proof_fetch_preflight — ProofFetch — Cited Web Evidence MCP Tool
proof_fetch_preflight
(proof fetch preflight) is one of 2 tools on the
ProofFetch — Cited Web Evidence
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call proof_fetch_preflight from your client
- Claude Code ProofFetch — Cited Web Evidence proof_fetch_preflight run in your project directory
- Claude Desktop ProofFetch — Cited Web Evidence proof_fetch_preflight ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor ProofFetch — Cited Web Evidence proof_fetch_preflight ~/.cursor/mcp.json
- VS Code ProofFetch — Cited Web Evidence proof_fetch_preflight .vscode/mcp.json
- Zed ProofFetch — Cited Web Evidence proof_fetch_preflight ~/.config/zed/settings.json
- Windsurf ProofFetch — Cited Web Evidence proof_fetch_preflight ~/.codeium/windsurf/mcp_config.json
- Cline ProofFetch — Cited Web Evidence proof_fetch_preflight ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI ProofFetch — Cited Web Evidence proof_fetch_preflight ~/.gemini/settings.json
- Grok ProofFetch — Cited Web Evidence proof_fetch_preflight .mcp.json (in your project root)
- ChatGPT ProofFetch — Cited Web Evidence proof_fetch_preflight Settings → Connectors → Advanced → Developer mode
- Claude.ai ProofFetch — Cited Web Evidence proof_fetch_preflight Settings → Connectors → Add custom connector
- LangChain ProofFetch — Cited Web Evidence proof_fetch_preflight pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http proof-fetch https://proof-fetch-agent-api.neoaethel.workers.dev/mcpOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.