diff --git a/heromodels/Cargo.lock b/heromodels/Cargo.lock
index a961675..1892343 100644
--- a/heromodels/Cargo.lock
+++ b/heromodels/Cargo.lock
@@ -2,6 +2,28 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "adapter_macros"
+version = "0.1.0"
+dependencies = [
+ "chrono",
+ "rhai",
+]
+
+[[package]]
+name = "ahash"
+version = "0.8.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a15f179cd60c4584b8a8c596927aadc462e27f2ca70c04e0071964a73ba7a75"
+dependencies = [
+ "cfg-if",
+ "const-random",
+ "getrandom 0.3.3",
+ "once_cell",
+ "version_check",
+ "zerocopy",
+]
+
 [[package]]
 name = "android-tzdata"
 version = "0.1.1"
@@ -17,6 +39,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "arrayvec"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c02d123df017efcdfbd739ef81735b36c5ba83ec3c59c80a9d7ecc718f92e50"
+
 [[package]]
 name = "autocfg"
 version = "1.4.0"
@@ -43,6 +71,12 @@ dependencies = [
  "virtue",
 ]
 
+[[package]]
+name = "bitflags"
+version = "2.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c8214115b7bf84099f1309324e63141d4c5d7cc26862f97a0a857dbefe165bd"
+
 [[package]]
 name = "bumpalo"
 version = "3.17.0"
@@ -79,6 +113,26 @@ dependencies = [
  "windows-link",
 ]
 
+[[package]]
+name = "const-random"
+version = "0.1.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87e00182fe74b066627d63b85fd550ac2998d4b0bd86bfed477a0ae4c7c71359"
+dependencies = [
+ "const-random-macro",
+]
+
+[[package]]
+name = "const-random-macro"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f9d839f2a20b0aee515dc581a6172f2321f96cab76c1a38a4c584a194955390e"
+dependencies = [
+ "getrandom 0.2.15",
+ "once_cell",
+ "tiny-keccak",
+]
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.7"
@@ -94,6 +148,12 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crunchy"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43da5946c66ffcc7745f48db692ffbb10a83bfe0afd96235c5c2a4fb23994929"
+
 [[package]]
 name = "getrandom"
 version = "0.2.15"
@@ -102,19 +162,43 @@ checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26145e563e54f2cadc477553f1ec5ee650b00862f0a58bcd12cbdc5f0ea2d2f4"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi",
+ "wasi 0.14.2+wasi-0.2.4",
+]
+
+[[package]]
+name = "heck"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+
 [[package]]
 name = "heromodels"
 version = "0.1.0"
 dependencies = [
+ "adapter_macros",
  "bincode",
  "chrono",
  "heromodels-derive",
  "heromodels_core",
  "ourdb",
+ "rhai",
+ "rhai_autobind_macros",
+ "rhai_client_macros",
+ "rhai_wrapper",
  "serde",
+ "serde_json",
  "tst",
 ]
 
@@ -159,6 +243,21 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "instant"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0242819d153cba4b4b05a5a8f2a7e9bbf97b6055b2a002b395c96b5ff3c0222"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "itoa"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
+
 [[package]]
 name = "js-sys"
 version = "0.3.77"
@@ -181,6 +280,21 @@ version = "0.4.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13dc2df351e3202783a1fe0d44375f7295ffb4049267b0f3018346dc122a1d94"
 
+[[package]]
+name = "memchr"
+version = "2.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
+
+[[package]]
+name = "no-std-compat"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b93853da6d84c2e3c7d730d6473e8817692dd89be387eb01b94d7f108ecb5b8c"
+dependencies = [
+ "spin",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.19"
@@ -195,6 +309,9 @@ name = "once_cell"
 version = "1.21.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
+dependencies = [
+ "portable-atomic",
+]
 
 [[package]]
 name = "ourdb"
@@ -206,6 +323,12 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "portable-atomic"
+version = "1.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "350e9b48cbc6b0e028b0473b114454c6316e57336ee184ceab6e53f72c178b3e"
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.21"
@@ -233,6 +356,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "r-efi"
+version = "5.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74765f6d916ee2faa39bc8e68e4f3ed8949b48cccdac59983d287a7cb71ce9c5"
+
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -260,7 +389,86 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom",
+ "getrandom 0.2.15",
+]
+
+[[package]]
+name = "rhai"
+version = "1.21.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce4d759a4729a655ddfdbb3ff6e77fb9eadd902dae12319455557796e435d2a6"
+dependencies = [
+ "ahash",
+ "bitflags",
+ "instant",
+ "no-std-compat",
+ "num-traits",
+ "once_cell",
+ "rhai_codegen",
+ "rust_decimal",
+ "smallvec",
+ "smartstring",
+ "thin-vec",
+]
+
+[[package]]
+name = "rhai_autobind_macros"
+version = "0.1.0"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "rhai_client_macros"
+version = "0.1.0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "rhai",
+ "syn",
+]
+
+[[package]]
+name = "rhai_codegen"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5a11a05ee1ce44058fa3d5961d05194fdbe3ad6b40f904af764d81b86450e6b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "rhai_macros_derive"
+version = "0.1.0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "rhai_wrapper"
+version = "0.1.0"
+dependencies = [
+ "chrono",
+ "rhai",
+ "rhai_macros_derive",
+ "serde",
+]
+
+[[package]]
+name = "rust_decimal"
+version = "1.37.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "faa7de2ba56ac291bd90c6b9bece784a52ae1411f9506544b3eae36dd2356d50"
+dependencies = [
+ "arrayvec",
+ "num-traits",
 ]
 
 [[package]]
@@ -269,6 +477,12 @@ version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eded382c5f5f786b989652c49544c4877d9f015cc22e145a5ea8ea66c2921cd2"
 
+[[package]]
+name = "ryu"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
+
 [[package]]
 name = "serde"
 version = "1.0.219"
@@ -289,12 +503,53 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "serde_json"
+version = "1.0.140"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20068b6e96dc6c9bd23e01df8827e6c7e1f2fddd43c21810382803c136b99373"
+dependencies = [
+ "itoa",
+ "memchr",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "shlex"
 version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
 
+[[package]]
+name = "smallvec"
+version = "1.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8917285742e9f3e1683f0a9c4e6b57960b7314d0b08d30d1ecd426713ee2eee9"
+
+[[package]]
+name = "smartstring"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fb72c633efbaa2dd666986505016c32c3044395ceaf881518399d2f4127ee29"
+dependencies = [
+ "autocfg",
+ "static_assertions",
+ "version_check",
+]
+
+[[package]]
+name = "spin"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
+
+[[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
 [[package]]
 name = "syn"
 version = "2.0.100"
@@ -306,6 +561,12 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "thin-vec"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "144f754d318415ac792f9d69fc87abbbfc043ce2ef041c60f16ad828f638717d"
+
 [[package]]
 name = "thiserror"
 version = "1.0.69"
@@ -326,6 +587,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tiny-keccak"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c9d3793400a45f954c52e73d068316d76b6f4e36977e3fcebb13a2721e80237"
+dependencies = [
+ "crunchy",
+]
+
 [[package]]
 name = "tst"
 version = "0.1.0"
@@ -346,6 +616,12 @@ version = "0.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6d49784317cd0d1ee7ec5c716dd598ec5b4483ea832a2dced265471cc0f690ae"
 
+[[package]]
+name = "version_check"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
+
 [[package]]
 name = "virtue"
 version = "0.0.18"
@@ -358,6 +634,15 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasi"
+version = "0.14.2+wasi-0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9683f9a5a998d873c0d21fcbe3c083009670149a8fab228644b8bd36b2c48cb3"
+dependencies = [
+ "wit-bindgen-rt",
+]
+
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.100"
@@ -475,6 +760,15 @@ dependencies = [
  "windows-link",
 ]
 
+[[package]]
+name = "wit-bindgen-rt"
+version = "0.39.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f42320e61fe2cfd34354ecb597f86f413484a798ba44a8ca1165c58d42da6c1"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "zerocopy"
 version = "0.8.24"
diff --git a/heromodels/Cargo.toml b/heromodels/Cargo.toml
index 461e858..f3a6c30 100644
--- a/heromodels/Cargo.toml
+++ b/heromodels/Cargo.toml
@@ -7,9 +7,46 @@ authors = ["Your Name <your.email@example.com>"]
 
 [dependencies]
 serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
 bincode = { version = "2", features = ["serde"] }
 chrono = { version = "0.4", features = ["serde"] }
 ourdb = { path = "../ourdb" }
 tst = { path = "../tst" }
 heromodels-derive = { path = "../heromodels-derive" }
 heromodels_core = { path = "../heromodels_core" }
+rhai_autobind_macros = { path = "../../rhaj/rhai_autobind_macros" }
+rhai_wrapper = { path = "../../rhaj/rhai_wrapper" }
+rhai = { version = "1.21.0", features = ["std", "sync", "decimal"] } # Added "decimal" feature, sync for Arc<Mutex<>>
+adapter_macros = { path = "../adapter_macros" }
+rhai_client_macros = { path = "../rhai_client_macros" }
+
+[dev-dependencies]
+chrono = "0.4"
+
+[[example]]
+name = "calendar_example"
+path = "examples/calendar_example/main.rs"
+
+[[example]]
+name = "governance_proposal_example"
+path = "examples/governance_proposal_example/main.rs"
+
+[[example]]
+name = "finance_example"
+path = "examples/finance_example/main.rs"
+
+[[example]]
+name = "calendar_rhai"
+path = "examples/calendar_rhai/example.rs"
+
+[[example]]
+name = "finance_rhai"
+path = "examples/finance_rhai/example.rs"
+
+[[example]]
+name = "governance_rhai"
+path = "examples/governance_rhai/example.rs"
+
+[[example]]
+name = "governance_rhai_client"
+path = "examples/governance_rhai_client/example.rs"