Fuse MCP server

<!-- mcp-name: io.github.Litenova-Solutions/fuse -->

Fuse

Fuse is a local .NET tool with a persistent syntax index, typed-graph wiring resolution on demand, reduced task-scoped source, and pre-write compiler verification for coding agents. It stores repository facts in .fuse/fuse.db and reuses them across agent turns instead of rediscovering the same structure through repeated file reads and text searches.

From a .NET project inside a Git repository:

dotnet tool install -g Fuse
fuse mcp install

The installer supports Claude Code, Cursor, GitHub Copilot, OpenCode, Kilo Code, Codex, and Grok Build. Use --client to configure one client; the default all configures all seven for the selected scope. fuse mcp install writes MCP registration and a short, versioned managed block in the client's documented instruction file, such as AGENTS.md or CLAUDE.md. Pass --no-rules to register MCP without the managed block. --with-hooks separately writes project-scoped Claude Code hooks. Run fuse mcp doctor after installation to inspect registration, managed guidance, daemon reachability, and index state. See Connect your coding agent for the exact file and scope matrix.

Reload your MCP client, then ask:

Resolve IOrderService to its implementation, then check the proposed OrderService.cs edit
with fuse_check before writing it.

When the MCP server starts, its shared local daemon owns one index job for the repository. A cold read starts a syntax index and reports its job state. Run fuse index to render progress in a terminal, fuse index --semantic for explicit compiler analysis, and fuse index status or fuse index cancel to control the job. The installer adds .fuse/ to .gitignore at project scope.

Every MCP operation except fusereduce requires a Git repository identity. Fuse walks upward to the nearest .git directory or file, so a call from a nested source or output folder uses the same repository-root daemon, lock, and index. A non-Git folder returns workspaceidentityunresolved: without starting a daemon or writing an index; fusereduce remains available. Each warm index records its repository root and complete file inventory. A missing or incomplete manifest rebuilds automatically even when the database already contains file rows.

Analysis runs locally and can work offline. Fuse walks a typed graph of DI registrations, handlers, routes, and callers, emits reduced source for a selected scope, and lets a coding agent typecheck proposed single-file content before writing it. No model is required. The optional update check can contact NuGet, and build-grade operations can use the package feeds configured for the repository.

Persistent Discovery and Reduced Context

Shortened. The full README is on GitHub.