NexusBridge MCP Server
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@NexusBridge MCP ServerList all available services and my current balance"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
NexusBridge MCP Server
A Model Context Protocol server that gives AI agents access to 200+ AI models and 10 service categories through a unified, metered API. One API key, one integration, transparent per-call pricing.
API Base: https://syntss.com
Smithery: smithery.ai/servers/guhank/nexusbridge-mcp-server
GitHub: github.com/guhank/nexusbridge-mcp-server
Tools
Tool | Description |
| Retrieve the full service catalog with slugs, descriptions, per-call prices, and your current credit balance. Call this first to discover available services. |
| Execute any NexusBridge service by its slug. Pass service-specific parameters. Credits are deducted automatically. Returns the upstream provider's response. |
| Check your current credit balance (USD) and the number of active services available. Use before expensive operations to verify sufficient funds. |
nexusbridge_catalog
Returns every available service with its slug, name, category, description, and per-call price in USD. Also returns your current credit balance.
Parameters: None
Example response:
{
"services": [
{ "slug": "llm-chat", "name": "LLM Chat", "category": "ai", "pricePerCall": 0.005 },
{ "slug": "web-search", "name": "Web Search", "category": "search", "pricePerCall": 0.01 }
],
"creditBalance": 24.50
}nexusbridge_execute
Execute a service by passing its slug and service-specific parameters.
Parameters:
Parameter | Type | Required | Description |
| string | Yes | Service slug from the catalog (e.g., |
| object | No | Service-specific parameters (see examples below) |
Examples:
// LLM Chat — use any of 200+ models
{ "slug": "llm-chat", "params": { "messages": [{"role": "user", "content": "Explain quantum computing"}], "model": "deepseek/deepseek-chat-v3-0324" } }
// Sentiment Analysis
{ "slug": "sentiment", "params": { "text": "I love this product! Best purchase I've ever made." } }
// Web Search
{ "slug": "web-search", "params": { "query": "latest AI news March 2026" } }
// Text Summarization
{ "slug": "summarize", "params": { "text": "Long article text here..." } }
// Translation
{ "slug": "translation", "params": { "text": "Hello world", "to": "es" } }
// Code Generation
{ "slug": "llm-code", "params": { "prompt": "Write a Python function to calculate fibonacci numbers" } }
// Image Generation
{ "slug": "image-gen", "params": { "prompt": "A serene mountain landscape at sunset" } }
// Text Embedding
{ "slug": "text-embedding", "params": { "text": "semantic search query" } }Example response:
{
"success": true,
"service": "llm-chat",
"charged": 0.005,
"remainingBalance": 24.495,
"result": {
"choices": [{ "message": { "content": "Quantum computing uses..." } }]
}
}nexusbridge_balance
Returns your credit balance and the count of active services.
Parameters: None
Example response:
{
"creditBalance": 24.50,
"serviceCount": 10
}Related MCP server: gpu-bridge-mcp-server
Available Services
Service | Slug | Price/Call | Description |
LLM Chat |
| $0.005 | Chat completions with GPT-4o, Claude, Gemini, DeepSeek, Llama, and 200+ models via OpenRouter |
Code Generation |
| $0.008 | Code generation, refactoring, and completion optimized for development tasks |
Image Generation |
| $0.05 | Create images from text prompts using DALL-E, SDXL, and Flux models |
Text Embedding |
| $0.001 | Vector embeddings for RAG pipelines, semantic search, and clustering |
Web Search |
| $0.01 | Structured web search results with titles, URLs, and snippets |
Document Parser |
| $0.02 | Extract text and structured data from PDFs, images, and documents |
Sentiment Analysis |
| $0.003 | Classify text sentiment (positive/negative/neutral) with confidence scores and emotion detection |
Translation |
| $0.005 | Neural machine translation across 100+ languages |
Summarization |
| $0.008 | Configurable-length text summaries from long documents |
Code Execution |
| $0.015 | Run code in sandboxed Python, Node.js, and Go environments |
Installation
Smithery (Recommended)
Install directly from Smithery with one click. Configure your NexusBridge API key when prompted.
Claude Desktop
Add to your claude_desktop_config.json:
{
"mcpServers": {
"nexusbridge": {
"command": "npx",
"args": ["-y", "nexusbridge-mcp-server", "--stdio"],
"env": {
"NEXUSBRIDGE_API_KEY": "nb_sk_your_key_here"
}
}
}
}Cursor / Windsurf / Other MCP Clients
Use the same configuration pattern — set NEXUSBRIDGE_API_KEY as an environment variable and run via npx -y nexusbridge-mcp-server --stdio.
Docker
docker build -t nexusbridge-mcp .
docker run -p 8000:8000 \
-e NEXUSBRIDGE_API_KEY=nb_sk_your_key \
nexusbridge-mcpManual
git clone https://github.com/guhank/nexusbridge-mcp-server.git
cd nexusbridge-mcp-server
npm install
NEXUSBRIDGE_API_KEY=nb_sk_your_key npm startUsage
Get an API key — Purchase credits at syntss.com. Credits start at $10. You'll receive an
nb_sk_...API key.Install the MCP server — Use Smithery, Claude Desktop config, or run manually (see Installation above).
Discover services — Your AI agent calls
nexusbridge_catalogto see all available services, pricing, and your credit balance.Execute services — Call
nexusbridge_executewith the service slug and parameters. Credits are deducted per call.Monitor spending — Call
nexusbridge_balanceto check remaining credits at any time.
Typical Agent Workflow
Agent → nexusbridge_catalog → "I see 10 services, balance is $24.50"
Agent → nexusbridge_execute(llm-chat) → "Got response from DeepSeek, charged $0.005"
Agent → nexusbridge_execute(sentiment)→ "Text is positive (0.94 confidence), charged $0.003"
Agent → nexusbridge_balance → "Balance is $24.492"Environment Variables
Variable | Required | Default | Description |
| Yes | — | Your NexusBridge API key (starts with |
| No |
| Base URL of the NexusBridge API |
| No |
| HTTP port for Smithery/hosted mode |
Transport Modes
Mode | Flag | Use Case |
HTTP | (default) | Smithery hosted deployment, remote MCP clients |
stdio |
| Claude Desktop, Cursor, local MCP clients |
Getting API Credits
Tier | Credits | Approx. LLM Calls |
Starter | $10 | ~2,000 |
Builder | $25 | ~5,000 |
Pro | $50 | ~10,000 |
Scale | $100 | ~20,000 |
Purchase at syntss.com or via Stripe. Credits never expire.
License
MIT
This server cannot be installed
Maintenance
Resources
Unclaimed servers have limited discoverability.
Looking for Admin?
If you are the server author, to access and configure the admin panel.
Latest Blog Posts
- Your AI Chatbot Just Exposed Your CEO's Salary to an InternBy Om-Shree-0709 on .Agent IdentityMCP SecurityOAuth Delegation
- Why MCP Servers Need Execution Sandboxing (And Why Your Current Stack Isn't Enough)By Om-Shree-0709 on .Agentic AiPrompt InjectionWebAssembly
MCP directory API
We provide all the information about MCP servers via our MCP API.
curl -X GET 'https://glama.ai/api/mcp/v1/servers/guhank/nexusbridge-mcp-server'
If you have feedback or need assistance with the MCP directory API, please join our Discord server