# StackData (stackdata.io)

Indexes government statistical datasets and returns requested tables with each value traced to its source cell.

- Atlas card: https://inite.ai/en/atlas/stackdata.io
- Site: https://stackdata.io
- For: Analysts and agents who need government statistics as tables traced back to their source cells.
- Categories: data
- Use not measured/100 · alive 87/100

## Used for

- Pull a named government statistical series as a table
- Check each value against its source cell
- Compare categories across national statistics portals

## Price

- from 19 USD/month, free plan (read 2026-10-21 on https://stackdata.io/pricing.html)

## For developers

- OpenAPI: https://api.stackdata.io/openapi.json (45 paths)
- API docs: https://api.stackdata.io/doc
- MCP server: io.stackdata/stackdata (namespace; open on 2026-10-21, 6 tools)
- Read 2026-10-21

## MCP server, measured daily

Server: https://api.stackdata.io/mcp, checked every day since 2026-10-21 (2 checks).

- Answered: measuring, 2 daily checks so far
- Median first answer: 114 ms
- Sign-in: none
- Context its tool definitions take: about 1100 tokens (6 tools)
- Tool definitions: B, 78/100
- Failing "params_described": 2 of 6 tools
- Failing "annotations": 6 of 6 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-21

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Source: INITE Atlas, https://inite.ai/en/atlas/stackdata.io. JSON: https://inite.ai/api/atlas/stackdata.io. MCP: https://inite.ai/api/mcp (atlas_lookup).