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Harness Source Map

Harness Source Map — The prompts, reminders, tools and settings that Claude Code, Codex/ChatGPT, OpenCode and…

Harness Source Map is The prompts, reminders, tools and settings that Claude Code, Codex/ChatGPT, OpenCode and Cursor put in front of the model, with source provenance. Trace your own session and captured network requests.. It is ranked #4939 on the Dev Radar, in AI dev tools, first seen 24 days ago and shared in 1 post (193 views).

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Harness Source Map · What coding-agent harnesses send the model Harness Source Map What the agent harness puts in front of the model. The prompts, reminders, tool descriptions and settings that Claude Code, Codex/ChatGPT, OpenCode and Cursor send, read from shipped apps and public source, each with its provenance. Search prompts, env vars, settings, hooks, tools… ⌘K Which harness? Trace a session Open your own Claude Code, Codex/ChatGPT, OpenCode or Cursor session and see its instructions, tools and visible reasoning. Add an opt-in network capture to inspect actual request payloads and destinations. Runs in your browser; nothing is…

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FAQ

What is Harness Source Map?

The prompts, reminders, tools and settings that Claude Code, Codex/ChatGPT, OpenCode and Cursor put in front of the model, with source provenance. Trace your own session and captured network requests. It was first shared on X 24 days ago and is ranked #4939 on the Dev Radar.

Is Harness Source Map free?

Pricing is not stated on the page we read.

Who shared Harness Source Map?

1 account on X, including @_DMontgomery40, in 1 post totalling 193 views.

Every post is read and classified by AGK Intelligence: what it is, which market it belongs to, and whether the link is a real tool. 31.2k posts from 5k X accounts over the last 21 days, 8.8k tools, 12 markets. New posts are collected several times an hour and the full ranking is recomputed every hour — last update 2026-10-30 20:27 UTC. Full method.