MCP server

Probe V0

io.github.lexbritten/probe

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

Experimental MCP server for current empirical verification of explicit public HTTPS endpoint claims.

Working at last checkAbout 1,213 tokens per request once connected2 tools

https://probe-evidence.probe-lab.workers.dev/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 2
Token cost: About 1,213 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 25 Oct 2026, 20:29 UTC

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 probe https://probe-evidence.probe-lab.workers.dev/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.probe]
url = "https://probe-evidence.probe-lab.workers.dev/mcp"

Gemini CLI

{"mcpServers":{"probe":{"httpUrl":"https://probe-evidence.probe-lab.workers.dev/mcp"}}}

Cursor

{"mcpServers":{"probe":{"url":"https://probe-evidence.probe-lab.workers.dev/mcp"}}}

VS Code

{"servers":{"probe":{"type":"http","url":"https://probe-evidence.probe-lab.workers.dev/mcp"}}}

Antigravity

agy mcp add probe https://probe-evidence.probe-lab.workers.dev/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":"probe","server_url":"https://probe-evidence.probe-lab.workers.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"probe","server_url":"https://probe-evidence.probe-lab.workers.dev/mcp"}

probe.history ~264 tokens
Retrieve up to 20 persisted observations for an existing Probe experiment ID without making a new HTTP request. Use after verify_http_claim to inspect repeated results, PASS/FAIL/ERROR counts, agreement, or whether the observed verdict changed between the two latest decisive observations. This is hi
verify_http_claim ~949 tokens
Use this to verify a current public HTTPS claim by direct observation rather than web search, documentation, browser inference, or shell/curl. Use for explicit assertions that a GET/HEAD currently returns an expected HTTP status, exact header value, JSON value at a JSON Pointer, or body substring. I

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