mcp-assert MCP Server
blackwell-systems/mcp-assert
[](https://agentrank-ai.com/tool/blackwell-systems--mcp-assert/?utm_source=badge&utm_medium=readme&utm_campaign=agentrank_badge) The testing standard for MCP servers. Lint (14 rules), test, and fuzz over real stdio/SSE/HTTP transport. 18 assertion types in YAML. Found 4,794 schema issues across 55 servers. Any language, no mocks, single binary.
claude mcp add agentrank -- npx -y agentrank-mcp-server Overview
blackwell-systems/mcp-assert is a Go MCP server licensed under MIT. The testing standard for MCP servers. Lint (14 rules), test, and fuzz over real stdio/SSE/HTTP transport. 18 assertion types in YAML. Found 4,794 schema issues across 55 servers. Any language, no mocks, single binary.
Ranked #1115 out of 24842 indexed tools.
In the top 5% of all indexed tools.
Actively maintained with commits in the last week.
Ecosystem
Score Breakdown
24 stars → early stage
Last commit 1d ago → actively maintained
1/1 issues closed → responsive maintainer
2 contributors → solo project
No dependents → no downstream usage
Weights: Freshness 20% · Issue Health 20% · Dependents 22% · Stars 10% · Contributors 8% · How we score →
How to Improve
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