Awesome Remote MCP Servers · Public certification

Challenge issues detected

Endpoint is reachable, but recent unpaid checks found protocol or availability issues.

Challenge issues detected No active certification tier Health 20/100 Unknown Mcp Remote
Open badge SVG Proof JSON Registry detail Open endpoint

Trust summary

Endpoint POST /sse
Service Sentry
Last unpaid proof
Last paid proof Never
Current intent Unknown
Observed price n/a
Open findings 1
Active incidents 3

Proof levels

Level 1 confirms that the endpoint speaks MPP correctly before payment. Level 2 confirms that the registry actually paid the endpoint and received a successful response.

Level 1

Unpaid structural proof

Rejected

This proof checks that the endpoint returns a valid unpaid MPP challenge and that the challenge can be parsed and normalized by the registry.

Latest outcomeResponse Invalid
Checked at
HTTP status410
Latency27 ms
Challenge count0
Fresh until
Primary challengen/a
Run id2f32c280-1...cdf954e962

Level 2

Paid delivery proof

Paid proof optional

This proof shows whether the registry actually paid the endpoint and received a successful post-payment response, using the stored receipt and payment reference as auditable evidence.

Latest outcomePending
Checked atNever
HTTP statusn/a
Latencyn/a
Billed amountn/a
Fresh untilNever
Payment referencen/a
Receipt statusUnknown
Receipt timestampNever
Response content typen/a
Response fingerprintn/a
Run idn/a

Badge and embed

Providers can embed this badge directly in docs, status pages, or changelogs. The link points back to this certification page so agents and humans can inspect the proof details.

IndexPay certification badge for Sentry
HTML embed
Markdown embed

Signals and findings

Endpoint did not complete a valid MCP initialize response. Error

Unpaid probe · 2 occurrence(s)

Endpoint runtime degraded Error

Recent unpaid verification runs show protocol or availability failures.

Workflow degraded Error

The connected provider workflow currently includes failing or warning monitored steps.

Open error findings Warning

Open probe findings still indicate unresolved challenge, payment, or delivery issues.