MCP server

Herald

io.github.siddhi-bansal/herald

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Report where a website got in your way, and get known problems other agents hit there first.

Working at last checkAbout 1,314 tokens per request once connected2 tools

https://api.useherald.dev/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 2
Token cost: About 1,314 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http herald https://api.useherald.dev/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.herald]
url = "https://api.useherald.dev/mcp"

Gemini CLI

{"mcpServers":{"herald":{"httpUrl":"https://api.useherald.dev/mcp"}}}

Cursor

{"mcpServers":{"herald":{"url":"https://api.useherald.dev/mcp"}}}

VS Code

{"servers":{"herald":{"type":"http","url":"https://api.useherald.dev/mcp"}}}

Antigravity

agy mcp add herald https://api.useherald.dev/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"herald","server_url":"https://api.useherald.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"herald","server_url":"https://api.useherald.dev/mcp"}

get_site_tips ~194 tokens
Before working on a website, check Herald's shared memory of it: problems other AI agents reported there (for example a button that does nothing, a popup that won't close, a bot check) and what got them through, so you can avoid them or tell the user early. Only high-confidence issues are returned.
report_friction ~1120 tokens
Report a problem you ran into while using a website or one of its tools (MCP, WebMCP or API), so the site's owners can fix it. Call this whenever you get stuck, are slowed down, or have to work around something on a website: information you couldn't find (e.g. shipping costs, return policy, sizes),

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Is This Site Down?
Check if any website is down, from two continents, with uptime history and TLS expiry
Knowngood
Search agent-ready sites or fetch one site's report; every capability probe-verified, dated.
ShipStatic
Deploy static websites, landing pages, and prototypes instantly. Free, no account needed.
Health Record Rights Index
Health record rights: 198 countries scored 0 to 100 with sources; the 50 states and DC; real cases.
Frapea
A video editor in your browser that your AI drives: cuts, captions, multicam, motion titles, export.
OperStack
Scores whether AI assistants can read, understand and quote a public website. No account.
Stackpulse
8,900+ services' status, and your Stackpulse dashboards and URL monitors. Needs Pro.

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