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spect8-mcp

v0.7.1

Published

Spect8 local MCP server: captures tool events + token usage from Cursor, Codex CLI and Claude Code via passive log tailing + deterministic hooks (no agent cooperation needed), with self-healing install. Posts HMAC-signed batches to the Spect8 ingest API.

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Links

Git

Maintainers

harseeratharseerat

Keywords

Readme

spect8-mcp

Captures how you use AI coding tools — Cursor, Claude Code, and Codex CLI — and forwards the telemetry (metadata only) to the Spect8 ingest API.

Capture is deterministic and automatic: it does not depend on the agent choosing to call any tool. It works via each IDE's own signals —

  • Claude Code — lifecycle hooks (~/.claude/settings.json) + the session JSONL for token usage.
  • Codex CLI — a passive tailer over ~/.codex/sessions/** that derives tool events + token usage from Codex's own logs. No hooks needed.
  • Cursor — hooks (~/.cursor/hooks.json) for tool events; token usage from Cursor's local DB, and (for teams) the Cursor Admin API.

Install

One command. It opens your browser to link this machine, then auto-detects and configures every supported IDE it finds:

npx -y spect8-mcp setup

That's the whole thing. On success it prints Connected ✓ and the capture tier per IDE. Re-running it is safe (idempotent), and the running server self-heals its config, so removed hooks come back on their own.

Options

# Configure just one IDE
npx -y spect8-mcp setup --ide cursor        # cursor | claude-code | codex

# Check status / re-verify
npx -y spect8-mcp detect                    # list detected IDEs + capture tier
npx -y spect8-mcp doctor                    # config + connectivity checks

# Re-write or remove config
npx -y spect8-mcp install all               # cursor | claude-code | codex | all
npx -y spect8-mcp uninstall all

Install globally instead of npx if you prefer:

npm install -g spect8-mcp
spect8 setup

Non-interactive / CI

Supply the key and ingest URL directly (skips the browser):

SPECT8_INGEST_HMAC_KEY=<key> npx -y spect8-mcp setup --ide cursor
# or, positionally:
npx -y spect8-mcp setup <key> <ingest_url> --ide cursor

Config lives in ~/.spect8/config.json; every field also has a SPECT8_ env-var equivalent (SPECT8_INGEST_URL, SPECT8_DEVELOPER_ID, …). Set SPECT8_NO_AUTO_INSTALL=1 to disable the server's self-heal.

What gets written

  • ~/.cursor/mcp.json, ~/.cursor/hooks.json (Cursor)
  • ~/.claude/settings.json (Claude Code hooks)
  • ~/.codex/config.toml (Codex MCP entry; capture is via the tailer)
  • ~/.spect8/config.json (your key + developer id)

Nothing is written into your project/repo. Secrets are never placed in IDE config files.