# OpenFGA

> Use this tool when you need to manage fine-grained access control policies for large language models, solving authorization and permission issues in complex systems. It provides a standardized protocol for interacting with authorization stores, accepting inputs such as policy definitions and permission queries, and generating outputs like access decisions and explanations. Ideal for use cases requiring programmable and explainable access control, such as secure data sharing and collaboration platforms.

Canonical page: https://skillsregistry.net/skills/evansims-openfga  
JSON: https://api.skillsregistry.net/v1/skills/evansims-openfga

## Description

OpenFGA MCP server enables large language models to interact with OpenFGA authorization stores through a standardized protocol. Built by Evan Sims, it provides tools to read, search, and manipulate fine-grained access control policies programmatically, with support for checking permissions, creating relationships, and generating explanations for access decisions.

## Trust

- **Trust score (0–1):** 0.97
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** search
- **Updated:** 2026-09-19

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/evansims-openfga)
- **Repository:** <https://github.com/evansims/openfga-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": "evansims-openfga"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/evansims-openfga` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/evansims-openfga/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