Is capnpc safe to use?

capnpc has no known vulnerabilities on the latest version (0.25.3). DepScope rates its health at 87/100 (low risk).

What is the latest version of capnpc?

The latest version of capnpc is 0.25.3, released 2026-04-02.

No known vulnerabilities on the latest version of capnpc.

No, capnpc is actively maintained. Latest release: 0.25.3 (2026-04-02).

Popular alternatives to capnpc in Cargo include: hashbrown, getrandom, windows-sys, syn.

cargov0.25.3

Cap'n Proto code generation

License MITpermissive146 versions0 deps1,451,765 weekly dl

/ 100

Health

safe to use

[email protected] is safe to use (health: 87/100)

Health breakdown0 – 100

25/25

maintenance

17/20

popularity

25/25

security

15/15

maturity

5/15

community

Vulnerabilities

none known

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/cargo/capnpc