# Bookasponsor Book A Sponsor MCP server

Source: https://glimind.com/server/mcp-registry%2Fcom.bookasponsor%2Fbook-a-sponsor
Registry id: `mcp-registry/com.bookasponsor/book-a-sponsor`
Status: live (checked 2026-10-27T03:20:31.811Z)

## Verdict

Bookasponsor Book A Sponsor MCP server answered 100% of Glimind's liveness checks over 30 days, better than 42% of MCP servers, with 578 ms median handshake and 0 outages in 90 days. Its agent-readiness grade is A (100/100) across 4 tools, costing an agent about 728 tokens to load. Checked every few minutes; no tool is ever called.

## Measurements (30 days)

| Metric | Value | Better than |
|---|---|---|
| Uptime, 30 days | 100% | 42% of MCP servers |
| Median handshake latency | 578 ms | 43% of MCP servers |
| p95 handshake latency | 2653 ms | — |
| Checks in 30 days | 3,739 | — |
| Outages, 90 days | 0 | — |
| Median recovery | — | — |
| Agent-readiness score | 100/100 (A) | 94% of MCP servers |
| Tools | 4 | — |
| Tool-list size for an agent | ~728 tokens | 81% of MCP servers |
| Days observed | 19 | — |

## Install

```json
{
  "mcpServers": {
    "bookasponsor-book-a-sponsor-mcp-server": {
      "type": "http",
      "url": "https://bookasponsor.com/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http bookasponsor-book-a-sponsor-mcp-server https://bookasponsor.com/mcp
```

## Tools (4)

- `find_newsletter_sponsors`: Use this when someone who runs a newsletter asks which brands might sponsor it or how to find sponsors for it. Takes the newsletter's web address, finds similar
- `get_newsletter_sponsorship_rates`: Use this when someone asks how much to charge for a newsletter sponsorship or what newsletters charge for an ad. Returns the median price newsletters list for t
- `get_sponsor_scan`: Use this to read the result of a sponsor scan that find_newsletter_sponsors started, for example when it reported that the scan was still running. Takes the sam
- `list_brands_sponsoring_newsletters`: Use this when someone asks which companies or brands sponsor newsletters, overall or in a topic such as AI, finance or marketing. Returns the brands seen in the

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.