It is for capturing work-session details that another process can later review and organize.

It preserves session information for later analysis instead of requiring that analysis to happen immediately.

capture — Plugin by harnessprotocol

Q: What is capture?

A session recorder that saves information from an agent session to a temporary staging file for later reflection and knowledge-graph processing. A knowledge graph stores connected facts and relationships.

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Claude Code

/plugin marketplace add harnessprotocol/harness-kit

agentmods

npx agentmods add plugins/harnessprotocol/harness-kit/capture

Clone the repo

git clone --depth 1 https://github.com/harnessprotocol/harness-kit

Made for: Claude Code.

Per session not measured What this adds to a session before it is invoked.

When invoked not measured Not applicable: nothing here is loaded into a session.

Security scan A 0 findings. Scan, not verified.

Origin original No closer match found in the catalogue.

Security

Grade A, and why

capture scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/capture/.claude-plugin/plugin.json · 8 lines

What it actually says

{
  "name": "capture",
  "description": "Capture session information into a staging file for later reflection and knowledge graph processing",
  "version": "0.4.1",
  "category": "research-knowledge",
  "tags": ["session-capture", "knowledge-graph", "reflection", "staging"]
}

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

yesterday First seen · 8 lines scan A 60a0afb9892d

Subscribe to this mod's changes

capture is a plugin published in the GitHub repository harnessprotocol/harness-kit (10 stars, last pushed 2d ago), licensed Apache-2.0. Its token cost is not measured: this kind of file is read by the harness, not the model. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Code review Research ai-tools claude-code claude-code-plugin claude-code-skills developer-tools knowledge-management

capture

Getting it into your agent

Grade A, and why

Nothing flagged

What it actually says

What this file has done since we first saw it

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