Ctxd

What ctxd does

The ctxd MCP server provides local context infrastructure for AI agents. It tracks folders selected by the user and exposes those folders through ctxfs, a path-oriented context layer intended to be readable by agents. The repository description also identifies API, CLI, and MCP access, so ctxd can serve as a local context source through more than one interface.

The main unit of context is a tracked folder. Rather than describing a general-purpose cloud connector or an unrestricted filesystem service, the available documentation presents ctxd as a way to choose folders on a computer and make their contents available to agent workflows. This makes the project relevant when context should be limited to explicitly selected local data.

How it works

ctxd monitors or tracks the folders selected on the local computer, then exposes them through ctxfs. The ctxfs layer uses paths to represent context in a form that agents can read. The same local context can be reached through the project’s API and command-line interface, with MCP listed as another access mechanism.

The ctxd MCP server therefore sits between selected local folders and an AI agent. A client can use the exposed context rather than relying on the agent to discover files independently. The excerpt does not define the individual MCP tool names, request formats, indexing behavior, or synchronization details, so those implementation specifics should be checked in the project documentation before integration.

Setup and configuration

The repository points to the public documentation as the authoritative source for setup and reference instructions. Its documented areas include an overview, quickstart, local tracker, ctxfs, CLI, local API, and security. Use those pages for installation steps, folder-selection procedures, interface details, and security guidance instead of relying on duplicated instructions in the repository README.

No required environment variables, configuration file format, installation command, or MCP transport is specified in the provided material. As a result, deployment details cannot be determined from this listing alone. The documented quickstart and interface-specific pages are the appropriate next references when configuring the ctxd MCP server.

Tools and capabilities

The provided material supports these capabilities:

• Track folders selected on a computer.
• Expose tracked folder context through ctxfs.
• Represent context using paths for agent-readable access.
• Provide a local API and command-line interface.
• Make the local context available through MCP.

The excerpt does not enumerate separate MCP operations, permissions, supported file formats, search syntax, or client-specific setup. Those details should not be assumed from the presence of the API, CLI, or MCP interfaces alone.

Limitations and notes

ctxd’s documented scope is selected local folders and the context exposed from them. The supplied material does not establish support for particular hosted storage providers, external databases, automatic whole-disk indexing, or named MCP clients. It also does not state whether changes are watched continuously, how content is indexed, or what authentication model applies.

The project documentation includes a dedicated security page, but no security behavior is described in the excerpt. Review that page before exposing tracked folders to agents, especially when the selected directories contain sensitive material. The repository also directs contributors to a separate contribution guide for package versioning and releases.