Skillselion vs ToolSparkr

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Skillselion compared with ToolSparkr
Detail	Skillselion	ToolSparkr
What it does	Directory of Claude Code skills, MCP servers and marketplaces ranked by real installs	Free online developer tools for converting, generating, hashing and inspecting data
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Not given	Freemium
Pricing	Browsing the catalog, using the public catalog API, and accessing research datasets marked CC BY are all free. No paid plans or subscription charges.	Free: all 35 browser tools with standard per-IP rate limits, no account needed. ToolSparkr Pro: $9 per month billed monthly with personal API key, 10x higher rate limits on 7 server-side endpoints, email support.
Key features	Daily catalog updates from live registries Daily install count snapshots Automatic removal of dead repositories Open datasets with CC BY licensing Dated, frozen research censuses Public catalog API without API keys MCP protocol integration	Not given
What makes it different	Ranked by actual adoption metrics, not paid placements Independent from tool makers Comprehensive ecosystem measurement through research Automatic quality gates and duplicate consolidation All statistics attributed and dated with no invented figures	Most tools run entirely in browser so data never reaches servers API access available for server-side tools with higher rate limits
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	35 +1 (up) since last check	2 no change since last check
Trust Flow (Majestic)	21	3
Citation Flow (Majestic)	43	1
Referring domains (Majestic)	187	3

3 details filled in for both companies.

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