Agent instructions for SineFrame M3
M3 tests MCP servers and the agents that use them.
These instructions match M3 v0.3.2.
Install the matching CLI with uv tool install sf-m3-cli==0.3.2. In your project, run m3 init, m3 setup, and m3 doctor. See the CLI installation guide for other install options.
Read this page as Markdown.
Discover machine-readable resources in llms.txt.
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Prompt for a coding agent
Give this prompt to a coding agent from the MCP server project:
Install the SineFrame M3 testing skill in this project, then read `.agents/skills/testing-with-m3/SKILL.md` and its relevant references:
npx --yes [email protected] add sineframe/m3#v0.3.2 --skill testing-with-m3 --agent universal claude-code -y
The command needs Node.js and Git. If it fails, read the skill at https://raw.githubusercontent.com/sineframe/m3/59b4f085398f5e99e73d4dd0b1fb257662a56be6/skills/testing-with-m3/SKILL.md instead.
In this project, inspect the MCP server contract and existing test conventions. If the CLI is missing, install the matching CLI with `uv tool install sf-m3-cli==0.3.2` (see the skill's Install M3 reference for alternatives). Add and run the smallest deterministic direct tests for the behavior I care about. Add separate agent tool-selection tests when the claim involves an agent. Follow the skill's setup and test commands, replace any skipped starter with a real assertion, and inspect the run feedback before reporting success. Leave the specific test command ready for CI.Expected output
- Tests based on the real MCP server contract and existing test conventions.
- Direct server checks kept separate from agent tool-selection checks.
- A test run and inspected report, with a specific command ready for CI.