INDIVIDUAL MCP TOOL

pulsar_observe

PROOF-OF-OBSERVATION: fetch a public URL and return a cryptographically SIGNED statement (Ed25519) attesting to exactly what existed at that URL right now — content hash, SimHash, title, timestamp.

astrina.ionone authenticationAvailability not checked

LIVE ENDPOINT

https://astrina.io/mcp

No auth detected

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

Indexed input schema

{}

Risk classification

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

A tool name or description suggests retrieving external content.

Parent server

astrina.io

CONNECT WITH APPROVAL

Client installation

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

Codex

~/.codex/config.toml

[mcp_servers.astrina]
url = "https://astrina.io/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "astrina": {
      "type": "http",
      "url": "https://astrina.io/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: astrina
Remote MCP URL: https://astrina.io/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": {
    "astrina": {
      "url": "https://astrina.io/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "astrina": {
      "type": "http",
      "url": "https://astrina.io/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "astrina",
  "transport": "streamable-http",
  "url": "https://astrina.io/mcp"
}

MCP Inspector

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

Related tools

astrina_list_sites — List the websites in your Astrina account (domain, title, SEO score).
astrina_site_overview — One-call snapshot of a site: visitors & pageviews, top traffic sources and countries, SEO score, latest audit grade, tracked-keyword visibility and backlinks.
astrina_traffic — Privacy-first web analytics for a site: visitors, pageviews, visits, and breakdowns by source, country or page — or a daily time series.
astrina_seo_audit — The latest full SEO audit for a site — overall score, pass/warn/fail counts and the prioritised list of issues to fix.
astrina_rankings — Keyword rankings for a site: current search position, weekly change, landing URL and clicks for each tracked keyword, plus an overall visibility score.
astrina_backlinks — Backlink profile summary for your account (total / live / lost links and status breakdown).
astrina_business_signals — Internal business metrics a site pushes to Astrina (users, registrations, materials, payments, moderation …) with today's value and 30-day change.
astrina_list_utilities — List the Astrina SEO/web utilities runnable over the API (name + what each does), so you know what to pass to astrina_run_utility.