# backtester-mcp

> Use this tool when you need to validate and refine trading strategies by backtesting them locally, with built-in features to detect overfitting and optimize performance. It solves problems of strategy evaluation, risk assessment, and model reliability, providing outputs such as deflated Sharpe ratios and bootstrap confidence intervals. The backtester-mcp tool accepts trading strategies as inputs and integrates with AI agents through a native MCP server, making it ideal for use in algorithmic trading and quantitative analysis contexts.

Canonical page: https://skillsregistry.net/skills/bcosm-backtester-mcp  
JSON: https://api.skillsregistry.net/v1/skills/bcosm-backtester-mcp

## Description

Local-first backtesting engine with built-in overfitting detection (PBO, deflated Sharpe, bootstrap CI, walk-forward) and a native MCP server for AI agents to validate trading strategies.

## Trust

- **Trust score (0–1):** 0.84
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-09-28

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/o05qebgvwc)
- **Repository:** <https://github.com/bcosm/backtester-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "bcosm-backtester-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/bcosm-backtester-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/bcosm-backtester-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt