INDIVIDUAL MCP TOOL

attester_package_exists

Does this PyPI or npm package name really exist?

attester.devnone authenticationAvailability not checked

LIVE ENDPOINT

https://attester.dev/mcp

No auth detected

Connect to this endpoint to inspect the live schema for attester_package_exists and invoke it with your own arguments.

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.attester-oracle]
url = "https://attester.dev/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "attester-oracle": {
      "type": "http",
      "url": "https://attester.dev/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: attester-oracle
Remote MCP URL: https://attester.dev/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "attester-oracle": {
      "url": "https://attester.dev/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "attester-oracle": {
      "type": "http",
      "url": "https://attester.dev/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "attester-oracle",
  "transport": "streamable-http",
  "url": "https://attester.dev/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

attester_symbol_exists — Does a function, class, or constant exist in this PyPI or npm package?
attester_symbol_signature — Exact signature, structured params, docstring summary, and deprecation status for one symbol, resolved at a pinned version when given.
attester_version_diff — Symbol-level diff between two pinned versions of one package: added, removed, changed signatures, new deprecations, and a breaking/additive/neutral classification.