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stack-advisor

An MCP server that recommends tech stacks for your project. Describe what you're building and get a recommended stack with reasoning, tradeoffs, and what each layer should use.

What it does

recommend_stack — describe your project, get 1-3 ranked stack recommendations each with:

  • Full layer breakdown (language, frontend, backend, database, devops, testing)

  • Why this stack fits your use case

  • Tradeoffs to be aware of

  • What it's not good for

list_stacks — see all available stack templates

Related MCP server: project-scaffold

Example prompts

  • "I'm building a SaaS dashboard for small businesses"

  • "What stack should I use for an AI/ML API?"

  • "Best stack for a cross-platform mobile app?"

  • "I need a high-performance Go API for a microservice"

  • "What are the tradeoffs of a serverless edge architecture?"

Add to Claude Desktop

{
  "mcpServers": {
    "stack-advisor": {
      "command": "npx",
      "args": ["-y", "@engineeringmatrixexplorer/stack-advisor"]
    }
  }
}

Add to Claude Code

claude mcp add stack-advisor -- npx -y @engineeringmatrixexplorer/stack-advisor

Available stacks

Stack

Best for

Modern TypeScript Web App

SaaS, dashboards, fullstack apps

Python AI/ML Backend

AI APIs, ML inference, data pipelines

High-Performance Go API

Microservices, high-traffic APIs

React SPA + Node Backend

SPAs, JS-heavy frontends

Enterprise Node.js API

Large teams, structured codebases

Serverless Edge App

Global low-latency, Cloudflare Workers

Mobile App (React Native)

iOS + Android cross-platform

Static Site / Content Site

Blogs, docs, marketing, SEO

Requirements

  • Node.js 18+

Part of the MCP Developer Tools Bundle

This server is also available as part of a bundle with engineering-matrix-explorer and snippet-vault.

License

MIT

Available Tools

2 tools
list_stacksA

List all available stack templates with their tags

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.3/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations provided, the description must disclose behavioral traits. The verb 'list' implies a read-only operation with no side effects, which is sufficient. It does not mention potential pagination or ordering, but given the simplicity, it is adequate.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single sentence that is front-loaded with the action 'List' and includes essential qualifiers. Every word serves a purpose, making it highly concise and effective.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description should explain the return value. It mentions 'stack templates with their tags' but does not specify other fields like name or ID, leaving some ambiguity about the full output structure.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

There are no parameters, so the schema coverage is trivially 100%. The description does not need to add parameter meaning, and the baseline score of 4 is appropriate as it does not detract from understanding.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb 'list' and the resource 'stack templates' with scope 'all available' and includes 'with their tags', which precisely defines the tool's function and distinguishes it from the sibling 'recommend_stack'.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides clear context for when to use the tool (when a listing of all stack templates is needed), but lacks explicit exclusions or alternatives such as noting that 'recommend_stack' should be used for personalized recommendations.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

recommend_stackA

Describe your project and get 1-3 recommended tech stacks with reasoning, tradeoffs, and what each layer should use.

ParametersJSON Schema
NameRequiredDescriptionDefault
descriptionYesWhat are you building? e.g. 'a SaaS dashboard for small businesses', 'a real-time chat API', 'a mobile app for food delivery'

TDQS

A4.1/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description alone must convey behavioral traits. It discloses that the tool returns 1-3 recommendations with reasoning, tradeoffs, and layer suggestions. However, it does not mention any potential side effects, authorization requirements, rate limits, or other constraints that might affect usage.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, well-structured sentence that conveys the core function without any superfluous words. It is concise and immediately informative.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the simplicity of the tool (one parameter, no output schema, a single sibling), the description is complete. It explains the input needed, the process (recommendation generation), and the expected output (1-3 stacks with reasoning, tradeoffs, and layer suggestions). No further detail is necessary.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 100% coverage with a clear description and example for the only parameter 'description'. The tool description reinforces the parameter's purpose. Since schema coverage is high, the baseline is 3, and the tool description adds marginal value beyond the schema by hinting at the output structure.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's function: given a project description, it returns 1-3 recommended tech stacks with reasoning, tradeoffs, and per-layer suggestions. This distinguishes it from the sibling tool 'list_stacks', which likely merely lists available stacks without recommendations.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implicitly tells the user when to use this tool: when they need tech stack recommendations for a project. It does not explicitly exclude use cases or mention when not to use, but the context is clear and the sibling tool provides an alternative for simple listing.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. 2 tool updatesv1.0.2
    • First observedlist_stacks
    • First observedrecommend_stack

TDQS

A4/5.0
Disambiguation5/5

The two tools have clearly distinct purposes: one lists available stack templates, the other provides personalized recommendations. There is no overlap or ambiguity.

Naming Consistency5/5

Both tool names follow the same verb_noun pattern in snake_case (list_stacks, recommend_stack), maintaining perfect consistency.

Tool Count2/5

With only 2 tools, the surface is too thin for a 'stack advisor' server. Users likely need additional functionality like searching, filtering, or viewing stack details.

Completeness2/5

Obvious gaps exist: no way to inspect individual stack templates, search by tags, compare stacks, or manage stacks. The surface is severely limited for the domain.

Maintenance

ActivityStale
ResponsivenessNo issues

Resources

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