## Problem
When using `@langchain/google` as a model provider in the examples
workspace, the server crashes immediately with:
1. Runtime crash on startup:
```bash
ERR_PACKAGE_PATH_NOT_EXPORTED: Package subpath './utils/uuid' is not
defined by "exports" in @langchain/core/package.json
```
`@langchain/google` imports `@langchain/core/utils/uuid`, a subpath
added in `@langchain/core@1.1.42`. Both the examples workspace and
`libs/deepagents` were pinned to `^1.1.40` which does not export this
path.
2. TypeScript type error after fixing the runtime crash:
```bash
Type 'ChatGoogle' is not assignable to type 'BaseLanguageModel<any,
BaseLanguageModelCallOptions>'
```
Even after bumping `@langchain/core` in `examples/` only, pnpm kept two
separate copies in its store - `1.1.40` for `deepagents` and `1.1.42`
for `@langchain/google`. TypeScript treats them as structurally
incompatible types because the type import paths differ.
## Fix
- Bump `@langchain/core` from `^1.1.40` → `^1.1.42` in all
`../package.json` files
## Testing
```bash
cd examples/research
pnpm dlx @langchain/langgraph-cli dev
# -> No ERR_PACKAGE_PATH_NOT_EXPORTED and agent starts correctly
---------
Co-authored-by: Hunter Lovell <40191806+hntrl@users.noreply.github.com>
## Fix: `ERR_MODULE_NOT_FOUND` on Windows when building `deepagents`
### Problem
Building `libs/deepagents` on Windows produces a `dist/index.js` that
imports
local modules with `.ts` extensions instead of bundling them:
```js
import { createDeepAgent } from "./agent.ts";
import { ConfigurationError } from "./errors.ts";
```
This causes an immediate crash at runtime for any consumer of the
library:
```
Error [ERR_MODULE_NOT_FOUND]: Cannot find module
'C:\...\deepagentsjs\libs\deepagents\dist\agent.ts'
imported from C:\...\deepagentsjs\libs\deepagents\dist\index.js
```
**Root Cause**
The `external` filter in `libs/deepagents/tsdown.config.ts:` used a regex intended to match
only npm package names (which don't start with `.` or `/`):
```js
const external = [/^[^./]/];
```
On Unix absolute paths start with `/` so the regex correctly excludes them. On Windows absolute paths start with a drive letter (e.g. C:\...), which also doesn't start with `.` or `/` - so rolldown matches them as external, excludes them from the bundle, and leaves raw `.ts` references in the output.
**Fix**
Replace the regex with a function that explicitly excludes Windows-style
absolute paths:
```js
const external = (id: string) =>
!id.startsWith(".") && !id.startsWith("/") &&
!/^[A-Za-z]:[\\/]/.test(id);
```
After this change `pnpm -w run build` in `libs/deepagents` produces a fully
bundled `[dist/index.js]` with no `.ts` imports and examples run correctly on Windows.
Notes
- `deps.neverBundle` (the tsdown-recommended replacement for `[external]` is not yet functional in tsdown 0.21.7 / rolldown 1.0.0-rc.12 and causes a build error. This fix is the correct workaround until that API stabilises.
---------
Co-authored-by: Hunter Lovell <hunter@hntrl.io>
* update backend protocol interface, types, and utils
* refactor state backend
* refactor store backend
* clean up
* unit tests
* refactor filesystem
* unit tests
* skip binary files in literal search for filesystem backend
* refactor base sandbox
* base sandbox unit tests
* refactor local shell backend
* refactor composite backend
* composite and local shell backend changes
* refactor fs middleware
* unit tests and fixed issue where createFileData was removed - this would be breaking
* refactor acp filesystem backend
* backend protocol v2
* simplify createFileData
* docstrings
* adapt backend protocol tests
* sandbox protocol v2
* format
* standard tests
* fix tests
* fix tests
* fix tests
* fix node vfs
* lint fix
* empty commit
* fix download files to handle binary
* any backend protocol
* lint
* make backend protocol v2 extend backend protocol
* make backend unknown type for is sandbox backend check
* add changeset
* add max binary file size
* add svg
* separate v1 and v2
* format
* lint
* format
* update glob, ls, read raw return types
* unit test fixes
* fix tests
* restore standard-tests package
* fix integ tests - make standard-tests backward compatible
* remove deleted sandbox adapter
* standard-test refactor for backwards compat
* linting
* fix tests
* type guards and improved guard checks
* store mime type with v2 file data
* make explicit v1 types
* fix locall shell int types
* fix bug
* edge case
* update providers
* lint
* fix repl
* read raw tests
* support string or unint8arrays
* clean comments, docstrings, and fix issue where we were throwing a string
* don't re-wrap uint8arrays
* clean up test names
* fix quickjs
* poison pill and uint8array issues
* add back video and audio support
* bump langgraph-checkpoint version for json plus serializer changes
* fix lock after merge with main
* remove explicit cast
* use instance of Uint8Array for FileDataV2 schema
* update changeset
* update backend protocol interface, types, and utils
* refactor state backend
* refactor store backend
* clean up
* unit tests
* refactor filesystem
* unit tests
* skip binary files in literal search for filesystem backend
* refactor base sandbox
* base sandbox unit tests
* refactor local shell backend
* refactor composite backend
* composite and local shell backend changes
* refactor fs middleware
* unit tests and fixed issue where createFileData was removed - this would be breaking
* refactor acp filesystem backend
* backend protocol v2
* simplify createFileData
* docstrings
* adapt backend protocol tests
* sandbox protocol v2
* format
* standard tests
* fix tests
* fix tests
* fix tests
* fix node vfs
* lint fix
* empty commit
* fix download files to handle binary
* any backend protocol
* lint
* make backend protocol v2 extend backend protocol
* make backend unknown type for is sandbox backend check
* add changeset
* add max binary file size
* add svg
* separate v1 and v2
* format
* lint
* format
* update glob, ls, read raw return types
* unit test fixes
* fix tests
* restore standard-tests package
* fix integ tests - make standard-tests backward compatible
* remove deleted sandbox adapter
* standard-test refactor for backwards compat
* linting
* fix tests
* type guards and improved guard checks
* store mime type with v2 file data
* make explicit v1 types
* fix locall shell int types
* fix bug
* edge case
* update providers
* lint
* fix repl
* read raw tests
* support string or unint8arrays
* clean comments, docstrings, and fix issue where we were throwing a string
* don't re-wrap uint8arrays
* clean up test names
* fix quickjs
* poison pill and uint8array issues
* add back video and audio support
* bump langgraph-checkpoint version for json plus serializer changes
* fix lock after merge with main
* remove explicit cast
* use instance of Uint8Array for FileDataV2 schema
* refactor backend methods
* add changeset
* changesets
* regen lock
* update backend protocol interface, types, and utils
* refactor state backend
* refactor store backend
* clean up
* unit tests
* refactor filesystem
* unit tests
* skip binary files in literal search for filesystem backend
* refactor base sandbox
* base sandbox unit tests
* refactor local shell backend
* refactor composite backend
* composite and local shell backend changes
* refactor fs middleware
* unit tests and fixed issue where createFileData was removed - this would be breaking
* refactor acp filesystem backend
* backend protocol v2
* simplify createFileData
* docstrings
* adapt backend protocol tests
* sandbox protocol v2
* format
* standard tests
* fix tests
* fix tests
* fix tests
* fix node vfs
* lint fix
* empty commit
* fix download files to handle binary
* any backend protocol
* lint
* make backend protocol v2 extend backend protocol
* make backend unknown type for is sandbox backend check
* add changeset
* add max binary file size
* add svg
* separate v1 and v2
* format
* lint
* format
* update glob, ls, read raw return types
* unit test fixes
* fix tests
* restore standard-tests package
* fix integ tests - make standard-tests backward compatible
* remove deleted sandbox adapter
* standard-test refactor for backwards compat
* linting
* fix tests
* fix integ test
* type guards and improved guard checks
* store mime type with v2 file data
* make explicit v1 types
* fix locall shell int types
* fix bug
* edge case
* update providers
* lint
* fix repl
* read raw tests
* support string or unint8arrays
* clean comments, docstrings, and fix issue where we were throwing a string
* don't re-wrap uint8arrays
* clean up test names
* fix quickjs
* poison pill and uint8array issues
* add back video and audio support
* bump langgraph-checkpoint version for json plus serializer changes
* fix lock after merge with main
* remove explicit cast
* use instance of Uint8Array for FileDataV2 schema
* update changeset
* regen lock
* feat(acp): add authMethods to InitializeResponse for ACP registry compliance
The ACP registry CI verifies that agents advertise authentication
methods during initialization. Add configurable `authMethods` to
`DeepAgentsServerOptions` with sensible defaults (Anthropic/OpenAI
env_var methods + agent-type fallback), and expose typed interfaces
for all three ACP auth method types (agent, env_var, terminal).
* Create weak-singers-wash.md
* format
* remove description prop
* feat(server): add ACP support
* improvements
* rename to deepagents-acp
* format
* add missing props
* linting
* lint
* more docs
* Create orange-scissors-tell.md
* more features
* format
* format
* fix tests
* format
github-actions[bot]