MCP Contradiction Check

Find where your notes disagree — contradiction detection for markdown vaults.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

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Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "mcp-contradiction-check": {
      "command": "uvx",
      "args": [
        "mcp-contradiction-check"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Capabilities & Tool Schemas (4)Self-reported

Inspect callable tools, capabilities, and parameters exposed to AI agents by MCP Contradiction Check.

find_contradictions

Scan the vault for note pairs with high concept overlap but conflicting numerical or qualitative claims. Returns all detected conflicts with the specific issues flagged.

check_pair

Run the full contradiction check between two specific notes (by path or filename stem). Returns the detailed conflict analysis — shared concepts, quantitative conflicts, negation conflicts.

extract_claims

Pull all quantitative claims (numbers with units) and negation patterns from a single note. Useful as input to your own verification pipeline.

generate_reconciliation_prompt

For a detected contradiction, produce a structured prompt you can feed to an LLM to reason through the conflict and suggest a resolution. Preserves the exact claims + shared concepts + both notes' context windows.

Documentation Overview

mcp-contradiction-check

Find where your notes disagree — contradiction detection for markdown vaults.

Find pairs of notes in your markdown knowledge base that have high concept overlap but disagree — quantitative conflicts (different numbers with the same unit on the same concept) and negation conflicts (one note claims "X is not Y", another claims "X is Y"). Prevents knowledge corruption by surfacing disputes before they propagate. Designed to pair with hebbian-vault's usage-weighted retrieval to flag notes that shouldn't be strengthened yet.

Install

Terminal

pip install mcp-contradiction-check
# or
uvx mcp-contradiction-check

Usage

Claude Code

Terminal

claude mcp add mcp-contradiction-check -- mcp-contradiction-check

Claude Desktop

Add to claude_desktop_config.json:

config.json

{
  "mcpServers": {
    "contradiction_check": {
      "command": "uvx",
      "args": ["mcp-contradiction-check"]
    }
  }
}

MCP Tools

Tool	Tier	Description
`find_contradictions`	Free	Scan the vault for note pairs with high concept overlap but conflicting numerical or qualitative claims. Returns all detected conflicts with the specific issues flagged.
`check_pair`	Free	Run the full contradiction check between two specific notes (by path or filename stem). Returns the detailed conflict analysis — shared concepts, quantitative conflicts, negation conflicts.
`extract_claims`	Pro	Pull all quantitative claims (numbers with units) and negation patterns from a single note. Useful as input to your own verification pipeline.
`generate_reconciliation_prompt`	Pro	For a detected contradiction, produce a structured prompt you can feed to an LLM to reason through the conflict and suggest a resolution. Preserves the exact claims + shared concepts + both notes' context windows.

Pro tier

Unlocks detailed claim extraction per note and LLM-ready reconciliation prompt generation for resolving disputes.

License activation — any one of these works:

server.ts

# 1. Environment variable
export CONTRADICTION_CHECK_LICENSE="eyJhbGc..."

# 2. CLI flag
mcp-contradiction-check --license-key "eyJhbGc..."

# 3. Config file
echo "eyJhbGc..." > ~/.mcp-contradiction-check/license.jwt

Licenses are verified fully offline — no phone-home, no activation server. Get a license at https://github.com/onetrueclaude-creator/mcp-contradiction-check#pro-tier.

Requirements

Python 3.10+

License

MIT

Read the full README →View source on GitHub →

Related MCP Servers

View all in Knowledge & Memory View all alternatives

Adoption & maintenance

Factual signals from GitHub, npm, and our automated checks — not a rating.

Last commit

4mo ago

Most recent push to the default branch.

Tools exposed

Callable tools this server registers over MCP.

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Frequently Asked Questions about MCP Contradiction Check

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "mcp-contradiction-check": { "command": "npx", "args": ["-y", "mcp-contradiction-check"] } }

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Technical Specs & Signals

CategoryKnowledge & Memory

47Quality signal: Fair · 47/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20

Documentation & tools24/30

Adoption & activity1/15

Community engagement0/10

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Documentation Overview

mcp-contradiction-check

Find where your notes disagree — contradiction detection for markdown vaults.

Install

Terminal

pip install mcp-contradiction-check
# or
uvx mcp-contradiction-check

Usage

Claude Code

Terminal

claude mcp add mcp-contradiction-check -- mcp-contradiction-check

Claude Desktop

Add to claude_desktop_config.json:

config.json

{
  "mcpServers": {
    "contradiction_check": {
      "command": "uvx",
      "args": ["mcp-contradiction-check"]
    }
  }
}

MCP Tools

Tool	Tier	Description
`find_contradictions`	Free	Scan the vault for note pairs with high concept overlap but conflicting numerical or qualitative claims. Returns all detected conflicts with the specific issues flagged.
`check_pair`	Free	Run the full contradiction check between two specific notes (by path or filename stem). Returns the detailed conflict analysis — shared concepts, quantitative conflicts, negation conflicts.
`extract_claims`	Pro	Pull all quantitative claims (numbers with units) and negation patterns from a single note. Useful as input to your own verification pipeline.
`generate_reconciliation_prompt`	Pro	For a detected contradiction, produce a structured prompt you can feed to an LLM to reason through the conflict and suggest a resolution. Preserves the exact claims + shared concepts + both notes' context windows.

Pro tier

Unlocks detailed claim extraction per note and LLM-ready reconciliation prompt generation for resolving disputes.

License activation — any one of these works:

server.ts

# 1. Environment variable
export CONTRADICTION_CHECK_LICENSE="eyJhbGc..."

# 2. CLI flag
mcp-contradiction-check --license-key "eyJhbGc..."

# 3. Config file
echo "eyJhbGc..." > ~/.mcp-contradiction-check/license.jwt

Licenses are verified fully offline — no phone-home, no activation server. Get a license at https://github.com/onetrueclaude-creator/mcp-contradiction-check#pro-tier.

Requirements

Python 3.10+

License

MIT

Frequently Asked Questions about MCP Contradiction Check

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "mcp-contradiction-check": { "command": "npx", "args": ["-y", "mcp-contradiction-check"] } }