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Use Critical Thinking Prover with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. AI agents accept premises without questioning, analyze from one perspective, cherry-pick evidence, ignore consequences, and present uncertainty as certainty. Th

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

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Complete set · 2 capabilities

The complete Critical Thinking Prover capability set.

These are the exact actions your AI can choose when you ask it to work with Critical Thinking Prover.

Capability set01 / 01

01-02

2 capabilities in this set.

Part of 2 available through Critical Thinking Prover.

  1. 01

    Validate critical thinking

    The goal is not to reach "the right answer". it is to reach a DEFENSIBLE answer with explicit assumptions, competing perspectives, balanced evidence, mapped consequences, and bounded confidence. You must: (1) surface HIDDEN ASSUMPTIONS. every problem has embedded assumptions about causality, scope, stakeholders, definitions, and constraints. "No assumptions" means you have not looked. Challenge each: what if this assumption is wrong? What depends on it?, (2) apply MULTIPLE COMPETING FRAMEWORKS. not "different angles" but NAMED mental models. First-principles vs analogical, economic vs behavioral, short-term vs long-term, stakeholder A vs stakeholder B. If two frameworks agree, you have not found a real alternative, (3) weigh evidence FOR AND AGAINST with EQUAL rigor. structure as FOR [data], AGAINST [data], NET [balanced assessment]. If you only have supporting evidence, you have confirmed, not searched. Actively seek the strongest counterargument. steelman the opposition, (4) trace SECOND-ORDER EFFECTS. who loses when this succeeds? What feedback loops does it create? What unintended incentives emerge? What resources does it consume? Every action has ripple effects. map at least 3, (5) BOUND your confidence. what specific evidence would change your conclusion? Under what conditions does it hold? What would weaken it? What would reverse it? "100% certain" means you have stopped thinking. "It depends" means you have not started. State a confidence level with conditions. If rejected, your reasoning has a structural blind spot. Structured reflection capability for critical thinking on complex problems. Forces the agent to reason deeply BEFORE committing to a conclusion. surfacing hidden assumptions, applying multiple competing frameworks, weighing evidence for AND against, tracing second-order consequences, and bounding confidence with falsification conditions. Catches Assumption Blindness (taking embedded assumptions as facts. "users want speed" when the real bottleneck is trust), Mono-Perspective Reasoning (analyzing from one framework only. "economically optimal" while ignoring behavioral, political, and ethical dimensions), Confirmation Bias (only finding evidence FOR the conclusion. if you have zero counterexamples, you have not searched, you have confirmed), Scope Neglect (ignoring second-order effects. "this optimizes X" without asking who loses, what feedback loops emerge, what incentives change), and False Precision ("100% certain" or "it depends". both are intellectual abdication. One refuses to think, the other refuses to commit). Call once per complex problem or decision

  2. 02

    Validate task completion

    "I think I am done" is not proof. You must: (1) state the OBJECTIVE clearly. what was the user's actual request?, (2) CHECKLIST all requirements from the prompt. each requirement mapped to a specific file change or action taken. Generic "addressed all requirements" is not a checklist, (3) list MODIFIED FILES. exact paths with line ranges. "Updated the code" is not traceability, (4) provide VERIFICATION LOGS. compilation output, test results, build logs, or script output. Must prove execution. "It should work" and placeholder assertions are rejected, (5) expose REMAINING GAPS. outstanding tasks, out-of-scope items, assumptions, manual checks. "No gaps" without explicit audit means you have not looked, (6) commit to your VERDICT. if the pivots say incomplete, the verdict must say incomplete. If rejected, fix the highlighted issue before declaring the task finished. Structured reflection capability to verify task completion and delivery integrity. Forces the agent to prove it is actually finished. not "I think I am done" but mapping every user requirement to a specific file change, supplying execution logs as evidence, and identifying remaining gaps. Catches Incomplete Requirements (declaring done when 3 of 5 requirements are addressed), Unmodified Artifacts (claiming changes without specifying which files at which lines), Unverified Changes (no compilation logs, no test output, no build results. "it should work"), Gap Blindness (assuming 100% completion without listing outstanding work or limitations), and Delivery Flaws (placeholders, TODOs, or stub implementations left in committed code). Call at the end of every task execution

Observed, not estimated

843ms average. Fast in production.

Critical Thinking Prover is checked daily against the live service.

Daily averagePeak 1048ms
Aug 20Today
Fastest day
729ms
Slowest day
1048ms
14-day trend
Slowing+7%

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 Critical Thinking Prover, so you can see the experience inside your AI.

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

Critical Thinking Prover Connector

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

Connector linkhttps://edge.vinkius.com/vk_preview_HnRM4jwjWWzTcwIx1fdDtyj5utGoROvccTsTLtXH/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 — Critical Thinking Prover capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "critical-thinking-prover-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_HnRM4jwjWWzTcwIx1fdDtyj5utGoROvccTsTLtXH/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

FAQ

Questions Critical Thinking Prover owners ask.

  • 01

    Does Critical Thinking Prover generate answers to complex problems?

    No. Critical Thinking Prover performs zero content generation. It forces the AI agent to structure its own reasoning into verifiable fields. assumptions, frameworks, evidence, consequences, confidence bounds. then validates that the reasoning is logically consistent. The agent does all the thinking. The capability catches blind spots.

  • 02

    How is this different from Sequential Thinking?

    Sequential Thinking structures thoughts in a linear chain. step 1, step 2, step 3. It's domain-agnostic and doesn't validate reasoning quality. Critical Thinking Prover is orthogonal: it doesn't sequence thoughts, it validates that the reasoning addresses five specific cognitive failure modes. assumption blindness, mono-perspective, confirmation bias, scope neglect, and false precision. You can use both together: Sequential Thinking to decompose the problem, Critical Thinking Prover to validate the conclusion.

  • 03

    What types of problems does this apply to?

    Any complex problem where the answer is not obvious and the reasoning matters more than the conclusion. Technical architecture decisions, business strategy, policy design, ethical dilemmas, resource allocation, organizational restructuring, risk assessment, investment analysis, product prioritization. If the problem has competing frameworks, hidden trade-offs, and uncertain outcomes. this capability forces the agent to reason through them instead of pattern-matching to a confident-sounding answer.

  • 04

    Can the agent still reach a 'wrong' conclusion after passing validation?

    Yes. and that's by design. Critical Thinking Prover validates reasoning PROCESS, not reasoning OUTCOMES. A conclusion can be well-reasoned and still turn out wrong. that's the nature of complex problems. What the capability guarantees is that the reasoning considered assumptions, multiple perspectives, counterevidence, consequences, and uncertainty bounds. A well-structured wrong answer is infinitely more useful than a confidently stated right one. because you can see WHERE the reasoning might break.

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