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

Read-only probes

ColdRead

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io.github.something-agent/coldread

something-agentVerified

Free signed trust report on an x402 endpoint: lint, signed offers, ERC-8004, payer mix.

Developer ToolsIs ColdRead down?Alternatives

14 of 22 checks passed

  • Handshake
  • Tools listed
  • Updated recently

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

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

Measurement details

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 69 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name coldread.

  • Pass
    Lists tools

    tools/list returned 3 tools.

  • Pass
    Current protocol

    Negotiated 2025-11-25. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 69 ms over 2 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 69 ms over 2 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    2 of 2 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Pass
    Stable tool list

    No tool was removed and no required parameter was added in the last 30 days.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • 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

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Fail
    Parameters documented

    4 of 8 parameters have a description (50%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Not measured
    Website matches publisher

    This namespace is not a reverse domain, so the website comparison does not apply.

  • Pass
    Source repo linked

    A repository URL is on file.

  • Pass
    Repo owner matches

    The GitHub repository owner matches the namespace login.

  • Pass
    Recently updated

    Updated 2026-10-28T18:07:41.780183Z, within 180 days.

  • Not measured
    Open-source licence

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

Tools

  • coldread_check

    Before paying an x402 seller: one signed, independent report combining a 402-challenge lint, signed-offer and signer-authorization checks, an ERC-8004 identity lookup and a labelled Base USDC payer summary over the last ~28 h. Read-only; never pays. Free.

    Measured

  • coldread_get_report

    Fetch a stored signed report by its sha256 digest (reports are kept 90 days).

    Measured

  • coldread_verify_report

    Check that a ColdRead report envelope is unmodified (JCS + sha256) and signed by a published ColdRead key. Pass the whole envelope {report, digest, signature}.

    Measured

Probe history

  • ok69 ms3 tools
  • ok68 ms3 tools

Status and uptime

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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/io.github.something-agent/coldread.svg)](https://mcpheartbeat.com/s/io.github.something-agent/coldread)

HTML

<a href="https://mcpheartbeat.com/s/io.github.something-agent/coldread"><img alt="MCP Heartbeat" src="https://mcpheartbeat.com/badge/io.github.something-agent/coldread.svg"></a>

Uptime markdown

[![MCP Heartbeat uptime](https://mcpheartbeat.com/badge/io.github.something-agent/coldread.svg?kind=uptime)](https://mcpheartbeat.com/s/io.github.something-agent/coldread)

Served from https://mcpheartbeat.com.

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Connect to this server

Claude Code

claude mcp add --transport http coldread https://coldread.something-agent.workers.dev/mcp

Cursor .cursor/mcp.json

{
  "mcpServers": {
    "coldread": {
      "url": "https://coldread.something-agent.workers.dev/mcp"
    }
  }
}

VS Code .vscode/mcp.json

{
  "servers": {
    "coldread": {
      "type": "http",
      "url": "https://coldread.something-agent.workers.dev/mcp"
    }
  }
}