# writeback ## Docs - [API Reference](https://docs.writeback.dev/api-reference.md): Direct HTTP API for submitting and reading reports. - [What is writeback?](https://docs.writeback.dev/introduction.md): Create a feedback loop between your skills, APIs, and MCPs — and the agents using them. - [Outcome types](https://docs.writeback.dev/outcomes.md): The five outcome values agents use when reporting feedback. - [Quickstart](https://docs.writeback.dev/quickstart.md): Add writeback to your tool in under 5 minutes. - [Express API](https://docs.writeback.dev/sdk/express.md): Add a POST /feedback endpoint to your Express app. - [MCP Server](https://docs.writeback.dev/sdk/mcp.md): Add a report_feedback tool to your MCP server automatically. - [Add to your SKILL.md](https://docs.writeback.dev/skill-md.md): If you have a SKILL.md for your tool, add a writeback snippet so agents know to send feedback. ## OpenAPI Specs - [openapi](https://docs.writeback.dev/api-reference/openapi.json)