Aether MCP MCP server

Aether is an agent-native financial search engine published as a remote MCP server by EvidInvest. It provides citation-complete payloads with exact source text, accession-numbered citations, and links to primary documents for SEC filings, earnings transcripts, and EU regulations. The server exposes 14 tools for searching various financial corpora, managing institutional holdings, and interacting with a data marketplace, supporting OAuth 2.1 authentication.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by EvidInvest

MCP endpoint (Streamable HTTP)

https://aether.evidinvest.com/mcp

Vendor documentation

What you can do with it

Search across SEC filings, earnings transcripts, and EU regulations
Retrieve institutional holders and fund positions from SEC Form 13F
Search verbatim earnings-call transcripts and press releases
List and search third-party data partner documents in the marketplace

Tools advertised by the last live check:

search
financial_search
transcript_search
regulation_search
holdings_by_security
holdings_by_manager
list_partners
partner_search
partner_proxy_search
seller_signup
seller_publish_document
seller_register_endpoint
seller_list_my_documents
seller_list_my_endpoints

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http aether-mcp https://aether.evidinvest.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add aether-mcp --url https://aether.evidinvest.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable aether-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "aether-mcp": {
      "url": "https://aether.evidinvest.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "aether-mcp": {
      "type": "streamableHttp",
      "url": "https://aether.evidinvest.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start aether-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "aether-mcp": {
      "type": "http",
      "url": "https://aether.evidinvest.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http aether-mcp https://aether.evidinvest.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "aether-mcp": {
      "url": "https://aether.evidinvest.com/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "aether-mcp": {
      "serverUrl": "https://aether.evidinvest.com/mcp"
    }
  }
}

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