OpenAPI spec in, chaos test harness out: WireMock stubs, contract tests and failure scenarios from a team of local LLM agents.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add api-shakedown --env OPENAI_API_KEY='<OPENAI_API_KEY>' --env ANTHROPIC_API_KEY='<ANTHROPIC_API_KEY>' -- uvx api-shakedown~/.codex/config.toml
[mcp_servers.api-shakedown]
command = "uvx"
args = ["api-shakedown"]
env = { OPENAI_API_KEY = "<OPENAI_API_KEY>", ANTHROPIC_API_KEY = "<ANTHROPIC_API_KEY>" }
# codex mcp add api-shakedown --env OPENAI_API_KEY='<OPENAI_API_KEY>' --env ANTHROPIC_API_KEY='<ANTHROPIC_API_KEY>' -- uvx api-shakedown~/.cursor/mcp.json
{
"mcpServers": {
"api-shakedown": {
"command": "uvx",
"args": [
"api-shakedown"
],
"env": {
"OPENAI_API_KEY": "<OPENAI_API_KEY>",
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"api-shakedown": {
"type": "stdio",
"command": "uvx",
"args": [
"api-shakedown"
],
"env": {
"OPENAI_API_KEY": "<OPENAI_API_KEY>",
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"api-shakedown": {
"command": "uvx",
"args": [
"api-shakedown"
],
"env": {
"OPENAI_API_KEY": "<OPENAI_API_KEY>",
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"api-shakedown": {
"command": "uvx",
"args": [
"api-shakedown"
],
"env": {
"OPENAI_API_KEY": "<OPENAI_API_KEY>",
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"api-shakedown": {
"command": "uvx",
"args": [
"api-shakedown"
],
"env": {
"OPENAI_API_KEY": "<OPENAI_API_KEY>",
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>"
}
}
}
}Environment variables
OPENAI_API_KEYANTHROPIC_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.