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Shared Agent Setup

This directory is the neutral, repo-owned source of truth for agent behavior in Langfuse Python.

Use .agents/ for configuration and guidance that should apply across tools. Do not put durable shared guidance only in .claude/, .codex/, .cursor/, or .vscode/.

Layout

  • AGENTS.md: canonical shared root instructions
  • config.json: shared bootstrap and MCP configuration used to generate tool-specific shims
  • scripts/: shared bootstrap and sync helpers for agent tooling
  • skills/: shared, tool-neutral implementation guidance for recurring workflows

config.json

.agents/config.json contains five kinds of data:

  • shared: defaults used across tools
  • mcpServers: project MCP servers and how to connect to them
  • claude: Claude-specific generated settings inputs
  • codex: Codex-specific generated settings inputs
  • cursor: Cursor-specific generated settings inputs

Current shape:

{
  "shared": {
    "setupScript": "bash .agents/scripts/codex/setup.sh",
    "devCommand": "poetry run bash",
    "devTerminalDescription": "Interactive development shell inside the Poetry environment"
  },
  "mcpServers": {
    "langfuse-docs": {
      "transport": "http",
      "url": "https://langfuse.com/api/mcp"
    }
  },
  "claude": {
    "settings": {}
  },
  "codex": {
    "environment": {
      "version": 1,
      "name": "langfuse-python"
    }
  },
  "cursor": {
    "environment": {
      "agentCanUpdateSnapshot": false
    }
  }
}

How Shims Are Generated

.agents/scripts/sync-agent-shims.py reads .agents/config.json and writes the tool discovery files that those products require.

Generated local artifacts:

  • .claude/settings.json
  • .claude/skills/*
  • .cursor/environment.json
  • .cursor/mcp.json
  • .vscode/mcp.json
  • .mcp.json
  • .codex/config.toml
  • .codex/environments/environment.toml

The repo root discovery files remain committed as symlinks:

  • AGENTS.md -> .agents/AGENTS.md
  • CLAUDE.md -> AGENTS.md

This keeps provider discovery stable while .agents/ remains the source of truth.

When To Edit config.json

Edit .agents/config.json when you need to:

  • add, remove, or update a shared MCP server
  • change the shared setup/bootstrap command
  • change the default terminal command or terminal label used by generated shims
  • adjust generated Claude, Cursor, or Codex settings that are intentionally modeled in the shared config

Do not edit generated shim files by hand. Edit the canonical files in .agents/ instead.

Workflow

After editing .agents/config.json or .agents/skills/**:

  1. Run python3 scripts/agents/sync-agent-shims.py
  2. Run python3 .agents/scripts/sync-agent-shims.py --check
  3. Verify you did not stage generated files under .claude/skills/ or any of the generated MCP/runtime config paths
  4. Update .agents/AGENTS.md or CONTRIBUTING.md if the shared workflow materially changed

bash .agents/scripts/install.sh --all-extras is the canonical repo install flow and wires poetry install to bash .agents/scripts/postinstall.sh. bash .agents/scripts/codex/setup.sh uses the same path during agent environment bootstrap.

Adding Shared Skills

Shared skills live under .agents/skills/.

Use them for durable, reusable guidance such as:

  • repeated SDK maintenance workflows
  • review checklists that should apply across tools
  • repo-specific runbooks that should not live only in a provider-specific folder

Do not use skills for one-off notes or tool runtime configuration.

python3 .agents/scripts/sync-agent-shims.py projects shared skills into .claude/skills/ so Claude can discover the same repo-owned skills.

For the skill authoring workflow, see skills/README.md.