MarketNow Registry / Developer Tools / @21st-dev/magic
@21st-dev/magic
Magic MCP is now the 21st MCP. This package is a compatibility proxy kept for old configs - new setups should use `npx @21st-dev/cli@latest init`. Setup: https://21st.dev/mcp
Install
$ npx -y @21st-dev/magicInstalling via npx/uvx/npm install executes arbitrary code from the public registry on your machine. This is the install-risk semantic of the MarketNow catalog — verify the publisher before running it.
Adoption evidence: 100 weekly registry downloads.
How MarketNow scored this
Sentinel Index Heuristics — a security-first estimate from public signals:
- Package age and release activity (stale repositories lose points)
- Verified adoption: registry downloads or GitHub stars, not follower counts
- Typosquat distance against the 150 most-installed MCP packages
- Injection markers scanned in the package description
Heuristic, not a guarantee. For verified agent credentials and revocation, see the MarketNow Trust API.
What is @21st-dev/magic?
Magic MCP is now the 21st MCP. This package is a compatibility proxy kept for old configs - new setups should use `npx @21st-dev/cli@latest init`. Setup: https://21st.dev/mcp Indexed by MarketNow with trust 72/100 (Runs registry code).
How do I install it?
Run $ npx -y @21st-dev/magic Installing via npx/uvx/npm install executes arbitrary code from the public registry on your machine. This is the install-risk semantic of the MarketNow catalog — verify the publisher before running it.
What does the trust score mean?
Security-first heuristic over public signals (age, adoption, typosquat distance, injection markers). It is not a popularity ranking and not a guarantee of safety. @21st-dev/magic scores 72/100.