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The barrel_mcp MCP server was last committed today and has 1 contributor. Issue health: 50% of issues resolved. AgentRank freshness score reflects real-time maintenance activity.

barrel_mcp MCP Server

Name: barrel-platform/barrel_mcp
Rating: 3.1 (1 reviews)
Author: barrel-platform

barrel-platform/barrel_mcp

Score: 53.3 Rank #57 Agent Framework

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MCP (Model Context Protocol) server library for Erlang

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Overview

barrel-platform/barrel_mcp is a Erlang MCP server licensed under Apache-2.0. MCP (Model Context Protocol) server library for Erlang

Ranked #57 out of 124 indexed tools.

Actively maintained with commits in the last week.

Ecosystem

Erlang Apache-2.0

Score Breakdown

Stars 15% 1

1 stars → early stage

Freshness 25% today

Last commit today → actively maintained

Issue Health 25% 50%

No issues filed → no history to score

Contributors 10% 1

1 contributor → solo project

Dependents 25% 0

No dependents → no downstream usage

npm Downloads N/A

PyPI Downloads N/A

Forks 0

Description Good

License Apache-2.0

Weights: Freshness 25% · Issue Health 25% · Dependents 25% · Stars 15% · Contributors 10% · How we score →

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Dependents medium impact

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Details

Stars: 1
Forks: 0
Open Issues: 0
Closed Issues: 0
Contributors: 1
Dependents: —
Language: Erlang
License: Apache-2.0
Last Commit: today

Matched Queries

"model context protocol""model-context-protocol"

From the README

# barrel_mcp

MCP (Model Context Protocol) library for Erlang. Implements the MCP specification for both server and client modes, including the Streamable HTTP transport (protocol 2025-03-26) for Claude Code integration.

## Features

- **Full MCP Protocol Support**: Tools, Resources, Prompts, and Sampling
- **Multiple Transports**: Streamable HTTP (Claude Code), HTTP (Cowboy), and stdio (Claude Desktop)
- **Pluggable Authentication**: Bearer JWT, API keys, Basic auth, or custom providers
- **Supervised Registry**: gen_statem-based registry with atomic operations
- **Fast Reads**: ETS + persistent_term for O(1) handler lookups (no process call)
- **Ready/Not-Ready States**: Flexible initialization pattern
- **Client Library**: Connect to external MCP servers
- **Zero-dependency JSON**: Uses OTP 27+ built-in `json` module

## Installation

Add to your `rebar.config`:

```erlang
{deps, [
    {barrel_mcp, {git, "https://github.com/your-org/barrel_mcp.git", {branch, "main"}}}
]}.
```

## A

Read full README on GitHub →