Libraries tagged by application server

Laravel OAuth Single Sign On Solution. Make yourLaravel application as OAuth Client using this plugin. Laravel end users can login into Laravel application using their OAuth Provider / Server credentials.

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Slick/Http is an useful library for Web application foundation. It implements the PSR-7 message interface and has a middleware server, session handling and an HTTP client.

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RevKeen is a fintech-grade API for payments, subscriptions, invoices, and billing. The canonical production MCP server is available at `https://mcp.revkeen.com/mcp`. **API Version:** `2026-05-01` — Pin with the `RevKeen-Version` header. **Quick Links:** [Full Documentation](https://docs.revkeen.com) | [Authentication](https://docs.revkeen.com/authentication) | [OAuth](https://docs.revkeen.com/oauth) | [SDKs](https://docs.revkeen.com/sdks) | [Webhooks](#webhooks) | [MCP Guide](https://docs.revkeen.com/mcp) ## Authentication Two authentication methods are supported: ### API Keys (recommended for server-to-server REST API integrations) Send your API key in the `x-api-key` header. Get keys from the [Dashboard](https://app.revkeen.com/settings/api-keys). Use `rk_sandbox_*` for test mode and `rk_live_*` for production. ### OAuth 2.1 (recommended for MCP and third-party integrations) Use OAuth 2.1 with PKCE for authorization code flow or client credentials for server-to-server. Tokens are sent via `Authorization: Bearer rk_oauth_*`. See the [OAuth guide](https://docs.revkeen.com/oauth) for setup. - **Authorization Code + PKCE** — user-facing integrations, MCP hosts - **Client Credentials** — server-to-server, automated workflows - **Dynamic Client Registration** — MCP hosts that auto-register ## MCP Integration RevKeen's canonical production MCP server is `https://mcp.revkeen.com/mcp` using Streamable HTTP and OAuth 2.1 bearer tokens. - **Customer launch surface** — read-first customer v1 tools with least-privilege scopes - **Host setup guide** — see the [MCP guide](https://docs.revkeen.com/mcp) for ChatGPT, Claude, and compatible MCP hosts ## API Key Scopes Scopes follow `{resource}:{action}` format (e.g., `invoices:read`, `customers:*`). See [full scope reference](https://docs.revkeen.com/authentication#scopes). | Category | Scope | Description | |----------|-------|-------------| | **Payments & Checkout** | `checkout:read` | View checkout session details | | | `checkout:write` | Create and manage checkout sessions | | | `cart:read` | View cart session details (REV-3511) | | | `cart:write` | Create and mutate cart sessions, line items, add-ons (REV-3511) | | | `payment_links:read` | View payment links | | | `payment_links:write` | Create and manage payment links | | | `charges:read` | View one-time charges | | | `charges:write` | Create one-time charges for customers | | | `payments:read` | View payment details | | | `payments:write` | Capture or void payments | | | `payment_intents:read` | View payment intent details | | | `payment_intents:write` | Create, confirm, capture, and cancel payment intents | | | `setup_intents:read` | View setup intent details | | | `setup_intents:write` | Create, confirm, and cancel setup intents | | | `payment_methods:read` | View saved payment methods | | | `payment_methods:write` | Attach and detach payment methods | | **Billing** | `invoices:read` | View invoices | | | `invoices:write` | Create, update, and manage invoices | | | `subscriptions:read` | View subscriptions | | | `subscriptions:write` | Create, update, pause, and cancel subscriptions | | | `subscription_schedules:read` | View subscription schedule details | | | `subscription_schedules:write` | Create, update, cancel, and release subscription schedules | | | `orders:read` | View orders | | | `orders:write` | Create and manage orders | | | `credit_notes:read` | View credit notes | | | `credit_notes:write` | Create and void credit notes | | **Products & Pricing** | `products:read` | View product catalog | | | `products:write` | Create and update products | | | `prices:read` | View pricing information | | | `prices:write` | Create and update prices | | | `discounts:read` | View discount codes | | | `discounts:write` | Create and manage discount codes | | | `tax_rates:read` | View tax rate configurations | | | `tax_rates:write` | Configure tax rates | | **Usage & Metering** | `meters:read` | View meter configurations | | | `meters:write` | Create and update meters | | | `usage:read` | View usage events and balances | | | `usage:write` | Ingest usage events | | **Customers** | `customers:read` | View customer information | | | `customers:write` | Create and update customers | | | `entitlements:read` | View customer entitlements / feature access | | | `entitlements:write` | Grant and revoke customer entitlements | | | `businesses:read` | View business entities | | | `businesses:write` | Manage business entities | | **Money Movement** | `refunds:read` | View refund details | | | `refunds:write` | Issue refunds | | | `voids:read` | View voided transactions | | | `voids:write` | Void unsettled transactions | | | `disputes:read` | View chargebacks and disputes | | | `disputes:write` | Respond to disputes | | | `payouts:read` | View payout and settlement data | | **Direct Debit** | `mandates:read` | View Direct Debit mandates and collection status | | | `mandates:write` | Create, suspend, reinstate, and cancel Direct Debit mandates | | **Terminal** | `terminal:read` | View terminal devices and card-present payments | | | `terminal:write` | Initiate, cancel, refund, and void terminal payments | | **Data Exchange** | `exports:read` | View and download data exports | | | `exports:write` | Create data exports | | | `imports:read` | View import status and history | | | `imports:write` | Upload and run data imports | | **Analytics & Reporting** | `analytics:read` | View analytics and reports | | | `finance:read` | View financial reports | | **Communication** | `comms:read` | View SMS and email delivery logs | | | `comms:write` | Send SMS, email, and WhatsApp messages | | | `automations:read` | View automations, runs, approvals, and traces | | | `automations:write` | Create automations and trigger runs | | **Integrations** | `apps:read` | View connected applications | | | `apps:write` | Manage app connections | | | `webhooks:read` | View webhook endpoints | | | `webhooks:write` | Manage webhook endpoints | | | `integrations:read` | View integration status and sync logs | | | `integrations:write` | Activate, configure, and sync integrations | | | `events:read` | View webhook event logs | | | `events:write` | Resend and test webhook events | | | `sync:read` | View sync watermarks and state | | | `sync:write` | Update sync watermarks | ## Environments | Environment | Base URL | API Key Prefix | |-------------|----------|----------------| | **Staging** | `https://staging-api.revkeen.com/v2` | `rk_sandbox_*` | | **Production** | `https://api.revkeen.com/v2` | `rk_live_*` | ## Idempotency Include `Idempotency-Key` header (UUID) on mutation requests. Keys are valid for 24 hours. ## Rate Limits | Plan | Requests/min | Burst | |------|-------------|-------| | **Staging** | 100 | 200 | | **Production** | 1000 | 2000 | | **Enterprise** | Custom | Custom |

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A collection of server-side addons that might be of use for development of xml-rpc (and json-rpc) based applications

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pChart is a PHP library that will help you to create anti-aliased charts or pictures directly from your web server. You can then display the result in the client browser, sent it by mail or insert it into PDFs. pChart provide object oriented coding syntax and is fully in line with the new web standards allowing you to enhance your web2.0 applications.

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The PHP producer for Kumwe Studio: receives canonical Studio compositions and makes them real - validated wire handling, semantic server-side rendering, and design-token CSS - while your application keeps all authority and storage.

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A development-only application construction harness for Kinetis: a CLI and a standalone MCP server that hand any coding agent a portable Kinetis context document, the Kinetis documentation pages as MCP resources, as bounded line windows and through a literal search of one page, the installed kinetis/* package inventory, a bounded live read of one installed package's own source, a literal search inside one such file or across a bounded directory tree of such a package, and a listing of one directory of such a package (MCP only), a deterministic verification of the project's Composer layout, and one previewable health-endpoint scaffold, with no model of its own.

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A standalone Model Context Protocol server exposing the Kinetis documentation over stdio: a tool that returns a bounded line window of a page, which is how a page is read, a tool that reports the lines of one page containing a literal string, and the same pages whole as MCP resources. Framework-agnostic: it depends on kinetis/mcp-protocol alone and contributes no application bootstrap.

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Read-only MCP server to let AI assistants safely explore and query a Laravel application's database.

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Test Symfony applications with HttpClient interface without a real HTTP server

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OAuth2 (server) authentication middleware for Expressive and PSR-7 applications.

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PSR, for the appserver.io application server

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Model Context Protocol server application for Skeleton

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Drop-in MCP (Model Context Protocol) server for Laravel applications

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Run your application as an OAuth2 authorization server and protect its APIs.

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