Filesystem vs Ownership Attestation Protocol

A side-by-side look at the Filesystem and Ownership Attestation Protocol MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Filesystem logoFilesystemFile Systems · Local subprocess (stdio)Secure file operations with configurable access controls.85ExcellentAuth: no auth requiredOwnership Attestation Protocol logoOwnership Attestation ProtocolAgreements & Coordination · Remote HTTP/SSEMCP protocol enforcing explicit task acceptance and attestation-tagged completion claims.39FairAuth: not declared

Verdict: choose Filesystem for file systems work as a local process; choose Ownership Attestation Protocol for agreements & coordination over a hosted endpoint. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Filesystem logoChoose Filesystem when

  • You need dedicated capabilities in the File Systems domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
  • You want tools like path, head, tail.
Explore Filesystem

Ownership Attestation Protocol logoChoose Ownership Attestation Protocol when

  • You need dedicated capabilities in the Agreements & Coordination domain.
  • You prefer a remote HTTP/SSE transport.
  • You have the keys it needs: DATABASE_URL, MCP_ACCESS_TOKEN.
Explore Ownership Attestation Protocol

Feature & specification comparison

Rows where the two servers differ are marked.

SpecFilesystem logoFilesystemOwnership Attestation Protocol logoOwnership Attestation Protocol
CategoryFile SystemsAgreements & Coordination
Quality signal85/100 · Excellent39/100 · Fair
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Remote HTTP/SSE
AuthNo auth requiredNot declared
PricingFreeNot declared
Required env varsNone listedDATABASE_URLMCP_ACCESS_TOKEN
Verified owner VerifiedCommunity listing
GitHub stars91,5121
Directory activity 10 views 0 installs 0 upvotes 2 views 0 installs 0 upvotes
Tools17Not listed

Tools & capabilities

Filesystem tools 17

  • path
  • head
  • tail
  • paths
  • content
  • edits
  • oldText
  • newText
  • dryRun
  • sortBy
  • source
  • destination
  • +5 more on the listing page

Ownership Attestation Protocol tools

No tool names declared yet. Check the project README from the listing page.

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

Filesystem

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-filesystem"
      ]
    }
  }
}

Ownership Attestation Protocol

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "ownership-attestation-protocol": {
      "url": "http://localhost:5000/mcp"
    }
  }
}

Frequently asked questions

Filesystem is categorized under File Systems and uses a local stdio subprocess. Ownership Attestation Protocol belongs to Agreements & Coordination and uses a remote HTTP/SSE transport. Pick Filesystem for file systems work and Ownership Attestation Protocol for agreements & coordination.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

Filesystem is listed as free. Auth: no auth required. Ownership Attestation Protocol has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add filesystem and ownership-attestation-protocol as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Filesystem has a quality signal of 85/100 (Excellent) with 10 views, 0 installs and 91,512 GitHub stars. Ownership Attestation Protocol has 39/100 (Fair) with 2 views, 0 installs and 1 GitHub stars.