Security · MCP server
Sint protocol: MCP server, setup and security
Sint protocol is an open-source MCP server published on GitHub that lets an AI agent scan MCP tool risks and enforce capability tokens and approvals. Its repository has 15 stars and its last commit is from October 24, 2026 and it is licensed under Apache-2.0.
What Sint protocol does
According to its repository: “MCP governance proxy with capability tokens, tiered approvals, fail-closed execution and tamper-evident audit receipts, plus preflight tool-risk scanning.”
The Model Context Protocol (MCP) is a standard plug between an AI agent and an outside service: once the server is connected, its tools show up in the agent, which decides when to call them. Sint protocol is listed under Security, a category of 133 servers in the directory, where it ranks #79 by stars.
Topics declared by the repository: protocol, robotics, ai-governance, ai-safety, open-standard, physical-ai.
Installing and connecting Sint protocol
No package or remote server is declared in the official MCP registry: you install it from source, following the repository README.
It works with any MCP-compatible client (Claude Desktop, Claude Code, Cursor, VS Code, Codex and most recent agents). You add one entry to the client's MCP configuration: server name, start command or URL, environment variables. Project language: TypeScript. Listed systems: macOS, Windows, Linux.
Security: what to check
Connecting an MCP server means installing software that talks straight to your agent: it runs with your rights and the model trusts its tool descriptions. The risk therefore depends on what it can touch and how far its code can be trusted.
None of the risk signals we track (system access, secrets, missing licence, abandonment) applies to Sint protocol. That does not replace reading the code.
Good practice: grant only the rights needed (least privilege), require human approval for irreversible actions, and run the AI agent security check.
Project activity and maintenance
Created on March 17, 2026, the sint-ai/sint-protocol repository has 15 stars and 8 forks, with 32 open issues. It has more stars than 33% of the servers in the directory. It received changes this month.
Stars measure attention, not quality: a recent, heavily promoted project can collect them fast, while a useful but niche server will have few.
Verdict
Sint protocol is a reasonable choice; check the points below before connecting it.
Strengths
- Active project: recent commit
- Permissive licence (Apache-2.0)
Limitations
- Install from source
Alternatives
- Semgrep17.2K ★
- World Monitor89.4K ★
- SafeDep Vet MCP1.1K ★
- Ida pro MCP13.1K ★
- GhidraMCP (LaurieWired)11.5K ★
- DashClaw313 ★
Learn more
Frequently asked questions
How do I install Sint protocol?
No package is declared in the MCP registry: clone the sint-ai/sint-protocol repository, follow its README, then declare the start command in your client's MCP configuration.
Is Sint protocol free?
The code is published under the Apache-2.0 licence and can be used free of charge.
Is Sint protocol safe?
No risk signal found (system access, secrets, licence, abandonment). As with any MCP server, keep rights minimal and read the code before sensitive use.
Is it an official server?
Nothing says so: it is a project published by sint-ai on GitHub. Check who maintains it before giving it access.
What are the alternatives to Sint protocol?
In the same category: Semgrep, World Monitor, SafeDep Vet MCP, and Ida pro MCP. Semgrep and World Monitor score higher on our grid.
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Neutrality. No affiliate links. No vendor pays to be reviewed, rated or ranked. Reviews are directed by François Chollet, neutral and factual, and every data point is dated and sourced. How we score