diff --git a/Cargo.lock b/Cargo.lock
index 47e23d3b..2102c613 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -118,6 +118,12 @@ version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
+[[package]]
+name = "base64"
+version = "0.21.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4a4ddaa51a5bc52a6948f74c06d20aaaddb71924eab79b8c97a8c556e942d6a"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -203,6 +209,7 @@ dependencies = [
  "clap-cargo",
  "clap-verbosity-flag",
  "crates-index",
+ "crates_io_api",
  "directories",
  "git2",
  "handlebars",
@@ -362,6 +369,16 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "82a90734b3d5dcf656e7624cca6bce9c3a90ee11f900e80141a7427ccfb3d317"
 
+[[package]]
+name = "core-foundation"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "194a7a9e6de53fa55116934067c844d9d749312f75c6f6d0980e8c252f8c2146"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.3"
@@ -398,6 +415,24 @@ dependencies = [
  "toml 0.7.2",
 ]
 
+[[package]]
+name = "crates_io_api"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9fdfaac64c5eb7a33a5b895ffbaf6f1146721b6cd4c889010d19c8a1c1cae562"
+dependencies = [
+ "chrono",
+ "futures",
+ "log",
+ "reqwest",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "serde_path_to_error",
+ "tokio",
+ "url",
+]
+
 [[package]]
 name = "crossbeam-channel"
 version = "0.5.6"
@@ -543,6 +578,15 @@ version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91"
 
+[[package]]
+name = "encoding_rs"
+version = "0.8.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "071a31f4ee85403370b58aca746f01041ede6f0da2730960ad001edc2b71b394"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "errno"
 version = "0.2.8"
@@ -564,12 +608,36 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "fastrand"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e51093e27b0797c359783294ca4f0a911c270184cb10f85783b118614a1501be"
+dependencies = [
+ "instant",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "foreign-types"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
+dependencies = [
+ "foreign-types-shared",
+]
+
+[[package]]
+name = "foreign-types-shared"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
+
 [[package]]
 name = "form_urlencoded"
 version = "1.1.0"
@@ -579,6 +647,95 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "futures"
+version = "0.3.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13e2792b0ff0340399d58445b88fd9770e3489eff258a4cbc1523418f12abf84"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-channel"
+version = "0.3.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2e5317663a9089767a1ec00a487df42e0ca174b61b4483213ac24448e4664df5"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+]
+
+[[package]]
+name = "futures-core"
+version = "0.3.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec90ff4d0fe1f57d600049061dc6bb68ed03c7d2fbd697274c41805dcb3f8608"
+
+[[package]]
+name = "futures-executor"
+version = "0.3.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8de0a35a6ab97ec8869e32a2473f4b1324459e14c29275d14b10cb1fd19b50e"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-io"
+version = "0.3.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfb8371b6fb2aeb2d280374607aeabfc99d95c72edfe51692e42d3d7f0d08531"
+
+[[package]]
+name = "futures-macro"
+version = "0.3.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95a73af87da33b5acf53acfebdc339fe592ecf5357ac7c0a7734ab9d8c876a70"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "futures-sink"
+version = "0.3.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f310820bb3e8cfd46c80db4d7fb8353e15dfff853a127158425f31e0be6c8364"
+
+[[package]]
+name = "futures-task"
+version = "0.3.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dcf79a1bf610b10f42aea489289c5a2c478a786509693b80cd39c44ccd936366"
+
+[[package]]
+name = "futures-util"
+version = "0.3.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c1d6de3acfef38d2be4b1f543f553131788603495be83da675e180c8d6b7bd1"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-macro",
+ "futures-sink",
+ "futures-task",
+ "memchr",
+ "pin-project-lite",
+ "pin-utils",
+ "slab",
+]
+
 [[package]]
 name = "generic-array"
 version = "0.14.6"
@@ -656,6 +813,25 @@ dependencies = [
  "regex",
 ]
 
+[[package]]
+name = "h2"
+version = "0.3.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5be7b54589b581f624f566bf5d8eb2bab1db736c51528720b6bd36b96b55924d"
+dependencies = [
+ "bytes",
+ "fnv",
+ "futures-core",
+ "futures-sink",
+ "futures-util",
+ "http",
+ "indexmap",
+ "slab",
+ "tokio",
+ "tokio-util",
+ "tracing",
+]
+
 [[package]]
 name = "handlebars"
 version = "4.3.6"
@@ -724,6 +900,40 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "http"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd6effc99afb63425aff9b05836f029929e345a6148a14b7ecd5ab67af944482"
+dependencies = [
+ "bytes",
+ "fnv",
+ "itoa",
+]
+
+[[package]]
+name = "http-body"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d5f38f16d184e36f2408a55281cd658ecbd3ca05cce6d6510a176eca393e26d1"
+dependencies = [
+ "bytes",
+ "http",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "httparse"
+version = "1.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d897f394bad6a705d5f4104762e116a75639e470d80901eed05a860a95cb1904"
+
+[[package]]
+name = "httpdate"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4a1e36c821dbe04574f602848a19f742f4fb3c98d40449f11bcad18d6b17421"
+
 [[package]]
 name = "human-panic"
 version = "1.1.0"
@@ -740,6 +950,43 @@ dependencies = [
  "uuid",
 ]
 
+[[package]]
+name = "hyper"
+version = "0.14.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e011372fa0b68db8350aa7a248930ecc7839bf46d8485577d69f117a75f164c"
+dependencies = [
+ "bytes",
+ "futures-channel",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "httparse",
+ "httpdate",
+ "itoa",
+ "pin-project-lite",
+ "socket2",
+ "tokio",
+ "tower-service",
+ "tracing",
+ "want",
+]
+
+[[package]]
+name = "hyper-tls"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905"
+dependencies = [
+ "bytes",
+ "hyper",
+ "native-tls",
+ "tokio",
+ "tokio-native-tls",
+]
+
 [[package]]
 name = "iana-time-zone"
 version = "0.1.53"
@@ -802,6 +1049,15 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "instant"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "io-lifetimes"
 version = "1.0.5"
@@ -809,9 +1065,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1abeb7a0dd0f8181267ff8adc397075586500b81b28a73e8a0208b00fc170fb3"
 dependencies = [
  "libc",
- "windows-sys",
+ "windows-sys 0.45.0",
 ]
 
+[[package]]
+name = "ipnet"
+version = "2.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30e22bd8629359895450b59ea7a776c850561b96a3b1d31321c1949d9e6c9146"
+
 [[package]]
 name = "is-terminal"
 version = "0.4.3"
@@ -821,7 +1083,7 @@ dependencies = [
  "hermit-abi 0.3.0",
  "io-lifetimes",
  "rustix",
- "windows-sys",
+ "windows-sys 0.45.0",
 ]
 
 [[package]]
@@ -939,6 +1201,12 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "mime"
+version = "0.3.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a60c7ce501c71e03a9c9c0d35b861413ae925bd979cc7a4e30d060069aaac8d"
+
 [[package]]
 name = "miniz_oxide"
 version = "0.6.2"
@@ -948,6 +1216,36 @@ dependencies = [
  "adler",
 ]
 
+[[package]]
+name = "mio"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b9d9a46eff5b4ff64b45a9e316a6d1e0bc719ef429cbec4dc630684212bfdf9"
+dependencies = [
+ "libc",
+ "log",
+ "wasi 0.11.0+wasi-snapshot-preview1",
+ "windows-sys 0.45.0",
+]
+
+[[package]]
+name = "native-tls"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07226173c32f2926027b63cce4bcd8076c3552846cbe7925f3aaffeac0a3b92e"
+dependencies = [
+ "lazy_static",
+ "libc",
+ "log",
+ "openssl",
+ "openssl-probe",
+ "openssl-sys",
+ "schannel",
+ "security-framework",
+ "security-framework-sys",
+ "tempfile",
+]
+
 [[package]]
 name = "nom8"
 version = "0.2.0"
@@ -1001,6 +1299,32 @@ version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6f61fba1741ea2b3d6a1e3178721804bb716a68a6aeba1149b5d52e3d464ea66"
 
+[[package]]
+name = "openssl"
+version = "0.10.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b102428fd03bc5edf97f62620f7298614c45cedf287c271e7ed450bbaf83f2e1"
+dependencies = [
+ "bitflags",
+ "cfg-if",
+ "foreign-types",
+ "libc",
+ "once_cell",
+ "openssl-macros",
+ "openssl-sys",
+]
+
+[[package]]
+name = "openssl-macros"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b501e44f11665960c7e7fcf062c7d96a14ade4aa98116c004b2e37b5be7d736c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "openssl-probe"
 version = "0.1.5"
@@ -1097,6 +1421,18 @@ dependencies = [
  "sha2",
 ]
 
+[[package]]
+name = "pin-project-lite"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0a7ae3ac2f1173085d398531c705756c94a4c56843785df85a60c1a0afac116"
+
+[[package]]
+name = "pin-utils"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+
 [[package]]
 name = "pkg-config"
 version = "0.3.26"
@@ -1243,13 +1579,50 @@ version = "0.6.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"
 
+[[package]]
+name = "reqwest"
+version = "0.11.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "21eed90ec8570952d53b772ecf8f206aa1ec9a3d76b2521c56c42973f2d91ee9"
+dependencies = [
+ "base64 0.21.0",
+ "bytes",
+ "encoding_rs",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "hyper",
+ "hyper-tls",
+ "ipnet",
+ "js-sys",
+ "log",
+ "mime",
+ "native-tls",
+ "once_cell",
+ "percent-encoding",
+ "pin-project-lite",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "tokio",
+ "tokio-native-tls",
+ "tower-service",
+ "url",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "winreg",
+]
+
 [[package]]
 name = "ron"
 version = "0.6.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "86018df177b1beef6c7c8ef949969c4f7cb9a9344181b92486b23c79995bdaa4"
 dependencies = [
- "base64",
+ "base64 0.13.1",
  "bitflags",
  "serde",
 ]
@@ -1260,7 +1633,7 @@ version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "88073939a61e5b7680558e6be56b419e208420c2adb92be54921fa6b72283f1a"
 dependencies = [
- "base64",
+ "base64 0.13.1",
  "bitflags",
  "serde",
 ]
@@ -1324,7 +1697,7 @@ dependencies = [
  "io-lifetimes",
  "libc",
  "linux-raw-sys",
- "windows-sys",
+ "windows-sys 0.45.0",
 ]
 
 [[package]]
@@ -1342,6 +1715,15 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "schannel"
+version = "0.1.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "713cfb06c7059f3588fb8044c0fad1d09e3c01d225e25b9220dbfdcf16dbb1b3"
+dependencies = [
+ "windows-sys 0.42.0",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -1354,6 +1736,29 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ddccb15bcce173023b3fedd9436f882a0739b8dfb45e4f6b6002bee5929f61b2"
 
+[[package]]
+name = "security-framework"
+version = "2.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a332be01508d814fed64bf28f798a146d73792121129962fdf335bb3c49a4254"
+dependencies = [
+ "bitflags",
+ "core-foundation",
+ "core-foundation-sys",
+ "libc",
+ "security-framework-sys",
+]
+
+[[package]]
+name = "security-framework-sys"
+version = "2.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "31c9bb296072e961fcbd8853511dd39c2d8be2deb1e17c6860b1d30732b323b4"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "semver"
 version = "1.0.16"
@@ -1394,6 +1799,15 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_path_to_error"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26b04f22b563c91331a10074bda3dd5492e3cc39d56bd557e91c0af42b6c7341"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "serde_spanned"
 version = "0.6.1"
@@ -1403,6 +1817,18 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_urlencoded"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd"
+dependencies = [
+ "form_urlencoded",
+ "itoa",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "sha2"
 version = "0.10.6"
@@ -1420,6 +1846,15 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "45bb67a18fa91266cc7807181f62f9178a6873bfad7dc788c42e6430db40184f"
 
+[[package]]
+name = "slab"
+version = "0.4.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6528351c9bc8ab22353f9d776db39a20288e8d6c37ef8cfe3317cf875eecfc2d"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.10.0"
@@ -1438,6 +1873,16 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "socket2"
+version = "0.4.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95a21dcece9b5991cfd1ece74654c8e3d0d5aab499d359b0395e38229c0bb5a3"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "strsim"
 version = "0.10.0"
@@ -1465,6 +1910,19 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "tempfile"
+version = "3.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af18f7ae1acd354b992402e9ec5864359d693cd8a79dcbef59f76891701c1e95"
+dependencies = [
+ "cfg-if",
+ "fastrand",
+ "redox_syscall",
+ "rustix",
+ "windows-sys 0.42.0",
+]
+
 [[package]]
 name = "termcolor"
 version = "1.2.0"
@@ -1551,6 +2009,47 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
+[[package]]
+name = "tokio"
+version = "1.26.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03201d01c3c27a29c8a5cee5b55a93ddae1ccf6f08f65365c2c918f8c1b76f64"
+dependencies = [
+ "autocfg",
+ "bytes",
+ "libc",
+ "memchr",
+ "mio",
+ "num_cpus",
+ "pin-project-lite",
+ "socket2",
+ "windows-sys 0.45.0",
+]
+
+[[package]]
+name = "tokio-native-tls"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbae76ab933c85776efabc971569dd6119c580d8f5d448769dec1764bf796ef2"
+dependencies = [
+ "native-tls",
+ "tokio",
+]
+
+[[package]]
+name = "tokio-util"
+version = "0.7.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5427d89453009325de0d8f342c9490009f76e999cb7672d77e46267448f7e6b2"
+dependencies = [
+ "bytes",
+ "futures-core",
+ "futures-sink",
+ "pin-project-lite",
+ "tokio",
+ "tracing",
+]
+
 [[package]]
 name = "toml"
 version = "0.5.11"
@@ -1594,6 +2093,32 @@ dependencies = [
  "toml_datetime",
 ]
 
+[[package]]
+name = "tower-service"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6bc1c9ce2b5135ac7f93c72918fc37feb872bdc6a5533a8b85eb4b86bfdae52"
+
+[[package]]
+name = "tracing"
+version = "0.1.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ce8c33a8d48bd45d624a6e523445fd21ec13d3653cd51f681abf67418f54eb8"
+dependencies = [
+ "cfg-if",
+ "pin-project-lite",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-core"
+version = "0.1.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24eb03ba0eab1fd845050058ce5e616558e8f8d8fca633e6b163fe25c797213a"
+dependencies = [
+ "once_cell",
+]
+
 [[package]]
 name = "trustfall-rustdoc-adapter"
 version = "21.5.2"
@@ -1685,6 +2210,12 @@ dependencies = [
  "trustfall_core",
 ]
 
+[[package]]
+name = "try-lock"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3528ecfd12c466c6f163363caf2d02a71161dd5e1cc6ae7b34207ea2d42d81ed"
+
 [[package]]
 name = "typenum"
 version = "1.16.0"
@@ -1776,6 +2307,16 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "want"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
+dependencies = [
+ "log",
+ "try-lock",
+]
+
 [[package]]
 name = "wasi"
 version = "0.10.0+wasi-snapshot-preview1"
@@ -1813,6 +2354,18 @@ dependencies = [
  "wasm-bindgen-shared",
 ]
 
+[[package]]
+name = "wasm-bindgen-futures"
+version = "0.4.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f219e0d211ba40266969f6dbdd90636da12f75bee4fc9d6c23d1260dadb51454"
+dependencies = [
+ "cfg-if",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
 [[package]]
 name = "wasm-bindgen-macro"
 version = "0.2.84"
@@ -1842,6 +2395,16 @@ version = "0.2.84"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0046fef7e28c3804e5e38bfa31ea2a0f73905319b677e57ebe37e49358989b5d"
 
+[[package]]
+name = "web-sys"
+version = "0.3.61"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e33b99f4b23ba3eec1a53ac264e35a755f00e966e0065077d6027c0f575b0b97"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -1873,6 +2436,21 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows-sys"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.45.0"
@@ -1938,3 +2516,12 @@ name = "windows_x86_64_msvc"
 version = "0.42.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "447660ad36a13288b1db4d4248e857b510e8c3a225c822ba4fb748c0aafecffd"
+
+[[package]]
+name = "winreg"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80d0f4e272c85def139476380b12f9ac60926689dd2e01d4923222f40580869d"
+dependencies = [
+ "winapi",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 6c905d37..b238d381 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,6 +9,7 @@ repository = "https://github.com/obi1kenobi/cargo-semver-checks"
 readme = "./README.md"
 keywords = ["semver", "check", "crate", "cargo"]
 categories = ["command-line-utilities", "development-tools::cargo-plugins"]
+default-run = "cargo-semver-checks"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
@@ -38,6 +39,7 @@ itertools = "0.10.5"
 cargo_toml = "0.15.2"
 toml = "0.5.9"
 directories = "4.0.1"
+crates_io_api = { version = "0.8.1", optional = true }
 
 [dev-dependencies]
 assert_cmd = "2.0"
@@ -46,6 +48,11 @@ lazy_static = "1.4.0"
 [features]
 default = ["vendored-openssl"]
 vendored-openssl = ["crates-index/vendored-openssl"]
+semver-crater = ["dep:crates_io_api"]
+
+[[bin]]
+name = "semver-crater"
+required-features = ["semver-crater"]
 
 # In dev and test profiles, compile all dependencies with optimizations enabled,
 # but still checking debug assertions and overflows.
diff --git a/src/bin/semver-crater.rs b/src/bin/semver-crater.rs
new file mode 100644
index 00000000..220d414e
--- /dev/null
+++ b/src/bin/semver-crater.rs
@@ -0,0 +1,116 @@
+use clap::{Parser, ValueEnum};
+use crates_io_api::{CratesQuery, Sort, Version};
+use itertools::Itertools;
+use std::time::Duration;
+
+#[derive(ValueEnum, Clone, Debug)]
+enum ReleaseFilter {
+    CheckAllReleases,
+    SkipAdjacentPatches,
+    SkipAdjacentMinor,
+}
+
+impl ReleaseFilter {
+    fn filter(&self, versions: Vec<Version>) -> Vec<(Version, Version)> {
+        let versions = {
+            let mut filtered: Vec<Version> = vec![versions
+                .first()
+                .expect("received empty list of versions")
+                .clone()];
+            filtered.extend(versions.windows(3).filter_map(|vec| {
+                let mut iter = vec.iter();
+                let version_v0 = semver::Version::parse(&iter.next().unwrap().num).unwrap();
+                let v1 = iter.next().unwrap();
+                let version_v2 = semver::Version::parse(&iter.next().unwrap().num).unwrap();
+                assert!(iter.next().is_none());
+
+                let keep_middle = match self {
+                    Self::CheckAllReleases => true,
+                    Self::SkipAdjacentPatches => {
+                        version_v0.major != version_v2.major || version_v0.minor != version_v2.minor
+                    }
+                    Self::SkipAdjacentMinor => version_v0.major != version_v2.major,
+                };
+                match keep_middle {
+                    true => Some(v1.clone()),
+                    false => None,
+                }
+            }));
+            filtered.push(
+                versions
+                    .last()
+                    .expect("received empty list of versions")
+                    .clone(),
+            );
+            filtered
+        };
+        versions.into_iter().tuple_windows().collect()
+    }
+}
+
+#[derive(Parser, Debug)]
+#[command(author)]
+struct Args {
+    #[arg(value_enum, default_value_t=ReleaseFilter::SkipAdjacentPatches)]
+    release_filter: ReleaseFilter,
+
+    #[arg(short, long)]
+    crates: Vec<String>,
+}
+
+fn check_crate(
+    client: &crates_io_api::SyncClient,
+    release_filter: &ReleaseFilter,
+    name: &str,
+) -> anyhow::Result<()> {
+    let versions = client.get_crate(name)?.versions;
+    let versions: Vec<Version> = versions.into_iter().filter(|v| !v.yanked).collect();
+    for (version_current, version_baseline) in release_filter.filter(versions) {
+        println!(
+            "{} {} -> {}",
+            name, version_baseline.num, version_current.num
+        );
+
+        let report = cargo_semver_checks::Check::new(cargo_semver_checks::Rustdoc::from_registry(
+            &version_current.num,
+        ))
+        .with_baseline(cargo_semver_checks::Rustdoc::from_registry(
+            &version_baseline.num,
+        ))
+        .with_packages(vec![name.to_string()])
+        .check_release()?;
+        let _ = report;
+    }
+    Ok(())
+}
+
+fn main() -> anyhow::Result<()> {
+    let args = Args::parse();
+
+    let client = crates_io_api::SyncClient::new(
+        // The format of the string and the duration
+        // is documented in https://crates.io/policies#crawlers
+        "crates_io_api: cargo-semver-checks (https://github.com/obi1kenobi/cargo-semver-checks/)",
+        Duration::from_millis(1000),
+    )?;
+
+    match args.crates.is_empty() {
+        true => {
+            let mut query = CratesQuery::builder()
+                .page_size(100)
+                .sort(Sort::Downloads)
+                .build();
+            query.set_page(1);
+            for crate_info in client.crates(query)?.crates.into_iter() {
+                check_crate(&client, &args.release_filter, &crate_info.name)?;
+            }
+        }
+        false => {
+            for crate_name in args.crates {
+                check_crate(&client, &args.release_filter, &crate_name)?;
+            }
+        }
+    }
+
+    Ok(())
+}