"APIs Compatible with OpenAI for Conversational AI" matching MCP servers:

• Todo for AI MCP Server

  todo-for-ai

  A

  license

  -

  quality

  C

  maintenance

  Provides AI assistants with a standardized interface to interact with the Todo for AI task management system. It enables users to retrieve project tasks, create new entries, and submit completion feedback through natural language.

  Last updated 2026-03-24

  64

  Apache 2.0

• Public APIs MCP

  zazencodes

  A

  license

  A

  quality

  B

  maintenance

  Enables semantic search and discovery of free public APIs from an extensive catalog. Provides embedding-based search over API names and descriptions, plus detailed API information retrieval.

  Last updated 2025-09-08

  2

  6

  MIT

• @praveen030686/data-apis-mcp

  yantrix-ai

  A

  license

  A

  quality

  C

  maintenance

  22 MCP tools for AI agents: crypto prices and trading signals (53 coins), stock prices and company financials, forex rates and conversion, and web scraping with AI summaries. All powered by x402 USDC micropayments on Base. $0.01-$0.25 per request.

  Last updated 2026-03-18

  22

  8

  MIT

• MCP Server with OpenAI

  Dagudelot

  F

  license

  B

  quality

  C

  maintenance

  Enables automatic weather information retrieval through a custom MCP server integrated with OpenAI using Cloudflare tunnels. Demonstrates seamless function calling between OpenAI and custom MCP tools without manual intervention.

  Last updated 2025-08-15

  1

• Humanizer APIs MCP Server

  BACH-AI-Tools

  A

  license

  C

  quality

  C

  maintenance

  Enables access to Humanizer APIs for text humanization with multiple models including basic, easy-use, and multi-language support. Requires API key authentication.

  Last updated 2025-12-08

  3

  MIT

• AI Agent with MCP

  moises-paschoalick

  F

  license

  -

  quality

  C

  maintenance

  Enables AI agents to access user and message data through MCP resources, providing REST API integration for user management with paginated lists and thread tracking.

  Last updated 2025-06-27

  24

  2

• MCP Qdrant Server with OpenAI

  amansingh0311

  F

  license

  -

  quality

  C

  maintenance

  This server enables semantic search capabilities using Qdrant vector database and OpenAI embeddings, allowing users to query collections, list available collections, and view collection information.

  Last updated 2025-07-17

  7

• OpenAI Assistant MCP Server

  snilld-ai

  F

  license

  B

  quality

  C

  maintenance

  Enables interaction with OpenAI's Chat Completion and Assistants APIs, supporting assistant management, file operations, and direct queries to GPT models through standardized MCP tools.

  Last updated 2025-06-27

  9

  2

• OpenAI MCP Server

  Supermaxman

  A

  license

  B

  quality

  C

  maintenance

  Provides tools to manage OpenAI API keys and spending through the OpenAI API. Requires an OpenAI admin API key for secure access to account management features.

  Last updated 2025-08-07

  2

  MIT

• MCP CSV Analysis with Gemini

  falahgs

  F

  license

  B

  quality

  C

  maintenance

  An MCP server that enables advanced CSV analysis and data visualization using Google's Gemini AI and Plotly. It allows users to perform exploratory data analysis, generate interactive charts, and conduct complex reasoning on tabular data.

  Last updated 2025-04-12

  3

  2

• openai-tool2mcp

  alohays

  A

  license

  B

  quality

  F

  maintenance

  A lightweight bridge that wraps OpenAI's built-in tools (like web search and code interpreter) as Model Context Protocol servers, enabling their use with Claude and other MCP-compatible models.

  Last updated 2025-03-13

  4

  12

  MIT

• OpenAI MCP Server

  thadius83

  A

  license

  C

  quality

  C

  maintenance

  Enables integration with OpenAI models through the MCP protocol, supporting concise and detailed responses for use with Claude Desktop.

  Last updated 2025-02-20

  1

  3

  MIT

• Ics Ap Apis MCP Server

  BACH-AI-Tools

  A

  license

  C

  quality

  C

  maintenance

  Provides access to Ics Ap Apis API endpoints with authentication support, enabling API interactions through the MCP protocol.

  Last updated 2025-12-07

  1

  MIT

• Onecompiler APIs MCP Server

  BACH-AI-Tools

  A

  license

  C

  quality

  C

  maintenance

  Enables code execution in 70+ programming languages and databases through the Onecompiler API, allowing users to run and test code directly from their MCP-enabled applications.

  Last updated 2025-12-07

  1

  MIT

• OpenAI MCP Server

  pierrebrunelle

  A

  license

  C

  quality

  C

  maintenance

  Query OpenAI models directly from Claude using MCP protocol.

  Last updated 2024-11-28

  1

  81

  MIT

• OpenAI MCP

  jezweb

  A

  license

  -

  quality

  C

  maintenance

  A Model Context Protocol server enabling AI assistants to generate images through OpenAI's DALL-E API with full support for all available options and fine-grained control.

  Last updated 2025-06-09

  28

  1

  MIT

• OpenAI MCP Server

  NimbleBrainInc

  A

  license

  -

  quality

  -

  maintenance

  Provides comprehensive access to OpenAI's API capabilities including chat completions, image generation, embeddings, text-to-speech, speech-to-text, vision analysis, and content moderation. Enables users to interact with GPT models, DALL-E, Whisper, and other OpenAI services through natural language commands.

  Last updated 2025-10-09

• n8n Manager for AI Agents

  czlonkowski

  A

  license

  -

  quality

  D

  maintenance

  Enables AI agents to manage n8n workflow automation instances through tools for workflow CRUD operations, execution monitoring, and webhook triggering. It facilitates programmatic interaction with n8n instances via the n8n API with AI-optimized descriptions and error handling.

  Last updated 2025-06-26

  59

  MIT

• OpenAI MCP Server

  arthurcolle

  F

  license

  -

  quality

  C

  maintenance

  A Model Context Protocol server implementation that enables connection between OpenAI APIs and MCP clients for coding assistance with features like CLI interaction, web API integration, and tool-based architecture.

  Last updated 2025-05-21

  35

• iztro OpenAI MCP for Railway

  snapyharry-potter

  F

  license

  -

  quality

  C

  maintenance

  Remote MCP server for Zi Wei Dou Shu / Tu Vi Dau So astrology tools, exposing read-only tools like get_astrolabe, get_horoscope_decades, etc., designed for Railway deployment and OpenAI ChatGPT developer mode.

  Last updated 2026-04-24