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Stack Gems

com.stackgems/catalog · v1.0.0

New (7 days)

Measured by MCP Station

Last check	Reachable
Checked at	—
Check success 7 / 30 days	—
First-try success 30 days	—
Median response	—
Lookups 30 days	—
Authentication	No auth
MCP version	2025-06-18
Rank score	—
Declared risk	Read-only (all tools declare readOnlyHint)
Capabilities declared	tools
Tool definitions	5 tools · with description 100% · input schema is an object 100% · read/destructive hints 100%

Read-only search of 900+ reviewed developer tools, each with a verdict and caveats. Free/OSS first.

streamable-http · https://stackgems.com/api/mcp

claude mcp add --transport http catalog https://stackgems.com/api/mcp

{
  "mcpServers": {
    "catalog": {
      "url": "https://stackgems.com/api/mcp"
    }
  }
}

search_gems
Search the Stack Gems catalog of reviewed developer tools. Matches name, tagline, verdict, Catch, subcategory and tags. Filters combine with AND. Returns verdict and the first sentence of the Catch for each hit.
get_gem
Full Stack Gems review of one tool by slug: what is good, the Catch, verdict, license, repo health, plus links to its best-of list and alternatives.
best_for
Ranked shortlist for a use case or category (e.g. "vector database", "coding agents", "auth", "mcp"), free and open source first, each with verdict and Catch. Falls back to search when no list matches.
get_alternatives
Free and open-source alternatives to a tool from the same category, with verdict and Catch. Works for any slug in the catalog.
list_categories
The catalog vocabulary: stacks (categories), best-of lists with counts, and the tag vocabulary with counts. Use the slugs as filters in search_gems.

Website · JSON · Text for agents · Registry updated 2026-10-19