"OpenAI Gym" matching MCP servers:

Integrate Claude with Any OpenAI SDK Compatible Chat Completion API - OpenAI, Perplexity, Groq, xAI, PyroPrompts and more.

Exposes Gemini CLI's built-in tools and external MCP proxies through a unified MCP endpoint while providing an OpenAI-compatible API for Gemini models. It features configurable security modes to safely manage file system operations, web searches, and shell command execution.

Enables MCP clients to read ad account, campaign, ad group, and ad data plus performance insights, and optionally create, pause, activate, or update paused campaigns, ad groups, and ads through a secured Streamable HTTP endpoint.

Enables ChatGPT to schedule future proactive messages and receive queued events into conversations through MCP Apps, without calling the OpenAI API.

Provides image recognition capabilities using Anthropic Claude Vision and OpenAI GPT-4 Vision APIs, supporting multiple image formats and offering optional text extraction via Tesseract OCR.

Enables local OpenAI Codex or Anthropic Claude Code clients to connect to Spicy Studio, guiding client sign-in and browser-based pairing so users can share selected stories or creative briefs and receive reviewable text or structured short-drama drafts.

A generic MCP server that dynamically exposes any OpenAPI-documented REST API to LLMs by auto-discovering endpoints. It provides tools for exploring API capabilities and making authenticated requests directly through natural language interfaces.

Converts any OpenAPI/REST API into MCP tools with dynamic server switching, variable substitution, and runtime configuration. Enables seamless interaction with multiple API environments through natural language without pre-configuration.

173 tools to automate Google Ad Manager — campaigns, creatives, inventory, reporting via natural language

Enables booking flow operations through a DSP (Demand-Side Platform) API with OAuth authentication. Provides a proof-of-concept integration for managing DSP booking workflows through natural language interactions.

Turn any OpenAPI spec into MCP tools for Claude — instantly. Point mcp-openapi at any OpenAPI 3.x spec and Claude can call every endpoint through natural language. No custom integration code. No manual tool definitions. One line of config.

Turn any REST API into a hosted MCP server. 18 free public servers (GitHub, Stripe, Slack, OpenAI, Notion, and more) — no setup required, bring your own API key.

A local MCP bridge that connects Claude Code and OpenAI Codex via a durable SQLite mailbox, with support for orchestrating and resuming Codex sessions.

Enables OpenAI Codex to inspect and operate Windows desktop applications in the background while the user keeps control of the mouse, keyboard, and foreground window, with each action verified against the application's real state.

MCP server for Google Tag Manager that enables interactive setup, diagnostics, remediation, and dataLayer type generation.

Discovers, inspects, and executes requests against OpenAPI or Swagger APIs directly from documentation URLs or specification files. It enables users to trace parameter usage across an API and perform authenticated HTTP requests through a structured toolset.

Enables Codex to read and modify an active Creo Parametric session on Windows through a Node.js MCP service and Pro/TOOLKIT bridge, providing 60 tools for model inspection, parameters, dimensions, features, assemblies, sheet metal, STEP export, and version cleanup.

Enables comprehensive management of Google Tag Manager accounts, containers, workspaces, tags, triggers, and variables through OAuth2 authentication, allowing users to create, update, and publish GTM configurations via natural language.

Multi-mode MCP server supporting both Claude Desktop (STDIO) and OpenAI (HTTP/SSE) integrations with file operations including read, write, delete, and search capabilities.

Send requests to OpenAI, MistralAI, Anthropic, xAI, or Google AI using MCP protocol via tool or predefined prompts. Vendor API key required

A toolkit that enables AI assistants to directly call Feishu/Lark API interfaces for automation scenarios like document processing, conversation management, and calendar scheduling.

Enables self-driving LinkedIn prospecting from AI assistants, including finding leads, warming them up, inviting them, and opening conversations, with human approval required before any message is sent.

Enables external applications and OpenAI dots to exchange messages through MCP Events, including app-to-dot requests and dot-to-app progress updates, final replies, and push notifications. It exposes tools for dots to report progress, reply, cancel obsolete requests, and retrieve requests or the current user.

An MCP server template integrated with the OpenAI Apps SDK for building ChatGPT-compatible widgets with automatic tool registration. It provides a suite of interactive UI components and ecommerce examples for creating type-safe, theme-aware widgets.

Converts any OpenAPI v3 spec into an MCP server with typed tools, resources, and prompts, enabling AI agents to call any REST API via natural language.

Enables Claude Desktop and other MCP clients to interact with any OAuth2-authenticated OpenAPI-based API through automatic tool generation from OpenAPI specifications, with built-in token management and authentication handling.

Enables comprehensive image processing, stock image search from Pexels and Pixabay, and AI image generation using OpenAI DALL-E with support for resizing, format conversion, color extraction, and watermarking.

Converts OpenAPI specifications into MCP services with HTTP header passthrough support. Enables interaction with any OpenAPI-compliant service through natural language by dynamically transforming API documentation into MCP tools.

Enables LLM routing through multiple providers (OpenAI, Anthropic, xAI) via LiteLLM and provides a bridge to Blender for 3D scene management, asset integration from PolyHaven/Sketchfab, and automation workflows. Combines unified text generation with comprehensive Blender integration through a persistent TCP connection.

An MCP server that enables interaction with CalDAV calendars to manage events and check availability through natural language or voice commands. It provides specific tools for listing, searching, and creating calendar entries using an OpenAI-compatible interface.