Update to claude-agent-sdk 0.1.57 (#191)

## Summary

Follow-up to #121. The same issue (invalid locations when `file_path` is
undefined) existed in the `Read` tool case as well.

## Problem

The ACP spec requires `path` as a required field in `ToolCallLocation`.
PR #121 fixed this for `mcp__acp__Read`, but the same issue remained for
the `Read` tool case.

When Claude generates a Read tool call without `file_path`, the current
code produces an invalid notification:

```json
{
  "locations": [
    {
      "line": 0
    }
  ]
}
```

This causes the following error in the client:

```
Error handling notification
{code: -32602, message: 'Invalid params', data: {…}}
```

## Solution

Return an empty `locations` array when `input.file_path` is undefined,
consistent with the fix in #121.

CHANGELOG.md

@@ -1,5 +1,14 @@
 # Changelog
 
+## 0.11.0
+
+- Update to @anthropic-ai/claude-agent-sdk@v0.1.57
+- Removed dependency on @anthropic-ai/claude-code since this is no longer needed
+
+## 0.10.10
+
+- Update to @agentclientprotocol/sdk@0.7.0
+
 ## 0.10.9
 
 - Update to @anthropic-ai/claude-agent-sdk@v0.1.55

package-lock.json

@@ -1,18 +1,17 @@
 {
   "name": "@zed-industries/claude-code-acp",
-  "version": "0.10.9",
+  "version": "0.11.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@zed-industries/claude-code-acp",
-      "version": "0.10.9",
+      "version": "0.11.0",
       "license": "Apache-2.0",
       "dependencies": {
-        "@agentclientprotocol/sdk": "0.5.1",
-        "@anthropic-ai/claude-agent-sdk": "0.1.55",
-        "@anthropic-ai/claude-code": "2.0.55",
-        "@modelcontextprotocol/sdk": "1.23.0",
+        "@agentclientprotocol/sdk": "0.7.0",
+        "@anthropic-ai/claude-agent-sdk": "0.1.57",
+        "@modelcontextprotocol/sdk": "1.24.1",
         "diff": "8.0.2",
         "uuid": "13.0.0"
       },
@@ -23,30 +22,30 @@
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         "@types/node": "24.10.1",
         "@types/uuid": "10.0.0",
-        "@typescript-eslint/eslint-plugin": "8.48.0",
-        "@typescript-eslint/parser": "8.48.0",
+        "@typescript-eslint/eslint-plugin": "8.48.1",
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         "eslint": "9.39.1",
         "eslint-config-prettier": "10.1.8",
         "globals": "16.5.0",
-        "prettier": "3.7.1",
+        "prettier": "3.7.4",
         "ts-node": "10.9.2",
         "typescript": "5.9.3",
-        "vitest": "4.0.14"
+        "vitest": "4.0.15"
       }
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+      "resolved": "https://registry.npmjs.org/@agentclientprotocol/sdk/-/sdk-0.7.0.tgz",
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       "license": "Apache-2.0",
-      "dependencies": {
-        "zod": "^3.0.0"
+      "peerDependencies": {
+        "zod": "^3.25.0 || ^4.0.0"
       }
     },
     "node_modules/@anthropic-ai/claude-agent-sdk": {
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+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk/-/claude-agent-sdk-0.1.57.tgz",
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       "license": "SEE LICENSE IN README.md",
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@@ -65,28 +64,6 @@
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-      "license": "SEE LICENSE IN README.md",
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-      },
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@@ -668,9 +645,9 @@
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@@ -1165,9 +1142,9 @@
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+      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.24.1.tgz",
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@@ -1179,6 +1156,7 @@
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+        "jose": "^6.1.1",
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-        "@typescript-eslint/visitor-keys": "8.48.0",
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         "@standard-schema/spec": "^1.0.0",
         "@types/chai": "^5.2.2",
-        "@vitest/spy": "4.0.14",
-        "@vitest/utils": "4.0.14",
+        "@vitest/spy": "4.0.15",
+        "@vitest/utils": "4.0.15",
         "chai": "^6.2.1",
         "tinyrainbow": "^3.0.3"
       },
@@ -1847,13 +1825,13 @@
       }
     },
     "node_modules/@vitest/mocker": {
-      "version": "4.0.14",
-      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-4.0.14.tgz",
-      "integrity": "sha512-RzS5NujlCzeRPF1MK7MXLiEFpkIXeMdQ+rN3Kk3tDI9j0mtbr7Nmuq67tpkOJQpgyClbOltCXMjLZicJHsH5Cg==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-4.0.15.tgz",
+      "integrity": "sha512-CZ28GLfOEIFkvCFngN8Sfx5h+Se0zN+h4B7yOsPVCcgtiO7t5jt9xQh2E1UkFep+eb9fjyMfuC5gBypwb07fvQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/spy": "4.0.14",
+        "@vitest/spy": "4.0.15",
         "estree-walker": "^3.0.3",
         "magic-string": "^0.30.21"
       },
@@ -1874,9 +1852,9 @@
       }
     },
     "node_modules/@vitest/pretty-format": {
-      "version": "4.0.14",
-      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.0.14.tgz",
-      "integrity": "sha512-SOYPgujB6TITcJxgd3wmsLl+wZv+fy3av2PpiPpsWPZ6J1ySUYfScfpIt2Yv56ShJXR2MOA6q2KjKHN4EpdyRQ==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.0.15.tgz",
+      "integrity": "sha512-SWdqR8vEv83WtZcrfLNqlqeQXlQLh2iilO1Wk1gv4eiHKjEzvgHb2OVc3mIPyhZE6F+CtfYjNlDJwP5MN6Km7A==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -1887,13 +1865,13 @@
       }
     },
     "node_modules/@vitest/runner": {
-      "version": "4.0.14",
-      "resolved": "https://registry.npmjs.org/@vitest/runner/-/runner-4.0.14.tgz",
-      "integrity": "sha512-BsAIk3FAqxICqREbX8SetIteT8PiaUL/tgJjmhxJhCsigmzzH8xeadtp7LRnTpCVzvf0ib9BgAfKJHuhNllKLw==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/runner/-/runner-4.0.15.tgz",
+      "integrity": "sha512-+A+yMY8dGixUhHmNdPUxOh0la6uVzun86vAbuMT3hIDxMrAOmn5ILBHm8ajrqHE0t8R9T1dGnde1A5DTnmi3qw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/utils": "4.0.14",
+        "@vitest/utils": "4.0.15",
         "pathe": "^2.0.3"
       },
       "funding": {
@@ -1901,13 +1879,13 @@
       }
     },
     "node_modules/@vitest/snapshot": {
-      "version": "4.0.14",
-      "resolved": "https://registry.npmjs.org/@vitest/snapshot/-/snapshot-4.0.14.tgz",
-      "integrity": "sha512-aQVBfT1PMzDSA16Y3Fp45a0q8nKexx6N5Amw3MX55BeTeZpoC08fGqEZqVmPcqN0ueZsuUQ9rriPMhZ3Mu19Ag==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/snapshot/-/snapshot-4.0.15.tgz",
+      "integrity": "sha512-A7Ob8EdFZJIBjLjeO0DZF4lqR6U7Ydi5/5LIZ0xcI+23lYlsYJAfGn8PrIWTYdZQRNnSRlzhg0zyGu37mVdy5g==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/pretty-format": "4.0.14",
+        "@vitest/pretty-format": "4.0.15",
         "magic-string": "^0.30.21",
         "pathe": "^2.0.3"
       },
@@ -1916,9 +1894,9 @@
       }
     },
     "node_modules/@vitest/spy": {
-      "version": "4.0.14",
-      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-4.0.14.tgz",
-      "integrity": "sha512-JmAZT1UtZooO0tpY3GRyiC/8W7dCs05UOq9rfsUUgEZEdq+DuHLmWhPsrTt0TiW7WYeL/hXpaE07AZ2RCk44hg==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-4.0.15.tgz",
+      "integrity": "sha512-+EIjOJmnY6mIfdXtE/bnozKEvTC4Uczg19yeZ2vtCz5Yyb0QQ31QWVQ8hswJ3Ysx/K2EqaNsVanjr//2+P3FHw==",
       "dev": true,
       "license": "MIT",
       "funding": {
@@ -1926,13 +1904,13 @@
       }
     },
     "node_modules/@vitest/utils": {
-      "version": "4.0.14",
-      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-4.0.14.tgz",
-      "integrity": "sha512-hLqXZKAWNg8pI+SQXyXxWCTOpA3MvsqcbVeNgSi8x/CSN2wi26dSzn1wrOhmCmFjEvN9p8/kLFRHa6PI8jHazw==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-4.0.15.tgz",
+      "integrity": "sha512-HXjPW2w5dxhTD0dLwtYHDnelK3j8sR8cWIaLxr22evTyY6q8pRCjZSmhRWVjBaOVXChQd6AwMzi9pucorXCPZA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/pretty-format": "4.0.14",
+        "@vitest/pretty-format": "4.0.15",
         "tinyrainbow": "^3.0.3"
       },
       "funding": {
@@ -2754,19 +2732,20 @@
       }
     },
     "node_modules/express": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/express/-/express-5.1.0.tgz",
-      "integrity": "sha512-DT9ck5YIRU+8GYzzU5kT3eHGA5iL+1Zd0EutOmTE9Dtk+Tvuzd23VBU+ec7HPNSTxXYO55gPV/hq4pSBJDjFpA==",
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/express/-/express-5.2.1.tgz",
+      "integrity": "sha512-hIS4idWWai69NezIdRt2xFVofaF4j+6INOpJlVOLDO8zXGpUVEVzIYk12UUi2JzjEzWL3IOAxcTubgz9Po0yXw==",
       "license": "MIT",
       "peer": true,
       "dependencies": {
         "accepts": "^2.0.0",
-        "body-parser": "^2.2.0",
+        "body-parser": "^2.2.1",
         "content-disposition": "^1.0.0",
         "content-type": "^1.0.5",
         "cookie": "^0.7.1",
         "cookie-signature": "^1.2.1",
         "debug": "^4.4.0",
+        "depd": "^2.0.0",
         "encodeurl": "^2.0.0",
         "escape-html": "^1.0.3",
         "etag": "^1.8.1",
@@ -2879,9 +2858,9 @@
       }
     },
     "node_modules/finalhandler": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-2.1.0.tgz",
-      "integrity": "sha512-/t88Ty3d5JWQbWYgaOGCCYfXRwV1+be02WqYYlL6h0lEiUAMPM8o8qKGO01YIkOHzka2up08wvgYD0mDiI+q3Q==",
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-2.1.1.tgz",
+      "integrity": "sha512-S8KoZgRZN+a5rNwqTxlZZePjT/4cnm0ROV70LedRHZ0p8u9fRID0hJUZQpkKLzro8LfmC8sx23bY6tVNxv8pQA==",
       "license": "MIT",
       "dependencies": {
         "debug": "^4.4.0",
@@ -2892,7 +2871,11 @@
         "statuses": "^2.0.1"
       },
       "engines": {
-        "node": ">= 0.8"
+        "node": ">= 18.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
       }
     },
     "node_modules/find-up": {
@@ -3214,6 +3197,15 @@
       "integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==",
       "license": "ISC"
     },
+    "node_modules/jose": {
+      "version": "6.1.3",
+      "resolved": "https://registry.npmjs.org/jose/-/jose-6.1.3.tgz",
+      "integrity": "sha512-0TpaTfihd4QMNwrz/ob2Bp7X04yuxJkjRGi4aKmOqwhov54i6u79oCv7T+C7lo70MKH6BesI3vscD1yb/yzKXQ==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/panva"
+      }
+    },
     "node_modules/js-yaml": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
@@ -3668,9 +3660,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.7.1",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.7.1.tgz",
-      "integrity": "sha512-RWKXE4qB3u5Z6yz7omJkjWwmTfLdcbv44jUVHC5NpfXwFGzvpQM798FGv/6WNK879tc+Cn0AAyherCl1KjbyZQ==",
+      "version": "3.7.4",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.7.4.tgz",
+      "integrity": "sha512-v6UNi1+3hSlVvv8fSaoUbggEM5VErKmmpGA7Pl3HF8V6uKY7rvClBOJlH6yNwQtfTueNkGVpOv/mtWL9L4bgRA==",
       "dev": true,
       "license": "MIT",
       "bin": {
@@ -4051,11 +4043,14 @@
       "license": "MIT"
     },
     "node_modules/tinyexec": {
-      "version": "0.3.2",
-      "resolved": "https://registry.npmjs.org/tinyexec/-/tinyexec-0.3.2.tgz",
-      "integrity": "sha512-KQQR9yN7R5+OSwaK0XQoj22pwHoTlgYqmUscPYoknOoWCWfj/5/ABTMRi69FrKU5ffPVh5QcFikpWJI/P1ocHA==",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/tinyexec/-/tinyexec-1.0.2.tgz",
+      "integrity": "sha512-W/KYk+NFhkmsYpuHq5JykngiOCnxeVL8v8dFnqxSD8qEEdRfXk1SDM6JzNqcERbcGYj9tMrDQBYV9cjgnunFIg==",
       "dev": true,
-      "license": "MIT"
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
     },
     "node_modules/tinyglobby": {
       "version": "0.2.15",
@@ -4265,9 +4260,9 @@
       }
     },
     "node_modules/vite": {
-      "version": "7.2.4",
-      "resolved": "https://registry.npmjs.org/vite/-/vite-7.2.4.tgz",
-      "integrity": "sha512-NL8jTlbo0Tn4dUEXEsUg8KeyG/Lkmc4Fnzb8JXN/Ykm9G4HNImjtABMJgkQoVjOBN/j2WAwDTRytdqJbZsah7w==",
+      "version": "7.2.6",
+      "resolved": "https://registry.npmjs.org/vite/-/vite-7.2.6.tgz",
+      "integrity": "sha512-tI2l/nFHC5rLh7+5+o7QjKjSR04ivXDF4jcgV0f/bTQ+OJiITy5S6gaynVsEM+7RqzufMnVbIon6Sr5x1SDYaQ==",
       "dev": true,
       "license": "MIT",
       "peer": true,
@@ -4341,19 +4336,19 @@
       }
     },
     "node_modules/vitest": {
-      "version": "4.0.14",
-      "resolved": "https://registry.npmjs.org/vitest/-/vitest-4.0.14.tgz",
-      "integrity": "sha512-d9B2J9Cm9dN9+6nxMnnNJKJCtcyKfnHj15N6YNJfaFHRLua/d3sRKU9RuKmO9mB0XdFtUizlxfz/VPbd3OxGhw==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/vitest/-/vitest-4.0.15.tgz",
+      "integrity": "sha512-n1RxDp8UJm6N0IbJLQo+yzLZ2sQCDyl1o0LeugbPWf8+8Fttp29GghsQBjYJVmWq3gBFfe9Hs1spR44vovn2wA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/expect": "4.0.14",
-        "@vitest/mocker": "4.0.14",
-        "@vitest/pretty-format": "4.0.14",
-        "@vitest/runner": "4.0.14",
-        "@vitest/snapshot": "4.0.14",
-        "@vitest/spy": "4.0.14",
-        "@vitest/utils": "4.0.14",
+        "@vitest/expect": "4.0.15",
+        "@vitest/mocker": "4.0.15",
+        "@vitest/pretty-format": "4.0.15",
+        "@vitest/runner": "4.0.15",
+        "@vitest/snapshot": "4.0.15",
+        "@vitest/spy": "4.0.15",
+        "@vitest/utils": "4.0.15",
         "es-module-lexer": "^1.7.0",
         "expect-type": "^1.2.2",
         "magic-string": "^0.30.21",
@@ -4362,7 +4357,7 @@
         "picomatch": "^4.0.3",
         "std-env": "^3.10.0",
         "tinybench": "^2.9.0",
-        "tinyexec": "^0.3.2",
+        "tinyexec": "^1.0.2",
         "tinyglobby": "^0.2.15",
         "tinyrainbow": "^3.0.3",
         "vite": "^6.0.0 || ^7.0.0",
@@ -4381,10 +4376,10 @@
         "@edge-runtime/vm": "*",
         "@opentelemetry/api": "^1.9.0",
         "@types/node": "^20.0.0 || ^22.0.0 || >=24.0.0",
-        "@vitest/browser-playwright": "4.0.14",
-        "@vitest/browser-preview": "4.0.14",
-        "@vitest/browser-webdriverio": "4.0.14",
-        "@vitest/ui": "4.0.14",
+        "@vitest/browser-playwright": "4.0.15",
+        "@vitest/browser-preview": "4.0.15",
+        "@vitest/browser-webdriverio": "4.0.15",
+        "@vitest/ui": "4.0.15",
         "happy-dom": "*",
         "jsdom": "*"
       },

package.json

@@ -3,7 +3,7 @@
   "publishConfig": {
     "access": "public"
   },
-  "version": "0.10.9",
+  "version": "0.11.0",
   "description": "An ACP-compatible coding agent powered by the Claude Code SDK (TypeScript)",
   "main": "dist/lib.js",
   "bin": {
@@ -51,10 +51,9 @@
   "author": "Zed Industries",
   "license": "Apache-2.0",
   "dependencies": {
-    "@agentclientprotocol/sdk": "0.5.1",
-    "@anthropic-ai/claude-agent-sdk": "0.1.55",
-    "@anthropic-ai/claude-code": "2.0.55",
-    "@modelcontextprotocol/sdk": "1.23.0",
+    "@agentclientprotocol/sdk": "0.7.0",
+    "@anthropic-ai/claude-agent-sdk": "0.1.57",
+    "@modelcontextprotocol/sdk": "1.24.1",
     "diff": "8.0.2",
     "uuid": "13.0.0"
   },
@@ -62,14 +61,14 @@
     "@anthropic-ai/sdk": "0.71.0",
     "@types/node": "24.10.1",
     "@types/uuid": "10.0.0",
-    "@typescript-eslint/eslint-plugin": "8.48.0",
-    "@typescript-eslint/parser": "8.48.0",
+    "@typescript-eslint/eslint-plugin": "8.48.1",
+    "@typescript-eslint/parser": "8.48.1",
     "eslint": "9.39.1",
     "eslint-config-prettier": "10.1.8",
     "globals": "16.5.0",
-    "prettier": "3.7.1",
+    "prettier": "3.7.4",
     "ts-node": "10.9.2",
     "typescript": "5.9.3",
-    "vitest": "4.0.14"
+    "vitest": "4.0.15"
   }
 }

src/acp-agent.ts

@@ -16,6 +16,7 @@ import {
   ReadTextFileResponse,
   RequestError,
   SessionModelState,
+  SessionNotification,
   SetSessionModelRequest,
   SetSessionModelResponse,
   SetSessionModeRequest,
@@ -40,7 +41,6 @@ import * as path from "node:path";
 import * as os from "node:os";
 import { v7 as uuidv7 } from "uuid";
 import { nodeToWebReadable, nodeToWebWritable, Pushable, unreachable } from "./utils.js";
-import { SessionNotification } from "@agentclientprotocol/sdk";
 import { createMcpServer, EDIT_TOOL_NAMES, toolNames } from "./mcp-server.js";
 import {
   toolInfoFromToolUse,

src/tests/mcp-server-read.test.ts

@@ -1,72 +0,0 @@
-import { describe, expect, it, vi } from "vitest";
-import { createMcpServer } from "../mcp-server.js";
-
-const SESSION_ID = "session-id";
-
-function getTool(server: any, name: string) {
-  const tools = server?._registeredTools;
-  if (!tools || !tools[name]) {
-    throw new Error(`Tool ${name} not registered`);
-  }
-  return tools[name];
-}
-
-function createAgent(overrides: Record<string, unknown> = {}) {
-  return {
-    sessions: {
-      [SESSION_ID]: {},
-    },
-    readTextFile: vi.fn(),
-    writeTextFile: vi.fn(),
-    backgroundTerminals: {},
-    clientCapabilities: {},
-    client: {
-      sessionUpdate: vi.fn(),
-      createTerminal: vi.fn(),
-      requestPermission: vi.fn(),
-    },
-    ...overrides,
-  };
-}
-
-describe("MCP server read-related tools", () => {
-  it("reports missing file contents instead of crashing the read tool", async () => {
-    const agent = createAgent();
-    agent.readTextFile.mockResolvedValue({});
-
-    const server = createMcpServer(agent as any, SESSION_ID, {
-      fs: { readTextFile: true },
-    });
-
-    const readTool = getTool(server, "Read");
-
-    const result = await readTool.callback({
-      file_path: "/tmp/file.txt",
-      offset: 1,
-      limit: 2000,
-    });
-
-    expect(result.content[0].text).toBe("Reading file failed: No file contents for /tmp/file.txt.");
-  });
-
-  it("reports missing contents inside the edit tool and skips writes", async () => {
-    const agent = createAgent();
-    agent.readTextFile.mockResolvedValue({});
-
-    const server = createMcpServer(agent as any, SESSION_ID, {
-      fs: { readTextFile: true, writeTextFile: true },
-    });
-
-    const editTool = getTool(server, "Edit");
-
-    const result = await editTool.callback({
-      file_path: "/tmp/file.txt",
-      old_string: "foo",
-      new_string: "bar",
-      replace_all: false,
-    });
-
-    expect(result.content[0].text).toBe("Editing file failed: No file contents for /tmp/file.txt.");
-    expect(agent.writeTextFile).not.toHaveBeenCalled();
-  });
-});

src/tools.ts

@@ -134,7 +134,14 @@ export function toolInfoFromToolUse(
         title: "Read File",
         kind: "read",
         content: [],
-        locations: [{ path: input.file_path, line: input.offset ?? 0 }],
+        locations: input.file_path
+          ? [
+              {
+                path: input.file_path,
+                line: input.offset ?? 0,
+              },
+            ]
+          : [],
       };
 
     case "LS":