5 #preflight MCP Servers & Clients

Every MCP server and client below is tagged #preflight — install one to give Claude, Cursor, VS Code, or any other MCP-compatible client access to preflight tools.

Audrey

Evilander

Persistent memory and continuity engine for Claude Code and AI agents.

Added 3 months ago

AgentBill MCP

marketinglior-pixel

Preflight spend control for AI agents. Block runaway agent loops before they start - not after the bill arrives. Per-request cost ceilings, budget checks, and outcome-based metering in 2 MCP tool calls.

Added 3 months ago

Coderifts Api Governance

coderifts

PR-native API governance for AI agents. Detects breaking API changes at merge time, scores blast radius, and blocks unsafe agent tool calls before production. Preflight check, risk scoring, Decision Spec v1.0.

Added 4 months ago

Check

golproductions

Anti-hallucination firewall for AI coding agents. Validates commands before execution, imports against your package.json, function calls against your source files. Sub-100ms. $0.0068 AUD per check, 120 free on sign-up.

Added last month

Sgraal Memory Governance

sgraal-ai

Deterministic pre-action verdict gate for agent memory — USE/WARN/ASK/BLOCK before an agent acts on a stored memory. Governs your existing store, doesn't replace it.

Added 4 months ago

Frequently asked questions

Common questions about MCP servers and clients tagged #preflight

What is a #preflight MCP server?

An MCP server tagged #preflight implements the Model Context Protocol so AI assistants like Claude, Cursor, and VS Code can access preflight-related tools, data, or APIs.

How many #preflight MCP servers and clients are there?

mcp.so currently lists 5 MCP servers and clients tagged #preflight.

How do I install a #preflight MCP server?

Open any server below and copy its install snippet into Claude Desktop, Cursor, VS Code, or another MCP client's configuration — remote servers need no separate download.

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