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[Parsing & Serialization](/categories/parsing) 4. / 5. stolt/llms-txt-php ActiveLibrary[Parsing & Serialization](/categories/parsing) stolt/llms-txt-php ================== A library for writing, reading, and validating llms.txt Markdown files. v3.4.0(7mo ago)2210.3k↓11.3%3[1 issues](https://github.com/raphaelstolt/llms-txt-php/issues)1MITPHPPHP >=8.1CI passing Since Jun 24Pushed 3mo agoCompare [ Source](https://github.com/raphaelstolt/llms-txt-php)[ Packagist](https://packagist.org/packages/stolt/llms-txt-php)[ RSS](/packages/stolt-llms-txt-php/feed)WikiDiscussions main Synced 1mo ago READMEChangelogDependencies (6)Versions (25)Used By (1) llms.txt PHP ============ [](#llmstxt-php) [![Test Status](https://github.com/raphaelstolt/llms-txt-php/workflows/test/badge.svg)](https://github.com/raphaelstolt/llms-txt-php/workflows/test/badge.svg)[![Version](https://camo.githubusercontent.com/8e99407844b63c3c46b37ee68b86d37fbfb92d9c4347d9b5608dcb381d13db10/687474703a2f2f696d672e736869656c64732e696f2f7061636b61676973742f762f73746f6c742f6c6c6d732d7478742d7068702e7376673f7374796c653d666c6174)](https://packagist.org/packages/stolt/llms-txt-php)[![Downloads](https://camo.githubusercontent.com/9b3c2c161ead557d7b15eaaf8ad974a1e1661bb94cf0c85b931ac2f00226ad37/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f64742f73746f6c742f6c6c6d732d7478742d706870)](https://camo.githubusercontent.com/9b3c2c161ead557d7b15eaaf8ad974a1e1661bb94cf0c85b931ac2f00226ad37/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f64742f73746f6c742f6c6c6d732d7478742d706870)[![PHP Version](https://camo.githubusercontent.com/770d43133153ead0a9b8526e3352ca9933aa60cadcac54fd28aca42c3f71a613/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f7068702d382e312b2d6666363962342e737667)](https://camo.githubusercontent.com/770d43133153ead0a9b8526e3352ca9933aa60cadcac54fd28aca42c3f71a613/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f7068702d382e312b2d6666363962342e737667)[![PDS Skeleton](https://camo.githubusercontent.com/3c7140ee36205075ed977142f25c29eb1fb7809e9b86a865461fc21776ad1665/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f7064732d736b656c65746f6e2d626c75652e7376673f7374796c653d666c6174)](https://github.com/php-pds/skeleton)[![llms.txt](https://camo.githubusercontent.com/78693a04424cf0fbf7cb08afbbcdbef4fbce3d6e1b9cd915d1c2d531b7a0789a/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f6c6c6d732e7478742d617661696c61626c652d626c75652e7376673f7374796c653d666c6174)](https://camo.githubusercontent.com/78693a04424cf0fbf7cb08afbbcdbef4fbce3d6e1b9cd915d1c2d531b7a0789a/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f6c6c6d732e7478742d617661696c61626c652d626c75652e7376673f7374796c653d666c6174) [![Llms txt logo](llms-txt-logo.png)](llms-txt-logo.png) This library supports you in creating, reading, and validating [llms.txt](https://llmstxt.org/) Markdown files via PHP. A good example `llms.txt` file is the [one](https://docs.astral.sh/uv/llms.txt) from the [uv](https://docs.astral.sh/uv/) project. What's llms.txt? ---------------- [](#whats-llmstxt) Think of it like `robots.txt` for LLMs. The evolving spec is available over [here](https://llmstxt.org/). For the structure of a `llms.txt` file you can also have a look at this repository's [llms.txt](llms.txt) file. Installation and usage ---------------------- [](#installation-and-usage) ``` composer require stolt/llms-txt-php ``` ### Creating a llms.txt file [](#creating-a-llmstxt-file) ``` use Stolt\LlmsTxt\LlmsTxt; use Stolt\LlmsTxt\Section; use Stolt\LlmsTxt\Section\Link; $section1 = (new Section())->name('Section name') ->addLink((new Link())->urlTitle('Link title') ->url('https://link_url')->urlDetails('Optional link details') ); $section2 = (new Section())->name('Optional') ->link((new Link())->urlTitle('Link title') ->url('https://link_url') ); $llmsTxt = (new LlmsTxt())->title('Test title') ->description('Test description') ->details('Test details') ->addSection($section1) // OR ->addSections([$section1, $section2]) ->section($section2) // alias method ->toString(); // OR ->toFile('/path/to/llmsTxtToBe.md'); ``` ### Validating and reading a llms.txt file and its parts [](#validating-and-reading-a-llmstxt-file-and-its-parts) ``` use Stolt\LlmsTxt\LlmsTxt; $llmsText = (new LlmsTxt())->parse('/path/to/llmsTxt.md'); // OR parse('markdown-string') if ($llmsText->validate()) { $title = $llmsText->getTitle(); $description = $llmsText->getDescription(); $details = $llmsText->getDetails(); $sections = $llmsText->getSections(); } ``` In case you want to get the exact validation errors, you need to call `validate` with the `detailed` flag sat to `true` and than use the `errors()` method like shown below. ``` use Stolt\LlmsTxt\LlmsTxt; $llmsText = (new LlmsTxt())->parse('/path/to/llmsTxt.md'); // OR parse('markdown-string') $validationResult = $llmsTxt->validate(true); if ($validationResult->isValid()) { $title = $llmsText->getTitle(); $description = $llmsText->getDescription(); $details = $llmsText->getDetails(); $sections = $llmsText->getSections(); } else { $validationErrors = $validationResult->errors(); // ... } ``` Tip To interact with `llms.txt` files from the console, the complement package [llms-txt-php-cli](https://github.com/raphaelstolt/llms-txt-php-cli) might come in handy. The complementary package also includes four AI skills that can be used to interact with `llms.txt` files. ### Inline LLM instructions in HTML [](#inline-llm-instructions-in-html) [Vercel](https://vercel.com/) [proposed](https://vercel.com/blog/a-proposal-for-inline-llm-instructions-in-html) a non-formal standard for inlining LLM instructions in HTML, based on the `llms.txt` standard. ``` use Stolt\LlmsTxt\LlmsTxt; use Stolt\LlmsTxt\Section; use Stolt\LlmsTxt\Section\Link; $section1 = (new Section())->name('Section name') ->addLink((new Link())->urlTitle('Link title') ->url('https://link_url')->urlDetails('Optional link details') ); $section2 = (new Section())->name('Optional') ->link((new Link())->urlTitle('Link title') ->url('https://link_url') ); $llmsTxtContent = (new LlmsTxt())->title('Test title') ->description('Test description') ->details('Test details') ->sections([$section1, $section2]) ->asScriptTag(); // OR ->toEmbeddedInScriptTag() ``` Value of `$llmsTxtContent`: ``` ``` For more usage examples, have a look at the tests i.e. [LlmsTxtTest.php](tests/LlmsTxtTest.php). ### Extract LLM instructions from HTML [](#extract-llm-instructions-from-html) ``` use Stolt\LlmsTxt\Extractor; $html = string(11) "# first llms.txt content" [1]=> string(12) "# second llms.txt content" } ``` To retrieve already parsed `llms.txt` object instances, pass the `parse` flag to the available extraction methods. Value of `$llmsTxts` when parsed: ``` array(2) { [0]=> object(Stolt\LlmsTxt\LlmsTxt)#11 (5) { ["hasBeenParsed":"Stolt\LlmsTxt\LlmsTxt":private]=> bool(true) ["title":"Stolt\LlmsTxt\LlmsTxt":private]=> string(22) "first llms.txt content" ["description":"Stolt\LlmsTxt\LlmsTxt":private]=> string(0) "" ["details":"Stolt\LlmsTxt\LlmsTxt":private]=> string(0) "" ["sections":"Stolt\LlmsTxt\LlmsTxt":private]=> array(0) { } } [1]=> // ... ommitted for brevity } ``` ### Running tests [](#running-tests) ``` composer test ``` ### License [](#license) This library is licensed under the MIT license. Please see [LICENSE.md](LICENSE.md) for more details. ### Changelog [](#changelog) Please see [CHANGELOG.md](CHANGELOG.md) for more details. ### Contributing [](#contributing) Please see [CONTRIBUTING.md](.github/CONTRIBUTING.md) for more details. ### Health Score 47 — FairBetter than 94% of packages Maintenance72 Regular maintenance activity Popularity36 Limited adoption so far Community10 Small or concentrated contributor base Maturity55 Maturing project, gaining track record Bus Factor1 Top contributor holds 100% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~4 days Recently: every ~12 days Total 24 Last Release 216d ago Major Versions v1.6.3 → v2.0.02025-07-29 v2.1.1 → v3.0.02025-08-25 ### Community Maintainers ![](https://www.gravatar.com/avatar/132faf5713fa951f4263fad02858a62e55c5d832ad775b33e49ba0cda2f2a028?d=identicon)[Raphael Stolt](/maintainers/Raphael%20Stolt) --- Top Contributors [![raphaelstolt](https://avatars.githubusercontent.com/u/48225?v=4)](https://github.com/raphaelstolt "raphaelstolt (94 commits)") --- Tags documentationlibraryllmsllms-txtllmstxtmarkdownphpportllmsllms-txt ### Code Quality TestsPHPUnit Static AnalysisPHPStan Code StylePHP CS Fixer Type Coverage Yes ### Embed Badge ![Health badge](/badges/stolt-llms-txt-php/health.svg) ``` [![Health](https://phpackages.com/badges/stolt-llms-txt-php/health.svg)](https://phpackages.com/packages/stolt-llms-txt-php) ``` ### Alternatives [nikic/phlexy Lexing experiments in PHP 162570.9k13](/packages/nikic-phlexy)[corveda/php-sandbox A PHP library that can be used to run PHP code in a sandboxed environment 23483.5k2](/packages/corveda-php-sandbox)[blancks/fast-jsonpatch-php Class designed to efficiently handle JSON Patch operations in accordance with the RFC 6902 specification 396.4k](/packages/blancks-fast-jsonpatch-php)[bupy7/xml-constructor The array-like constructor of XML document structure. 1337.9k](/packages/bupy7-xml-constructor) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)