diegosouzapw/OmniRoute · error · ObsidianServerError

Cannot reach Obsidian at ${baseUrl}. Ensure the Local REST A

Error message

Cannot reach Obsidian at ${baseUrl}. Ensure the Local REST API plugin is running and using the correct port. The REST API uses HTTP on port 27123 — do not use port 27124 (that is a separate MCP endpoint with HTTPS). If connecting via Tailscale, use http://<tailscale-ip>:27123.

What it means

Error "Cannot reach Obsidian at ${baseUrl}. Ensure the Local REST API plugin is running and using the correct port. The REST API uses HTTP on port 27123 — do not use port 27124 (that is a separate MCP endpoint with HTTPS). If connecting via Tailscale, use http://<tailscale-ip>:27123." thrown in diegosouzapw/OmniRoute.

Source

Thrown at src/lib/obsidian/api.ts:111

      }

      const ct = response.headers.get("content-type") ?? "";
      if (ct.includes("application/json")) {
        return response.json();
      }
      return response.text();
    } catch (err) {
      if (err instanceof Error && err.name === "AbortError") {
        clearTimeout(timeout);
        throw new ObsidianTimeoutError("Obsidian API request timed out after 30s");
      }
      if (err instanceof ObsidianAuthError || err instanceof ObsidianNotFoundError) {
        clearTimeout(timeout);
        throw err;
      }
      if (err instanceof TypeError && err.message === "fetch failed") {
        clearTimeout(timeout);
        throw new ObsidianServerError(
          `Cannot reach Obsidian at ${baseUrl}. Ensure the Local REST API plugin is running ` +
          `and using the correct port. The REST API uses HTTP on port 27123 — do not use ` +
          `port 27124 (that is a separate MCP endpoint with HTTPS). If connecting via ` +
          `Tailscale, use http://<tailscale-ip>:27123.`
        );
      }
      if (retryCount < MAX_RETRIES - 1) {
        lastError = err instanceof Error ? err : new ObsidianServerError(String(err));
        await sleep(Math.pow(2, retryCount) * 200);
        return attempt(retryCount + 1);
      }
      clearTimeout(timeout);
      throw err;
    }
  };

  return attempt(0);
}

View on GitHub (pinned to a179ffed5b)

When it happens

Trigger: Thrown at src/lib/obsidian/api.ts:111 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of diegosouzapw/OmniRoute@a179ffed5b (2026-08-25). Data as JSON: /api/errors/785ad45a162e6f78. Report an issue: GitHub.