An astronaut overseeing a futuristic data hub

Connect Cryptographic Action Attestor to ChatGPT and Claude

Set it up once and it works in ChatGPT, Claude, Cursor, and any other client you love. It all runs safely in the background, so you can relax and focus on what really matters. Build an unchangeable record of every agent action.

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Your AI does the work. We keep it safe and sound.

No other AI tool gives you this. Your workflow runs in the client you already love, your account stays protected, and you decide what the agent can and cannot do. It is the whole reason to make the switch.

Each Connector lives inside our infrastructure, the same place where your workflow runs. The three things below are already part of it, working quietly in the background so you never have to think about them. Nothing to add, nothing to set up, nothing to worry about.

A futuristic MCP client docking bay
V8 Isolate01

Each Connector runs inside its own sealed environment.

Each Connector runs inside its own sealed V8 runtime — no access to your files, your system, or other servers. A Connector never sees past its own request.

Kill Switch02

One switch stops every agent. Instantly.

One action deactivates every Connector, revokes every token, and ends every session at once. AI Governance keeps the record.

FinOps per User03

Spending limits that pause instead of surprise.

Every user keeps their own connections and credentials, isolated from everyone else. Anything that would cross your spending limit is held for your approval, not billed.

Three controls, built into the layer your AI connects through.

Curated set · 2 capabilities

We ship only the actions that matter.

Capability set01 / 01

01-02

2 capabilities in this set.

Part of 2 available through Cryptographic Action Attestor.

  1. 01

    Attest action

    Records a new event by computing a SHA-256 hash and appending it to the ledger.

  2. 02

    Get audit log status

    Checks the current size of the log and verifies that the history remains untampered.

Real work

What teams actually run

01

Autonomous Agent Auditing

Keep a permanent record of what an agent did while you were away.

02

Security Compliance

Maintain a tamper-proof log of capability calls for regulatory requirements.

03

System Debugging

Trace the exact sequence of capability parameters used during a failed execution.

04

Forensic Analysis

Verify the integrity of an action history after a suspected system breach.

One connector, every AI

Cryptographic Action Attestor works with the most popular AI clients.

These are the most popular clients, each with a step-by-step guide: one link, set up once, with governance and visibility built in. And because everything runs on the MCP standard, the same connection also works in any other compatible client — nothing to rebuild.

Building your own app? The connector is yours to use.

You don't need a client to put Cryptographic Action Attestor to work: the same hosted connection plugs into your own applications and agent code, with the same governance on every request. Build with it, chat with it — one connection for both.

Observed, not estimated

681ms average. Fast in production.

Cryptographic Action Attestor is checked daily against the live service.

Daily averagePeak 868ms
Oct 3Today
Fastest day
538ms
Slowest day
868ms
14-day trend
Slowing+12%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 2 capabilities arrive ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Cryptographic Action Attestor, so you can see the experience inside your AI.

It does not authenticate your account with Cryptographic Action Attestor. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

Cryptographic Action Attestor Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_eptrqhU3rW1f8B3b4S05LGDksKEimylFIeGLQkDW/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — Cryptographic Action Attestor capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "cryptographic-action-attestor-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_eptrqhU3rW1f8B3b4S05LGDksKEimylFIeGLQkDW/mcp"
    }
  }
}
  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Step-by-step instructions for each client are in the guide. How to connect

Guided setup for Claude? Set up Cryptographic Action Attestor in Claude and other AIs

See all the AI clients this connector works with ↑

Who it's for

Built for the work Cryptographic Action Attestor owners hand off.

This MCP is built for developers and engineers managing autonomous agents that require strict oversight.

  • 01

    AI Engineers

    Building autonomous workflows that need a verifiable history of execution.

  • 02

    Security Researchers

    Testing the integrity of agent-driven systems and audit trails.

  • 03

    DevOps Engineers

    Monitoring agent activity within automated production environments.

FAQ

Questions Cryptographic Action Attestor owners ask.

  • 01

    How does this MCP prevent tampering?

    It uses SHA-256 hashing to link every new action to the previous one, creating a cryptographic chain that breaks if any data is changed.

  • 02

    What information is actually recorded in the log?

    The log captures the capability name, the specific parameters used, and the timestamp for every action.

  • 03

    Can I delete entries from the audit log?

    No, the ledger is designed to be append-only to ensure the history remains immutable.

  • 04

    Which AI clients can use this MCP?

    Any MCP-compatible client like Claude, Cursor, or Windsurf can connect to and use this MCP.

  • 05

    How do I know if my log has been compromised?

    You can use the get_audit_log_status capability to check the integrity of the entire history.

  • 06

    How does the server ensure the log hasn't been tampered with?

    The server uses SHA-256 hashing to create a cryptographic fingerprint for every action. When you call get_audit_log_status, the system recomputes all hashes in the log and compares them against the stored values to detect any unauthorized changes.

  • 07

    What information is recorded during an attestation?

    The attest_action capability records the name of the capability used, the specific parameters passed to it, and a Unix timestamp.

  • 08

    Can I see previous actions in the log?

    Yes, you can use the history retrieval capabilities to view the sequence of recorded events in the ledger.

Connect Cryptographic Action Attestor to Claude, Cursor, ChatGPT & more