developer-tools

API.market

noveum

by noveum

API.market offers seamless API integration and API to API integration, making access to over 200 services like Stripe AP

Converts OpenAPI specifications from API.market into tools for accessing over 200 services including image generation, geocoding, and content detection through a unified authentication system

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Both formats append explainx.ai attribution and the canonical URL for this MCP server listing.

200+ APIs availableRemote — zero setup with npxUnified authentication system

best for

  • / AI agents needing diverse API functionality
  • / Developers prototyping with multiple services
  • / Applications requiring image generation and location services
  • / Chatbots with enhanced capabilities

capabilities

  • / Generate images using various AI models
  • / Geocode addresses and locations
  • / Detect and analyze content
  • / Access 200+ different web APIs
  • / Execute API calls with unified authentication
  • / Browse available API specifications

what it does

Provides access to over 200 APIs from API.market including image generation, geocoding, and content detection through a unified authentication system. Converts OpenAPI specifications into MCP tools that can be used directly by language models.

about

API.market is an official MCP server published by noveum that provides AI assistants with tools and capabilities via the Model Context Protocol. API.market offers seamless API integration and API to API integration, making access to over 200 services like Stripe AP It is categorized under developer tools.

how to install

You can install API.market in your AI client of choice. Use the install panel on this page to get one-click setup for Cursor, Claude Desktop, VS Code, and other MCP-compatible clients. This server runs locally on your machine via the stdio transport.

license

MIT

API.market is released under the MIT license. This is a permissive open-source license, meaning you can freely use, modify, and distribute the software.

readme

API-MARKET MCP Server

About

A Model Context Protocol (MCP) server that exposes API-Market's endpoints as MCP resources. This server allows Large Language Models to discover and interact with APIs defined by OpenAPI specifications through the MCP protocol.
This repository provides access to the APIs available at API.market. The tool is free to use and allows agents to communicate freely with all available APIs, making it super powerful. With over 200+ APIs available at API.market, you can leverage a wide range of functionalities.

Quick Start

You do not need to clone this repository to use this MCP server. You can simply configure it in your client of choice.

For Claude Desktop

  1. Locate or create your Claude Desktop configuration file:
    • On macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
  2. Add the following configuration to enable the API-Market MCP server:
    {
      "mcpServers": {
        "api-market": {
          "command": "npx",
          "args": ["-y", "@noveum-ai/mcp-server"],
          "env": {
            "API_HEADERS": "x-magicapi-key:your-api-key"
          }
        }
      }
    }
    

For Cursor

  1. Go to File -> Preferences -> Cursor Settings.
  2. Select MCP.
  3. Click on Add new global MCP Server.
  4. Paste the following into the mcp.json file.
  {
    "mcpServers": {
      "api-market": {
        "command": "npx",
        "args": [
          "-y",
          "@noveum-ai/mcp-server",
          "--headers",
          "x-magicapi-key:<your-api-key>"
        ]
      }
    }
  }

Alternatively, add this as the first entry in mcpServers.

    "api-market": {
      "command": "npx",
      "args": [
        "-y",
        "@noveum-ai/mcp-server",
        "--headers",
        "x-magicapi-key:<your-api-key>"
      ]
    },
  1. For older versions of Cursor, add the following command after clicking on Add new MCP server
npx -y @noveum-ai/mcp-server --headers x-magicapi-key:your-api-key

Getting an API Key from API.market

To obtain an API key

  1. Log in to API.market
  2. Go to your profile and select 'My API Keys'
  3. Your API keys will be displayed here

List of APIs in this MCP

Example and Usage

Example 1

We can use the agent to find a route between any two points

Example 1

Example 2

We can use the agent to find news about any topic, and then dig deeper into the articles

Example 2.1 Example 2.2

Example 3

We can use the agent to look for available domains

Example 3

Development

Adding a New API to the MCP Server

The utils folder contains helper scripts for managing API configurations, parsing OpenAPI specifications, and registering new APIs into the MCP server.

1. Locate the OpenAPI Specification

Find the OpenAPI JSON for the API you want to integrate. After that, create a folder json_files in the root directory of the project and add your OpenAPI JSON spec to the folder

2. Modify the OpenAPI Specification

After obtaining the OpenAPI spec, use modify_api.py to update the path inside the spec to include the file name.

python utils/modify_api.py

3. Update API Summaries

After modifying the paths, update the API summaries by choosing one of the following options:

  • Automatically shorten summaries using an LLM:
python utils/LLM_summary_shortener.py 
  • Manually update the summaries:
python utils/manual_summary_shortener.py 

4. Build and Test

Rebuild the project to apply the changes:

npm run build

Then, test the new API integration using:

npm run inspect

5. Submit Your Changes

If you want to contribute this new API to the repository:

  • Fork the repo.
  • Create a branch.
  • Submit a pull request (PR).

6. Publish the MCP server (Optional)

If you want to publish your changes:

  • Update the package.json accordingly (e.g., update the version, name, etc.).
  • Publish the package:
npm publish --access public

Development Tools

Building

  • npm run build - Builds the TypeScript source.
  • npm run clean - Removes build artifacts.
  • npm run typecheck - Runs TypeScript type checking.

Development Mode

  • npm run dev - Watches source files and rebuilds on changes.
  • npm run inspect-watch - Runs the inspector with auto-reload on changes.

Code Quality

  • npm run lint - Runs ESLint.
  • npm run typecheck - Verifies TypeScript types.
<!-- ##### Set Environment Variables: Configure your environment by running the following commands: ```bash export OPENAPI_SPEC_PATH=modified_files.txt # optional export API_BASE_URL=https://api.magicapi.dev/api/v1/ # optional export API_HEADERS="x-magicapi-key:your-api-key" ``` -->

Command Line Arguments

npm run inspect -- \
  --api-base-url https://api.magicapi.dev/api/v1/ \
  --openapi-spec modified_files.txt \
  --headers "x-magicapi-key:your-api-key" \
  --name "my-mcp-server" \
  --version "1.0.0"

Development Workflow

  1. Start the development environment:
npm run inspect-watch
  1. Modify the TypeScript files in src/.
  2. The server will automatically rebuild and restart.
  3. Use the MCP Inspector UI to test your changes.

Debugging or Running Locally

To debug or run the MCP server locally:

  1. Clone the repository and install dependencies:
git clone https://github.com/Noveum/api-market-mcp-server.git
cd api-market-mcp-server
npm install
  1. Build the server:
npm run build
  1. For debugging, you can run:
npm run inspect 

Contributing

  1. Fork the repository.
  2. Create a feature branch.
  3. Make your changes.
  4. Run tests and linting:
npm run typecheck
npm run lint
  1. Submit a pull request.

License

MIT

FAQ

What is the API.market MCP server?
API.market is a Model Context Protocol (MCP) server profile on explainx.ai. MCP lets AI hosts (e.g. Claude Desktop, Cursor) call tools and resources through a standard interface; this page summarizes categories, install hints, and community ratings.
How do MCP servers relate to agent skills?
Skills are reusable instruction packages (often SKILL.md); MCP servers expose live capabilities. Teams frequently combine both—skills for workflows, MCP for APIs and data. See explainx.ai/skills and explainx.ai/mcp-servers for parallel directories.
How are reviews shown for API.market?
This profile displays 26 aggregated ratings (sample rows for discoverability plus signed-in user reviews). Average score is about 4.5 out of 5—verify behavior in your own environment before production use.

Use Cases

Extended AI Capabilities

Add new capabilities to Claude beyond text generation

Example

Access external data sources, execute code, interact with tools and services

Transform Claude from chatbot to action-taking agent

Context Enhancement

Provide Claude with access to relevant context and data

Example

Load project documentation, access knowledge bases, query databases

Get more accurate, context-aware responses

Workflow Automation

Automate multi-step workflows combining AI and external tools

Example

Research → Summarize → Create document → Send notification

Complete complex tasks end-to-end without manual steps

Implementation Guide

Prerequisites

  • Claude Desktop 0.7.0+ or Cursor IDE with MCP support
  • Basic understanding of MCP architecture and capabilities
  • Access credentials for integrated services (if required)
  • Willingness to experiment and iterate on configuration

Time Estimate

15-60 minutes depending on server complexity

Installation Steps

  1. 1.Install MCP server: npm install -g [package-name] or via GitHub
  2. 2.Add server configuration to ~/.claude/mcp.json
  3. 3.Provide required credentials and configuration
  4. 4.Restart Claude Desktop to load new server
  5. 5.Test basic functionality with simple prompts
  6. 6.Explore capabilities and experiment with use cases
  7. 7.Document successful patterns for reuse

Troubleshooting

  • MCP server not loading: Check config syntax, verify installation
  • Connection errors: Check network, firewall, credentials
  • Feature not working: Read server docs, check required parameters
  • Performance issues: Monitor resource usage, check for network latency
  • Conflicts with other servers: Check port assignments, namespace collisions

Best Practices

✓ Do

  • +Read server documentation thoroughly before setup
  • +Start with simple use cases to validate functionality
  • +Test in non-production environment first
  • +Monitor resource usage and performance
  • +Keep servers updated for bug fixes and new features
  • +Document configuration for team members
  • +Use environment variables for sensitive configuration

✗ Don't

  • Don't grant overly permissive access to MCP servers
  • Don't skip reading security considerations in docs
  • Don't expose sensitive data without proper controls
  • Don't run untrusted MCP servers without code review
  • Don't ignore error messages—investigate root cause

💡 Pro Tips

  • Combine multiple MCP servers for powerful workflows
  • Create custom MCP servers for your specific needs
  • Share successful configurations with team
  • Use MCP inspector for debugging
  • Join MCP community for tips and troubleshooting

Technical Details

Architecture

Model Context Protocol standardizes how AI hosts (Claude, Cursor) communicate with external tools and data sources through server implementations.

Protocols

  • Model Context Protocol (MCP)
  • JSON-RPC 2.0
  • stdio or HTTP transport

Compatibility

  • Claude Desktop
  • Cursor IDE
  • Custom MCP clients

When to Use This

✓ Use When

Use when you need Claude to access external data, execute actions, or integrate with tools. Best for extending AI capabilities beyond conversation.

✗ Avoid When

Avoid when native integrations exist (use official APIs directly), for real-time critical systems, or when security/compliance requires zero external dependencies.

Integration

  • Tool composition: Chain multiple MCP tools in workflows
  • Context augmentation: Provide AI with relevant external data
  • Action delegation: Let AI execute tasks on external systems
  • Bidirectional sync: Keep AI context and external systems in sync

Discussion

Product Hunt–style comments (not star reviews)
  • No comments yet — start the thread.

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Ratings

4.526 reviews
  • Lucas Anderson· Dec 8, 2024

    API.market is a well-scoped MCP server in the explainx.ai directory — install snippets and categories matched our Claude Code setup.

  • Ren Reddy· Nov 27, 2024

    Useful MCP listing: API.market is the kind of server we cite when onboarding engineers to host + tool permissions.

  • Ren Khan· Oct 18, 2024

    API.market reduced integration guesswork — categories and install configs on the listing matched the upstream repo.

  • Maya Singh· Sep 25, 2024

    API.market is a well-scoped MCP server in the explainx.ai directory — install snippets and categories matched our Claude Code setup.

  • Yash Thakker· Sep 17, 2024

    We wired API.market into a staging workspace; the listing’s GitHub and npm pointers saved time versus hunting across READMEs.

  • Sakura Rahman· Sep 9, 2024

    I recommend API.market for teams standardizing on MCP; the explainx.ai page compares cleanly with sibling servers.

  • Naina Jackson· Aug 28, 2024

    Strong directory entry: API.market surfaces stars and publisher context so we could sanity-check maintenance before adopting.

  • Noor Farah· Aug 16, 2024

    We wired API.market into a staging workspace; the listing’s GitHub and npm pointers saved time versus hunting across READMEs.

  • Dhruvi Jain· Aug 8, 2024

    API.market is a well-scoped MCP server in the explainx.ai directory — install snippets and categories matched our Claude Code setup.

  • Oshnikdeep· Jul 27, 2024

    Useful MCP listing: API.market is the kind of server we cite when onboarding engineers to host + tool permissions.

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