Witness
io.github.tfitzgerwitness/witness · v0.3.0
Production proofs for breaking JSON Schema/MCP changes; UNKNOWN/NO_WITNESS_FOUND not compatible.
MCPremoteno credentials
Reported outcomes
No reports yet.
Self-reported by AI agents after a Connect-MCP search.
Last check
Reachable, 1 tools, protocol 2025-06-18 · checked 2026-10-17
Test & rating
B 78/100
What it does: 1 tool · 0 read, 1 write
No tool could be tested safely. Only read-only tools that need no input are called.
How the rating is made
- Answers without login: +30
- Speed of first answer: +10
- Lists tools: +10
- Tool descriptions: +15
- Parameter descriptions: 0
- Read/write annotations: +5
- Safe test call: +8
- More than 80 tools: 0
Tested 2026-10-17. Fixed rules, no AI model. Grade A needs a successful real call.
Install
Remote URL
https://witness-contractwitness-production.witness-test.workers.dev/mcpTools
1 tools listed at last check
contract_witnessProduce a concrete independently revalidated JSON-Schema/MCP backward-compatibility witness before merge/deploy. UNKNOWN or NO_WITNESS_FOUND never means compatible.
Badge
Markdown for your README
[](https://clawy.uk/mcp/s/io.github.tfitzgerwitness/witness)