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Agent skill

Doaj API

by wentorai in wentorai/research-plugins

Search open access journals and articles in the DOAJ directory

MITAuto-check passedBackend & APIs

Install Doaj API

skills CLI
$ npx skills add wentorai/research-plugins --skill doaj-api -a claude-code

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

GitHub CLI
$ gh skill install wentorai/research-plugins doaj-api --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/wentorai/research-plugins.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/literature/fulltext/doaj-api .claude/skills/doaj-api && 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
doaj-api
GitHub stars
298
Used in
1 other repo
Token cost
~1.5k tokens
SKILL.md length
526 words
Files
1
Skills in repo
428
Repo updated
First seen
Licence
MIT

At a glance

Search open access journals and articles in the DOAJ directory

  • Backend & APIs work in your project
  • SKILL.md covers Overview, Authentication, Core Endpoints and Rate Limits, plus 2 more sections
  • Calls curl and jq; reaches doaj.org

What it does

Doaj API is an agent skill from wentorai/research-plugins. Search open access journals and articles in the DOAJ directory

Its SKILL.md is about 1.5k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Backend & APIs. The repository describes itself as: 350+ academic research skills, MCP configs, and plugins for Research-Claw and AI agents. The licence is MIT.

When your agent uses it

  • Backend & APIs work in your project

Example prompts

  • “/doaj-api”

What it can do on your machine

Read from SKILL.md and the folder at commit bf44b3c. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • curl
    • jq

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

  • Network

    Hosts in commands or code, which the agent is likely to contact:

    • doaj.org

    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.

Context cost

Doaj API loads about 1.5k tokens when it runs. Until then it costs about 18 tokens; SKILL.md has 526 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~18
When it runs · the whole SKILL.md, loaded when a task matches
~1.5k

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 wentorai/research-plugins at commit bf44b3c, republished under its MIT licence (© wentorai). 526 words, ~1,458 tokens.

Download SKILL.mdSave it as .claude/skills/doaj-api/SKILL.md (or your agent's skills folder).
name
doaj-api
description
Search open access journals and articles in the DOAJ directory

DOAJ API Guide

Overview

The Directory of Open Access Journals (DOAJ) is a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals. Founded in 2003, DOAJ currently indexes over 20,000 journals and 9 million articles from 130 countries, covering all areas of science, technology, medicine, social sciences, arts, and humanities.

DOAJ serves as a quality filter for open access publishing. Journals must meet strict criteria to be included, including editorial review, transparent policies, and adherence to open access principles. This makes DOAJ particularly valuable for researchers who need to verify whether a journal is a legitimate open access outlet, librarians curating discovery systems, and developers building tools that surface OA content.

The DOAJ API provides free, unauthenticated access to search and retrieve journal and article metadata. All data is available under a CC BY-SA license. The API returns JSON and supports Elasticsearch-style queries for advanced filtering.

Authentication

No authentication required. The DOAJ API is fully open and free to use. No API key, registration, or email is needed. There are no published rate limits, but users should be respectful and avoid sending excessive concurrent requests. For bulk data access, DOAJ provides data dumps at https://doaj.org/docs/public-data-dump/.

Core Endpoints

Article Search: Find Open Access Articles
  • URL: GET https://doaj.org/api/search/articles/{search_query}
  • Parameters:
    ParamTypeRequiredDescription
    search_querystringYesSearch query (URL path parameter, supports field-specific search)
    pageintegerNoPage number (default: 1)
    pageSizeintegerNoResults per page (default: 10, max: 100)
    sortstringNoSort field (e.g., created_date:desc)
  • Example:
    bash
    curl "https://doaj.org/api/search/articles/climate+change?page=1&pageSize=10"
  • Response: JSON with total count and results array. Each result contains bibjson with title, abstract, author, journal.title, identifier (DOI, ISSN), link (full-text URL), year, month, keywords, and subject.
Journal Search: Find Open Access Journals
  • URL: GET https://doaj.org/api/search/journals/{search_query}
  • Parameters:
    ParamTypeRequiredDescription
    search_querystringYesJournal search query
    pageintegerNoPage number (default: 1)
    pageSizeintegerNoResults per page (default: 10, max: 100)
  • Example:
    bash
    curl "https://doaj.org/api/search/journals/bioinformatics?page=1&pageSize=5"
  • Response: JSON with journal records containing bibjson with title, alternative_title, identifier (ISSN, EISSN), publisher, institution, subject, license, apc (article processing charge info), language, and editorial.review_process.
Show full SKILL.md (188 more words)Show less
Article by DOI: Direct Lookup
  • URL: GET https://doaj.org/api/search/articles/doi:{doi}
  • Parameters:
    ParamTypeRequiredDescription
    doistringYesThe DOI to look up
  • Example:
    bash
    curl "https://doaj.org/api/search/articles/doi:10.1371/journal.pone.0213676"
  • Response: JSON with matching article records from DOAJ-indexed journals.
Journal by ISSN: Direct Lookup
  • URL: GET https://doaj.org/api/search/journals/issn:{issn}
  • Parameters:
    ParamTypeRequiredDescription
    issnstringYesThe ISSN to look up
  • Example:
    bash
    curl "https://doaj.org/api/search/journals/issn:1932-6203"
  • Response: JSON with journal record including full metadata and policies.

Rate Limits

No published rate limits. DOAJ does not enforce strict API quotas. However, the service is maintained by a small nonprofit team. Best practices include limiting requests to a reasonable rate (2-5 per second), caching results, and using the public data dump for large-scale analyses. Abusive usage may result in IP blocking without notice.

Common Patterns

Verify Journal Quality

Check if a journal is indexed in DOAJ (a proxy for quality and legitimacy):

bash
curl -s "https://doaj.org/api/search/journals/issn:2045-2322" | jq '{total: .total, title: .results[0].bibjson.title, publisher: .results[0].bibjson.publisher.name, license: .results[0].bibjson.license[0].type}'
Find OA Articles in a Subject Area

Search for articles within a specific discipline with full-text links:

bash
curl -s "https://doaj.org/api/search/articles/bibjson.subject.term:neuroscience?pageSize=20" | jq '.results[] | {title: .bibjson.title, journal: .bibjson.journal.title, url: .bibjson.link[0].url, year: .bibjson.year}'
Check APC (Article Processing Charge) Information

Determine if a journal charges fees for publishing:

bash
curl -s "https://doaj.org/api/search/journals/issn:2041-1723" | jq '.results[0].bibjson | {title: .title, has_apc: .apc.has_apc, apc_amount: .apc.max[0].price, currency: .apc.max[0].currency}'

References

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

Files

Just SKILL.md in skills/literature/fulltext/doaj-api of wentorai/research-plugins.

Open the folder on GitHubat commit bf44b3c

Used in 1 other repository

We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in wentorai/research-plugins, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Doaj API 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.

Doaj API compared with similar skills
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Doaj API this skillwentorai/research-plugins2981 repos~1.5kAutomated safety check: PassMIT
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Nestjs Best Practicesrolling-scopes/rsschool-app10k6 repos~1.2kAutomated safety check: PassMIT
Sub2API AdminWei-Shaw/sub2api43k1 repos~717Automated safety check: PassLGPL-3.0
Firecrawl Build Onboardingfirecrawl/firecrawl189k1 repos~1.4kAutomated safety check: NotesISC
Obsidian BasesAtmosphere/atmosphere3.8k22 repos~3.2kAutomated safety check: PassApache-2.0

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Categories

Questions about Doaj API

What does Doaj API do?

Search open access journals and articles in the DOAJ directory. Doaj API is an agent skill from wentorai/research-plugins.

When should I use Doaj API?

Doaj API fits situations like: backend & APIs work in your project.

How do I install Doaj API in Claude Code?

Run `npx skills add wentorai/research-plugins --skill doaj-api -a claude-code`. Or copy the skill folder (skills/literature/fulltext/doaj-api in wentorai/research-plugins) into .claude/skills/doaj-api in your project. Claude Code loads it when a task matches its description.

How do I install Doaj API in Codex?

Run `npx skills add wentorai/research-plugins --skill doaj-api -a codex`. Or copy the skill folder (skills/literature/fulltext/doaj-api in wentorai/research-plugins) into .agents/skills/doaj-api in your project. Codex loads it when a task matches its description.

Can I use Doaj API 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 wentorai/research-plugins --skill doaj-api -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/doaj-api, .gemini/skills/doaj-api, .github/skills/doaj-api and .opencode/skills/doaj-api in your project.

What does Doaj API need to run?

Going by SKILL.md and its folder, Doaj API needs the command-line tools its instructions call (curl and jq).

Does Doaj API access the network?

SKILL.md names 1 domain. In commands or code: doaj.org; the agent is likely to contact it when it follows the instructions. This is read from the text; nothing was executed.

Is Doaj API 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 Doaj API use?

Doaj API is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Doaj API use?

About 1.5k tokens (SKILL.md is roughly 5.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Doaj API?

Skills that share tags, products or a category with Doaj API: Configuring Horizon (coollabsio/coolify, 63k stars), Nestjs Best Practices (rolling-scopes/rsschool-app, 10k stars), Sub2API Admin (Wei-Shaw/sub2api, 43k stars) and Firecrawl Build Onboarding (firecrawl/firecrawl, 189k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Doaj API?

wentorai (a GitHub user) maintains it in wentorai/research-plugins, which has 298 GitHub stars. The repository holds 428 skills in this directory. The repository was last updated on June 19, 2026.

Source: wentorai/research-plugins on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.