# Refact Agent Engine API

**Canonical:** https://apis.io/apis/refact-ai/refact-engine-api/  
**Provider:** Refact.ai — https://apis.io/providers/refact-ai/  
**Documentation:** https://docs.refact.ai

Refact Agent Engine API is one of 2 APIs that [Refact.ai](https://apis.io/providers/refact-ai/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Artificial Intelligence, Agents, LSP, HTTP, and Local. The published artifact set on APIs.io includes API documentation and a GitHub repository.

Local HTTP/LSP API exposed by the Rust `refact-lsp` engine that runs inside the user's IDE or as a standalone server. Implements the agent runtime: provider/model capabilities, chat command queueing, SSE event streams, code completion, tool registry and confirmation rules, AST indexing, RAG/vector search over the workspace, integrations configuration, knowledge graph operations, task board management, and workspace checkpoint/rollback. This is the contract the VS Code and JetBrains plugins and the GUI call over `http://127.0.0.1:<port>/v1`.

## Machine-readable artifacts (4)

- **Documentation** — https://docs.refact.ai
- **SourceCode** — https://github.com/smallcloudai/refact/tree/main/refact-agent/engine
- **GitHubRepository** — https://github.com/smallcloudai/refact
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/refact-ai/refs/heads/main/apis.yml

## Other Refact.ai APIs (1)

- [Refact MCP Integration](https://apis.io/apis/refact-ai/refact-mcp-integration/)

## Tags

Artificial Intelligence, Agents, LSP, HTTP, Local

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/refact-ai/refact-engine-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/refact-ai/.