Install Witness in Claude Code
claude mcp add --transport http tfitzgerwitness-witness https://witness-contractwitness-production.witness-test.workers.dev/mcp{
"mcpServers": {
"tfitzgerwitness-witness": {
"url": "https://witness-contractwitness-production.witness-test.workers.dev/mcp"
}
}
}Frequently asked questions
What does the Witness MCP server do?
Production proofs for breaking JSON Schema/MCP changes; UNKNOWN/NO_WITNESS_FOUND not compatible.
Is the Witness MCP server free?
The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.
Does Witness run locally or remotely?
Remote. Hosted by the provider. You connect with a URL, nothing to install.
How do I add Witness to Claude Code?
Run: claude mcp add --transport http tfitzgerwitness-witness https://witness-contractwitness-production.witness-test.workers.dev/mcp
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