observe-tab

Optional convenience path — observe a live browser tab via the claude-in-chrome MCP server (read_network_requests) and build an endpoint inventory as the user interacts with the page. Useful when the user is already driving a tab and doesn't want to set up a proxy or export a HAR. Requires the claude-in-chrome MCP server. For most cases prefer analyze-har (zero install) or capture-via-proxy (works against any client). Trigger phrases: "observe this tab", "watch the network as I click around", "map this site as I use it".

Ir a la instalación

Repositorio: danielrosehill/Claude-Browser-Data-Capture-Plugin
Última actividad en el origen: 28 de abril de 2026 a las 11:47
Idioma detectado de SKILL.md: inglés
Estrellas: 0
Forks: 0

Opciones de instalación

De forma predeterminada está seleccionado el prompt que primero revisa el origen. Puedes cambiar a un comando directo o descargar una copia local.

Instalar con Codex o Claude Copia este prompt, pégalo en Codex, Claude u otro asistente, y deja que revise la página de la skill y la instale por ti.

Un comando directo omite el prompt de revisión. Revisa el origen antes de ejecutarlo.

npx skills add https://github.com/danielrosehill/Claude-Browser-Data-Capture-Plugin --skill observe-tab

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Lee SKILL.md y los archivos complementarios que muestra SkillsMP antes de decidir si quieres instalarlo.

SKILL.md

Instrucciones de origen · Vista previa de solo lectura

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analyze-har

Analyze a HAR file (HTTP Archive — exported from Chrome/Firefox DevTools → Network tab → Save all as HAR with content) and produce a normalized inventory of the endpoints it captured, with inferred request/response schemas, auth scheme detection, and a human-readable summary. The zero-install capture path. Use when the user supplies a .har file, says "analyze this HAR", "what endpoints does this site call", or "I exported the network tab, now what".

2026-04-28

capture-via-proxy

Capture network traffic via a local mitmproxy instance and emit a normalized capture file the rest of the plugin can analyze. Use when the user wants to capture traffic from a desktop app, mobile app on the same network, or a browser without using DevTools — anywhere a HAR export isn't practical. The plugin starts mitmdump in the background, walks the user through trusting the local CA, runs for a chosen duration or until stopped, then converts the flow file into the same normalized shape analyze-har produces.

2026-04-28

create-domain-map

Produce or update a versioned "domain map" document for a single host — a curated, human-readable summary of what's been learned about a target across one or many capture runs. Aggregates endpoints, auth scheme, pagination style, rate-limit signals, ToS notes, and integration notes the user has added by hand. Writes to the user's private maps repo (if registered via init-private-repo) or to the plugin data directory otherwise. Use when the user says "make a map for example.com", "update the example.com map with this capture", "give me a clean summary of what we've learned about this site".

2026-04-28

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name

observe-tab

description

observe-tab

Convenience path that uses the claude-in-chrome MCP server to poll an open tab's network log instead of asking the user to export a HAR or run mitmproxy.

This is the lowest-friction option when the MCP server is already installed, but it has the narrowest reach (Chrome, current tab, no mobile, no desktop apps). The other two paths cover more ground.

Prerequisites

claude-in-chrome MCP server configured. Load its tools with ToolSearch first.
A target tab the user is already driving, or a URL to open.

Inputs

Either a tab ID (use tabs_context_mcp to list current tabs) or a URL to open in a fresh tab.
Optional: host filter, so traffic to unrelated origins is excluded.
Optional: session label.

What to produce

Write under ${CLAUDE_USER_DATA:-${XDG_DATA_HOME:-$HOME/.local/share}/claude-plugins}/browser-data-capture/data/<session-label-or-timestamp>/:

endpoints.json, schemas/, summary.md — same shape as analyze-har and capture-via-proxy.
timeline.jsonl — append-only log of observed requests in order, useful for flow analysis.

Method

If the user supplied a URL, open a new tab via tabs_create_mcp. Otherwise confirm the tab ID.
Establish a baseline with one read_network_requests call; discard.
Loop:
- Prompt: "Tell me when you've done something and want me to capture the new traffic, or say 'done' to finalise the map."
- Call read_network_requests. Diff against what's been recorded; process new entries only.
- Templatize paths, infer schemas, merge into endpoints.json. Append to timeline.jsonl.
- Report progress briefly.
On "done", produce summary.md and offer create-domain-map / generate-openapi.

Filtering and privacy

Same defaults as analyze-har and capture-via-proxy: drop static-asset noise, redact auth values before writing.

Limits

WebSocket frames, server-sent events, and traffic over service workers may not surface cleanly — flag these in the summary if detected.
Long sessions accumulate state. Beyond a few hundred unique endpoints, suggest narrowing the host filter or splitting into multiple sessions by user task.

observe-tab

Datos de origen

Opciones de instalación

Revisa los archivos de origen

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observe-tab

Prerequisites

Inputs

What to produce

Method

Filtering and privacy

Limits

observe-tab

Prerequisites

Inputs

What to produce

Method

Filtering and privacy

Limits