{"slug":"dotsetlabs/bellwether","name":"Bellwether","description":"Open-source CLI for testing MCP servers and detecting schema drift","category":"development","tags":[],"official":false,"stars":1,"transport":"sse","install":[{"cmd":"npx @mcp/your-server","imports":[]}],"tools":[{"name":"init","description":"Create bellwether.yaml configuration file"},{"name":"check","description":"Deterministic schema drift detection"},{"name":"baseline save","description":"Save snapshot for future comparisons"},{"name":"baseline compare","description":"Compare latest check output to saved baseline"},{"name":"explore","description":"LLM behavioral testing and AGENTS.md generation"},{"name":"watch","description":"Continuous checking on file changes"},{"name":"discover","description":"Capability inspection without tests"},{"name":"registry","description":"Search MCP Registry"},{"name":"golden","description":"Golden output regression testing"},{"name":"contract","description":"Contract validation and generation"},{"name":"auth","description":"Manage LLM provider API keys"},{"name":"validate-config","description":"Validate bellwether.yaml without running tests"}],"env_vars":["MCP_SERVER_TOKEN","OPENAI_API_KEY","ANTHROPIC_API_KEY","OLLAMA_BASE_URL"],"auth_type":"none","github":"https://github.com/dotsetlabs/bellwether","homepage":"","server_url":"","status":"active","source":"mcpservers.org","updated_at":"Mon May 25"}