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90
MCP live MCP 2026-07-28 streamable-http

Vizier

io.github.vassiliylakhonin/vizier

Deterministic authorization for one proposed AI agent action, returned with a signed receipt.

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Get before/after evidence when observed tools, schemas, authentication access, availability or the endpoint changes.

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Uptime
100.0%
5 direct probes · 30d
Response
436ms
last probe
Tools
1
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://vizier.vassiliy-lakhonin.workers.dev/mcp
Score: 90/100
Handshake verified by our own probe.
why this score
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
1 tools, 0 resources, 0 prompts returned.
partial 3 or more catalogue items 0/10
1 item in total; 3 or more earns these points.
How to earn +10 points
Expose at least three tools, resources or prompts
Split a catch-all tool into focused ones, or publish your docs and templates as resources and prompts.
Docs →
pass Describes itself 10/10
93 characters; more than 30 earns these points.

Tools · 1

vizier_verify_action

Evaluate whether an AI agent should be allowed to perform a proposed action. Call vizier_verify_action immediately before an AI agent executes an external action. Signed grant mode: required. Anonymou…

How to use

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "vizier": {
      "url": "https://vizier.vassiliy-lakhonin.workers.dev/mcp",
      "transport": "streamable-http"
    }
  }
}