Stack Gems

Name: Stack Gems
Author: com.stackgems

MCP serverMCP

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

by com.stackgemshomepage ↗v1.0.0

Is this yours?

This record is unclaimed

Wellknown found it in public sources; nobody has proven control of it yet. Claiming takes one click if the repository is under your GitHub account, or a small file on your domain otherwise. Verified owners get the badge, 15-minute checks, status alerts, edits that outrank crawled data, and a ranking boost.

Agents can do it too: POST https://wellknown.network/api/v1/claims with {"agent":"stack-gems","method":"well_known_file"} — machine-readable steps at claim.json, guide at /docs/claim.

Claim this record

Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability33/33 checks ok

when	check	result	http	latency	detail
1 h ago	mcp initialize	ok	200	102 ms	server stackgems 1.0.0 · protocol 2025-06-18 · 5 tools
9 h ago	mcp initialize	ok	200	98 ms	server stackgems 1.0.0 · protocol 2025-06-18 · 5 tools
16 h ago	mcp initialize	ok	200	100 ms	server stackgems 1.0.0 · protocol 2025-06-18 · 5 tools
24 h ago	mcp initialize	ok	200	100 ms	server stackgems 1.0.0 · protocol 2025-06-18 · 5 tools
32 h ago	mcp initialize	ok	200	127 ms	server stackgems 1.0.0 · protocol 2025-06-18 · 5 tools
2 d ago	mcp initialize	ok	200	99 ms	server stackgems 1.0.0 · protocol 2025-06-18 · 5 tools
2 d ago	mcp initialize	ok	200	95 ms	server stackgems 1.0.0 · protocol 2025-06-18 · 5 tools
2 d ago	mcp initialize	ok	200	96 ms	server stackgems 1.0.0 · protocol 2025-06-18 · 5 tools
3 d ago	mcp initialize	ok	200	93 ms	server stackgems 1.0.0 · protocol 2025-06-18 · 5 tools
3 d ago	mcp initialize	ok	200	99 ms	server stackgems 1.0.0 · protocol 2025-06-18 · 5 tools

Tools observed via MCP handshake

search_gems — Search the Stack Gems catalog of reviewed developer tools. Matches name, tagline, verdict, Catch, subcategory and tags. Filters combine with AND. Returns verdic
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. F
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.

Declared by sources

What the publisher says

Attributed to the source that supplied each field. Treated as claims, not facts.

No long description beyond the summary.

kind Official MCP Registry

name Official MCP Registry

summary Official MCP Registry

version Official MCP Registry

description Official MCP Registry

homepageUrl Official MCP Registry

publisherName Official MCP Registry

Derived by Wellknown

Capabilities

Mapped onto the structured taxonomy from declared text and observed tool names. Confidence shown for derived entries.

code.generationCode Generation58%data.databaseDatabases53%commerce.ecommerceE-commerce Operations51%

Provenance

Where this record came from

Every source is kept verbatim. Field changes are logged as events.

Official MCP Registrycom.stackgems/catalog

first seen 10 d ago · fetched 3 d agoopen ↗

Field history (6 recent events)

10 d ago · declared · summary → "Read-only search of 900+ reviewed developer tools, each with a verdict and caveats. Free/OSS first."
10 d ago · declared · description → "Read-only search of 900+ reviewed developer tools, each with a verdict and caveats. Free/OSS first."
10 d ago · declared · publisherName → "com.stackgems"
10 d ago · declared · homepageUrl → "https://stackgems.com/for-agents"
10 d ago · declared · version → "1.0.0"
10 d ago · declared · protocols → ["mcp"]