MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

deadends.dev

Claim this listing

dev.deadends/deadends-dev

deadends.devVerified

Structured failure knowledge for AI agents — dead ends, workarounds, error chains

AI models & agents

Developer ToolsIs deadends.dev down?Alternatives

5 of 22 checks passed

  • Updated recently

Check failed

The last measured handshake failed. Open the listing for evidence.

Connect to server
Median latency
Not measured
Uptime, 30 days
Not measured
Last checked

Measurement details

Core

  • Fail
    Reachable

    Latest probe outcome is http_error, HTTP 405.

  • Fail
    Valid handshake

    initialize did not return a supported protocolVersion and serverInfo.name.

  • Fail
    Lists tools

    tools/list did not return a tool.

  • Not measured
    Current protocol

    No negotiated protocol version.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    No successful latency samples in 7 days. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    No successful latency samples in 7 days. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    0 of 2 attempts returned a tool list in 30 days (0%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Not measured
    Open access

    The latest probe was http_error, so open access is not measured.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Not measured
    Tools described

    No tool list is stored yet.

  • Not measured
    Valid input schemas

    No tool list is stored yet.

  • Not measured
    Parameters documented

    No tool list is stored yet.

  • Not measured
    Safety hints

    No tool list is stored yet.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Pass
    Website matches publisher

    The website host matches the reverse-domain namespace.

  • Pass
    Source repo linked

    A repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Pass
    Recently updated

    Updated 2026-08-13T04:30:47.151176Z, within 180 days.

  • Not measured
    Open-source licence

    The GitHub licence lookup has not returned an OSI result yet.

Tools

No tool list stored yet.

Probe history

  • http_error5 ms— tools
  • http_error7 ms— tools

Status and uptime

Add badge to your README

The image links back to this page. It shows checks passed, or uptime, and the colour follows the latest status. Responses are cached for 5 to 15 minutes.

MCP Heartbeat badge

Markdown

[![MCP Heartbeat](https://mcpheartbeat.com/badge/dev.deadends/deadends-dev.svg)](https://mcpheartbeat.com/s/dev.deadends/deadends-dev)

HTML

<a href="https://mcpheartbeat.com/s/dev.deadends/deadends-dev"><img alt="MCP Heartbeat" src="https://mcpheartbeat.com/badge/dev.deadends/deadends-dev.svg"></a>

Uptime markdown

[![MCP Heartbeat uptime](https://mcpheartbeat.com/badge/dev.deadends/deadends-dev.svg?kind=uptime)](https://mcpheartbeat.com/s/dev.deadends/deadends-dev)

Served from https://mcpheartbeat.com.

Related servers

All alternatives

Same function and industry, ranked by checks passed then median latency.

Connect to this server

Claude Code

claude mcp add --transport http deadends-dev https://deadends.dev/mcp

Cursor .cursor/mcp.json

{
  "mcpServers": {
    "deadends-dev": {
      "url": "https://deadends.dev/mcp"
    }
  }
}

VS Code .vscode/mcp.json

{
  "servers": {
    "deadends-dev": {
      "type": "http",
      "url": "https://deadends.dev/mcp"
    }
  }
}