TimeWeaver
About
Synthetic time-series test data with trend, seasonality, noise, and anomalies, for any MCP client.
Details
- Author
- fixtureforge
- Categories
- Database, Other, Developer Tools
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Setup
Install TimeWeaver in your MCP client (Claude Desktop, Cursor, Windsurf, and others).
Repository: https://github.com/fixtureforge/timeweaver-mcp
Follow the installation instructions in the repository README, then restart your MCP client.
Synthetic time-series test data, on demand, inside your AI client.Generate realistic series with configurable trend, seasonality, noise, anomalies, and multiple correlated streams — perfect for testing dashboards, charts, monitoring/alerting, forecasting models, and anomaly detection. Output as JSON, CSV, or SQL.
Part of thefixturelabtest-data tools. Its siblingSeedWeaverdoes relational/database test data.
LLMs are unreliable at hand-generating coherent time-series — trends drift, "seasonality" doesn't actually repeat, and correlations between series are fake. TimeWeaver generates data withverifiable statistical properties: a linear trend really has the slope you asked for, a seasonal cycle really repeats at its period, two correlated series really hit the target correlation, and AR(1) noise really has the autocorrelation you set.
Add to your MCP client config (e.g. Claude Desktopclaude_desktop_config.json):
{ "mcpServers": { "timeweaver": { "command": "npx", "args": ["-y", "timeweaver-mcp"] } } }
{ "mcpServers": { "timeweaver": { "command": "npx", "args": ["-y", "timeweaver-mcp"], "env": { "TIMEWEAVER_LICENSE": "YOUR-KEY-HERE" } } } }
- generate_timeseries— generate data from a preset and/or explicit components (length, frequency, baseline, trend, seasonality, noise, anomalies, correlated series). Output JSON / CSV / SQL.
- list_presets— list built-in presets:ecommerce_sales,server_cpu,iot_temperature,website_traffic,stock_price,api_latency_ms.
"Generate 90 days of daily e-commerce sales using the ecommerce_sales preset."
"Generate 3 correlated server CPU series over 500 minutes with correlation 0.8, as CSV."
"Make an hourly temperature series with a daily cycle and a level shift on day 5, as SQL into a table called readings."
Pro:$19/moor$39 one-time→https://fixtureforge.gumroad.com/l/timeweaver
MIT (the server code). Pro features require a valid license key.
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Schema-aware relational test data generator with working foreign keys, for any MCP client.
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