{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"awesome-filesystem","slug":"filesystem","name":"Filesystem","type":"mcp","url":"https://github.com/modelcontextprotocol/servers/tree/main/src/filesystem","page_url":"https://unfragile.ai/filesystem","categories":["mcp-servers"],"tags":[],"pricing":{"model":"open_source","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"awesome-filesystem__cap_0","uri":"capability://tool.use.integration.mcp.compliant.filesystem.tool.exposure.via.json.rpc.protocol","name":"mcp-compliant filesystem tool exposure via json-rpc protocol","description":"Exposes filesystem operations as standardized MCP Tools through a JSON-RPC 2.0 transport layer, allowing LLM clients to invoke file operations with structured request/response contracts. The server implements the MCP protocol primitives to register tool schemas, handle invocations, and return results in a format compatible with any MCP-aware client (Claude, custom agents, etc.). This abstraction decouples filesystem logic from transport concerns, enabling the same tool definitions to work across stdio, HTTP, or WebSocket transports.","intents":["I want to give my LLM agent standardized access to filesystem operations without building custom API endpoints","I need to expose file tools to multiple LLM clients using a protocol-agnostic interface","I want to implement filesystem access that follows MCP conventions so it integrates seamlessly with MCP-aware applications"],"best_for":["LLM application developers building agents that need filesystem access","Teams adopting MCP as their standard for tool integration","Developers building multi-client systems where consistent tool interfaces matter"],"limitations":["Reference implementation only — not production-hardened for high-concurrency or large-scale deployments","No built-in request queuing or rate limiting — relies on client-side throttling","JSON-RPC overhead adds ~5-15ms per operation compared to direct library calls"],"requires":["Node.js 18+ (TypeScript implementation)","MCP SDK for TypeScript (@modelcontextprotocol/sdk)","Transport mechanism (stdio, HTTP, or WebSocket server)"],"input_types":["JSON-RPC 2.0 requests with tool name and parameters","File paths (strings)","File content (text or base64-encoded binary)"],"output_types":["JSON-RPC 2.0 responses with tool results","File content (text or base64)","Structured metadata (file stats, directory listings)"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-filesystem__cap_1","uri":"capability://safety.moderation.configurable.path.based.access.control.with.allowlist.enforcement","name":"configurable path-based access control with allowlist enforcement","description":"Implements a security model where filesystem access is restricted to explicitly configured allowed paths (allowlist), preventing directory traversal and unauthorized file access. The server validates all incoming file paths against the allowlist before executing any operation, rejecting requests that attempt to access paths outside the permitted scope. Configuration is passed at server initialization time, allowing operators to define which directories or files LLM clients can interact with, with support for glob patterns or explicit path lists.","intents":["I need to sandbox LLM agent filesystem access to specific directories to prevent accidental or malicious file deletion","I want to expose only certain project directories to my Claude integration without giving it access to system files","I need to enforce per-client or per-session filesystem boundaries in a multi-tenant environment"],"best_for":["Security-conscious teams deploying LLM agents in shared or production environments","Multi-tenant SaaS platforms where data isolation is critical","Developers building agent systems with strict compliance requirements"],"limitations":["Allowlist must be configured at server startup — no runtime policy updates without restart","Symlink handling is basic — may not prevent all symlink-based escape attempts in complex filesystem layouts","No per-request or per-user granularity — all clients connected to a server instance share the same allowlist"],"requires":["Configuration file or environment variables specifying allowed paths","Absolute path resolution (relative paths converted to absolute before validation)","Node.js filesystem APIs (fs module)"],"input_types":["File paths (strings, relative or absolute)","Configuration: allowlist array or glob patterns"],"output_types":["Access granted/denied decision (boolean)","Error message if path is outside allowlist"],"categories":["safety-moderation","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-filesystem__cap_2","uri":"capability://data.processing.analysis.read.file.contents.with.text.and.binary.encoding.support","name":"read file contents with text and binary encoding support","description":"Provides a tool that reads file contents and returns them in the appropriate encoding (UTF-8 text or base64 binary), automatically detecting or accepting hints about file type. The implementation uses Node.js fs.readFile() with encoding parameters, returning text files as strings and binary files as base64-encoded strings to ensure JSON-RPC compatibility. The tool includes metadata about file size and encoding used, allowing clients to understand what they received.","intents":["I want my LLM agent to read source code files and analyze them for bugs or refactoring opportunities","I need to retrieve configuration files or documentation so the agent can understand project structure","I want the agent to read binary files (images, PDFs) and process them if needed"],"best_for":["Code analysis and refactoring workflows","Documentation retrieval for context-aware agents","Multi-format file processing pipelines"],"limitations":["Large files (>10MB) may cause memory issues or timeout — no streaming support","Binary files are base64-encoded, increasing payload size by ~33%","No automatic charset detection for non-UTF-8 text files — assumes UTF-8 or requires client hint"],"requires":["File must exist and be readable by the process user","Path must pass allowlist validation","Node.js fs module"],"input_types":["File path (string)","Optional: encoding hint (utf-8, base64, etc.)"],"output_types":["File contents (string for text, base64 for binary)","Metadata: file size, encoding used, MIME type (if detectable)"],"categories":["data-processing-analysis","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-filesystem__cap_3","uri":"capability://data.processing.analysis.write.and.create.files.with.atomic.write.semantics","name":"write and create files with atomic write semantics","description":"Provides a tool to write content to files, creating them if they don't exist or overwriting them if they do, with support for both text and base64-encoded binary content. The implementation uses Node.js fs.writeFile() which provides atomic semantics on most filesystems (write to temp file, then rename), ensuring partial writes don't corrupt files. The tool validates the target path against the allowlist and returns confirmation with file size written.","intents":["I want my LLM agent to generate code files and save them to disk","I need the agent to create configuration files or documentation based on its analysis","I want to ensure file writes are atomic so incomplete writes don't break my project"],"best_for":["Code generation and scaffolding workflows","Configuration file generation","Automated documentation creation"],"limitations":["No conflict detection — silently overwrites existing files without warning","No rollback mechanism — if a write fails partway through, the file may be left in an inconsistent state","Directory creation is not automatic — parent directories must exist or write fails"],"requires":["Target path must pass allowlist validation","Parent directory must exist and be writable","Sufficient disk space for file content","Node.js fs module"],"input_types":["File path (string)","File content (string for text, base64 for binary)","Optional: encoding hint"],"output_types":["Success confirmation with bytes written","File path and final size","Error message if write fails"],"categories":["data-processing-analysis","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-filesystem__cap_4","uri":"capability://data.processing.analysis.list.directory.contents.with.recursive.traversal.and.filtering","name":"list directory contents with recursive traversal and filtering","description":"Provides a tool to list files and subdirectories within a specified path, with optional recursive traversal to show the full directory tree. The implementation uses Node.js fs.readdirSync() or fs.promises.readdir() with recursive option, returning structured metadata for each entry (name, type, size, modification time). Clients can filter results by file type or pattern, and the tool respects the allowlist to prevent listing unauthorized directories.","intents":["I want my LLM agent to understand the structure of a project by listing all files and directories","I need the agent to find specific files by name or pattern within a directory tree","I want to give the agent visibility into what files exist so it can decide what to read or modify"],"best_for":["Project structure analysis and navigation","File discovery and search workflows","Codebase exploration for refactoring or analysis"],"limitations":["Large directory trees (>10k files) may cause performance issues — no pagination or streaming","Recursive traversal can be slow on network filesystems or with many symlinks","No filtering by file attributes (size, date, permissions) — only by name/type"],"requires":["Directory must exist and be readable","Path must pass allowlist validation","Node.js fs module with promises support"],"input_types":["Directory path (string)","Optional: recursive flag (boolean)","Optional: filter pattern (glob or regex)"],"output_types":["Array of directory entries with metadata","Per-entry: name, type (file/directory), size, mtime","Total count of entries"],"categories":["data-processing-analysis","search-retrieval"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-filesystem__cap_5","uri":"capability://automation.workflow.delete.files.and.directories.with.recursive.removal.option","name":"delete files and directories with recursive removal option","description":"Provides a tool to delete files or directories, with an optional recursive flag to remove non-empty directories and their contents. The implementation uses Node.js fs.rmSync() or fs.promises.rm() with recursive option, validating the target path against the allowlist before deletion. The tool returns confirmation of what was deleted and the number of files/directories removed.","intents":["I want my LLM agent to clean up temporary files or build artifacts","I need the agent to remove entire project directories as part of a cleanup workflow","I want to ensure deletions are safe by requiring explicit allowlist configuration"],"best_for":["Cleanup and maintenance workflows","Build artifact removal","Project reset or initialization scripts"],"limitations":["No undo or trash — deletions are permanent and irreversible","Recursive deletion of large directory trees can be slow (no progress reporting)","No dry-run mode — clients cannot preview what will be deleted before confirming"],"requires":["Target path must pass allowlist validation","File or directory must exist and be writable","Node.js fs module"],"input_types":["File or directory path (string)","Optional: recursive flag (boolean, required for non-empty directories)"],"output_types":["Success confirmation","Path deleted and count of items removed","Error message if deletion fails"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-filesystem__cap_6","uri":"capability://automation.workflow.move.and.rename.files.with.path.validation.and.conflict.handling","name":"move and rename files with path validation and conflict handling","description":"Provides a tool to move files from one location to another or rename them, with validation that both source and destination paths pass the allowlist. The implementation uses Node.js fs.renameSync() or fs.promises.rename(), which is atomic on most filesystems. The tool handles conflicts by either failing if the destination exists or optionally overwriting, depending on configuration.","intents":["I want my LLM agent to reorganize files within an allowed directory structure","I need the agent to rename files as part of a refactoring or cleanup workflow","I want to ensure moves don't escape the allowlist boundaries"],"best_for":["File organization and refactoring workflows","Automated file renaming based on content analysis","Project structure reorganization"],"limitations":["No cross-filesystem moves — rename fails if source and destination are on different filesystems","Atomic semantics only guaranteed on same filesystem — cross-filesystem moves may leave partial state","No progress reporting for large files — operation blocks until complete"],"requires":["Both source and destination paths must pass allowlist validation","Source file must exist and be readable","Destination parent directory must exist and be writable","Node.js fs module"],"input_types":["Source path (string)","Destination path (string)","Optional: overwrite flag (boolean)"],"output_types":["Success confirmation","Source and destination paths","Error message if move fails"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-filesystem__cap_7","uri":"capability://data.processing.analysis.get.file.metadata.and.stats.without.reading.content","name":"get file metadata and stats without reading content","description":"Provides a tool to retrieve file or directory metadata (size, modification time, permissions, type) without reading the full file content, using Node.js fs.statSync() or fs.promises.stat(). This is efficient for large files where only metadata is needed. The tool returns structured information about file type, size in bytes, creation/modification/access times, and permission bits.","intents":["I want my LLM agent to check file sizes before deciding whether to read them","I need the agent to find recently modified files for analysis or backup","I want to understand file permissions and ownership without reading content"],"best_for":["File filtering and selection workflows","Size-based decision making in agents","Metadata-driven file processing"],"limitations":["Does not follow symlinks by default — returns stats of the symlink itself, not the target","Permission bits are OS-specific (Unix vs Windows) — interpretation varies","No extended attributes or ACLs — only basic POSIX metadata"],"requires":["File or directory must exist","Path must pass allowlist validation","Node.js fs module"],"input_types":["File or directory path (string)","Optional: follow symlinks flag (boolean)"],"output_types":["Structured metadata object","Fields: size (bytes), type (file/directory/symlink), mtime, ctime, atime, mode (permissions)"],"categories":["data-processing-analysis","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-filesystem__cap_8","uri":"capability://automation.workflow.create.directories.with.parent.path.creation.option","name":"create directories with parent path creation option","description":"Provides a tool to create directories, with an optional flag to create parent directories if they don't exist (mkdir -p behavior). The implementation uses Node.js fs.mkdirSync() or fs.promises.mkdir() with recursive option, validating the target path against the allowlist. The tool returns confirmation of the created directory path.","intents":["I want my LLM agent to create directory structures for new projects or features","I need the agent to set up nested directory hierarchies without manual parent creation","I want to ensure directory creation respects the allowlist boundaries"],"best_for":["Project scaffolding and initialization","Automated directory structure creation","Build and deployment workflows"],"limitations":["No permission control — created directories use default umask","Fails if parent directory is not writable, even with recursive flag","No idempotency — fails if directory already exists (unless wrapped with error handling)"],"requires":["Target path must pass allowlist validation","Parent directory must exist and be writable (unless recursive flag is set)","Node.js fs module"],"input_types":["Directory path (string)","Optional: recursive flag (boolean, creates parents if true)"],"output_types":["Success confirmation","Created directory path","Error message if creation fails"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-filesystem__cap_9","uri":"capability://automation.workflow.copy.files.and.directories.with.recursive.copy.support","name":"copy files and directories with recursive copy support","description":"Provides a tool to copy files or directories from one location to another, with optional recursive copying for directory trees. The implementation uses Node.js fs.cpSync() or fs.promises.cp() (Node 16.7+), validating both source and destination paths against the allowlist. The tool preserves file metadata (permissions, timestamps) and handles both files and directories uniformly.","intents":["I want my LLM agent to duplicate files or entire project structures","I need the agent to create backups of important files before modifications","I want to copy templates or boilerplate code to new locations"],"best_for":["File duplication and backup workflows","Template-based project creation","Configuration file copying"],"limitations":["Recursive copy of large directory trees can be slow — no progress reporting","Symlinks are followed by default — may cause infinite loops if not careful","No incremental copy — always copies full content even if destination partially exists"],"requires":["Both source and destination paths must pass allowlist validation","Source file or directory must exist and be readable","Destination parent directory must exist and be writable","Node.js 16.7+ for fs.cp() support"],"input_types":["Source path (string)","Destination path (string)","Optional: recursive flag (boolean)","Optional: overwrite flag (boolean)"],"output_types":["Success confirmation","Source and destination paths","Count of files/directories copied","Error message if copy fails"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":27,"verified":false,"data_access_risk":"high","permissions":["Node.js 18+ (TypeScript implementation)","MCP SDK for TypeScript (@modelcontextprotocol/sdk)","Transport mechanism (stdio, HTTP, or WebSocket server)","Configuration file or environment variables specifying allowed paths","Absolute path resolution (relative paths converted to absolute before validation)","Node.js filesystem APIs (fs module)","File must exist and be readable by the process user","Path must pass allowlist validation","Node.js fs module","Target path must pass allowlist validation"],"failure_modes":["Reference implementation only — not production-hardened for high-concurrency or large-scale deployments","No built-in request queuing or rate limiting — relies on client-side throttling","JSON-RPC overhead adds ~5-15ms per operation compared to direct library calls","Allowlist must be configured at server startup — no runtime policy updates without restart","Symlink handling is basic — may not prevent all symlink-based escape attempts in complex filesystem layouts","No per-request or per-user granularity — all clients connected to a server instance share the same allowlist","Large files (>10MB) may cause memory issues or timeout — no streaming support","Binary files are base64-encoded, increasing payload size by ~33%","No automatic charset detection for non-UTF-8 text files — assumes UTF-8 or requires client hint","No conflict detection — silently overwrites existing files without warning","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.05,"quality":0.3,"ecosystem":0.39999999999999997,"match_graph":0.25,"freshness":0.52,"weights":{"adoption":0.25,"quality":0.25,"ecosystem":0.15,"match_graph":0.23,"freshness":0.12}},"observed_outcomes":{"matches":0,"success_rate":0,"avg_confidence":0,"top_intents":[],"last_matched_at":null},"maintenance":{"status":"active","updated_at":"2026-06-17T09:51:03.039Z","last_scraped_at":"2026-05-03T14:00:15.503Z","last_commit":null},"community":{"stars":null,"forks":null,"weekly_downloads":null,"model_downloads":null,"model_likes":null}},"distribution":{"claim_url":"https://unfragile.ai/submit?claim=filesystem","compare_url":"https://unfragile.ai/compare?artifact=filesystem"}},"signature":"M/KV2vA4pHAf6DYlhxZvbeRQGgIiC32ePPMoUJ5Xmq9/2nJ4Hy5XhjZ3VbG19LKZxu9xtzz/KdGVAGiQH2YxCQ==","signedAt":"2026-06-22T00:30:58.920Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/filesystem","artifact":"https://unfragile.ai/filesystem","verify":"https://unfragile.ai/api/v1/verify?slug=filesystem","publicKey":"https://unfragile.ai/api/v1/trust-passport-public-key","spec":"https://unfragile.ai/trust","schema":"https://unfragile.ai/schema.json","docs":"https://unfragile.ai/docs"}}