Agent Skill Loader

Agent Skill Loaderis a Model Context Protocol (MCP) server that acts as a bridge between your static Claude Code Skills library and dynamic AI agents (like Claude Desktop, Cursor, or any MCP client).

It exposes skills both asMCP Prompts(slash commands, zero tool calls needed) and asMCP Tools(for programmatic use). Skills are auto-discovered from configured directories and stay live — add a newSKILL.mdand the client is notified automatically.

- MCP Prompts: Skills appear as slash commands in clients. No tool call needed to inject them.
- Live updates:listChangednotification fires when skills are added or removed (via file watcher).
- Discovery:list_skills— scans configured skill directories, with optional search filter.
- Dynamic Learning:read_skill— fetches theSKILL.mdcontent.
- Persistence:install_skill— copies a skill permanently to your project.
- Configuration:manage_search_paths— add/remove skill directories at runtime.
- Troubleshooting:debug_info— diagnose configuration and path issues.

Option A: Install from npm (Recommended)

"agent-skill-loader": { "command": "agent-skill-loader" }

git clone https://github.com/back1ply/agent-skill-loader.git cd agent-skill-loader npm install npm run build

"agent-skill-loader": { "command": "node", "args": ["<path-to-repo>/build/index.js"] }

The server automatically detects its workspace and aggregates skill paths from:
- Default:%USERPROFILE%\.claude\plugins\cache(Standard location)
- Dynamic Config:skill-paths.json(Located in the project root)

You do not need to manually edit config files. Use the tool to manage paths at runtime:

- Add:manage_search_paths(operation="add", path="F:\\My\\Deep\\Skills")
- Remove:manage_search_paths(operation="remove", path="...")
- List:manage_search_paths(operation="list")creates/updatesskill-paths.json.

If your client supports MCP Prompts (Claude Desktop, Cursor, etc.), skills appear automatically as slash commands. Select a skill from the slash command menu to inject its content directly — no tool calls needed.

- list_skills(query?): Returns a JSON list of available skills. Optionalqueryfilters by name/description substring (case-insensitive).
- read_skill(skill_name): Returns the markdown instructions for a skill.
- install_skill(skill_name, target_path?): Copies the skill folder to.agent/skills/<name>. For security,target_pathmust be within the current workspace.
- manage_search_paths(operation, path?): Add, remove, or list skill search paths.
- debug_info(): Returns diagnostic information (paths, status, warnings).

"I need to write a DAX measure but I'm not sure about the best practices."

The agent will automatically calllist_skills, findwriting-dax-measures, callread_skill, and answer with expert knowledge. Or the user can invoke the skill directly as a slash command.

If skills aren't being discovered, usedebug_info()to see:

- search_paths: Which directories are being scanned
- path_status: Whether each path exists and is readable
- warnings: Any errors encountered during scanning (permission denied, empty files, etc.)

{ "workspace_root": "C:/projects/agent-skill-loader", "search_paths": { "base": ["C:/Users/pc/.claude/plugins/cache"], "dynamic": ["F:/My/Skills"], "effective": ["C:/Users/pc/.claude/plugins/cache", "F:/My/Skills"] }, "path_status": [ { "path": "C:/Users/pc/.claude/plugins/cache", "exists": true, "readable": true }, { "path": "F:/My/Skills", "exists": false, "readable": false } ], "skills_found": 12, "warnings": [ { "path": "F:/My/Skills", "reason": "Directory does not exist" } ] }

- src/index.ts: Main server logic (tools + prompts + watcher).
- src/utils.ts: Skill scanning, description extraction, prompt helpers, debounce.
- build/: Compiled JavaScript output.
- package.json: Dependencies (@modelcontextprotocol/sdk,chokidar,zod).

To add new skills, add a folder with aSKILL.mdfile to one of the watched directories. The server picks them up automatically and sends alistChangednotification — no restart required.

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