datacommons.org valid

Data Commons Documentation

Comprehensive user and developer documentation for datacommons.org and Custom Data Commons, covering concepts, tools, and APIs for querying Data Commons and setting up custom deployments.

Visit publisher ↗

For agents: User and developer documentation for Data Commons: concepts, tools and APIs for querying public datasets and deploying Custom Data Commons instances.

data commons public data statistical data api custom data commons dataset queries

Authority: 64 reach 14 · trust 10 · quality 25 · freshness 15
Tier: listed
llms.txt: https://docs.datacommons.org/llms.txt
llms-full.txt: https://docs.datacommons.org/llms-full.txt
Sections: 5
Links: 52
Size: 10224 bytes
Popularity rank: #41008
Registered: 2003-07-23
Country: United States Hosting inference
Hosting country: United States Hosting inference
Country evidence: No published address evidence collected yet
Categories: Documentation and reference · Data and analytics · APIs and SDKs
For agents: Interface: a documented API or declared MCP endpoint an agent can call
Inferred actions: Read documentation Call an API About these labels
Audience: developers · agents can: read docs, call api · en
First seen: 2026-10-18T15:08:53.286Z
Last checked: 2026-10-24T01:05:07.173Z
Badge

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-24T01:05:06.409Z. Cached copy · Source on datacommons.org

# Data Commons Documentation

> Comprehensive user and developer documentation for datacommons.org and Custom Data Commons, covering concepts, tools, and APIs for querying Data Commons and setting up custom deployments.

Links below point to GitHub raw Markdown on the master branch for the freshest agent-readable content.

- Use **Query data with agents** for MCP setup, hosted MCP usage, Gemini CLI integration, or self-hosted MCP.
- Use **Query data programmatically** for REST and Python APIs.
- Use **Build a Custom Data Commons** for local and cloud deployment, configuration, data imports, and UI customization of Custom Data Commons instances.
- Use **Background, concepts, data model** for concepts, glossary, datasets, and background material.

For a single file with all Markdown content, see <https://raw.githubusercontent.com/datacommonsorg/docsite/master/llms-full.txt>.

## Query data with agents

- [MCP - Query data interactively with an AI agent](https://raw.githubusercontent.com/datacommonsorg/docsite/master/mcp/index.md): Overview of Data Commons MCP and supported tools.
- [Use MCP tools](https://raw.githubusercontent.com/datacommonsorg/docsite/master/mcp/run_tools.md): Instructions for using Gemini CLI or another MCP-capable agent to query the hosted Data Commons MCP server.
- [Run an MCP server](https://raw.githubusercontent.com/datacommonsorg/docsite/master/mcp/host_server.md): Instructions for self-hosting an MCP server and connecting a client.

## Query data programmatically

- [API - Query data programmatically](https://raw.githubusercontent.com/datacommonsorg/docsite/master/api/index.md): Overview of programmatic integration options and API key requirements.
- [REST (V2)](https://raw.githubusercontent.com/datacommonsorg/docsite/master/api/rest/v2/index.md): Overview of common REST API features, such query syntax, filtering, and authentication.
- [Get statistical observations - REST](https://raw.githubusercontent.com/datacommonsorg/docsite/master/api/rest/v2/observation.md): REST API reference and examples for querying timeseries or observations data.
- [Resolve entities - REST](https://raw.githubusercontent.com/datacommonsorg/docsite/master/api/rest/v2/resolve.md): REST API reference and examples for resolving entities to DCIDs (Data Commons identifiers).
- [Get node properties - REST](https://raw.githubusercontent.com/datacommonsorg/docsite/master/api/rest/v2/node.md): REST API reference and examples for exploring properties and relationships of nodes in the knowledge graph.
- [Troubleshooting](https://raw.githubusercontent.com/datacommonsorg/docsite/master/api/rest/v2/troubleshooting.md): Guidance for troubleshooting API errors.
- [Migrate from V1 to V2 - REST](https://raw.githubusercontent.com/datacommonsorg/docsite/master/api/rest/v2/migration.md): Guidance for migrating from REST API V1 to V2.
- [Python (V2)](https://raw.githubusercontent.com/datacommonsorg/docsite/master/api/python/v2/index.md): Overview of the Python client l
…

Related sites

Find similar publishers by meaning →

Other listed sites in Documentation and reference. See the whole category →

Domain	Title	Category	Country	Authority	llms.txt	llms-full.txt
ubuntu.com	Ubuntu	documentation Open source projects Infrastructure +1 Read documentation Download data	GB	76	✓	✓
cpanel.net	cPanel & WHM Documentation	documentation Marketing Documentation and reference +1 Read documentation Search content	US	73	✓
openai.com	OpenAI Developers	interface Education Developer tools +3 Read documentation Call an API	—	72	✓	✓
aliyun.com	Alibaba Cloud Documentation	interface AI and machine learning Data and analytics +2 Read documentation Call an API	CN	71	✓
nvidia.com	NVIDIA Corporation	documentation Developer tools AI and machine learning +1 Read documentation Download data+1	US	71	✓
adafruit.com	Adafruit Learning System	documentation Education Documentation and reference +1 Read documentation Search content+1	—	70	✓	✓
gravatar.com	Gravatar API Documentation v3.0.0 – LLMS.TXT	interface APIs and SDKs Documentation and reference Read documentation Call an API	US	70	✓
zoom.com	Zoom Technical Library	interface Communications Documentation and reference Read documentation Call an API	US	70	✓	✓

Machine-readable: GET /v1/resolve?q=datacommons.org · GET /v1/domain/datacommons.org · this page as Accept: application/json or text/markdown · MCP lookup_domain

Automatically discovered from public files. Inclusion does not imply endorsement or publisher participation.

Own or manage this website?

If you own or manage datacommons.org, you can update its listing and review file health, discovery activity and score history.

Manage this listing — optional

What verification unlocks

See how your site is discovered—and control what agents see.

See your website in the map
Review your indexed topics, nearby publishers sharing headings, measured listing exposure and map snapshots in a private report for your website.
Control what agents see
Edit your listing description, tags, public contact details and additional llms.txt paths. Publish your terms for automated access, attribution and pricing.
Make your profile eligible for search
A valid, listed, unblocked, verified profile can appear in our publisher sitemap and become eligible for search-engine visibility. Search engines decide what to index and rank.
Appear in our llms-full.txt
Eligible verified publishers are listed by name, with their file links and summaries, in the service overview agents can read.

Free. No account registration, backlink or payment required. Public discovery remains available without verification.

Verify your website—free

Preview the owner dashboard · All verification benefits

Let your coding agent verify it

If your coding agent is authorized to manage this website, paste these instructions into it.

Claim my listing on Agent Web Map for datacommons.org:
1. POST https://agentwebmap.com/v1/sites/datacommons.org/claims and keep claim_id and claim_secret private.
2. Publish the proof: add the line "AgentWebMap ownership: <token>" (token from step 1) to https://datacommons.org/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
3. POST https://agentwebmap.com/v1/sites/datacommons.org/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/datacommons.org).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verify

Corrections or removal requests: contact the directory.