MCP server

HTTP 400 bad-request

io.github.sadri-dridi/http-400

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Meaning of HTTP 400.

Source

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

31

Token cost

About 9,807 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http http-400 https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-400/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.http-400]
url = "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-400/mcp"

Gemini CLI

{"mcpServers":{"http-400":{"httpUrl":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-400/mcp"}}}

Cursor

{"mcpServers":{"http-400":{"url":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-400/mcp"}}}

VS Code

{"servers":{"http-400":{"type":"http","url":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-400/mcp"}}}

Antigravity

agy mcp add http-400 https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-400/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"http-400","server_url":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-400/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"http-400","server_url":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-400/mcp"}

Tools

• http-400 ~301 tokens
  Meaning of HTTP 400.

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