~/ domain/cardsjd.com.mdTHE AGENT-READABLE WEB

cardsjd.com valid

Cards JD

Cards JD (cardsjd.com) is a free website for playing classic card games in the browser: Cribbage, Spades, Hearts, Gin Rummy, Solitaire (including two-player Double Solitaire), Speed (Spit) and Nertz (Pounce). Most games can be played against computer opponents or online against friends and other players, with no download needed. It is made by JD Software LLC, which also publishes the same games as apps for iOS, Android and Windows.

Visit publisher ↗

For agents: Free browser card games site offering Cribbage, Spades, Hearts, Gin Rummy, Solitaire, Speed and Nertz, against computers or online friends.

card gamesbrowser gamescribbagesolitairespades

Authority
45 reach 9 · trust 0 · quality 21 · freshness 15
Tier
listed
llms.txt
https://cardsjd.com/llms.txt
Sections
7
Links
50
Size
7933 bytes
Popularity rank
#464312
Categories
Gaming
For agents
Informational: content or services for people, nothing to operate
Audience
consumers · en
First seen
2026-10-19T10:41:02.414Z
Last checked
2026-10-19T20:40:49.516Z
Badge
Agent Web Map badge for cardsjd.com

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T13:10:34.963Z. Cached copy · Source on cardsjd.com

# Cards JD

> Cards JD (cardsjd.com) is a free website for playing classic card games in the browser: Cribbage, Spades, Hearts, Gin Rummy, Solitaire (including two-player Double Solitaire), Speed (Spit) and Nertz (Pounce). Most games can be played against computer opponents or online against friends and other players, with no download needed. It is made by JD Software LLC, which also publishes the same games as apps for iOS, Android and Windows.

Key facts:

- Price: free to play in the browser (ad-supported). App versions are available for iOS, Android and Windows.
- Modes: single-player against computer opponents, and online multiplayer with friends or other players, depending on the game.
- Each game has a rules page ("How to Play") and a strategy guide, written for beginners and experienced players.
- Developer: JD Software LLC. Cribbage strategy articles are written by Jim Donahue.

## Games

- [Cribbage](https://cardsjd.com/cribbage/): Play Cribbage online against the computer, friends or other players, with automatic scoring and large, readable cards.
- [Spades](https://cardsjd.com/spades/): Four-player partnership trick-taking game with bidding and nil bids, against bots or friends.
- [Hearts](https://cardsjd.com/hearts/): Classic four-player Hearts: pass cards, avoid the Queen of Spades, or shoot the moon.
- [Gin Rummy](https://cardsjd.com/ginrummy/): Two-player Gin Rummy with melds, knocking and going gin; also on iOS, Android and Facebook.
- [Solitaire](https://cardsjd.com/solitaire/): Double Solitaire, a two-player Klondike race to the foundations, plus classic single-player Klondike.
- [Speed](https://cardsjd.com/speed/): The fast two-player card game also called Spit or Slam, with online multiplayer.
- [Nertz](https://cardsjd.com/nertz/): Real-time multiplayer Nertz, also known as Nerts, Pounce or Racing Demon.

## Rules (How to Play)

- [How to Play Cribbage](https://cardsjd.com/cribbage/howtoplay.html): Setup, the crib, pegging, scoring and beginner tips.
- [How to Play Spades](https://cardsjd.com/spades/howtoplay.html): Setup, bidding, nil bids, bags and scoring.
- [How to Play Hearts](https://cardsjd.com/hearts/howtoplay.html): Passing, trick-taking rules, scoring and shooting the moon.
- [How to Play Gin Rummy](https://cardsjd.com/ginrummy/howtoplay.html): Drawing, melding, knocking, going gin and scoring.
- [How to Play Solitaire](https://cardsjd.com/solitaire/howtoplay.html): Klondike setup, tableau and foundation rules, draw-1 vs draw-3.
- [How to Play Speed](https://cardsjd.com/speed/howtoplay.html): The deal, side piles, play piles and the one-rank-up-or-down rule.
- [How to Play Nertz](https://cardsjd.com/nertz/howtoplay.html): The Nertz pile, tableau, shared foundations and scoring.

## Strategy Guides

- [Cribbage Strategy](https://cardsjd.com/cribbage/strategy/): Hub for counting, discarding, pegging and cribbage probability articles.
- [How to Count a Cribbage Hand](https://cardsjd.co
…

Related sites

Other listed sites in Gaming. See the whole category →

DomainTitleCategoryCountryAuthorityllms.txtllms-full.txtSave
unity3d.com Unity informational Gaming FR 72 ✓
ea.com EA documentation Gaming FR 70 ✓
gambling.com Gambling.com documentation Gaming Media 69 ✓ ✓
immutable.com Immutable documentation Gaming Marketing 69 ✓ ✓
unity.com Unity documentation Gaming GB 68 ✓
gameanalytics.com GameAnalytics interface Data and analytics Gaming +1 US 66 ✓
aftermath.site Aftermath informational Gaming Media 65 ✓ ✓
gameinformer.com Game Informer informational Gaming Media 65 ✓

Machine-readable: GET /v1/resolve?q=cardsjd.com · GET /v1/domain/cardsjd.com · 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 cardsjd.com, 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.

  • 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 cardsjd.com:
1. POST https://agentwebmap.com/v1/sites/cardsjd.com/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://cardsjd.com/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
3. POST https://agentwebmap.com/v1/sites/cardsjd.com/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/cardsjd.com).
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.

agent web map / a clearer way in.API & MCP · Contact