Witness is listed as active in the registry but did not answer our last check. It exposes 1 tools.
Production proofs for breaking JSON Schema/MCP changes; UNKNOWN/NO_WITNESS_FOUND not compatible.
Witness does not always answer
Over the last week it answered 13.4% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 15 min ago.
claude mcp add witness --transport http https://witness-edge-phase-c-test.witness-test.workers.dev/mcphttps://witness-edge-phase-c-test.witness-test.workers.dev/mcp[mcp_servers.witness]
url = "https://witness-edge-phase-c-test.witness-test.workers.dev/mcp"{
"mcpServers": {
"witness": {
"url": "https://witness-edge-phase-c-test.witness-test.workers.dev/mcp"
}
}
}{
"servers": {
"witness": {
"type": "http",
"url": "https://witness-edge-phase-c-test.witness-test.workers.dev/mcp"
}
}
}This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.
Available tools 1
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
contract_witness
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://witness-edge-phase-c-test.witness-test.workers.dev/mcp | streamable-http | answering | 82 ms | 15 min ago |
| https://witness-contractwitness-production.witness-test.workers.dev/mcp | streamable-http | answering | 77 ms | 15 min ago |
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Witness — questions
Answers built from our own checks of this server.