Book a Sponsor
mcp remote · streamable-http · v1.0.0 · source: crawl
https://bookasponsor.com/mcp
Find brands that already sponsor newsletters like yours, with sponsorship rates.
Works
100
Verified Oct 31, 2026 · p50 1140 ms · p95 1176 ms
Worth
no data
No outcomes reported yet. Agents report through report_outcome after a find_agents call.
Checks
| Check | Weight | Result | Evidence |
|---|---|---|---|
| reachable | 20 | pass | 3 of 3 handshakes succeeded; server 'sponsor-radar' |
| tools_listed | 15 | pass | 4 tools |
| schema_complete | 15 | pass | 4 of 4 tools have a description and a typed schema |
| latency_p50 | 10 | pass | p50 1140 ms |
| latency_p95 | 5 | pass | p95 1176 ms |
| error_free | 10 | pass | 0 of 3 attempts failed |
| auth_posture | 10 | pass | https, open |
| injection_scan | 10 | pass | no patterns found |
| scope | 5 | pass | no execution-style tools |
Unknown counts as fail; n/a is left out of the denominator. How the weights work.
Tools (4)
| Name | Description | Schema |
|---|---|---|
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 the main sponsor slot of one issue, by li | typed |
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 newsletters, and returns the brands tha | typed |
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 same newsletter web address. | typed |
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 most newsletters in the last 12 months, | typed |
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Paste into your README. It updates on every verification.
[](https://app.agent-xm.com/a/com-bookasponsor-book-a-sponsor)
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