diff --git a/Cargo.lock b/Cargo.lock
index a62b81a..7e3a92e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -19,9 +19,9 @@ checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
 [[package]]
 name = "aho-corasick"
-version = "1.0.5"
+version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c378d78423fdad8089616f827526ee33c19f2fddbd5de1629152c9593ba4783"
+checksum = "ea5d730647d4fadd988536d06fecce94b7b4f2a7efdae548f1cf4b63205518ab"
 dependencies = [
  "memchr",
 ]
@@ -32,6 +32,54 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299"
 
+[[package]]
+name = "anstream"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1f58811cfac344940f1a400b6e6231ce35171f614f26439e80f8c1465c5cc0c"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b84bf0a05bbb2a83e5eb6fa36bb6e87baa08193c35ff52bbf6b38d8af2890e46"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "938874ff5980b03a87c5524b3ae5b59cf99b1d6bc836848df7bc5ada9643c333"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
+dependencies = [
+ "windows-sys",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58f54d10c6dfa51283a066ceab3ec1ab78d13fae00aa49243a45e4571fb79dfd"
+dependencies = [
+ "anstyle",
+ "windows-sys",
+]
+
 [[package]]
 name = "anyhow"
 version = "1.0.75"
@@ -72,7 +120,7 @@ checksum = "bc00ceb34980c03614e35a3a4e218276a0a824e911d07651cd0d858a51e8c0f0"
 dependencies = [
  "proc-macro2 1.0.67",
  "quote 1.0.33",
- "syn 2.0.35",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -285,11 +333,45 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4ea181bf566f71cb9a5d17a59e1871af638180a18fb0035c92ae62b705207123"
 dependencies = [
  "bitflags 1.3.2",
- "clap_lex",
- "indexmap",
+ "clap_lex 0.2.4",
+ "indexmap 1.9.3",
  "textwrap",
 ]
 
+[[package]]
+name = "clap"
+version = "4.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1d7b8d5ec32af0fadc644bf1fd509a688c2103b185644bb1e29d164e0703136"
+dependencies = [
+ "clap_builder",
+ "clap_derive",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5179bb514e4d7c2051749d8fcefa2ed6d06a9f4e6d69faf3805f5d80b8cf8d56"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "clap_lex 0.5.1",
+ "strsim",
+]
+
+[[package]]
+name = "clap_derive"
+version = "4.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0862016ff20d69b84ef8247369fabf5c008a7417002411897d40ee1f4532b873"
+dependencies = [
+ "heck 0.4.1",
+ "proc-macro2 1.0.67",
+ "quote 1.0.33",
+ "syn 2.0.37",
+]
+
 [[package]]
 name = "clap_lex"
 version = "0.2.4"
@@ -299,6 +381,18 @@ dependencies = [
  "os_str_bytes",
 ]
 
+[[package]]
+name = "clap_lex"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd7cc57abe963c6d3b9d8be5b06ba7c8957a930305ca90304f24ef040aa6f961"
+
+[[package]]
+name = "colorchoice"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
+
 [[package]]
 name = "concurrent-queue"
 version = "2.2.0"
@@ -349,7 +443,7 @@ dependencies = [
  "atty",
  "cast",
  "ciborium",
- "clap",
+ "clap 3.2.25",
  "criterion-plot",
  "itertools 0.10.5",
  "lazy_static",
@@ -437,6 +531,19 @@ dependencies = [
  "uuid",
 ]
 
+[[package]]
+name = "crunch-cli"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "async-trait",
+ "clap 4.4.4",
+ "thiserror",
+ "tokio",
+ "tracing",
+ "tracing-subscriber",
+]
+
 [[package]]
 name = "crunch-envelope"
 version = "0.1.0"
@@ -454,6 +561,19 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "crunch-file"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "async-trait",
+ "crunch-traits",
+ "pretty_assertions",
+ "serde",
+ "tokio",
+ "toml_edit",
+]
+
 [[package]]
 name = "crunch-in-memory"
 version = "0.1.0"
@@ -532,6 +652,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "diff"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56254986775e3233ffa9c4d7d3faaf6d36a2c09d30b20687e9f88bc8bafc16c8"
+
 [[package]]
 name = "digest"
 version = "0.9.0"
@@ -568,6 +694,12 @@ version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
 [[package]]
 name = "errno"
 version = "0.3.3"
@@ -705,7 +837,7 @@ checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
 dependencies = [
  "proc-macro2 1.0.67",
  "quote 1.0.33",
- "syn 2.0.35",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -777,6 +909,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c6201b9ff9fd90a5a3bac2e56a830d0caa509576f0e503818ee82c181b3437a"
+
 [[package]]
 name = "heck"
 version = "0.3.3"
@@ -786,6 +924,12 @@ dependencies = [
  "unicode-segmentation",
 ]
 
+[[package]]
+name = "heck"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+
 [[package]]
 name = "hermit-abi"
 version = "0.1.19"
@@ -797,9 +941,9 @@ dependencies = [
 
 [[package]]
 name = "hermit-abi"
-version = "0.3.2"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "443144c8cdadd93ebf52ddb4056d257f5b52c04d3c804e657d19eb73fc33668b"
+checksum = "d77f7ec81a6d05a3abb01ab6eb7590f6083d08449fe5a1c8b1e620283546ccb7"
 
 [[package]]
 name = "idna"
@@ -818,7 +962,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d5477fe2230a79769d8dc68e0eabf5437907c0457a5614a9e8dddb67f65eb65d"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.0",
 ]
 
 [[package]]
@@ -857,6 +1011,15 @@ dependencies = [
  "either",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.9"
@@ -1039,7 +1202,7 @@ version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43"
 dependencies = [
- "hermit-abi 0.3.2",
+ "hermit-abi 0.3.3",
  "libc",
 ]
 
@@ -1199,6 +1362,16 @@ version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
+[[package]]
+name = "pretty_assertions"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af7cee1a6c8a5b9208b3cb1061f10c0cb689087b3d8ce85fb9d2dd7a29b6ba66"
+dependencies = [
+ "diff",
+ "yansi",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "0.4.30"
@@ -1245,7 +1418,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eb788126ea840817128183f8f603dce02cb7aea25c2a0b764359d8e20010702e"
 dependencies = [
  "bytes 0.4.12",
- "heck",
+ "heck 0.3.3",
  "itertools 0.8.2",
  "log",
  "multimap",
@@ -1276,10 +1449,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "265baba7fabd416cf5078179f7d2cbeca4ce7a9041111900675ea7c4cb8a4c32"
 dependencies = [
  "anyhow",
- "itertools 0.10.5",
+ "itertools 0.11.0",
  "proc-macro2 1.0.67",
  "quote 1.0.33",
- "syn 2.0.35",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -1357,9 +1530,9 @@ dependencies = [
 
 [[package]]
 name = "rayon"
-version = "1.7.0"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d2df5196e37bcc87abebc0053e20787d73847bb33134a69841207dd0a47f03b"
+checksum = "9c27db03db7734835b3f53954b534c91069375ce6ccaa2e065441e07d9b6cdb1"
 dependencies = [
  "either",
  "rayon-core",
@@ -1367,14 +1540,12 @@ dependencies = [
 
 [[package]]
 name = "rayon-core"
-version = "1.11.0"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b8f95bd6966f5c87776639160a66bd8ab9895d9d4ab01ddba9fc60661aebe8d"
+checksum = "5ce3fb6ad83f861aac485e76e1985cd109d9a3713802152be56c3b1f0e0658ed"
 dependencies = [
- "crossbeam-channel",
  "crossbeam-deque",
  "crossbeam-utils",
- "num_cpus",
 ]
 
 [[package]]
@@ -1438,9 +1609,9 @@ checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
 
 [[package]]
 name = "rustix"
-version = "0.38.13"
+version = "0.38.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7db8590df6dfcd144d22afd1b83b36c21a18d7cbc1dc4bb5295a8712e9eb662"
+checksum = "747c788e9ce8e92b12cd485c49ddf90723550b654b32508f979b71a7b1ecda4f"
 dependencies = [
  "bitflags 2.4.0",
  "errno",
@@ -1563,7 +1734,7 @@ checksum = "4eca7ac642d82aa35b60049a6eccb4be6be75e599bd2e9adb5f875a737654af2"
 dependencies = [
  "proc-macro2 1.0.67",
  "quote 1.0.33",
- "syn 2.0.35",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -1594,7 +1765,16 @@ checksum = "8725e1dfadb3a50f7e5ce0b1a540466f6ed3fe7a0fca2ac2b8b831d31316bd00"
 dependencies = [
  "proc-macro2 1.0.67",
  "quote 1.0.33",
- "syn 2.0.35",
+ "syn 2.0.37",
+]
+
+[[package]]
+name = "serde_spanned"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96426c9936fd7a0124915f9185ea1d20aa9445cc9821142f0a73bc9207a2e186"
+dependencies = [
+ "serde",
 ]
 
 [[package]]
@@ -1657,9 +1837,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "socket2"
@@ -1686,6 +1866,12 @@ dependencies = [
  "der",
 ]
 
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
 [[package]]
 name = "subtle"
 version = "2.5.0"
@@ -1705,9 +1891,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.35"
+version = "2.0.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59bf04c28bee9043ed9ea1e41afc0552288d3aba9c6efdd78903b802926f4879"
+checksum = "7303ef2c05cd654186cb250d29049a24840ca25d2747c25c0381c8d9e2f582e8"
 dependencies = [
  "proc-macro2 1.0.67",
  "quote 1.0.33",
@@ -1757,7 +1943,7 @@ checksum = "49922ecae66cc8a249b77e68d1d0623c1b2c514f0060c27cdc68bd62a1219d35"
 dependencies = [
  "proc-macro2 1.0.67",
  "quote 1.0.33",
- "syn 2.0.35",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -1772,9 +1958,9 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17f6bb557fd245c28e6411aa56b6403c689ad95061f50e4be16c274e70a17e48"
+checksum = "426f806f4089c493dcac0d24c29c01e2c38baf8e30f1b716ee37e83d200b18fe"
 dependencies = [
  "deranged",
  "itoa",
@@ -1785,15 +1971,15 @@ dependencies = [
 
 [[package]]
 name = "time-core"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7300fbefb4dadc1af235a9cef3737cea692a9d97e1b9cbcd4ebdae6f8868e6fb"
+checksum = "ef927ca75afb808a4d64dd374f00a2adf8d0fcff8e7b184af886c3c87ec4a3f3"
 
 [[package]]
 name = "time-macros"
-version = "0.2.14"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a942f44339478ef67935ab2bbaec2fb0322496cf3cbe84b261e06ac3814c572"
+checksum = "4ad70d68dba9e1f8aceda7aa6711965dfec1cac869f311a51bd08b3a2ccbce20"
 dependencies = [
  "time-core",
 ]
@@ -1850,7 +2036,7 @@ checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
 dependencies = [
  "proc-macro2 1.0.67",
  "quote 1.0.33",
- "syn 2.0.35",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -1867,9 +2053,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-util"
-version = "0.7.8"
+version = "0.7.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "806fe8c2c87eccc8b3267cbae29ed3ab2d0bd37fca70ab622e46aaa9375ddb7d"
+checksum = "1d68074620f57a0b21594d9735eb2e98ab38b17f80d3fcb189fca266771ca60d"
 dependencies = [
  "bytes 1.5.0",
  "futures-core",
@@ -1878,6 +2064,28 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "toml_datetime"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7cda73e2f1397b1262d6dfdcef8aafae14d1de7748d66822d3bfeeb6d03e5e4b"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "toml_edit"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ff63e60a958cefbb518ae1fd6566af80d9d4be430a33f3723dfc47d1d411d95"
+dependencies = [
+ "indexmap 2.0.0",
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "winnow",
+]
+
 [[package]]
 name = "tracing"
 version = "0.1.37"
@@ -1899,7 +2107,7 @@ checksum = "5f4f31f56159e98206da9efd823404b79b6ef3143b4a7ab76e67b1751b25a4ab"
 dependencies = [
  "proc-macro2 1.0.67",
  "quote 1.0.33",
- "syn 2.0.35",
+ "syn 2.0.37",
 ]
 
 [[package]]
@@ -1993,6 +2201,12 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "utf8parse"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
+
 [[package]]
 name = "uuid"
 version = "1.4.1"
@@ -2057,7 +2271,7 @@ dependencies = [
  "once_cell",
  "proc-macro2 1.0.67",
  "quote 1.0.33",
- "syn 2.0.35",
+ "syn 2.0.37",
  "wasm-bindgen-shared",
 ]
 
@@ -2079,7 +2293,7 @@ checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
 dependencies = [
  "proc-macro2 1.0.67",
  "quote 1.0.33",
- "syn 2.0.35",
+ "syn 2.0.37",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -2138,9 +2352,9 @@ checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
 [[package]]
 name = "winapi-util"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
+checksum = "f29e6f9198ba0d26b4c9f07dbe6f9ed633e1f3d5b8b414090084349e46a52596"
 dependencies = [
  "winapi",
 ]
@@ -2217,6 +2431,21 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
 
+[[package]]
+name = "winnow"
+version = "0.5.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c2e3184b9c4e92ad5167ca73039d0c42476302ab603e2fec4487511f38ccefc"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "yansi"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09041cd90cf85f7f8b2df60c646f853b7f535ce68f85244eb6731cf89fa498ec"
+
 [[package]]
 name = "zeroize"
 version = "1.6.0"
@@ -2234,5 +2463,5 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2 1.0.67",
  "quote 1.0.33",
- "syn 2.0.35",
+ "syn 2.0.37",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 11ad75a..9c610ad 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,4 +18,9 @@ thiserror = {version = "1.0.48"}
 async-trait = "0.1.73"
 uuid = { version = "1.4.1", features = ["v4"]}
 futures = "0.3.28"
-nats = "0.24.0"
\ No newline at end of file
+nats = "0.24.0"
+clap = {version = "4.4.4", features = ["derive"]}
+toml_edit = {version = "0.20.0",features = ["serde"]}
+serde = {version = "1.0.88", features = ["derive"]}
+
+pretty_assertions = "1.4.0"
\ No newline at end of file
diff --git a/crates/crunch-cli/Cargo.toml b/crates/crunch-cli/Cargo.toml
new file mode 100644
index 0000000..c442cf0
--- /dev/null
+++ b/crates/crunch-cli/Cargo.toml
@@ -0,0 +1,15 @@
+[package]
+name = "crunch-cli"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+anyhow.workspace = true
+tracing.workspace = true
+tokio.workspace = true
+thiserror.workspace = true
+async-trait.workspace = true
+tracing-subscriber.workspace = true
+clap.workspace = true
diff --git a/crates/crunch-cli/src/main.rs b/crates/crunch-cli/src/main.rs
new file mode 100644
index 0000000..c0164b1
--- /dev/null
+++ b/crates/crunch-cli/src/main.rs
@@ -0,0 +1,78 @@
+use clap::{Args, Parser, Subcommand, ValueEnum};
+use tracing::Level;
+
+#[derive(Parser, Clone)]
+#[command(author, version, about, long_about = None, subcommand_required = true)]
+struct Cli {
+    #[command(subcommand)]
+    commands: Commands,
+
+    #[command(flatten)]
+    global_args: GlobalArgs,
+}
+
+#[derive(Subcommand, Clone)]
+enum Commands {
+    Generate {},
+}
+
+#[derive(Args, Clone)]
+struct GlobalArgs {
+    #[arg(long, default_value = "none", global = true, help_heading = "Global")]
+    log: LogArg,
+
+    #[arg(
+        long,
+        default_value = ".crunch.toml",
+        global = true,
+        help_heading = "Global"
+    )]
+    crunch_file: String,
+}
+
+#[derive(Clone, ValueEnum)]
+enum LogArg {
+    None,
+    Trace,
+    Debug,
+    Info,
+    Warn,
+    Error,
+}
+
+#[tokio::main]
+async fn main() {
+    let cli = Cli::parse();
+    init_logging(&cli.global_args.log);
+
+    match &cli.commands {
+        Commands::Generate {} => {}
+    }
+}
+
+fn init_logging(log: &LogArg) {
+    match log {
+        LogArg::None => {}
+        LogArg::Trace => {
+            tracing_subscriber::fmt()
+                .with_max_level(Level::TRACE)
+                .init();
+        }
+        LogArg::Debug => {
+            tracing_subscriber::fmt()
+                .with_max_level(Level::DEBUG)
+                .init();
+        }
+        LogArg::Info => {
+            tracing_subscriber::fmt().with_max_level(Level::INFO).init();
+        }
+        LogArg::Warn => {
+            tracing_subscriber::fmt().with_max_level(Level::WARN).init();
+        }
+        LogArg::Error => {
+            tracing_subscriber::fmt()
+                .with_max_level(Level::ERROR)
+                .init();
+        }
+    }
+}
diff --git a/crates/crunch-file/Cargo.toml b/crates/crunch-file/Cargo.toml
new file mode 100644
index 0000000..537c0df
--- /dev/null
+++ b/crates/crunch-file/Cargo.toml
@@ -0,0 +1,18 @@
+[package]
+name = "crunch-file"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+crunch-traits.workspace = true
+
+anyhow.workspace = true
+tokio.workspace = true
+async-trait.workspace = true
+toml_edit.workspace = true
+serde.workspace = true
+
+[dev-dependencies]
+pretty_assertions.workspace = true
diff --git a/crates/crunch-file/src/lib.rs b/crates/crunch-file/src/lib.rs
new file mode 100644
index 0000000..bba806f
--- /dev/null
+++ b/crates/crunch-file/src/lib.rs
@@ -0,0 +1,223 @@
+use serde::{Deserialize, Serialize};
+use tokio::io::AsyncWriteExt;
+use toml_edit::{value, Document};
+
+#[derive(Debug)]
+pub struct File {
+    doc: Document,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
+pub struct Config {
+    pub service: Service,
+    pub publish: Option<Vec<Publish>>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
+pub struct Service {
+    pub service: String,
+    pub domain: String,
+    pub codegen: Vec<String>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
+pub struct Publish {
+    #[serde(alias = "schema-path")]
+    pub schema_path: String,
+    #[serde(alias = "output-path")]
+    pub output_path: String,
+}
+
+#[allow(dead_code)]
+impl File {
+    pub async fn parse_file(path: &std::path::Path) -> anyhow::Result<File> {
+        let file = tokio::fs::read_to_string(path).await?;
+
+        Self::parse(&file).await
+    }
+
+    pub async fn parse(content: &str) -> anyhow::Result<File> {
+        let config: Document = content.parse::<Document>()?;
+
+        Ok(File { doc: config })
+    }
+
+    pub async fn write_file(&self, path: &std::path::Path) -> anyhow::Result<()> {
+        let content = self.write().await?;
+        let mut file = tokio::fs::File::create(path).await?;
+
+        file.write_all(content.as_bytes()).await?;
+        file.sync_all().await?;
+
+        Ok(())
+    }
+
+    pub async fn write(&self) -> anyhow::Result<String> {
+        let content = self.doc.to_string();
+
+        Ok(content)
+    }
+
+    pub fn add_publish(&mut self, schema_path: &str, output_path: &str) -> &mut Self {
+        let mut publish = toml_edit::Table::new();
+        publish["schema-path"] = value(schema_path);
+        publish["output-path"] = value(output_path);
+
+        if !self.doc.contains_key("publish") {
+            self.doc["publish"] = toml_edit::array()
+        }
+
+        self.doc["publish"]
+            .as_array_of_tables_mut()
+            .expect("publish to be present and be array of tables [[publish]]")
+            .push(publish);
+
+        self
+    }
+
+    pub fn get_config(&self) -> anyhow::Result<Config> {
+        let content = self.doc.to_string();
+
+        let config: Config = toml_edit::de::from_str(&content)?;
+
+        Ok(config)
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[tokio::test]
+    async fn test_can_write() -> anyhow::Result<()> {
+        let raw = r#"[service]
+service = "my-service"
+domain = "my-domain"
+codegen = ["rust"]
+
+[[publish]]	
+schema-path = "schemas/crunch"
+output-path = "src/crunch"
+"#;
+        let output = File::parse(raw).await?.write().await?;
+
+        pretty_assertions::assert_eq!(output, raw);
+
+        Ok(())
+    }
+
+    #[tokio::test]
+    async fn test_can_add_publish() -> anyhow::Result<()> {
+        let raw = r#"[service]
+service = "my-service"
+domain = "my-domain"
+codegen = ["rust"]
+
+[[publish]]	
+schema-path = "schemas/crunch"
+output-path = "src/crunch"
+"#;
+        let expected = r#"[service]
+service = "my-service"
+domain = "my-domain"
+codegen = ["rust"]
+
+[[publish]]	
+schema-path = "schemas/crunch"
+output-path = "src/crunch"
+
+[[publish]]
+schema-path = "some-schema"
+output-path = "some-output"
+"#;
+        let mut config = File::parse(raw).await?;
+        let config = config.add_publish("some-schema", "some-output");
+        let output = config.write().await?;
+
+        pretty_assertions::assert_eq!(output, expected);
+
+        Ok(())
+    }
+
+    #[tokio::test]
+    async fn test_can_add_publish_if_none() -> anyhow::Result<()> {
+        let raw = r#"[service]
+service = "my-service"
+domain = "my-domain"
+codegen = ["rust"]
+"#;
+        let expected = r#"[service]
+service = "my-service"
+domain = "my-domain"
+codegen = ["rust"]
+
+[[publish]]
+schema-path = "some-schema"
+output-path = "some-output"
+"#;
+        let mut config = File::parse(raw).await?;
+        let config = config.add_publish("some-schema", "some-output");
+        let output = config.write().await?;
+
+        pretty_assertions::assert_eq!(output, expected);
+
+        Ok(())
+    }
+
+    #[tokio::test]
+    async fn test_can_get_config() -> anyhow::Result<()> {
+        let raw = r#"[service]
+service = "my-service"
+domain = "my-domain"
+codegen = ["rust"]
+"#;
+
+        let config = File::parse(raw).await?.get_config()?;
+
+        pretty_assertions::assert_eq!(
+            config,
+            Config {
+                service: Service {
+                    service: "my-service".into(),
+                    domain: "my-domain".into(),
+                    codegen: vec!["rust".into()]
+                },
+                publish: None
+            }
+        );
+
+        Ok(())
+    }
+
+    #[tokio::test]
+    async fn test_can_get_config_publish() -> anyhow::Result<()> {
+        let raw = r#"[service]
+service = "my-service"
+domain = "my-domain"
+codegen = ["rust"]
+
+[[publish]]
+schema-path = "some-schema"
+output-path = "some-output"
+"#;
+
+        let config = File::parse(raw).await?.get_config()?;
+
+        pretty_assertions::assert_eq!(
+            config,
+            Config {
+                service: Service {
+                    service: "my-service".into(),
+                    domain: "my-domain".into(),
+                    codegen: vec!["rust".into()]
+                },
+                publish: Some(vec![Publish {
+                    schema_path: "some-schema".into(),
+                    output_path: "some-output".into()
+                }])
+            }
+        );
+
+        Ok(())
+    }
+}
diff --git a/examples/basic-setup/crunch.toml b/examples/basic-setup/crunch.toml
new file mode 100644
index 0000000..acf21b1
--- /dev/null
+++ b/examples/basic-setup/crunch.toml
@@ -0,0 +1,8 @@
+[service]
+service = "my-service"
+domain = "my-domain"
+codegen = ["rust"]
+
+[[publish]]	
+schema-path = "schemas/crunch"
+output-path = "src/crunch"