About license-checker
license-checker is a stdio MCP server for retrieving open-source license metadata and checking compatibility. It supports a remote snapshot URL override and a local-only mode that skips remote fetching.
Key features
- 01Open-source license metadata
- 02License compatibility checks
- 03Remote snapshot URL override
- 04Local-only mode
Use cases
- 01Reviewing licenses in a project
- 02Checking license compatibility
- 03Retrieving license metadata
MCP support
It runs as a stdio MCP server and exposes open-source license metadata and compatibility checking to MCP clients.
Configuration
Local server config is the same for every client. Copy it into your client’s MCP config file.
npx -y @weiseer/license-checker-mcpLIC_URLOverride remote snapshot URLLIC_LOCAL_ONLYSkip remote fetchLocal servers need a runtime on your machine (e.g. Node.js 18+). Config file locations differ by client; see your client’s docs.
Tools
4Saved tool list · updated 2w ago
| Parameter | Type | Required | Description |
|---|---|---|---|
| spdx_id | string | Yes |
Details
From the project README@weiseer/license-checker-mcp
OSS license metadata + compatibility checker MCP server. stdio MCP server.
Part of weiseer — AI-agent-native cached oracles.
Install
npm install -g @weiseer/license-checker-mcp
Use with Claude Desktop / Cursor / Cline / Continue / Windsurf
{
"mcpServers": {
"license-checker": {
"command": "npx",
"args": ["-y", "@weiseer/license-checker-mcp"]
}
}
}
Why use this instead of your agent doing it itself
The DIY cost in token-spend, latency, and rate-limit risk is 100-1500x our cost. See the weiseer organization README for the economic argument.
Environment
LIC_URL— override remote snapshot URLLIC_LOCAL_ONLY=1— skip remote fetch
License
Apache-2.0
Comments
New to MCP?
From what the protocol is to installing your first server, these answers cover most first questions.
An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.