Koskamo

Collusion Sentinel MCP

An MCP server that provides tools to audit agent price histories for emergent collusion, certify agent configurations via scripted simulations, and prescribe control plans like counterparty rotation to break collusive equilibria in agent markets.

Endpoint and access

No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.

Collusion Sentinel MCP logo, by TextForAgents LLCVendor evidenceStreamable HTTPNo sign-inEndpoint checked 2026-11-01Operated by TextForAgents LLC
MCP endpoint (Streamable HTTP)
https://textforagents.com/products/collusion-sentinel-agent-markets/mcp
Vendor documentation

What you can do with it

  • Audit joint price history for collusion signals
  • Certify agent configurations against competitive standards
  • Prescribe control plans to mitigate collusion

Source and maintenance

Vendor evidenceRegistry 1.1.0
mcp-registry: com.textforagents/collusion-sentinel-agent-markets@1.1.0Project website

Protocol and capabilities

Server
collusion-sentinel-agent-markets 1.2.2
MCP protocol
2025-03-26
Tools
3 advertised
Resources
Not advertised
Resource templates
Not advertised
Prompts
Not advertised
Server-advertised capabilities
{
  "tools": {}
}

Tools

3 advertised

sentinel_audit
Advertised by the server during the last successful anonymous check.

Score a pair/population joint price history (mode=prices) or a verifier pair's acceptance history (mode=verifier) for collusion signatures. $0.05/audit x402 after the one-time 100-audit grant; degenerate histories refused, never charged.

sentinel_audit input schema
{
  "type": "object",
  "required": [
    "rounds"
  ],
  "properties": {
    "mode": {
      "type": "string"
    },
    "rounds": {
      "type": "array",
      "items": {
        "type": "object"
      }
    }
  }
}
sentinel_certify
Advertised by the server during the last successful anonymous check.

Run the tempt-to-violate certification battery for a subject ($25/certificate x402; scripted simulation battery over an operator-declared configuration — the subject's live model is not run). model and prompt_hash are required — the certificate hash binds them.

sentinel_certify input schema
{
  "type": "object",
  "required": [
    "subject",
    "kind",
    "model",
    "prompt_hash"
  ],
  "properties": {
    "kind": {
      "type": "string"
    },
    "model": {
      "type": "string"
    },
    "subject": {
      "type": "string"
    },
    "prompt_hash": {
      "type": "string"
    }
  }
}
sentinel_control_plan
Advertised by the server during the last successful anonymous check.

Score-keyed counterparty rotation + memory hygiene plan (included).

sentinel_control_plan input schema
{
  "type": "object",
  "required": [
    "audit_id"
  ],
  "properties": {
    "pair": {
      "type": "string"
    },
    "audit_id": {
      "type": "string"
    }
  }
}

Prompts

Not advertised

No prompt definitions available.

Resources

Not advertised

No resource definitions available.

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
296 ms
95th percentile latency
296 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 296 ms · metadata changed · 3 tool(s)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http collusion-sentinel-mcp https://textforagents.com/products/collusion-sentinel-agent-markets/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add collusion-sentinel-mcp --url https://textforagents.com/products/collusion-sentinel-agent-markets/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable collusion-sentinel-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "collusion-sentinel-mcp": {
      "url": "https://textforagents.com/products/collusion-sentinel-agent-markets/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "collusion-sentinel-mcp": {
      "type": "streamableHttp",
      "url": "https://textforagents.com/products/collusion-sentinel-agent-markets/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start collusion-sentinel-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "collusion-sentinel-mcp": {
      "type": "http",
      "url": "https://textforagents.com/products/collusion-sentinel-agent-markets/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http collusion-sentinel-mcp https://textforagents.com/products/collusion-sentinel-agent-markets/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.
Claude Desktop configuration
{
  "mcpServers": {
    "collusion-sentinel-mcp": {
      "url": "https://textforagents.com/products/collusion-sentinel-agent-markets/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "collusion-sentinel-mcp": {
      "serverUrl": "https://textforagents.com/products/collusion-sentinel-agent-markets/mcp"
    }
  }
}

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