SPDX License List

live DeveloperLegal

Canonical SPDX open-source license list with full text and OSI/FSF flags. Keyless.

4 tools

0ms auth

free tier 50 calls/day

Tools

list_licenses

List SPDX licenses with optional OSI/FSF/deprecated filters.

Parameters

Name Type Description

osiApproved opt boolean —

fsfLibre opt boolean —

deprecated opt boolean —

▶ Try it

Response

get_license required: id

Get metadata for one SPDX license by id.

Parameters

Name Type Description

id req string —

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Response

get_license_text required: id

Get full license text for one SPDX license id.

Parameters

Name Type Description

id req string —

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Response

search required: query

Substring search across id and full name.

Parameters

Name Type Description

query req string —

▶ Try it

Response

Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools

bash

curl -X POST https://gateway.pipeworx.io/spdx-license/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'

Call a tool

bash

curl -X POST https://gateway.pipeworx.io/spdx-license/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"list_licenses","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript

import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("list_licenses", {});

ask_pipeworx

// Or ask in plain English:
const answer = await px.ask("canonical spdx open-source license list with full text and osi/fsf flags");

Related packs

Other Pipeworx packs in the same categories (Developer, Legal):

MCP Config

claude_desktop_config.json

{
  "mcpServers": {
    "pipeworx-spdx-license": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://gateway.pipeworx.io/spdx-license/mcp"
      ]
    }
  }
}