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MCP live MCP 2025-11-25 streamable-http

MCP Verification Gate: conformance and disclosure checker for MCP servers

io.github.ogasurfproject-jpg/hs-verify-gate

Conformance checker for MCP servers. Free, no key, verdicts recomputable and re-measured daily.

Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
1049ms
last probe
Tools
6
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://gate.horizonshield.dev/mcp
Score: 100/100
Handshake verified by our own probe.
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
6 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
6 items in total; 3 or more earns these points.
pass Describes itself 10/10
95 characters; more than 30 earns these points.

Tools · 6

get_conditions

Return the five conditions this gate measures, what it explicitly does not verify, and the tier definitions. Takes no arguments and returns identical output every time. Read this before running a chec…

check_conformance

Measure a public MCP endpoint against five conditions: it speaks MCP, it publishes an A2A agent card, it declares who pays it, identical input returns identical output, and the verdict itself can be r…

verify_verdict

Take a verdict this gate issued and recompute its record_sha256 independently. Removes record_sha256 and recompute_note, serialises the remainder in key order, and hashes it. Returns whether the verdi…

lookup_server

Returns one record (not a list). Look up what this register already holds about an MCP endpoint: whether it is watched, how often it is re-measured, how many measurements exist, when the first and lat…

is_verified

A single machine-first answer for an agent deciding whether to trust an MCP endpoint BEFORE it connects. Returns verified (true only when the latest scheduled measurement passed every measured conditi…

preflight_agent

Call this before handing work to an A2A agent you have not used before. Fetches the agent's public card (https://<agent>/.well-known/agent-card.json, one request), reports whether it declares the A2A …

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://gate.horizonshield.dev/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "mcp_verification_gate:_conformance_and_disclosure_checker_for_mcp_servers": {
      "url": "https://gate.horizonshield.dev/mcp",
      "transport": "streamable-http"
    }
  }
}