HTTP 428 precondition-required

Meaning of HTTP 428.

Source

Official Registry

Updated

2026-09-09

// securityCaution

Remote endpoint· agent-observatory-sensor.nolimit-observatory.workers.dev
Runs locally
Official / curated
Open source
Community-trusted

Running security audit…

Credentials
Network egress
Code execution
Data access
Supply chain

// install

Copy the install command and let the AI configure it · recommended for beginners

Please install the "HTTP 428 precondition-required" MCP server from askskill:
Run: claude mcp add --transport http 'io-github-sadri-dridi-http-428' 'https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-428/mcp'

// docs

No documentation provided

Check the source repo for usage and examples.

Go to source repo ↗

// from the same source

MCP

Cement bags to cubic meters, number discarded

—Get→

MCP

ETag shape

—Get→

MCP

Slack Webhook Shape

Check a Slack webhook URL shape. Secret discarded.

—Get→

MCP

X-Forwarded-For comma count, value discarded

—Get→

MCP

ISO country LR

Public ISO 3166-1 record for LR.

—Get→

MCP

HTTP 202 accepted

Meaning of HTTP 202.

—Get→

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