What can @adisuryanathanael/mcp-server-filesystem2 do?

mcp-compliant filesystem read access with sandboxed directory traversal, mcp resource endpoint registration for filesystem paths, directory listing with recursive traversal and metadata extraction, path validation and traversal attack prevention, mcp server lifecycle management and protocol handshake, file content retrieval with encoding detection and format handling

@adisuryanathanael/mcp-server-filesystem2

MCP ServerFree

MCP-compatible server tool for filesystem access from https://github.com/adisuryanathan/modelcontextprotocol-servers.git

Open Source

/ 100

6 capabilities

Capabilities6 decomposed

mcp-compliant filesystem read access with sandboxed directory traversal

Medium confidence

Implements the Model Context Protocol specification for read-only filesystem operations, allowing LLM clients to request file contents and directory listings through standardized MCP resource endpoints. Uses a sandboxed root directory constraint to prevent path traversal attacks, validating all requested paths against the configured base directory before returning file contents or directory metadata.

Solves for

Allow an LLM agent to read source code files from a project directory to understand codebase structureEnable Claude or other MCP-compatible clients to inspect configuration files, documentation, and logs during problem-solvingProvide safe, controlled filesystem access to AI tools without exposing the entire system filesystem

Best for

AI agent developers building LLM-powered code analysis tools

Teams integrating Claude or other MCP-compatible models into development workflows

Developers needing secure filesystem access for AI without implementing custom security layers

Requires

Node.js 16+ runtime

MCP client implementation (Claude Desktop, custom MCP client, or compatible tool)

Filesystem read permissions on the target directory and all subdirectories

Limitations

Read-only access — cannot modify, create, or delete files through this capability

Sandboxing limited to single root directory — cannot access files outside configured base path

No built-in caching — each file read request hits disk, potentially slow for large codebases

What makes it unique

Implements MCP protocol natively as a Node.js server, providing direct filesystem access through standardized MCP resource endpoints rather than wrapping existing tools or APIs. Uses directory-level sandboxing to prevent traversal attacks while maintaining simplicity.

vs alternatives

Simpler and more direct than custom REST APIs for filesystem access, and MCP-native unlike generic file-serving tools, enabling seamless integration with Claude and other MCP-compatible clients without adapter code.

mcp resource endpoint registration for filesystem paths

Medium confidence

Registers filesystem paths as MCP resources with URI schemes (e.g., 'file://'), allowing MCP clients to discover and request specific files or directories through the protocol's resource discovery mechanism. Implements MCP resource handlers that map incoming resource requests to filesystem operations, translating MCP resource URIs into safe filesystem paths.

Solves for

Enable LLM clients to discover available files and directories through MCP resource listingAllow clients to request specific files by URI without needing to know exact filesystem pathsProvide metadata about files (size, modification time, type) through MCP resource descriptions

Best for

MCP client developers building intelligent file browsers or code explorers

Teams standardizing on MCP for AI-assisted development tools

Developers integrating filesystem access into multi-tool MCP server setups

Requires

MCP client that supports resource discovery (Claude Desktop 0.1.0+, custom MCP clients)

Proper MCP server initialization and resource handler registration

Limitations

Resource discovery limited to configured root directory — cannot expose arbitrary filesystem locations

URI scheme mapping is static — cannot dynamically register new paths at runtime

No built-in resource filtering — all files in root directory are discoverable (privacy concern for sensitive projects)

What makes it unique

Implements full MCP resource protocol including discovery, metadata, and content delivery, rather than just exposing raw filesystem operations. Uses URI-based addressing to abstract filesystem paths from client code.

vs alternatives

More discoverable than raw filesystem APIs because clients can browse available resources; more standardized than custom resource systems because it follows MCP specification.

directory listing with recursive traversal and metadata extraction

Medium confidence

Provides directory enumeration that returns file and subdirectory listings with metadata (file size, modification timestamps, file type/extension) for each entry. Supports recursive directory traversal to build complete directory trees, with configurable depth limits to prevent performance degradation on large codebases. Implements efficient filesystem stat calls to gather metadata without loading file contents.

Solves for

Allow an LLM to understand project structure by listing all files and directories in a codebaseEnable AI agents to identify relevant files (by extension or name pattern) before reading their contentsProvide directory tree visualization for code navigation and analysis tasks

Best for

Code analysis agents that need to map project structure before diving into specific files

Development tools building AI-powered code explorers or documentation generators

Teams using LLMs for codebase refactoring or migration tasks

Requires

Read permissions on all directories in traversal path

Sufficient memory to hold directory listing in memory (can be large for big projects)

Limitations

Recursive traversal can be slow on very large directory trees (100k+ files) — no built-in pagination

Metadata extraction requires filesystem stat calls for each entry — O(n) complexity per directory

No filtering by file type or pattern — returns all entries, requiring client-side filtering

What makes it unique

Combines directory enumeration with metadata extraction in a single operation, avoiding multiple filesystem calls. Exposes metadata through MCP protocol, making it accessible to LLM clients without custom parsing.

vs alternatives

More efficient than separate stat calls for each file; more structured than raw `ls` output because it includes metadata and tree relationships; MCP-native unlike shell commands.

path validation and traversal attack prevention

Medium confidence

Implements path normalization and validation logic that prevents directory traversal attacks (e.g., `../../../etc/passwd`) by resolving all paths relative to a configured root directory and rejecting any paths that escape the root. Uses canonical path resolution (resolving symlinks and `.` / `..` components) to ensure that even obfuscated paths cannot access files outside the sandbox.

Solves for

Ensure that LLM clients cannot accidentally or maliciously access files outside the intended project directoryPrevent security vulnerabilities when exposing filesystem access to untrusted AI models or clientsMaintain a clear security boundary for filesystem operations in multi-tenant or shared environments

Best for

Production deployments of MCP filesystem servers in shared or multi-tenant environments

Teams with strict security requirements for AI-assisted development tools

Developers building LLM agents that interact with untrusted or user-provided filesystem paths

Requires

Proper configuration of root directory before server startup

Filesystem permissions that prevent the server process from accessing files outside the root

Limitations

Symlink resolution may reveal information about filesystem structure outside the sandbox (symlink targets are resolved)

Performance overhead from path canonicalization — adds ~1-5ms per request

Cannot access files through symlinks that point outside the root directory — legitimate use cases may be blocked

What makes it unique

Implements canonical path resolution with root directory anchoring, preventing both simple (`../`) and obfuscated traversal attempts. Validates paths before any filesystem operation, failing fast on invalid requests.

vs alternatives

More robust than simple string prefix checking because it handles symlinks and path normalization; more secure than no validation because it prevents common attack vectors.

mcp server lifecycle management and protocol handshake

Medium confidence

Implements the full MCP server lifecycle including initialization, capability negotiation with clients, and graceful shutdown. Handles the MCP protocol handshake where the server declares its supported capabilities (resources, tools, prompts) and the client confirms compatibility. Manages server state, connection handling, and error responses according to MCP specification.

Solves for

Establish a compliant MCP connection with Claude Desktop or other MCP clientsAdvertise filesystem access capabilities to clients so they know what operations are availableHandle protocol errors and version mismatches gracefully without crashing

Best for

Developers building MCP servers for the first time and needing reference implementations

Teams integrating multiple MCP servers and needing consistent lifecycle management

Production deployments requiring reliable server startup and shutdown

Requires

MCP protocol specification understanding

Proper stdio/transport configuration for MCP client communication

Limitations

No built-in authentication or authorization — all connected clients have same access level

Single-threaded or limited concurrency — may not handle many simultaneous client connections efficiently

No automatic reconnection logic — clients must reconnect if server restarts

What makes it unique

Implements complete MCP server lifecycle as a Node.js module, handling protocol handshake and state management. Exposes filesystem capabilities through standardized MCP capability declarations.

vs alternatives

More complete than minimal MCP implementations because it handles full lifecycle; more maintainable than custom protocol implementations because it follows MCP specification.

file content retrieval with encoding detection and format handling

Medium confidence

Retrieves file contents with automatic encoding detection (UTF-8, ASCII, binary) and returns contents in appropriate format (text for readable files, base64 for binary). Handles large files by reading them into memory and transmitting through MCP protocol, with optional size limits to prevent memory exhaustion. Supports both text and binary file types transparently.

Solves for

Allow LLM agents to read source code files in their native encoding without manual conversionEnable inspection of binary files (images, compiled code) by returning base64-encoded contentPrevent encoding errors when reading files with mixed or non-UTF-8 encodings

Best for

Code analysis agents that need to read source files in various languages and encodings

Development tools that need to inspect both text and binary project artifacts

Teams working with international projects using non-ASCII character encodings

Requires

Sufficient memory to hold largest file in project

Filesystem read permissions on target files

Limitations

No streaming for large files — entire file loaded into memory before transmission

Encoding detection heuristic may fail for ambiguous files — may return incorrect encoding

Binary files returned as base64 — increases payload size by ~33% compared to raw binary

What makes it unique

Automatically detects file encoding and returns appropriate format (text vs base64) without client configuration. Handles both text and binary files transparently through MCP protocol.

vs alternatives

More convenient than requiring clients to specify encoding; more robust than assuming UTF-8 because it detects actual file encoding; more compatible than raw binary because base64 works reliably over text protocols.

Capabilities are decomposed by AI analysis. Each maps to specific user intents and improves with match feedback.

Related Artifactssharing capabilities

Artifacts that share capabilities with @adisuryanathanael/mcp-server-filesystem2, ranked by overlap. Discovered automatically through the match graph.

MCP Server21

@agent-infra/mcp-server-filesystem

MCP server for filesystem access

directory listing and filesystem traversal via mcppath validation and security boundary enforcementmcp-compliant filesystem read operations with streaming supportfile metadata inspection and stat operations via mcp

4 shared capabilities

MCP Server38

@modelcontextprotocol/server-filesystem

MCP server for filesystem access

sandboxed-filesystem-read-accessmcp-resource-definition-and-discoveryconfigurable-root-directory-isolation

3 shared capabilities

MCP Server43

@modelcontextprotocol/server-filesystem

MCP server for filesystem access

mcp-resource-discovery-and-listinglocal-filesystem-read-access-via-mcppath-validation-and-sandboxing

3 shared capabilities

MCP Server46

Filesystem MCP Server

Read, write, and manage local filesystem resources via MCP.

sandboxed-filesystem-read-with-path-validationmcp-resource-exposure-for-file-metadata

2 shared capabilities

MCP Server40

servers

Model Context Protocol Servers

filesystem server with sandboxed directory access and path validation

1 shared capability

MCP Server21

mcp-demo-example

MCP demo — ReAct agent using @modelcontextprotocol/server-filesystem via @flomatai/mcp-client

filesystem operation sandboxing via mcp server

1 shared capability

Best For

✓AI agent developers building LLM-powered code analysis tools
✓Teams integrating Claude or other MCP-compatible models into development workflows
✓Developers needing secure filesystem access for AI without implementing custom security layers
✓MCP client developers building intelligent file browsers or code explorers
✓Teams standardizing on MCP for AI-assisted development tools
✓Developers integrating filesystem access into multi-tool MCP server setups
✓Code analysis agents that need to map project structure before diving into specific files
✓Development tools building AI-powered code explorers or documentation generators

Known Limitations

⚠Read-only access — cannot modify, create, or delete files through this capability
⚠Sandboxing limited to single root directory — cannot access files outside configured base path
⚠No built-in caching — each file read request hits disk, potentially slow for large codebases
⚠No streaming for large files — entire file contents loaded into memory before transmission
⚠Resource discovery limited to configured root directory — cannot expose arbitrary filesystem locations
⚠URI scheme mapping is static — cannot dynamically register new paths at runtime

Requirements

Node.js 16+ runtimeMCP client implementation (Claude Desktop, custom MCP client, or compatible tool)Filesystem read permissions on the target directory and all subdirectoriesMCP client that supports resource discovery (Claude Desktop 0.1.0+, custom MCP clients)Proper MCP server initialization and resource handler registrationRead permissions on all directories in traversal pathSufficient memory to hold directory listing in memory (can be large for big projects)Proper configuration of root directory before server startup

Input / Output

Accepts: file paths (relative to configured root), directory paths, glob patterns (if supported), MCP resource URIs (file:// scheme), resource discovery requests, directory path (relative to root), recursion depth limit (optional), file paths (potentially malicious or obfuscated), MCP initialization requests, capability negotiation messages, file path (relative to root)

Produces: file contents (text/binary as UTF-8 or base64), directory listings with file metadata, error responses for invalid paths or permission issues, MCP resource objects with metadata, file contents via resource handlers, resource listing responses, structured directory listing with file metadata, file size, modification time, type/extension for each entry, nested directory tree structure, validated canonical paths, error responses for invalid paths, MCP initialization responses, capability declarations, error responses, file contents as UTF-8 text, file contents as base64-encoded binary, file metadata (size, encoding, type)

UnfragileRank

Adoption15%(30% weight)

Quality22%(25% weight)

Ecosystem40%(25% weight)

Match Graph10%(15% weight)

Freshness75%(5% weight)

UnfragileRank is computed from adoption signals, documentation quality, ecosystem connectivity, match graph feedback, and freshness. No artifact can pay for a higher rank.

Type: MCP Server

6 capabilities

Visit @adisuryanathanael/mcp-server-filesystem2→

Package Details

npm

Registry

1.0.0

Version

Weekly Downloads

About

MCP-compatible server tool for filesystem access from https://github.com/adisuryanathan/modelcontextprotocol-servers.git

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Capabilities6 decomposed

mcp-compliant filesystem read access with sandboxed directory traversal

Medium confidence

Solves for

Best for

AI agent developers building LLM-powered code analysis tools

Teams integrating Claude or other MCP-compatible models into development workflows

Developers needing secure filesystem access for AI without implementing custom security layers

Requires

Node.js 16+ runtime

MCP client implementation (Claude Desktop, custom MCP client, or compatible tool)

Filesystem read permissions on the target directory and all subdirectories

Limitations

Read-only access — cannot modify, create, or delete files through this capability

Sandboxing limited to single root directory — cannot access files outside configured base path

No built-in caching — each file read request hits disk, potentially slow for large codebases

What makes it unique

vs alternatives

mcp resource endpoint registration for filesystem paths

Medium confidence

Solves for

Best for

MCP client developers building intelligent file browsers or code explorers

Teams standardizing on MCP for AI-assisted development tools

Developers integrating filesystem access into multi-tool MCP server setups

Requires

MCP client that supports resource discovery (Claude Desktop 0.1.0+, custom MCP clients)

Proper MCP server initialization and resource handler registration

Limitations

Resource discovery limited to configured root directory — cannot expose arbitrary filesystem locations

URI scheme mapping is static — cannot dynamically register new paths at runtime

No built-in resource filtering — all files in root directory are discoverable (privacy concern for sensitive projects)

What makes it unique

vs alternatives

More discoverable than raw filesystem APIs because clients can browse available resources; more standardized than custom resource systems because it follows MCP specification.

directory listing with recursive traversal and metadata extraction

Medium confidence

Solves for

Best for

Code analysis agents that need to map project structure before diving into specific files

Development tools building AI-powered code explorers or documentation generators

Teams using LLMs for codebase refactoring or migration tasks

Requires

Read permissions on all directories in traversal path

Sufficient memory to hold directory listing in memory (can be large for big projects)

Limitations

Recursive traversal can be slow on very large directory trees (100k+ files) — no built-in pagination

Metadata extraction requires filesystem stat calls for each entry — O(n) complexity per directory

No filtering by file type or pattern — returns all entries, requiring client-side filtering

What makes it unique

vs alternatives

More efficient than separate stat calls for each file; more structured than raw `ls` output because it includes metadata and tree relationships; MCP-native unlike shell commands.

path validation and traversal attack prevention

Medium confidence

Solves for

Best for

Production deployments of MCP filesystem servers in shared or multi-tenant environments

Teams with strict security requirements for AI-assisted development tools

Developers building LLM agents that interact with untrusted or user-provided filesystem paths

Requires

Proper configuration of root directory before server startup

Filesystem permissions that prevent the server process from accessing files outside the root

Limitations

Symlink resolution may reveal information about filesystem structure outside the sandbox (symlink targets are resolved)

Performance overhead from path canonicalization — adds ~1-5ms per request

Cannot access files through symlinks that point outside the root directory — legitimate use cases may be blocked

What makes it unique

vs alternatives

More robust than simple string prefix checking because it handles symlinks and path normalization; more secure than no validation because it prevents common attack vectors.

mcp server lifecycle management and protocol handshake

Medium confidence

Solves for

Best for

Developers building MCP servers for the first time and needing reference implementations

Teams integrating multiple MCP servers and needing consistent lifecycle management

Production deployments requiring reliable server startup and shutdown

Requires

MCP protocol specification understanding

Proper stdio/transport configuration for MCP client communication

Limitations

No built-in authentication or authorization — all connected clients have same access level

Single-threaded or limited concurrency — may not handle many simultaneous client connections efficiently

No automatic reconnection logic — clients must reconnect if server restarts

What makes it unique

Implements complete MCP server lifecycle as a Node.js module, handling protocol handshake and state management. Exposes filesystem capabilities through standardized MCP capability declarations.

vs alternatives

More complete than minimal MCP implementations because it handles full lifecycle; more maintainable than custom protocol implementations because it follows MCP specification.

file content retrieval with encoding detection and format handling

Medium confidence

Solves for

Best for

Code analysis agents that need to read source files in various languages and encodings

Development tools that need to inspect both text and binary project artifacts

Teams working with international projects using non-ASCII character encodings

Requires

Sufficient memory to hold largest file in project

Filesystem read permissions on target files

Limitations

No streaming for large files — entire file loaded into memory before transmission

Encoding detection heuristic may fail for ambiguous files — may return incorrect encoding

Binary files returned as base64 — increases payload size by ~33% compared to raw binary

What makes it unique

Automatically detects file encoding and returns appropriate format (text vs base64) without client configuration. Handles both text and binary files transparently through MCP protocol.

vs alternatives

Capabilities are decomposed by AI analysis. Each maps to specific user intents and improves with match feedback.

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@adisuryanathanael/mcp-server-filesystem2

Capabilities6 decomposed

mcp-compliant filesystem read access with sandboxed directory traversal

mcp resource endpoint registration for filesystem paths

directory listing with recursive traversal and metadata extraction

path validation and traversal attack prevention

mcp server lifecycle management and protocol handshake

file content retrieval with encoding detection and format handling

Related Artifactssharing capabilities

@agent-infra/mcp-server-filesystem

@modelcontextprotocol/server-filesystem

@modelcontextprotocol/server-filesystem

Filesystem MCP Server

servers

mcp-demo-example

Best For

Known Limitations

Requirements

Input / Output

UnfragileRank

Package Details

About

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@adisuryanathanael/mcp-server-filesystem2

Capabilities6 decomposed

mcp-compliant filesystem read access with sandboxed directory traversal

mcp resource endpoint registration for filesystem paths

directory listing with recursive traversal and metadata extraction

path validation and traversal attack prevention

mcp server lifecycle management and protocol handshake

file content retrieval with encoding detection and format handling

Related Artifactssharing capabilities

@agent-infra/mcp-server-filesystem

@modelcontextprotocol/server-filesystem

@modelcontextprotocol/server-filesystem

Filesystem MCP Server

servers

mcp-demo-example

Best For

Known Limitations

Requirements

Input / Output

UnfragileRank

Package Details

About

Categories

Alternatives to @adisuryanathanael/mcp-server-filesystem2

Are you the builder of @adisuryanathanael/mcp-server-filesystem2?

Get the weekly brief

Data Sources