FaultKey · CausalLayer vs Texas Ag Opinions

A side-by-side look at the FaultKey · CausalLayer and Texas Ag Opinions MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

FaultKey · CausalLayer logoFaultKey · CausalLayerLegal · Local subprocess (stdio)Deterministic AI-liability attribution: signed, Bitcoin-anchored vendor/deployer/user fault split.53GoodAuth: not declaredTexas Ag Opinions logoTexas Ag OpinionsLegal · Local subprocess (stdio)Texas Attorney General opinions — statute-citation search over recorded45FairAuth: no auth required

Verdict: choose FaultKey · CausalLayer for legal work as a local process; choose Texas Ag Opinions for legal as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

FaultKey · CausalLayer logoChoose FaultKey · CausalLayer when

  • You need dedicated capabilities in the Legal domain.
  • You prefer a local stdio subprocess transport.
  • You want tools like submit_incident, verify_certificate, get_anchor_status.
Explore FaultKey · CausalLayer

Texas Ag Opinions logoChoose Texas Ag Opinions when

  • You need dedicated capabilities in the Legal domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
Explore Texas Ag Opinions

Feature & specification comparison

Rows where the two servers differ are marked.

SpecFaultKey · CausalLayer logoFaultKey · CausalLayerTexas Ag Opinions logoTexas Ag Opinions
CategoryLegalLegal
Quality signal53/100 · Good45/100 · Fair
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNot declaredNo auth required
PricingNot declaredFree
Required env varsNone listedNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars20
Directory activity 2 views 0 installs 0 upvotes 1 views 0 installs 0 upvotes
Tools4Not listed

Tools & capabilities

FaultKey · CausalLayer tools 4

  • submit_incidentSubmit an AI incident for deterministic liability attribution. Returns a signed `CausalCertificateV1` with per-agent fault allocation, evidence-chain completeness, and Bitcoin-anchored proof.
  • verify_certificateIndependently verify a certificate (signature, Merkle integrity, issuer status) without calling FaultKey.
  • get_anchor_statusReturn the index of all Tessera anchor batches or one batch's full JSON (signed Merkle root, OpenTimestamps proof reference).
  • query_issuer_registryList all trusted CausalLayer issuer public-key fingerprints, status, and validity windows.

Texas Ag Opinions 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.

FaultKey · CausalLayer

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "faultkey-causallayer": {
      "command": "npx",
      "args": [
        "-y",
        "causallayer-mcp"
      ]
    }
  }
}

Texas Ag Opinions

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "texas-ag-opinions": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-texas-ag-opinions"
      ]
    }
  }
}

Frequently asked questions

FaultKey · CausalLayer is categorized under Legal and uses a local stdio subprocess. Texas Ag Opinions belongs to Legal and uses a local stdio subprocess. Pick FaultKey · CausalLayer for legal work and Texas Ag Opinions for legal.

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.

FaultKey · CausalLayer has no declared pricing — check the project's own site. Texas Ag Opinions is listed as free. Auth: no auth required. 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 faultkey-causallayer and texas-ag-opinions as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, FaultKey · CausalLayer has a quality signal of 53/100 (Good) with 2 views, 0 installs and 2 GitHub stars. Texas Ag Opinions has 45/100 (Fair) with 1 views, 0 installs and 0 GitHub stars.