mcp-any-openapi

{ "mcpServers": { "slack": { "command": "uvx", "args": [ "mcp-openapi-proxy" ], "env": { "OPENAPI_SPEC_URL": "https://raw.githubusercontent.com/slackapi/slack-api-specs/master/web-api/slack_web_openapi_v2.json", "SERVER_URL_OVERRIDE": "https://slack.com/api", "TOOL_WHITELIST": "/chat,/bots,/conversations,/reminders,/files", "API_KEY": "xoxb-your-bot-token-here", "API_KEY_JMESPATH": "token", "TOOL_NAME_PREFIX": "slack_" } } } }