> ## Documentation Index
> Fetch the complete documentation index at: https://docs.stackone.com/llms.txt
> Use this file to discover all available pages before exploring further.

# PubMed

> 9 actions available for PubMed through StackOne. Use via Actions RPC, Toolset SDK, MCP, or A2A.

<div className="not-prose" style={{ display: 'flex', alignItems: 'center', gap: '12px', marginBottom: '24px' }}>
  <img src="https://www.ncbi.nlm.nih.gov/favicon.ico" alt="PubMed" className="connector-page-icon" style={{ width: '48px', height: '48px', borderRadius: '10px', padding: '2px' }} />

  <div>
    <div style={{ fontSize: '24px', fontWeight: '600' }}>PubMed</div>
    <div className="connector-page-subtitle" style={{ fontSize: '14px' }}>9 actions · 2 auth methods</div>

    <div style={{ display: 'flex', flexWrap: 'wrap', gap: '6px', marginTop: '8px' }}>
      <span className="connector-page-tag-preview" style={{ display: 'inline-block', padding: '2px 8px', borderRadius: '4px', fontSize: '11px', fontWeight: '500' }}>Preview</span>
    </div>
  </div>
</div>

## Authentication

<Columns cols={2}>
  <Card title="No Authentication">
    No authentication required. Anonymous access is limited to 3 requests/second per IP.

    Guides: [Connector Profile](/connectors/pubmed/guides/connector-profile/no-authentication), [Link Account](/connectors/pubmed/guides/link-account/no-authentication)
  </Card>

  <Card title="API Key">
    Optional NCBI API key for higher throughput (10 requests/second). Create one at [https://www.ncbi.nlm.nih.gov/account/set](https://www.ncbi.nlm.nih.gov/account/set)...

    Guides: [Connector Profile](/connectors/pubmed/guides/connector-profile/api-key), [Link Account](/connectors/pubmed/guides/link-account/api-key)
  </Card>
</Columns>

<div className="connector-meta-library-section">
  <div className="connector-meta-library-title">Actions</div>

  <div className="connector-actions-controls not-prose" data-connector-actions-controls>
    <div className="connector-actions-controls__row">
      <input type="search" className="connector-actions-search" data-connector-actions-search placeholder="Search actions" aria-label="Search actions" />

      <div className="connector-actions-scopes" data-connector-actions-auth>
        <button type="button" className="connector-actions-scopes__toggle" data-connector-actions-auth-toggle aria-expanded="false">
          <span>Authentication type<span data-connector-actions-auth-count /></span>
        </button>

        <div className="connector-actions-scopes__menu">
          <div className="connector-actions-scopes__header">
            <input type="search" className="connector-actions-scopes__search" data-connector-actions-auth-search placeholder="Search auth methods..." aria-label="Search auth methods" />

            <div className="connector-actions-scopes__actions">
              <button type="button" data-connector-actions-auth-select-all>Select all</button>
              <span>|</span>
              <button type="button" data-connector-actions-auth-clear>Clear</button>
            </div>
          </div>

          <label className="connector-actions-scopes__item">
            <input type="checkbox" value="API Key" data-connector-actions-auth-filter />

            <span>API Key</span>
          </label>

          <label className="connector-actions-scopes__item">
            <input type="checkbox" value="No Authentication" data-connector-actions-auth-filter />

            <span>No Authentication</span>
          </label>

          <div className="connector-actions-scopes__empty" data-connector-actions-auth-empty hidden>No auth methods found</div>
        </div>
      </div>
    </div>
  </div>

  <div className="meta-library-count" data-connector-actions-count>9 actions</div>

  <div className="not-prose meta-library-table-container" data-connector-actions-table>
    <div className="connector-meta-library-grid" style={{ gridTemplateColumns: '200px 1fr' }}>
      <div className="connector-meta-library-row">
        <div className="meta-library-grid-header-cell">Action</div>
        <div className="meta-library-grid-header-cell">Description</div>
      </div>

      <div className="connector-meta-library-row" data-action-id="pubmed_search_articles" data-action-label="Search Articles" data-action-scopes="" data-action-auth="No Authentication,API Key" data-action-auth-scopes="{&#x22;No Authentication&#x22;:[],&#x22;API Key&#x22;:[]}">
        <div className="meta-library-grid-cell connector-meta-library-item-cell">
          <div style={{ fontWeight: '500' }}>Search Articles</div>
          <div style={{ marginTop: '4px' }}><button type="button" className="connector-page-code-button" data-copy="pubmed_search_articles" aria-label="Copy pubmed_search_articles"><code className="connector-page-code">pubmed\_search\_articles</code></button></div>
        </div>

        <div className="meta-library-grid-cell meta-library-grid-cell--description">Search PubMed for articles matching a query and return their PubMed IDs (PMIDs).</div>
      </div>

      <div className="connector-meta-library-row" data-action-id="pubmed_get_article_summaries" data-action-label="Get Article Summaries" data-action-scopes="" data-action-auth="No Authentication,API Key" data-action-auth-scopes="{&#x22;No Authentication&#x22;:[],&#x22;API Key&#x22;:[]}">
        <div className="meta-library-grid-cell connector-meta-library-item-cell">
          <div style={{ fontWeight: '500' }}>Get Article Summaries</div>
          <div style={{ marginTop: '4px' }}><button type="button" className="connector-page-code-button" data-copy="pubmed_get_article_summaries" aria-label="Copy pubmed_get_article_summaries"><code className="connector-page-code">pubmed\_get\_article\_summaries</code></button></div>
        </div>

        <div className="meta-library-grid-cell meta-library-grid-cell--description">Retrieve document summaries (title, authors, journal, publication date, identifiers) for one or more PMIDs.</div>
      </div>

      <div className="connector-meta-library-row" data-action-id="pubmed_get_articles" data-action-label="Get Articles" data-action-scopes="" data-action-auth="No Authentication,API Key" data-action-auth-scopes="{&#x22;No Authentication&#x22;:[],&#x22;API Key&#x22;:[]}">
        <div className="meta-library-grid-cell connector-meta-library-item-cell">
          <div style={{ fontWeight: '500' }}>Get Articles</div>
          <div style={{ marginTop: '4px' }}><button type="button" className="connector-page-code-button" data-copy="pubmed_get_articles" aria-label="Copy pubmed_get_articles"><code className="connector-page-code">pubmed\_get\_articles</code></button></div>
        </div>

        <div className="meta-library-grid-cell meta-library-grid-cell--description">Retrieve full article records or abstracts for one or more PMIDs.</div>
      </div>

      <div className="connector-meta-library-row" data-action-id="pubmed_match_citations" data-action-label="Match Citations" data-action-scopes="" data-action-auth="No Authentication,API Key" data-action-auth-scopes="{&#x22;No Authentication&#x22;:[],&#x22;API Key&#x22;:[]}">
        <div className="meta-library-grid-cell connector-meta-library-item-cell">
          <div style={{ fontWeight: '500' }}>Match Citations</div>
          <div style={{ marginTop: '4px' }}><button type="button" className="connector-page-code-button" data-copy="pubmed_match_citations" aria-label="Copy pubmed_match_citations"><code className="connector-page-code">pubmed\_match\_citations</code></button></div>
        </div>

        <div className="meta-library-grid-cell meta-library-grid-cell--description">Resolve free-text citation strings to PubMed IDs (PMIDs) in batch.</div>
      </div>

      <div className="connector-meta-library-row" data-action-id="pubmed_list_databases" data-action-label="List Databases" data-action-scopes="" data-action-auth="No Authentication,API Key" data-action-auth-scopes="{&#x22;No Authentication&#x22;:[],&#x22;API Key&#x22;:[]}">
        <div className="meta-library-grid-cell connector-meta-library-item-cell">
          <div style={{ fontWeight: '500' }}>List Databases</div>
          <div style={{ marginTop: '4px' }}><button type="button" className="connector-page-code-button" data-copy="pubmed_list_databases" aria-label="Copy pubmed_list_databases"><code className="connector-page-code">pubmed\_list\_databases</code></button></div>
        </div>

        <div className="meta-library-grid-cell meta-library-grid-cell--description">List all Entrez databases available through the E-utilities API.</div>
      </div>

      <div className="connector-meta-library-row" data-action-id="pubmed_get_database_info" data-action-label="Get Database Info" data-action-scopes="" data-action-auth="No Authentication,API Key" data-action-auth-scopes="{&#x22;No Authentication&#x22;:[],&#x22;API Key&#x22;:[]}">
        <div className="meta-library-grid-cell connector-meta-library-item-cell">
          <div style={{ fontWeight: '500' }}>Get Database Info</div>
          <div style={{ marginTop: '4px' }}><button type="button" className="connector-page-code-button" data-copy="pubmed_get_database_info" aria-label="Copy pubmed_get_database_info"><code className="connector-page-code">pubmed\_get\_database\_info</code></button></div>
        </div>

        <div className="meta-library-grid-cell meta-library-grid-cell--description">Retrieve statistics and metadata for a single Entrez database.</div>
      </div>

      <div className="connector-meta-library-row" data-action-id="pubmed_upload_id_list" data-action-label="Upload ID List" data-action-scopes="" data-action-auth="No Authentication,API Key" data-action-auth-scopes="{&#x22;No Authentication&#x22;:[],&#x22;API Key&#x22;:[]}">
        <div className="meta-library-grid-cell connector-meta-library-item-cell">
          <div style={{ fontWeight: '500' }}>Upload ID List</div>
          <div style={{ marginTop: '4px' }}><button type="button" className="connector-page-code-button" data-copy="pubmed_upload_id_list" aria-label="Copy pubmed_upload_id_list"><code className="connector-page-code">pubmed\_upload\_id\_list</code></button></div>
        </div>

        <div className="meta-library-grid-cell meta-library-grid-cell--description">Upload a list of UIDs to the Entrez History server and receive a WebEnv and query\_key.</div>
      </div>

      <div className="connector-meta-library-row" data-action-id="pubmed_get_related_articles" data-action-label="Get Related Articles" data-action-scopes="" data-action-auth="No Authentication,API Key" data-action-auth-scopes="{&#x22;No Authentication&#x22;:[],&#x22;API Key&#x22;:[]}">
        <div className="meta-library-grid-cell connector-meta-library-item-cell">
          <div style={{ fontWeight: '500' }}>Get Related Articles</div>
          <div style={{ marginTop: '4px' }}><button type="button" className="connector-page-code-button" data-copy="pubmed_get_related_articles" aria-label="Copy pubmed_get_related_articles"><code className="connector-page-code">pubmed\_get\_related\_articles</code></button></div>
        </div>

        <div className="meta-library-grid-cell meta-library-grid-cell--description">Find related or linked records for one or more PMIDs (similar articles, cross-database links, or LinkOut URLs).</div>
      </div>

      <div className="connector-meta-library-row" data-action-id="pubmed_get_spelling_suggestions" data-action-label="Get Spelling Suggestions" data-action-scopes="" data-action-auth="No Authentication,API Key" data-action-auth-scopes="{&#x22;No Authentication&#x22;:[],&#x22;API Key&#x22;:[]}">
        <div className="meta-library-grid-cell connector-meta-library-item-cell">
          <div style={{ fontWeight: '500' }}>Get Spelling Suggestions</div>
          <div style={{ marginTop: '4px' }}><button type="button" className="connector-page-code-button" data-copy="pubmed_get_spelling_suggestions" aria-label="Copy pubmed_get_spelling_suggestions"><code className="connector-page-code">pubmed\_get\_spelling\_suggestions</code></button></div>
        </div>

        <div className="meta-library-grid-cell meta-library-grid-cell--description">Return spelling suggestions for the terms in an Entrez query.</div>
      </div>
    </div>
  </div>
</div>

## Getting Started

<Steps>
  <Step title="Create or Select a Project">
    Set up a new project or select an existing one. See the [Projects Guide](/guides/managing-projects).
  </Step>

  <Step title="Configure the Connector">
    Enable the connector and set up a connector profile in your project. See [Managing Connectors](/guides/explore-connectors).

    <Columns cols={2}>
      <Card title="Connector Profile" href="/connectors/pubmed/guides/connector-profile/no-authentication" icon="https://www.ncbi.nlm.nih.gov/favicon.ico" horizontal>
        PubMed - No Authentication
      </Card>

      <Card title="Connector Profile" href="/connectors/pubmed/guides/connector-profile/api-key" icon="https://www.ncbi.nlm.nih.gov/favicon.ico" horizontal>
        PubMed - API Key
      </Card>
    </Columns>
  </Step>

  <Step title="Link an Account">
    Connect an account using [StackOne Hub](/guides/embedding-stackone-hub) or [Auth Link](/guides/auth-link).

    <Columns cols={2}>
      <Card title="Link Account" href="/connectors/pubmed/guides/link-account/no-authentication" icon="https://www.ncbi.nlm.nih.gov/favicon.ico" horizontal>
        PubMed - No Authentication
      </Card>

      <Card title="Link Account" href="/connectors/pubmed/guides/link-account/api-key" icon="https://www.ncbi.nlm.nih.gov/favicon.ico" horizontal>
        PubMed - API Key
      </Card>
    </Columns>
  </Step>

  <Step title="Use Actions">
    Invoke actions using one of the methods below:

    * [MCP](/mcp/quickstart) – Model Context Protocol for AI assistants
    * [A2A](/a2a/quickstart) – Agent-to-Agent protocol
    * [AI Toolset (TypeScript)](/agents/typescript/introduction) – TypeScript SDK for AI agents
    * [AI Toolset (Python)](/agents/python/introduction) – Python SDK for AI agents
    * [Actions RPC](/platform/api-reference/actions/make-an-rpc-call-to-an-action) – Direct API calls
    * [Playground](/guides/playground) – Test actions in the dashboard
  </Step>
</Steps>