diff --git a/configs/nvim/coc-settings.json b/configs/nvim/coc-settings.json
index 9fea980..29f3559 100644
--- a/configs/nvim/coc-settings.json
+++ b/configs/nvim/coc-settings.json
@@ -1,3 +1,11 @@
 {
-    "rust-analyzer.checkOnSave.command": "clippy"
+    "rust-analyzer.checkOnSave.command": "clippy",
+    "clangd.path": "~/.config/coc/extensions/coc-clangd-data/install/16.0.2/clangd_16.0.2/bin/clangd",
+    "languageserver": {
+      "uiua": {
+        "command": "uiua",
+        "args": ["lsp"],
+        "filetypes": ["uiua"]
+      }
+    }
 }
diff --git a/configs/nvim/lua/autocmds.lua b/configs/nvim/lua/autocmds.lua
index 4129871..aa9ed8b 100644
--- a/configs/nvim/lua/autocmds.lua
+++ b/configs/nvim/lua/autocmds.lua
@@ -1,3 +1,6 @@
+-- detect filetype
+vim.filetype.add({extension = {ua = "uiua" }})
+
 vim.api.nvim_create_augroup("aprzn", {clear = true})
 vim.api.nvim_create_autocmd("BufWritePost", {
     group = "aprzn",
@@ -28,4 +31,11 @@ vim.api.nvim_create_autocmd("ColorScheme", {
     end
 }) -- save colorscheme
 
+ vim.api.nvim_create_autocmd("BufWritePost", {
+     pattern = "*.ua",
+     callback = function(ev)
+         vim.cmd("silent !uiua fmt " .. vim.fn.expand("<amatch>"))
+     end,
+ }) -- format uiua on save
+
 return false
diff --git a/configs/nvim/lua/nvcfg.lua b/configs/nvim/lua/nvcfg.lua
index e6f57cd..faf5613 100644
--- a/configs/nvim/lua/nvcfg.lua
+++ b/configs/nvim/lua/nvcfg.lua
@@ -25,6 +25,9 @@ vim.o.foldlevelstart = 99
 vim.o.foldenable = true
 require('ufo').setup()
 
+-- vimtex
+vim.g.vimtex_view_general_viewer = 'evince'
+
 -- autoclose
 require('autoclose').setup({})
 
diff --git a/configs/nvim/syntax/uiua.vim b/configs/nvim/syntax/uiua.vim
new file mode 100644
index 0000000..09ecc6f
--- /dev/null
+++ b/configs/nvim/syntax/uiua.vim
@@ -0,0 +1,104 @@
+if exists("b:current_syntax")
+	finish
+endif
+
+let b:current_syntax = "uiua"
+syn iskeyword a-z
+
+syn keyword uiuaIdentifier e os family arch ExeExt DllExt sep
+syn match   uiuaIdentifier '[a-zA-Z]\+'
+
+" {{{ functions and modifiers
+" constants
+syn keyword uiuaNoadic eta pi tau inf[inity] rand[om] tag now
+syn match   uiuaNoadic '[ηπ∞τ⚂]'
+
+" monadic and dyadic pervasive functions
+syn keyword uiuaPervasive not sig[n] abs[olute] sqr[t] sin[e] flo[or] cei[ling] rou[nd] add subtract multiply divide mod[ulus] pow[er] log[arithm] min[imum] max[imum] ata[ngent]
+syn match   uiuaPervasive '[¬±`¯⌵√○⌊⌈⁅]\|!=\|<=\|>=\|[=≠<≤>≥+\-×*÷%◿ⁿₙ↧↥∠]'
+
+" monadic array functions
+syn keyword uiuaMonadic len[gth] sha[pe] rang[e] fir[st] rev[erse] des[hape] bit[s] tra[nspose] ris[e] fal[e] whe[re] cla[ssify] ded[uplicate] box unb[ox] bre[ak] rec[ur] wait call parse gen type sig
+syn match   uiuaMonadic '[⧻△⇡⊢⇌♭⋯⍉⍏⍖⊚⊛⊝□⊔!⎋↬]'
+
+" dyadic array functions
+syn keyword uiuaDyadic joi[n] cou[ple] mat[ch] pic[k] sel[ect] resh[ape] tak[e] dro[p] rot[ate] win[dows] kee[p] fin[d] mem[ber] ind[exof] ass[ert] deal
+syn match   uiuaDyadic '[⊂⊟≅⊡⊏↯↙↘↻◫▽⌕∊⊗⍤]'
+
+" monadic modifiers
+syn keyword uiuaMonadicMod di[p] ga[p] eac[h] row[s] dis[tribute] tab[le] cro[ss] rep[eat] reduce fol[d] scan gro[up] par[tition] inv[ert] bot[h] spawn
+syn match   uiuaMonadicMod '[⊙⋅∵≡∺⊞⊠⍥/∧⊕⊜\\⍘∩]'
+
+" dyadic and triadic modifiers
+syn keyword uiuaOtherMod lev[el] und[er] fil[l] bind bra[cket] for[k] try if
+syn match   uiuaOtherMod /[⍚⍜⬚'⊓⊃⍣?]/
+" }}}
+
+" {{{ system functions
+" defined in inverse order so precedence for e.g.
+" &i and &ime, &s and &sc, etc. is correct
+
+" modules
+syn keyword uiuaModuleSF use
+syn match   uiuaModuleSF '&i'
+
+syn match   uiuaDyadicSF  '\v\&(rs|rb|ru|w|fwa|ime|ae|tcpsrt|tcpswt|httpsw)'
+syn match   uiuaMonadicSF '\v\&(sl|s|pf|p|var|runi|runc|cd|cl|fo|fc|fe|fld|fif|fras|frab|fwa|imd|ims|gife|ad|ap|ast|tcpl|tcpa|tcpc|tcpsnb|tcpaddr)'
+syn match   uiuaNoadicSF  '\v\&(sc|ts|args|asr)'
+" }}}
+
+" {{{ literals
+" numeric literal
+syn match   uiuaNum '[¯`]\?\d\+\(\.\d\+\)\?\(e[¯`]\?\d\+\)\?'
+
+" escape sequence and format placeholder
+syn match   uiuaEsc contained /\\[\\'"_0nrt]/
+syn match   uiuaFmt contained '_'
+
+" character literal
+syn match   uiuaChar '@.' contains=uiuaEsc
+
+" string literal (plain, format, and multiline)
+syn region  uiuaStr start='"' end='"' skip='\\"' contains=uiuaEsc
+syn region  uiuaStr start='\$"' end='"' skip='\\"' contains=uiuaEsc,uiuaFmt
+syn region  uiuaStr start='\$ ' end='$' contains=uiuaEsc,uiuaFmt
+" }}}
+
+" {{{ misc
+" function signatures
+syn match   uiuaSignature '|\d\+\(\.\d\+\)\?'
+
+" scopes, <- assignments, and stranded arrays
+syn match   uiuaFaded '^---$\|[←_]'
+
+" debug functions
+syn keyword uiuaDebug dump
+syn match   uiuaDebug '[~]'
+
+" comments
+syn match   uiuaComment '#.*$'
+" }}}
+
+" {{{ highlight groups
+hi def link uiuaNoadic     Keyword
+hi def link uiuaNoadicSF   Keyword
+hi def link uiuaPervasive  Operator
+hi def link uiuaMonadic    Function
+hi def link uiuaMonadicSF  Function
+hi def link uiuaDyadic     Identifier
+hi def link uiuaDyadicSF   Identifier
+hi def link uiuaMonadicMod Type
+hi def link uiuaOtherMod   Number
+hi def link uiuaModuleSF   Keyword
+
+hi def link uiuaNum        Number
+hi def link uiuaEsc        SpecialChar
+hi def link uiuaChar       String
+hi def link uiuaFmt        Operator
+hi def link uiuaStr        String
+
+hi def link uiuaSignature  Type
+hi def link uiuaDebug      Operator
+hi def link uiuaFaded      Comment
+hi def link uiuaComment    Comment
+" }}}