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Issues17 (17)

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langchain-ai/langchainjs-mcp-adapters

I would like to question, if you really need the interface in every case, as I learned it is good practise to start just using export type instead

https://github.com/langchain-ai/langchainjs-mcp-adapters/blob/b4313142e0e21f13592c11995b2d4490e969e3e1/src/client.ts#L51

• TimSusa
·
• Opened 
  3 hours ago
·
• #47

langchain-ai/langchainjs-mcp-adapters

Would it makes sense to refactor out all relevant types to its on file, then importing it with import type at the top of the file or smiilar?

https://github.com/langchain-ai/langchainjs-mcp-adapters/blob/b4313142e0e21f13592c11995b2d4490e969e3e1/src/client.ts#L22

• TimSusa
·
• Opened 
  3 hours ago
·
• #46

langchain-ai/langchainjs-mcp-adapters

[BUG] Build seems to create duplicates in the root folder...

Bug Description A clear and concise description of what the bug is. Reproduction Steps Steps to reproduce the behavior: 1. Create a client with ... 2. Connect to server using ... 3. Call method ...

bug

• TimSusa
·
• Opened 
  3 hours ago
·
• #45

langchain-ai/langchainjs-mcp-adapters

package.json script to run examples are missing

Hi, sry did I miss something? You say: Build all examples npm run build:examples Run specific examples npm run example:default # Uses automatic loading from mcp.json npm run example:custom # Uses a ...

• TimSusa
·
• Opened 
  3 hours ago
·
• #44

langchain-ai/langchainjs-mcp-adapters

[BUG] The npx executable is not recognized

Bug Description The MPC server installed with npx can be recognized and tools loaded. The environment variables are not inherited in loading the tools. Reproduction Steps Steps to reproduce the behavior: ...

bug

• sugarforever
·
• Opened 
  yesterday
·
• #42

langchain-ai/langchainjs-mcp-adapters

[BUG] Env var substitution in config files not working for SSE

Bug Description In MultiServerMCPClient.loadConfigFromFile you substitute env vars, but currently filter out those with SSE transport: https://github.com/langchain-ai/langchainjs-mcp-adapters/blob/b4313142e0e21f13592c11995b2d4490e969e3e1/src/client.ts#L173 ...

bug

• TillSimon
·
• Opened 
  yesterday
·
• #41

langchain-ai/langchainjs-mcp-adapters

[BUG] CommonJS projects due to incompatible ESM-only dependency @dmitryrechkin/json-schema-to-zod

Bug Description Compilation fails in CommonJS projects due to @dmitryrechkin/json-schema-to-zod Reproduction Steps Steps to reproduce the behavior: 1. Create a client using CommonJS 2. Compilation ...

bug

• Pdash-exceeds
·
• Opened 
  2 days ago
·
• #40

langchain-ai/langchainjs-mcp-adapters

[BUG] ESM Module Compatibility Error: require() of ES Module 'pkce-challenge' not supported in MCP SDK

Bug Description Error when importing the pkce-challenge ESM module in a CommonJS environment. The MCP SDK is attempting to use require() to import an ES Module, which is not supported. Reproduction Steps ...

bug

• KashiMoonactive
·
• 2
·
• Opened 
  2 days ago
·
• #39

langchain-ai/langchainjs-mcp-adapters

@langchain/mcp-adapters fails in CommonJS due to ESM-only dependency @dmitryrechkin/json-schema-to-zod

Hi! 👋 Firstly, thanks for your work on this project! 🙂 Today I used patch-package to patch @langchain/mcp-adapters@0.3.3 for the project I m working on. When importing @langchain/mcp-adapters in a CommonJS ...

• MauroPerna
·
• Opened 
  3 days ago
·
• #36

langchain-ai/langchainjs-mcp-adapters

[BUG] Bug: esbuild fails with top-level await error when using "cjs" output format

Bug Description When building the project using esbuild with the cjs output format, an error occurs due to the pkce-challenge package using top-level await. This results in the following error: pgsql ...

bug

• mayank-holofy
·
• 2
·
• Opened 
  6 days ago
·
• #31

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