MarketNow Registry / Data / mcp-spend-guard
mcp-spend-guard
Wrap any MCP server with a hard spend cap, per-tool rate limits, a wall-clock timeout and a kill switch. MCP has no built-in rate limiting - this is the drop-in stdio proxy that adds one. SQLite-backe
Install
$ git clone https://github.com/waseemnasir2k26/mcp-spend-guardHeuristic signals advise review before installing: young package, low adoption, stale repository, or name similarity to a popular package.
Adoption evidence: 1 GitHub stars.
How MarketNow scored this
Sentinel Index Heuristics — a security-first estimate from public signals:
- Package age and release activity (stale repositories lose points)
- Verified adoption: registry downloads or GitHub stars, not follower counts
- Typosquat distance against the 150 most-installed MCP packages
- Injection markers scanned in the package description
Heuristic, not a guarantee. For verified agent credentials and revocation, see the MarketNow Trust API.
What is mcp-spend-guard?
Wrap any MCP server with a hard spend cap, per-tool rate limits, a wall-clock timeout and a kill switch. MCP has no built-in rate limiting - this is the drop-in stdio proxy that adds one. SQLite-backe Indexed by MarketNow with trust 60/100 (Review advised).
How do I install it?
Run $ git clone https://github.com/waseemnasir2k26/mcp-spend-guard Heuristic signals advise review before installing: young package, low adoption, stale repository, or name similarity to a popular package.
What does the trust score mean?
Security-first heuristic over public signals (age, adoption, typosquat distance, injection markers). It is not a popularity ranking and not a guarantee of safety. mcp-spend-guard scores 60/100.