earl MCP Server

From the README

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Earl sits between agents and external services. Operations are HCL files committed to your repository. The LLM sees a tool name and description; it never reads the template body. An injected instruction in an API response has nowhere to land because the LLM isn't reading the part of the request that executes.

Secrets stay in the OS keychain. They aren't in tool arguments, tool descriptions, or output.

**[→ Documentation](https://mathematic-inc.github.io/earl/)**

## Quick start

```bash
# Install
curl -fsSL https://raw.githubusercontent.com/mathematic-inc/earl/main/scripts/install.sh | bash

# Import a provider template
earl templates import https://raw.githubusercontent.com/mathematic-inc/earl/main/examples/3p/github.hcl

# Store a secret — prompts for the value, not echoed
earl secrets set github.token

# Call a command
earl call --yes --json github.search_repos --query "language:rust stars:>100"
```

To use Earl as MCP tools in your agent, add i