Languages instructions files

1,853 tagged Languages, measured the same way as everything else here.

Browse within: go 57copilot 51ai-tools 37dotnet 35github-copilot 34code-quality 32ai-coding 30microsoft 28model-context-protocol 28ai-coding-assistant 26ios 26claude-code-plugin 24api 23azure 23

OhadAssulin/headless-coder-sdk

Instructions file Claude Code

Instructions for OhadAssulin/headless-coder-sdk, covering claude.md, build & development commands, internally runs: node ./scripts/run-workspaces.mjs build, internally runs: node ./scripts/run-workspaces.mjs test and build a single package.

not rated 38 2mo ago A 1,313 tokens original MIT

jovaneyck/fsi-mcp-server

Instructions file Claude Code

Instructions for jovaneyck/fsi-mcp-server, covering claude.md, project overview, build and development commands, essential commands and build the entire solution.

not rated 38 8mo ago A 813 tokens original MIT

LSP4J-MCP AGENTS.md

459

stephanj/LSP4J-MCP

Instructions file CodexOpenCode

AGENTS.md instructions for stephanj/LSP4J-MCP, covering agents.md, project overview, build and run commands, build shaded jar and run tests.

not rated 38 +1 8d ago A 546 tokens

monorailcss/MonorailCss.Framework

Instructions file Claude Code

Claude Code instructions for monorailcss/MonorailCss.Framework, covering monorailcss, architecture overview, core components, key design patterns and project structure.

not rated 38 2d ago A 1,386 tokens original MIT

l4-ide AGENTS.md

461

smucclaw/l4-ide

Instructions file CodexOpenCode

AGENTS.md instructions for smucclaw/l4-ide, covering agents.md, about l4, repository structure, haskell (cabal) and typescript (npm workspaces + turborepo).

not rated 37 1mo ago A 1,552 tokens

lbb00/ai-rules-sync

Instructions file CodexOpenCode

Instructions for lbb00/ai-rules-sync, covering agents instructions, project overview, tech stack, key features and directory structure.

not rated 37 16d ago A 1,026 tokens original Unlicense

Dicklesworthstone/fastmcp_rust

Instructions file CodexOpenCode

AGENTS.md instructions for Dicklesworthstone/fastmcp_rust, covering agents.md — fastmcp rust, rule 0 - the fundamental override prerogative, rule number 1: no file deletion, git branch: only use main, never master and toolchain: rust & cargo.

not rated 37 changed 2d ago E 11,199 tokens

hoblin/claude-ruby-marketplace

Instructions file Claude Code

Claude Code instructions for hoblin/claude-ruby-marketplace, covering claude.md, repository purpose, before editing, directory structure and versioning.

not rated 37 +1 yesterday A 666 tokens original MIT

wildcard/caro

Instructions file GitHub Copilot

Instructions for wildcard/caro, covering rust code review instructions, error handling, required patterns, anti-patterns to flag and async/await patterns.

not rated 37 yesterday A 2,226 tokens AGPL-3.0

lattice AGENTS.md

467

plausibleventures/lattice

Instructions file CodexOpenCode

Instructions for plausibleventures/lattice, covering lattice — how to work in this repo, the eleven non-negotiables, layout, commands and house style.

not rated 36 +1 13d ago A 3,095 tokens original MIT

Vaiz/rust-mcp-server

Instructions file GitHub Copilot

Instructions for Vaiz/rust-mcp-server, covering copilot instructions for rust mcp server, project context, key guidelines, mcp protocol implementation and dependencies.

not rated 36 +1 21d ago A 691 tokens original Unlicense

jazzychad/ios-code-audit

Instructions file Claude Code

Instructions for jazzychad/ios-code-audit, covering claude.md, what this repo is, file layout, editing rules specific to this skill and what the skill explicitly does not cover.

not rated 36 3mo ago A 592 tokens original MIT

zuke AGENTS.md

470

zuke-build/zuke

Instructions file Claude CodeCodexOpenCode

AGENTS.md instructions for zuke-build/zuke, covering agents.md, using zuke — the api, without guessing, tech stack, typescript 7 / tsgo and coding guidelines (non-negotiable).

not rated 36 +1 changed 2d ago A 9,347 tokens original MIT

instrMCP CLAUDE.md

471

caidish/instrMCP

Instructions file Claude Code

Claude Code instructions for caidish/instrMCP, covering claude.md, development commands, always use conda environment instrmcpdev for testing, unit tests (fast, no hardware required - all mocked) and e2e tests (requires playwright and browser automation).

not rated 35 +1 today A 2,640 tokens original MIT

Djarvur/go-enumsafety

Instructions file Gemini CLI

Gemini CLI instructions for Djarvur/go-enumsafety, covering go-enumsafety development guidelines, active technologies, project structure, commands and run tests with coverage.

not rated 35 1mo ago A 713 tokens original MIT

mcp-loxone CLAUDE.md

473

avrabe/mcp-loxone

Instructions file Claude Code

Claude Code instructions for avrabe/mcp-loxone, covering claude.md, 🦀 rust project overview, 🛠️ common development commands, setup & installation and install rust toolchain (if needed).

not rated 34 2mo ago C 3,536 tokens

shrek-abaper/sap-engineering-skill

Instructions file Claude Code

Instructions for shrek-abaper/sap-engineering-skill, covering claude.md, repository overview, skills, repository structure and archived standalone repositories (historical).

not rated 34 19d ago A 2,702 tokens original MIT

indexedlabs/pydantic-ai-gepa

Instructions file CodexOpenCode

AGENTS.md instructions for indexedlabs/pydantic-ai-gepa, covering repository guidelines, mighty workflow, project structure & module organization, build, test, and development commands and coding style & naming conventions.

not rated 34 10d ago A 636 tokens original MIT

aktual CLAUDE.md

476

jonapoul/aktual

Instructions file Claude Code

Claude Code instructions for jonapoul/aktual, covering claude.md, project, general, build commands and full build — very slow, don't run without asking.

not rated 34 +2 yesterday A 1,901 tokens original Apache-2.0

coral CLAUDE.md

478

cdknorow/coral

Instructions file Claude Code

Instructions for cdknorow/coral, covering claude.md - coral go, mission, testing, go unit tests and legacy parity tools (historical reference).

not rated 33 +1 8d ago A 1,898 tokens original Apache-2.0

Fannon/u-he-preset-randomizer

Instructions file CodexOpenCode

Instructions for Fannon/u-he-preset-randomizer, covering agents.md, project overview, architecture, core modules and development workflow.

not rated 32 4mo ago A 1,656 tokens original MIT

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: