diff --git a/assets/agents/.sources.json b/assets/agents/.sources.json
index 100af3a2..c21d054e 100644
--- a/assets/agents/.sources.json
+++ b/assets/agents/.sources.json
@@ -34,5 +34,9 @@
   "pi": {
     "url": "custom:shittycodingagent.ai/logo.svg (official Pi logo, converted to PNG with dark background)",
     "ext": "png"
+  },
+  "t3code": {
+    "url": "https://avatars.githubusercontent.com/u/59054278?s=200&v=4",
+    "ext": "png"
   }
 }
diff --git a/assets/agents/t3code.png b/assets/agents/t3code.png
new file mode 100644
index 00000000..bbfd2818
Binary files /dev/null and b/assets/agents/t3code.png differ
diff --git a/manifest.json b/manifest.json
index 441a6d5c..b58bb845 100644
--- a/manifest.json
+++ b/manifest.json
@@ -340,6 +340,43 @@
         "agentic",
         "cursor"
       ]
+    },
+    "t3code": {
+      "name": "T3 Code",
+      "description": "Minimal web GUI for coding agents by Ping.gg — wraps Claude Code and Codex with a browser-based interface",
+      "url": "https://github.com/pingdotgg/t3code",
+      "install": "npm install -g t3",
+      "launch": "t3",
+      "env": {
+        "OPENROUTER_API_KEY": "${OPENROUTER_API_KEY}",
+        "ANTHROPIC_BASE_URL": "https://openrouter.ai/api",
+        "ANTHROPIC_API_KEY": "${OPENROUTER_API_KEY}",
+        "OPENAI_API_KEY": "${OPENROUTER_API_KEY}",
+        "OPENAI_BASE_URL": "https://openrouter.ai/api/v1"
+      },
+      "notes": "Web GUI that spawns Claude Code and Codex as subprocesses via node-pty. OpenRouter integration works through inherited env vars on the child agent processes. Requires Node.js 22+. Default port 3773.",
+      "icon": "https://raw.githubusercontent.com/OpenRouterTeam/spawn/main/assets/agents/t3code.png",
+      "featured_cloud": [
+        "digitalocean",
+        "sprite"
+      ],
+      "creator": "Ping.gg",
+      "repo": "pingdotgg/t3code",
+      "license": "MIT",
+      "created": "2025-06",
+      "added": "2026-04",
+      "github_stars": 9500,
+      "stars_updated": "2026-04-18",
+      "language": "TypeScript",
+      "runtime": "node",
+      "category": "gui",
+      "tagline": "Minimal web GUI for coding agents — browse, code, and ship via Claude or Codex",
+      "tags": [
+        "coding",
+        "web-gui",
+        "wrapper",
+        "pinggg"
+      ]
     }
   },
   "clouds": {
@@ -518,6 +555,13 @@
     "digitalocean/cursor": "implemented",
     "gcp/cursor": "implemented",
     "daytona/cursor": "implemented",
-    "sprite/cursor": "implemented"
+    "sprite/cursor": "implemented",
+    "local/t3code": "implemented",
+    "hetzner/t3code": "implemented",
+    "aws/t3code": "implemented",
+    "digitalocean/t3code": "implemented",
+    "gcp/t3code": "implemented",
+    "daytona/t3code": "implemented",
+    "sprite/t3code": "implemented"
   }
 }
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 9d9978a7..8fb6035a 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@openrouter/spawn",
-  "version": "1.0.16",
+  "version": "1.0.17",
   "type": "module",
   "bin": {
     "spawn": "cli.js"
diff --git a/packages/cli/src/__tests__/manifest-type-contracts.test.ts b/packages/cli/src/__tests__/manifest-type-contracts.test.ts
index b0b0a96c..6011bf13 100644
--- a/packages/cli/src/__tests__/manifest-type-contracts.test.ts
+++ b/packages/cli/src/__tests__/manifest-type-contracts.test.ts
@@ -361,6 +361,7 @@ describe("Agent metadata field types", () => {
         [
           "cli",
           "tui",
+          "gui",
           "ide-extension",
         ],
         `agent "${key}" category value`,
diff --git a/packages/cli/src/shared/agent-setup.ts b/packages/cli/src/shared/agent-setup.ts
index f2ebff21..50eb8d8d 100644
--- a/packages/cli/src/shared/agent-setup.ts
+++ b/packages/cli/src/shared/agent-setup.ts
@@ -1399,6 +1399,34 @@ function createAgents(runner: CloudRunner): Record<string, AgentConfig> {
       updateCmd: `${NPM_AUTO_UPDATE_SETUP} && ` + "npm install -g $_NPM_G_FLAGS @mariozechner/pi-coding-agent@latest",
     },
 
+    t3code: {
+      name: "T3 Code",
+      cloudInitTier: "node" satisfies AgentConfig["cloudInitTier"],
+      preProvision: detectGithubAuth,
+      install: () =>
+        installAgent(
+          runner,
+          "T3 Code",
+          `${NPM_PREFIX_SETUP} && npm install -g \${_NPM_G_FLAGS} t3 && ${NPM_GLOBAL_PATH_PERSIST}`,
+        ),
+      envVars: (apiKey) => [
+        `OPENROUTER_API_KEY=${apiKey}`,
+        `ANTHROPIC_API_KEY=${apiKey}`,
+        "ANTHROPIC_BASE_URL=https://openrouter.ai/api",
+        `OPENAI_API_KEY=${apiKey}`,
+        "OPENAI_BASE_URL=https://openrouter.ai/api/v1",
+      ],
+      preLaunchMsg: "T3 Code web GUI will open automatically — use it to interact with Claude Code and Codex agents.",
+      launchCmd: () =>
+        "source ~/.spawnrc 2>/dev/null; source ~/.zshrc 2>/dev/null; t3 --port 3773 --host 0.0.0.0 --no-browser",
+      tunnel: {
+        remotePort: 3773,
+        browserUrl: (localPort: number) => `http://localhost:${localPort}`,
+      },
+      updateCmd:
+        'export PATH="$HOME/.npm-global/bin:$HOME/.bun/bin:$PATH"; ' + "npm install -g ${_NPM_G_FLAGS:-} t3@latest",
+    },
+
     cursor: {
       name: "Cursor CLI",
       cloudInitTier: "bun",
diff --git a/sh/aws/README.md b/sh/aws/README.md
index 357d2150..f9052d88 100644
--- a/sh/aws/README.md
+++ b/sh/aws/README.md
@@ -66,6 +66,12 @@ bash <(curl -fsSL https://openrouter.ai/labs/spawn/aws/cursor.sh)
 bash <(curl -fsSL https://openrouter.ai/labs/spawn/aws/pi.sh)
 ```
 
+#### T3 Code
+
+```bash
+bash <(curl -fsSL https://openrouter.ai/labs/spawn/aws/t3code.sh)
+```
+
 ## Non-Interactive Mode
 
 ```bash
diff --git a/sh/aws/t3code.sh b/sh/aws/t3code.sh
new file mode 100644
index 00000000..7b7555e9
--- /dev/null
+++ b/sh/aws/t3code.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+set -eo pipefail
+
+# Thin shim: ensures bun is available, runs bundled aws.js (local or from GitHub release)
+
+_ensure_bun() {
+    if command -v bun &>/dev/null; then return 0; fi
+    printf '\033[0;36mInstalling bun...\033[0m\n' >&2
+    curl -fsSL --proto '=https' --show-error https://bun.sh/install?version=1.3.9 | bash >/dev/null || { printf '\033[0;31mFailed to install bun\033[0m\n' >&2; exit 1; }
+    export PATH="$HOME/.bun/bin:$PATH"
+    command -v bun &>/dev/null || { printf '\033[0;31mbun not found after install\033[0m\n' >&2; exit 1; }
+}
+
+_ensure_bun
+
+# SPAWN_CLI_DIR override — force local source (used by e2e tests)
+if [[ -n "${SPAWN_CLI_DIR:-}" && -f "$SPAWN_CLI_DIR/packages/cli/src/aws/main.ts" ]]; then
+    exec bun run "$SPAWN_CLI_DIR/packages/cli/src/aws/main.ts" t3code "$@"
+fi
+
+# Remote — download and run compiled TypeScript bundle
+AWS_JS=$(mktemp)
+trap 'rm -f "$AWS_JS"' EXIT
+curl -fsSL --proto '=https' "https://github.com/OpenRouterTeam/spawn/releases/download/aws-latest/aws.js" -o "$AWS_JS" \
+    || { printf '\033[0;31mFailed to download aws.js\033[0m\n' >&2; exit 1; }
+exec bun run "$AWS_JS" t3code "$@"
diff --git a/sh/daytona/README.md b/sh/daytona/README.md
index 59496345..1fef04c9 100644
--- a/sh/daytona/README.md
+++ b/sh/daytona/README.md
@@ -60,6 +60,12 @@ bash <(curl -fsSL https://openrouter.ai/labs/spawn/daytona/cursor.sh)
 bash <(curl -fsSL https://openrouter.ai/labs/spawn/daytona/pi.sh)
 ```
 
+#### T3 Code
+
+```bash
+bash <(curl -fsSL https://openrouter.ai/labs/spawn/daytona/t3code.sh)
+```
+
 ## Non-Interactive Mode
 
 ```bash
diff --git a/sh/daytona/t3code.sh b/sh/daytona/t3code.sh
new file mode 100644
index 00000000..1c635a91
--- /dev/null
+++ b/sh/daytona/t3code.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+set -eo pipefail
+
+# Thin shim: ensures bun is available, runs bundled daytona.js (local or from GitHub release)
+
+_ensure_bun() {
+    if command -v bun &>/dev/null; then return 0; fi
+    printf '\033[0;36mInstalling bun...\033[0m\n' >&2
+    curl -fsSL --proto '=https' --show-error https://bun.sh/install?version=1.3.9 | bash >/dev/null || { printf '\033[0;31mFailed to install bun\033[0m\n' >&2; exit 1; }
+    export PATH="$HOME/.bun/bin:$PATH"
+    command -v bun &>/dev/null || { printf '\033[0;31mbun not found after install\033[0m\n' >&2; exit 1; }
+}
+
+_ensure_bun
+
+# SPAWN_CLI_DIR override — force local source (used by e2e tests)
+if [[ -n "${SPAWN_CLI_DIR:-}" && -f "$SPAWN_CLI_DIR/packages/cli/src/daytona/main.ts" ]]; then
+    exec bun run "$SPAWN_CLI_DIR/packages/cli/src/daytona/main.ts" t3code "$@"
+fi
+
+# Remote — download bundled daytona.js from GitHub release
+DAYTONA_JS=$(mktemp)
+trap 'rm -f "$DAYTONA_JS"' EXIT
+curl -fsSL --proto '=https' "https://github.com/OpenRouterTeam/spawn/releases/download/daytona-latest/daytona.js" -o "$DAYTONA_JS" \
+    || { printf '\033[0;31mFailed to download daytona.js\033[0m\n' >&2; exit 1; }
+
+exec bun run "$DAYTONA_JS" t3code "$@"
diff --git a/sh/digitalocean/README.md b/sh/digitalocean/README.md
index 6a25aa35..12197b44 100644
--- a/sh/digitalocean/README.md
+++ b/sh/digitalocean/README.md
@@ -58,6 +58,12 @@ bash <(curl -fsSL https://openrouter.ai/labs/spawn/digitalocean/cursor.sh)
 bash <(curl -fsSL https://openrouter.ai/labs/spawn/digitalocean/pi.sh)
 ```
 
+#### T3 Code
+
+```bash
+bash <(curl -fsSL https://openrouter.ai/labs/spawn/digitalocean/t3code.sh)
+```
+
 ## Environment Variables
 
 | Variable | Description | Default |
diff --git a/sh/digitalocean/t3code.sh b/sh/digitalocean/t3code.sh
new file mode 100644
index 00000000..98daa064
--- /dev/null
+++ b/sh/digitalocean/t3code.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+set -eo pipefail
+
+# Thin shim: ensures bun is available, runs bundled digitalocean.js (local or from GitHub release)
+
+_ensure_bun() {
+    if command -v bun &>/dev/null; then return 0; fi
+    printf '\033[0;36mInstalling bun...\033[0m\n' >&2
+    curl -fsSL --proto '=https' --show-error https://bun.sh/install?version=1.3.9 | bash >/dev/null || { printf '\033[0;31mFailed to install bun\033[0m\n' >&2; exit 1; }
+    export PATH="$HOME/.bun/bin:$PATH"
+    command -v bun &>/dev/null || { printf '\033[0;31mbun not found after install\033[0m\n' >&2; exit 1; }
+}
+
+_ensure_bun
+
+# SPAWN_CLI_DIR override — force local source (used by e2e tests)
+if [[ -n "${SPAWN_CLI_DIR:-}" && -f "$SPAWN_CLI_DIR/packages/cli/src/digitalocean/main.ts" ]]; then
+    exec bun run "$SPAWN_CLI_DIR/packages/cli/src/digitalocean/main.ts" t3code "$@"
+fi
+
+# Remote — download and run compiled TypeScript bundle
+DO_JS=$(mktemp)
+trap 'rm -f "$DO_JS"' EXIT
+curl -fsSL --proto '=https' "https://github.com/OpenRouterTeam/spawn/releases/download/digitalocean-latest/digitalocean.js" -o "$DO_JS" \
+    || { printf '\033[0;31mFailed to download digitalocean.js\033[0m\n' >&2; exit 1; }
+exec bun run "$DO_JS" t3code "$@"
diff --git a/sh/gcp/README.md b/sh/gcp/README.md
index 81276cbe..0f9adb33 100644
--- a/sh/gcp/README.md
+++ b/sh/gcp/README.md
@@ -60,6 +60,12 @@ bash <(curl -fsSL https://openrouter.ai/labs/spawn/gcp/cursor.sh)
 bash <(curl -fsSL https://openrouter.ai/labs/spawn/gcp/pi.sh)
 ```
 
+#### T3 Code
+
+```bash
+bash <(curl -fsSL https://openrouter.ai/labs/spawn/gcp/t3code.sh)
+```
+
 ## Non-Interactive Mode
 
 ```bash
diff --git a/sh/gcp/t3code.sh b/sh/gcp/t3code.sh
new file mode 100644
index 00000000..2ace3cea
--- /dev/null
+++ b/sh/gcp/t3code.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+set -eo pipefail
+
+# Thin shim: ensures bun is available, runs bundled gcp.js (local or from GitHub release)
+
+_ensure_bun() {
+    if command -v bun &>/dev/null; then return 0; fi
+    printf '\033[0;36mInstalling bun...\033[0m\n' >&2
+    curl -fsSL --proto '=https' --show-error https://bun.sh/install?version=1.3.9 | bash >/dev/null || { printf '\033[0;31mFailed to install bun\033[0m\n' >&2; exit 1; }
+    export PATH="$HOME/.bun/bin:$PATH"
+    command -v bun &>/dev/null || { printf '\033[0;31mbun not found after install\033[0m\n' >&2; exit 1; }
+}
+
+_ensure_bun
+
+# SPAWN_CLI_DIR override — force local source (used by e2e tests)
+if [[ -n "${SPAWN_CLI_DIR:-}" && -f "$SPAWN_CLI_DIR/packages/cli/src/gcp/main.ts" ]]; then
+    exec bun run "$SPAWN_CLI_DIR/packages/cli/src/gcp/main.ts" t3code "$@"
+fi
+
+# Remote — download and run compiled TypeScript bundle
+GCP_JS=$(mktemp)
+trap 'rm -f "$GCP_JS"' EXIT
+curl -fsSL --proto '=https' "https://github.com/OpenRouterTeam/spawn/releases/download/gcp-latest/gcp.js" -o "$GCP_JS" \
+    || { printf '\033[0;31mFailed to download gcp.js\033[0m\n' >&2; exit 1; }
+exec bun run "$GCP_JS" t3code "$@"
diff --git a/sh/hetzner/README.md b/sh/hetzner/README.md
index 6b125c30..7241aeec 100644
--- a/sh/hetzner/README.md
+++ b/sh/hetzner/README.md
@@ -58,6 +58,12 @@ bash <(curl -fsSL https://openrouter.ai/labs/spawn/hetzner/cursor.sh)
 bash <(curl -fsSL https://openrouter.ai/labs/spawn/hetzner/pi.sh)
 ```
 
+#### T3 Code
+
+```bash
+bash <(curl -fsSL https://openrouter.ai/labs/spawn/hetzner/t3code.sh)
+```
+
 ## Non-Interactive Mode
 
 ```bash
diff --git a/sh/hetzner/t3code.sh b/sh/hetzner/t3code.sh
new file mode 100644
index 00000000..8642f958
--- /dev/null
+++ b/sh/hetzner/t3code.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+set -eo pipefail
+
+# Thin shim: ensures bun is available, runs bundled hetzner.js (local or from GitHub release)
+
+_ensure_bun() {
+    if command -v bun &>/dev/null; then return 0; fi
+    printf '\033[0;36mInstalling bun...\033[0m\n' >&2
+    curl -fsSL --proto '=https' --show-error https://bun.sh/install?version=1.3.9 | bash >/dev/null || { printf '\033[0;31mFailed to install bun\033[0m\n' >&2; exit 1; }
+    export PATH="$HOME/.bun/bin:$PATH"
+    command -v bun &>/dev/null || { printf '\033[0;31mbun not found after install\033[0m\n' >&2; exit 1; }
+}
+
+_ensure_bun
+
+# SPAWN_CLI_DIR override — force local source (used by e2e tests)
+if [[ -n "${SPAWN_CLI_DIR:-}" && -f "$SPAWN_CLI_DIR/packages/cli/src/hetzner/main.ts" ]]; then
+    exec bun run "$SPAWN_CLI_DIR/packages/cli/src/hetzner/main.ts" t3code "$@"
+fi
+
+# Remote — download and run compiled TypeScript bundle
+HETZNER_JS=$(mktemp)
+trap 'rm -f "$HETZNER_JS"' EXIT
+curl -fsSL --proto '=https' "https://github.com/OpenRouterTeam/spawn/releases/download/hetzner-latest/hetzner.js" -o "$HETZNER_JS" \
+    || { printf '\033[0;31mFailed to download hetzner.js\033[0m\n' >&2; exit 1; }
+exec bun run "$HETZNER_JS" t3code "$@"
diff --git a/sh/local/README.md b/sh/local/README.md
index 007f13d3..e731ffab 100644
--- a/sh/local/README.md
+++ b/sh/local/README.md
@@ -18,6 +18,7 @@ spawn hermes local
 spawn junie local
 spawn cursor local
 spawn pi local
+spawn t3code local
 ```
 
 Or run directly without the CLI:
@@ -32,6 +33,7 @@ bash <(curl -fsSL https://openrouter.ai/labs/spawn/local/hermes.sh)
 bash <(curl -fsSL https://openrouter.ai/labs/spawn/local/junie.sh)
 bash <(curl -fsSL https://openrouter.ai/labs/spawn/local/cursor.sh)
 bash <(curl -fsSL https://openrouter.ai/labs/spawn/local/pi.sh)
+bash <(curl -fsSL https://openrouter.ai/labs/spawn/local/t3code.sh)
 ```
 
 ## Non-Interactive Mode
diff --git a/sh/local/t3code.sh b/sh/local/t3code.sh
new file mode 100644
index 00000000..f6e55464
--- /dev/null
+++ b/sh/local/t3code.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+set -eo pipefail
+
+# Thin shim: ensures bun is available, runs bundled local.js (local or from GitHub release)
+
+_ensure_bun() {
+    if command -v bun &>/dev/null; then return 0; fi
+    printf '\033[0;36mInstalling bun...\033[0m\n' >&2
+    curl -fsSL --proto '=https' --show-error https://bun.sh/install?version=1.3.9 | bash >/dev/null || { printf '\033[0;31mFailed to install bun\033[0m\n' >&2; exit 1; }
+    export PATH="$HOME/.bun/bin:$PATH"
+    command -v bun &>/dev/null || { printf '\033[0;31mbun not found after install\033[0m\n' >&2; exit 1; }
+}
+
+_ensure_bun
+
+# SPAWN_CLI_DIR override — force local source (used by e2e tests)
+if [[ -n "${SPAWN_CLI_DIR:-}" && -f "$SPAWN_CLI_DIR/packages/cli/src/local/main.ts" ]]; then
+    exec bun run "$SPAWN_CLI_DIR/packages/cli/src/local/main.ts" t3code "$@"
+fi
+
+# Remote — download bundled local.js from GitHub release
+LOCAL_JS=$(mktemp)
+trap 'rm -f "$LOCAL_JS"' EXIT
+curl -fsSL --proto '=https' "https://github.com/OpenRouterTeam/spawn/releases/download/local-latest/local.js" -o "$LOCAL_JS" \
+    || { printf '\033[0;31mFailed to download local.js\033[0m\n' >&2; exit 1; }
+
+exec bun run "$LOCAL_JS" t3code "$@"
diff --git a/sh/sprite/README.md b/sh/sprite/README.md
index eaa4a837..9512eae1 100644
--- a/sh/sprite/README.md
+++ b/sh/sprite/README.md
@@ -58,6 +58,12 @@ bash <(curl -fsSL https://openrouter.ai/labs/spawn/sprite/cursor.sh)
 bash <(curl -fsSL https://openrouter.ai/labs/spawn/sprite/pi.sh)
 ```
 
+#### T3 Code
+
+```bash
+bash <(curl -fsSL https://openrouter.ai/labs/spawn/sprite/t3code.sh)
+```
+
 ## Non-Interactive Mode
 
 ```bash
diff --git a/sh/sprite/t3code.sh b/sh/sprite/t3code.sh
new file mode 100644
index 00000000..21b69a99
--- /dev/null
+++ b/sh/sprite/t3code.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+set -eo pipefail
+
+# Thin shim: ensures bun is available, runs bundled sprite.js (local or from GitHub release)
+
+_ensure_bun() {
+    if command -v bun &>/dev/null; then return 0; fi
+    printf '\033[0;36mInstalling bun...\033[0m\n' >&2
+    curl -fsSL --proto '=https' --show-error https://bun.sh/install?version=1.3.9 | bash >/dev/null || { printf '\033[0;31mFailed to install bun\033[0m\n' >&2; exit 1; }
+    export PATH="$HOME/.bun/bin:$PATH"
+    command -v bun &>/dev/null || { printf '\033[0;31mbun not found after install\033[0m\n' >&2; exit 1; }
+}
+
+_ensure_bun
+
+# SPAWN_CLI_DIR override — force local source (used by e2e tests)
+if [[ -n "${SPAWN_CLI_DIR:-}" && -f "$SPAWN_CLI_DIR/packages/cli/src/sprite/main.ts" ]]; then
+    exec bun run "$SPAWN_CLI_DIR/packages/cli/src/sprite/main.ts" t3code "$@"
+fi
+
+# Remote — download and run compiled TypeScript bundle
+SPRITE_JS=$(mktemp)
+trap 'rm -f "$SPRITE_JS"' EXIT
+curl -fsSL --proto '=https' "https://github.com/OpenRouterTeam/spawn/releases/download/sprite-latest/sprite.js" -o "$SPRITE_JS" \
+    || { printf '\033[0;31mFailed to download sprite.js\033[0m\n' >&2; exit 1; }
+exec bun run "$SPRITE_JS" t3code "$@"