diff --git a/README.md b/README.md
index ade5038..5035d43 100644
--- a/README.md
+++ b/README.md
@@ -171,6 +171,7 @@ Install only what you need:
 | `bedrock` | AWS Bedrock (uses IAM, no API key) | `uv tool install "graphifyy[bedrock]"` |
 | `sql` | SQL schema extraction | `uv tool install "graphifyy[sql]"` |
 | `dm` | BYOND DreamMaker `.dm`/`.dme` AST extraction (may need a C compiler + `python3-dev` if no wheel matches your platform) | `uv tool install "graphifyy[dm]"` |
+| `terraform` | Terraform / HCL `.tf`/`.tfvars`/`.hcl` AST extraction | `uv tool install "graphifyy[terraform]"` |
 | `chinese` | Chinese query segmentation (jieba) | `uv tool install "graphifyy[chinese]"` |
 | `all` | Everything above | `uv tool install "graphifyy[all]"` |
 
@@ -227,7 +228,8 @@ To remove graphify from all platforms at once: `graphify uninstall` (add `--purg
 
 | Type | Extensions |
 |------|-----------|
-| Code (27 tree-sitter grammars) | `.py .ts .js .jsx .tsx .mjs .go .rs .java .c .cpp .h .hpp .rb .cs .kt .scala .php .swift .lua .luau .zig .ps1 .ex .exs .m .mm .jl .vue .svelte .astro .groovy .gradle .dart .v .sv .svh .sql .f .f90 .f95 .f03 .f08 .pas .pp .dpr .dpk .lpr .inc .dfm .lfm .lpk .sh .bash .json .dm .dme .dmi .dmm .dmf .sln .csproj .fsproj .vbproj .razor .cshtml` (`.dm`/`.dme` AST extraction requires `uv tool install graphifyy[dm]`) |
+| Code (27 tree-sitter grammars) | `.py .ts .js .jsx .tsx .mjs .go .rs .java .c .cpp .h .hpp .rb .cs .kt .scala .php .swift .lua .luau .zig .ps1 .ex .exs .m .mm .jl .vue .svelte .astro .groovy .gradle .dart .v .sv .svh .sql .f .f90 .f95 .f03 .f08 .pas .pp .dpr .dpk .lpr .inc .dfm .lfm .lpk .sh .bash .json .dm .dme .dmi .dmm .dmf .sln .csproj .fsproj .vbproj .razor .cshtml` (`.dm`/`.dme` requires `uv tool install graphifyy[dm]`) |
+| Terraform / HCL | `.tf .tfvars .hcl` (requires `uv tool install graphifyy[terraform]`) |
 | MCP configs | `.mcp.json` `mcp.json` `mcp_servers.json` `claude_desktop_config.json` — extracts server nodes, package refs, env var requirements |
 | Docs | `.md .mdx .qmd .html .txt .rst .yaml .yml` |
 | Office | `.docx .xlsx` (requires `uv tool install graphifyy[office]`) |