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Tessen Grader MCP Server

@tessen

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Basic information

Category

Finance & Commerce

Author

tessen

About Tessen Grader MCP Server

Tessen grades trading strategies honestly: your agent writes a strategy as a declarative AgentSpec, Tessen backtests it against real out-of-sample market data and returns an A–F grade with the numbers that matter (expectancy in bp/trade, OOS trade count, win-rate-vs-expectancy tr

Tessen Grader MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "tessen": {
      "type": "streamable-http",
      "url": "https://tessen.ai/api/mcp",
      "headers": {
        "X-API-Key": "tsn_live_xxx"
      }
    }
  }
}

Tessen Grader MCP Server tools

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Overview

What is Tessen Grader?

Tessen Grader is an MCP server that grades trading strategies honestly. It takes a strategy written as a declarative AgentSpec, backtests it against real out-of-sample market data, and returns an A–F grade with key metrics (expectancy in bp/trade, OOS trade count, win-rate-vs-expectancy trap detection) plus corpus base rates from every strategy ever graded.

How to use Tessen Grader?

Use the server remotely over streamable HTTP—no local install required. Five tools are available: get_agentspec_reference, get_grade_report, and get_corpus_insights are free without a key; grade_strategy and grade_trade_record are metered and require a free API key from https://tessen.ai/studio/developer.

Key features of Tessen Grader

  • Grades trading strategies via declarative AgentSpec input.
  • Backtests against real out-of-sample market data.
  • Returns an A–F grade with expectancy, trade count, and trap detection.
  • Provides corpus base rates (~64% of graded strategies fail).
  • Three tools free without an API key; two tools metered.
  • Remote streamable-HTTP server; no local installation.

Use cases of Tessen Grader

  • An AI agent grades a trading strategy automatically before deployment.
  • A developer evaluates strategy quality using historical corpus benchmarks.
  • A trader checks whether a strategy's win rate hides a negative expectancy trap.

Frequently asked questions

1

What is an AgentSpec?

An AgentSpec is a declarative format for specifying a trading strategy; Tessen uses it as input for grading.

2

Do I need an API key for all tools?

No. `get_agentspec_reference`, `get_grade_report`, and `get_corpus_insights` are free without a key. `grade_strategy` and `grade_trade_record` require a free API key from https://tessen.ai/studio/developer.

3

How is Tessen Grader hosted?

It is a remote streamable-HTTP server—there is no local install.

4

Where can I find Tessen Grader on the MCP Registry?

It is listed as `ai.tessen/grader` on the official MCP Registry.

Comments

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