add bolt agent detection

README.md

@@ -35,6 +35,7 @@ Officially supported coding agents:
 | Name                                                              | ID            | Session ID |
 | ----------------------------------------------------------------- | ------------- | ---------- |
 | [Antigravity](https://antigravity.google/)                        | `antigravity` | ✅         |
+| [Bolt](https://bolt.new/)                                          | `bolt`        | 🚫         |
 | [Claude Code](https://claude.com/claude-code)                     | `claude-code` | ✅         |
 | [Cline](https://cline.bot/)                                       | `cline`       | 🚫         |
 | [Codex](https://developers.openai.com/codex/)                     | `codex`       | ✅         |
@@ -46,6 +47,7 @@ Officially supported coding agents:
 | [Kiro](https://kiro.dev/)                                         | `kiro`        | ✅         |
 | [OpenCode](https://opencode.ai/)                                  | `opencode`    | 🚫         |
 | [Pi](https://github.com/badlogic/pi-mono)                         | `pi`          | 🚫         |
+| [Replit](https://replit.com/)                                      | `replit`      | ✅         |
 
 Detection is data-driven: the exact environment variables and process
 patterns for each agent live in [`src/agents.ts`](src/agents.ts).
@@ -92,7 +94,7 @@ A string containing the agent's session identifier, normalized from
 agent-specific environment variables such as `CODEX_THREAD_ID`,
 `CURSOR_CONVERSATION_ID`, `CLAUDE_CODE_SESSION_ID`,
 `ANTIGRAVITY_TRAJECTORY_ID`, `KIRO_SESSION_ID`, `KILO_RUN_ID`, and
-`COPILOT_AGENT_SESSION_ID`. Omitted when the agent doesn't expose one
+`COPILOT_AGENT_SESSION_ID`, and `REPLIT_SESSION`. Omitted when the agent doesn't expose one
 (see the Session ID column in the support table above).
 
 ### `isRunningFromAgent([options])`

src/agents.ts

@@ -58,11 +58,26 @@ export const defaultAgents = [
     process: [{ pattern: /^antigravity$/i }],
     sessionEnv: ["ANTIGRAVITY_TRAJECTORY_ID"]
   },
+  {
+    id: "bolt",
+    name: "Bolt",
+    env: [
+      { name: "BOLT_ENV" },
+      { name: "BOLT_ORIGIN" },
+      { name: "BOLT_SERVER_URL" }
+    ]
+  },
   {
     id: "pi",
     name: "Pi",
     env: [{ name: "PI_CODING_AGENT", value: "true" }]
   },
+  {
+    id: "replit",
+    name: "Replit",
+    env: [{ name: "REPLIT_SESSION" }],
+    sessionEnv: ["REPLIT_SESSION"]
+  },
   {
     id: "kiro",
     name: "Kiro",

src/types.ts

@@ -1,5 +1,6 @@
 export type AgentId =
   | "antigravity"
+  | "bolt"
   | "cline"
   | "codex"
   | "copilot"
@@ -10,7 +11,8 @@ export type AgentId =
   | "kilocode"
   | "claude-code"
   | "opencode"
-  | "pi";
+  | "pi"
+  | "replit";
 
 export type DetectionStrategyName = "environment" | "process-tree";
 

test/detector.test.mjs

@@ -49,6 +49,37 @@ test("detects kiro and normalizes its session id", () => {
   });
 });
 
+test("detects replit and normalizes its session id", () => {
+  const result = detectAgent({
+    env: {
+      REPLIT_SESSION: "session-123"
+    }
+  });
+
+  assert.equal(result.detected, true);
+  assert.deepEqual(result.agent, {
+    id: "replit",
+    name: "Replit",
+    sessionId: "session-123"
+  });
+});
+
+test("detects bolt from any known environment variable", () => {
+  for (const envName of ["BOLT_ENV", "BOLT_ORIGIN", "BOLT_SERVER_URL"]) {
+    const result = detectAgent({
+      env: {
+        [envName]: "1"
+      }
+    });
+
+    assert.equal(result.detected, true);
+    assert.deepEqual(result.agent, {
+      id: "bolt",
+      name: "Bolt"
+    });
+  }
+});
+
 test("default strategies only use environment variables", () => {
   assert.deepEqual(
     createDefaultStrategies().map((strategy) => strategy.name),