mksglu/ctx-purge
skills/ctx-purge/SKILL.md
Purge the context-mode knowledge base. Permanently deletes all indexed content and resets session stats. This is destructive and cannot be undone. Trigger: /context-mode:ctx-purge
$ install --global
skillsauthnpx skillsauth add mksglu/claude-context-mode ctx-purgeInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: May 12, 2026, 6:21 AM143.2s1 file scanned
SKILL.md
- name:
- ctx-purge
- description:
- |
- Trigger:
- /context-mode:ctx-purge
- user-invocable:
- true
Context Mode Purge
Permanently deletes session data for this project. Two scopes are supported (issue #520):
- Project scope (
scope: "project"): wipes EVERYTHING — knowledge base, all session DB rows for every session, events markdown, and stats. - Session scope (
sessionId: "<id>"orscope: "session"): wipes ONLY the matching session's rows + FTS5 chunks. Sibling sessions, project stats, and the FTS5 store file are preserved.
Instructions
- Decide the scope first with the user:
- "Wipe just one session?" → ask for the
sessionId. - "Wipe the whole project?" → confirm scope:'project' (this is the destructive, irreversible default).
- "Wipe just one session?" → ask for the
- Warn the user about scope:'project'. Everything will be deleted:
- FTS5 knowledge base (all indexed content from
ctx_index,ctx_fetch_and_index,ctx_batch_execute) - Session events DB (analytics, metadata, resume snapshots) for ALL sessions in the project
- Session events markdown file
- In-memory session stats + persisted stats file
- FTS5 knowledge base (all indexed content from
- Call the
mcp__context-mode__ctx_purgeMCP tool with the chosen parameters:- Scoped:
{ confirm: true, sessionId: "<id>" }— implies scope:'session'. - Project:
{ confirm: true, scope: "project" }— explicit destructive form. - Bare
{ confirm: true }still works but emits a deprecation warning. Prefer the explicit forms.
- Scoped:
- Report the result to the user — the response lists exactly what was deleted and (for scoped purges) confirms that other sessions and project stats were preserved.
Schema rules
confirm: trueis always required.sessionIdandscope: "project"together is REJECTED as ambiguous (the sessionId implies session scope; combining with project scope contradicts intent).scope: "session"withoutsessionIdthrows — sessionId is required.
When to Use
- Scoped (per-session): scratch acceptance scenarios, drill replays, isolating a polluted session without losing the main working session's stats.
- Project: KB contains stale or incorrect content polluting search results, switching between unrelated projects in the same session, completely fresh start.
Important
ctx_purgeis the only way to delete session data. No other mechanism exists.ctx_statsis read-only — shows statistics only./clearand/compactdo NOT affect any context-mode data.- There is no undo. Re-index content if you need it again.
Related Skills
mksglu/ctx-search
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Search context-mode's persistent FTS5 knowledge base for previously indexed local project content, documentation, or session memory. Trigger: /context-mode:ctx-search
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