_html' } })

Read the full file on GitHub · 59 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. yesterday First seen · 59 lines · 139 tokens per session scan A 23d2e16e9bdc

Subscribe to this mod's changes

drupal-api is a skill published in the GitHub repository lucaspretti/drupal-mcp (0 stars, last pushed 20d ago), licensed MIT. It adds 139 tokens to every session and 709 once invoked, about $0.0007 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 2026-08-31.

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