Hesper Atlas MCP MCP server

An official MCP server provided by Hesper Atlas that allows AI agents to verify stock buy, hold, or sell signals by querying underlying evidence, provenance, freshness, and caveats. It exposes public tools for inspecting historical replays, static-tail validations, and rolling walk-forward artifacts, as well as subscriber tools for current signals via OAuth.

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 Hesper Atlas

MCP endpoint (Streamable HTTP)

https://hesperatlas.com/mcp

Vendor documentation

What you can do with it

Verify stock signal claims and evidence
Inspect historical replay and provenance
Check data freshness and caveats
Compare engine performance against benchmarks

Tools advertised by the last live check:

get_track_record
get_ledger_stats
get_symbol_record
list_closed_trades
get_methodology
list_forward_publications
get_heldout_evidence
get_walk_forward_evidence
get_provenance
get_signal
list_signals
get_market_context
get_model_portfolio
get_forward_record
get_changes_since

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 hesper-atlas-mcp https://hesperatlas.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 hesper-atlas-mcp --url https://hesperatlas.com/mcp

Cursor

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

Cursor configuration

{
  "mcpServers": {
    "hesper-atlas-mcp": {
      "url": "https://hesperatlas.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": {
    "hesper-atlas-mcp": {
      "type": "streamableHttp",
      "url": "https://hesperatlas.com/mcp",
      "disabled": false
    }
  }
}

VS Code

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

VS Code configuration

{
  "servers": {
    "hesper-atlas-mcp": {
      "type": "http",
      "url": "https://hesperatlas.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 hesper-atlas-mcp https://hesperatlas.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": {
    "hesper-atlas-mcp": {
      "url": "https://hesperatlas.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": {
    "hesper-atlas-mcp": {
      "serverUrl": "https://hesperatlas.com/mcp"
    }
  }
}

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