XBRL US Filing Repository

Get XBRL data from US public companies and utilities by searching on facts, reports, entities, and tables or statements (cubes).

CommunityOnlineAPI key requiredGlobalFreeRead-only

What it can do

  • Xbrl SearchEntities: Search for XBRL entities (companies) based on entity attributes such as CIK, name, or ticker.
  • Xbrl SearchFacts: Search for XBRL facts based on attributes of the fact, the report it was in, or the source of the data. Supports dot notation for all references.
  • Xbrl SearchReports: Search for XBRL reports based on report and entity attributes. Supports dot notation for all references.

What data it sees

Do you need an account

An API key from the service settings is required

Get XBRL data from US public companies and utilities by searching on facts, reports, entities, and tables or statements (cubes). Explore concepts, labels, references, roles, arcs, cubes, and assertions to understand structure. Quickly pinpoint financial data and relationships for analysis, compliance, and auditing. Streamline investment research and compliance checks with structured business information.

How to connect

How to connect XBRL US Filing Repository to Claude

The server address to paste into Claude settings:

https://xbrlus-mcp.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect XBRL US Filing Repository to ChatGPT

The server address to paste into ChatGPT settings:

https://xbrlus-mcp.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect XBRL US Filing Repository to Cursor

The server address to paste into Cursor settings:

https://xbrlus-mcp.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (10)

Raw names from tools/list. Only developers need these.

xbrl_searchEntitiesSearch for XBRL entities (companies) based on entity attributes such as CIK, name, or ticker.
xbrl_searchFactsSearch for XBRL facts based on attributes of the fact, the report it was in, or the source of the data. Supports dot notation for all references.
xbrl_searchReportsSearch for XBRL reports based on report and entity attributes. Supports dot notation for all references.
xbrl_searchAssertionsSearch for XBRL assertion errors based on assertion, entity, and report attributes. Supports dot notation for all references.
xbrl_searchDTSSearch for XBRL discoverable taxonomy sets (DTS) based on taxonomy name, entry point, hash, version, or related report attributes. Supports dot notation for all references.
xbrl_searchConceptsSearch for XBRL concepts in a specific DTS (discoverable taxonomy set) using dts.id and concept attributes. Supports dot notation for all references.
xbrl_searchLabelsSearch for XBRL label information associated with concepts in a DTS.
xbrl_searchReferencesSearch for XBRL reference information.
xbrl_searchCubesSearch for XBRL cube (hypercube) information including dimensions, facts, and period attributes.
xbrl_searchDocumentsSearch for XBRL document information including taxonomy documents and filing documents.