Plugin

haira

Agent skills for the Haira programming language — syntax, standard library, compiler internals, and idiomatic patterns for building agentic workflows

Component Overview

Commands

Agents

Skills

Hooks

MCP Servers

LSP Servers

Install

npx claudepluginhub mrzdevcore/haira --plugin haira

Component Details

Skills (2)

haira-compiler

/haira-compiler

Deep knowledge of the Haira compiler internals — lexer, parser, checker, codegen pipeline, runtime library, and AST design. Use this skill when contributing to the Haira compiler, adding new language features, fixing compiler bugs, working on the Go codegen, modifying the runtime, or understanding compiler architecture. Triggers on: compiler internals, lexer, parser, checker, codegen, AST, token, runtime, primitive, stdlib.

haira

/haira

Complete knowledge of the Haira programming language — syntax, semantics, standard library, and idiomatic patterns. Use this skill whenever the user asks about Haira language syntax, wants to write .haira code, needs help with agentic constructs (providers, tools, agents, workflows), or works on any .haira files. Triggers on: Haira, .haira, haira language, agentic workflow, provider/tool/agent/workflow declarations.

README

<img src="assets/banner.svg" alt="Haira" width="600"> High-level Agentic Instruction & Runtime Architecture The programming language for AI agents and workflows. <a href="LICENSE"><img src="https://img.shields.io/badge/license-Apache%202.0-blue.svg" alt="License"></a> <img src="https://img.shields.io/badge/go-1.22+-00ADD8.svg" alt="Go 1.22+"> <img src="https://img.shields.io/badge/examples-35-2962FF.svg" alt="35 examples"> <a href="https://haira.dev">Website</a> · <a href="https://haira.dev/docs/getting-started/installation">Documentation</a> · <a href="https://haira.dev/docs/examples">Examples</a> · <a href="https://haira.dev/agentic-rendering-protocol">ARP Protocol</a> · <a href="https://haira.dev/generative-ui">Generative UI</a>

Note: Haira is under heavy development and not yet production-ready. APIs and syntax may change. Use at your own risk.

Haira is a compiled language designed from the ground up for building agentic applications. Providers, tools, agents, and workflows are part of the language itself — not frameworks bolted on top. Write your agent logic, compile it to a native binary, and ship it.

import "io"
import "http"

provider openai {
    api_key: env("OPENAI_API_KEY")
    model: "gpt-4o"
}

tool get_weather(city: string) -> string {
    """Get the current weather for a given city"""
    resp, err = http.get("https://wttr.in/${city}?format=j1")
    if err != nil { return "Failed to fetch weather data." }
    data = resp.json()
    current = data["current_condition"][0]
    return "${city}: ${current["temp_C"]}C"
}

agent Assistant {
    model: openai
    system: "You are a helpful assistant. Be concise."
    tools: [get_weather]
    memory: conversation(max_turns: 10)
    temperature: 0.7
}

@post("/api/chat")
workflow Chat(message: string, session_id: string) -> { reply: string } {
    reply, err = Assistant.ask(message, session: session_id)
    if err != nil { return { reply: "Something went wrong." } }
    return { reply: reply }
}

fn main() {
    server = http.Server([Chat])
    io.println("Server running on :8080")
    io.println("UI: http://localhost:8080/_ui/")
    server.listen(8080)
}

Architecture

                              ┌─────────────────────────────────────┐
                              │           .haira source             │
                              └──────────────┬──────────────────────┘
                                             │
                    ┌────────────────────────────────────────────────┐
                    │                  COMPILER                      │
                    │                                                │
                    │   ┌───────┐   ┌────────┐   ┌──────────┐        │
                    │   │ Lexer │──▶│ Parser │──▶│ Checker  │        │
                    │   └───────┘   └────────┘   └─────┬────┘        │
                    │                                  │             │
                    │                            ┌─────▼──────┐      │
                    │                            │  Codegen   │      │
                    │                            │  (Go emit) │      │
                    │                            └─────┬──────┘      │
                    └──────────────────────────────────┼─────────────┘
                                                       │
                                                  go build
                                                       │
                                                       ▼
                    ┌─────────────────────────────────────────────────┐
                    │              NATIVE BINARY                      │
                    │                                                 │
                    │  ┌─────────────────────────────────────────┐    │
                    │  │            Haira Runtime                │    │
                    │  │                                         │    │
                    │  │  ┌──────────┐  ┌───────┐  ┌──────────┐  │    │
                    │  │  │ Provider │  │ Agent │  │ Workflow │  │    │
                    │  │  └──────────┘  └───┬───┘  └────┬─────┘  │    │
                    │  │                    │           │        │    │
                    │  │         ┌──────────┴───────────┘        │    │
                    │  │         │                               │    │
                    │  │  ┌──────▼──────┐     ┌──────────────┐   │    │
                    │  │  │ HTTP Server │     │  MCP Server  │   │    │
                    │  │  │  REST + SSE │     │ stdio / HTTP │   │    │
                    │  │  └──────┬──────┘     └──────────────┘   │    │
                    │  │         │                               │    │

View full README on GitHub

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Stats

Version1.0.0

Stars5

MaintenanceExcellent

Last CommitMar 12, 2026

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Available In

haira-skills5

Tags

productivity

development

import "io" import "http" provider openai { api_key: env("OPENAI_API_KEY") model: "gpt-4o" } tool get_weather(city: string) -> string { """Get the current weather for a given city""" resp, err = http.get("https://wttr.in/${city}?format=j1") if err != nil { return "Failed to fetch weather data." } data = resp.json() current = data["current_condition"][0] return "${city}: ${current["temp_C"]}C" } agent Assistant { model: openai system: "You are a helpful assistant. Be concise." tools: [get_weather] memory: conversation(max_turns: 10) temperature: 0.7 } @post("/api/chat") workflow Chat(message: string, session_id: string) -> { reply: string } { reply, err = Assistant.ask(message, session: session_id) if err != nil { return { reply: "Something went wrong." } } return { reply: reply } } fn main() { server = http.Server([Chat]) io.println("Server running on :8080") io.println("UI: http://localhost:8080/_ui/") server.listen(8080) }

Architecture

┌─────────────────────────────────────┐ │ .haira source │ └──────────────┬──────────────────────┘ │ ┌────────────────────────────────────────────────┐ │ COMPILER │ │ │ │ ┌───────┐ ┌────────┐ ┌──────────┐ │ │ │ Lexer │──▶│ Parser │──▶│ Checker │ │ │ └───────┘ └────────┘ └─────┬────┘ │ │ │ │ │ ┌─────▼──────┐ │ │ │ Codegen │ │ │ │ (Go emit) │ │ │ └─────┬──────┘ │ └──────────────────────────────────┼─────────────┘ │ go build │ ▼ ┌─────────────────────────────────────────────────┐ │ NATIVE BINARY │ │ │ │ ┌─────────────────────────────────────────┐ │ │ │ Haira Runtime │ │ │ │ │ │ │ │ ┌──────────┐ ┌───────┐ ┌──────────┐ │ │ │ │ │ Provider │ │ Agent │ │ Workflow │ │ │ │ │ └──────────┘ └───┬───┘ └────┬─────┘ │ │ │ │ │ │ │ │ │ │ ┌──────────┴───────────┘ │ │ │ │ │ │ │ │ │ ┌──────▼──────┐ ┌──────────────┐ │ │ │ │ │ HTTP Server │ │ MCP Server │ │ │ │ │ │ REST + SSE │ │ stdio / HTTP │ │ │ │ │ └──────┬──────┘ └──────────────┘ │ │ │ │ │ │ │

haira

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Component Details

Skills (2)

README

Architecture

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