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lean

Version: 4.35.0

Lean 4 programming language and theorem prover

Install package

min add lean
Libraryleanlean4

OpenSSF Score

OpenSSF Scorecard — lean

Scored 0–10, as OpenSSF Scorecard reports them.N/A: not applicable or inconclusive.

Binary-Artifacts

No binaries found in the repo

10
Branch-Protection

Could not be evaluated.

N/A
CII-Best-Practices

No effort to earn an OpenSSF best practices badge detected

0
Code-Review

Found 3/30 approved changesets -- score normalized to 1

1
Dangerous-Workflow

No dangerous workflow patterns detected

10
Fuzzing

Project is not fuzzed

0
License

License file detected

10
Maintained

30 commit(s) and 8 issue activity found in the last 90 days -- score normalized to 10

10
Packaging

Packaging workflow not detected

N/A
Pinned-Dependencies

Dependency not pinned by hash detected -- score normalized to 4

4
SAST

SAST tool is not run on all commits -- score normalized to 0

0
Security-Policy

Security policy file not detected

0
Signed-Releases

Project has not signed or included provenance with any releases.

0
Token-Permissions

Detected GitHub workflow tokens with excessive permissions

0

Scored by OpenSSF Scorecard, from OpenSSF's weekly scan of public GitHub repositories.

leanprover/lean4scanned

Last scored on

What is "lean"?

Lean 4 programming language and theorem prover

How to use this package

Quick install

Installs the package into the current environment for this session. Use --build or --runtime to persist it as a build-time or runtime dependency.

min add lean

Declare as a task dependency in minimal.toml

Listing the package under tasks.<name>.packages makes it available inside that task’s sandbox.

[tasks.dev]
packages = ["lean"]

Build-time vs runtime

Choose build-time for tools needed during compilation, runtime for dynamic libraries loaded at runtime.

min add --build lean
min add --runtime lean
Compare versions
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Dependencies (12)

Dependencies
NameVersionKind
base—build
cadical2.1.3runtime
cmake4.4.4build
gcc15.2.0runtime
git2.56.0build
glibc2.44runtime
gmp6.3.0build + runtime
libuv1.53.0build + runtime
make4.4.1build
openssl3.6.5runtime
pkgconf3.0.5build
toolchain—build

Dependants (1)

Dependants
NameVersion
aeneas-latest20261022
  1. lean v4.35.0d9ce3d2
    Diff
    Lines:+2 / -2Deps:12
    Released:
  2. lean v4.34.15a34c7d
    Diff
    Lines:+2 / -2Deps:12(+1)
    Released:
  3. lean v4.33.0dadeaa0
    Diff
    Lines:+120 / -6Deps:11(+2)
    Released:
  4. lean v4.32.2372961e
    Diff
    Lines:+2 / -2Deps:9
    Released:
  5. lean v4.32.068c110d
    Diff
    Lines:+2 / -2Deps:9
    Released:
  6. lean v4.28.01975757
    Diff
    Lines:+120 / -4Deps:9(+9)
    Released:

No direct advisories

This package inherits 2 transitive advisories from its dependencies.

Build provenance

Loading provenance

For the signed record of what the build used, see the Provenance tab.

Software Bill of Materials — every package this build depends on
PackagesVersion
leanROOT4.35.0
acl2.4.0
attr2.6.0
autoconf2.73
automake1.18.1
bash5.3
bash-bootstrap5.3
binutils2.47
bison3.8.2
bzip21.0.8
cadical2.1.3
cmake4.4.4
coreutils9.12
curl8.23.0
diffutils3.12
expat2.9.0
file5.48
findutils4.11.0
flex2.6.4
gawk5.4.1
gawk-bootstrap5.4.1
gcc15.2.0
gdbm1.26
gettext1.0
git2.56.0
glibc2.44
gmp6.3.0
grep3.12
gzip1.15
libcap2.78
libffi3.8.0
libidn22.3.8
libpsl0.23.3
libssh21.11.1
libtool2.6.2
libunistring1.4.2
libuv1.53.0
linux_headers6.12.43
llvm21.1.8
llvm-bootstrap21.1.8
lz41.10.0
m41.4.21
make4.4.1
meson1.12.0
mpc1.4.1
mpfr4.2.2
ncurses6.6
ninja1.13.2
openssl3.6.5
patch2.8
pcre210.49
perl5.44.0
pkgconf3.0.5
python3.14.9
readline8.3
rust1.99.0
rustc-1.98.11.98.1
sed4.10
setuptools84.2.1
sqlite3.54.0
tar1.35
tzdata2026e
util-linux2.42.4
xz5.8.4
zlib1.3.2
zstd1.5.7

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