harness
01Cursor rule Cursor
Harness Engineering — rules for all files.
Cursor rule Cursor
Harness Engineering — rules for all files.
Agent Claude Code
A session coding agent for the Harness Engineering project. Implements one feature per session following the spec-driven pipeline, maintains clean git state, and writes handoff notes for the next session.
MCP server Claude CodeCodexCursor +2
One of 9 in .mcp.json
Gives the agent read and write access to a set of allowed directories on the local filesystem. Runs locally from the @modelcontextprotocol/server-filesystem npm package.
MCP server Claude CodeCodexCursor +2
One of 9 in .mcp.json
Lets the agent read, search and manipulate local git repositories: log, diff, status, commit. Runs locally from the mcp-server-git Python package.
MCP server Claude CodeCodexCursor +2
One of 9 in .mcp.json
Gives the agent a persistent knowledge graph it can write facts to and recall across sessions. Runs locally from the @modelcontextprotocol/server-memory npm package.
MCP server Claude CodeCodexCursor +2
One of 9 in .mcp.json
MCP server "fetch" as configured in ArtemisAI/HarnessEngineering. Runs locally from the @modelcontextprotocol/server-fetch npm package.
MCP server Claude CodeCodexCursor +2
One of 9 in .mcp.json
Lets the agent drive a real browser: open pages, click, type, take screenshots and read the accessibility tree, using Playwright. Runs locally from the @playwright/mcp npm package.
MCP server Claude CodeCodexCursor +2
One of 9 in .mcp.json
MCP server "sequential-thinking" as configured in ArtemisAI/HarnessEngineering. Runs locally from the @modelcontextprotocol/server-sequentialthinking npm package.
MCP server Claude CodeCodexCursor +2
One of 9 in .mcp.json
GitHub's hosted MCP server: lets the agent search code, read and create issues and pull requests. Remote server at api.githubcopilot.com.
MCP server Claude CodeCodexCursor +2
One of 9 in .mcp.json
DeepWiki's hosted MCP server: AI-generated documentation of public GitHub repositories the agent can query. Remote server at mcp.deepwiki.com.
MCP server Claude CodeCodexCursor +2
One of 9 in .mcp.json
Context7's hosted MCP server: up-to-date library documentation and code examples on demand. Remote server at mcp.context7.com.
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: