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HTTP 412 precondition-failed for VS Code

io.github.sadri-dridi/http-412

Meaning of HTTP 412.

client:VS Code transport:streamable-http tools:31

Install HTTP 412 precondition-failed in VS Code

.vscode/mcp.json

{
  "servers": {
    "http-412": {
      "type": "http",
      "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-412/mcp"
    }
  }
}

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs

What VS Code can do once it is connected

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HTTP 412 precondition-failed in other clients