Claude HistorianSAFE
📜 An MCP server for conversation history search and retrieval in Claude Code
Overview
From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.
An Model Context Protocol (MCP) server for searching your Claude Code conversation history. Find past solutions, track file changes, and learn from previous work.
[](https://www.npmjs.com/package/claude-historian-mcp) [](https://opensource.org/licenses/MIT) [](https://www.typescriptlang.org/) [](https://nodejs.org/) [](#) [](https://github.com/Vvkmnn/claude-historian-mcp)
install
Requirements:
[![Claude Code](https://img.shields.io/badge/Claude_Code-555?logo=data:image/svg%2bxml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAxOCAxMCIgc2hhcGUtcmVuZGVyaW5nPSJjcmlzcEVkZ2VzIj4KICA8IS0tIENsYXdkOiBDbGF1ZGUgQ29kZSBtYXNjb3QgLS0+CiAgPCEtLSBEZWNvZGVkIGZyb206IOKWkOKWm+KWiOKWiOKWiOKWnOKWjCAvIOKWneKWnOKWiOKWiOKWiOKWiOKWiOKWm+KWmCAvIOKWmOKWmCDilp3ilp0gLS0+CiAgPCEtLSBTdWItcGl4ZWxzIGFyZSAxIHdpZGUgeCAyIHRhbGwgdG8gbWF0Y2ggdGVybWluYWwgY2hhciBjZWxsIGFzcGVjdCByYXRpbyAtLT4KICA8cmVjdCBmaWxsPSIjZDk3NzU3IiB4PSIzIiAgeT0iMCIgd2lkdGg9IjEyIiBoZWlnaHQ9IjIiLz4KICA8cmVjdC
28186b331281OBSERVED · 2026-10-06Connect
Built from this server's own package name, version and transport as found in its source — not copied from anyone's documentation, so it cannot drift against a page we do not control.
claude mcp add claude-historian-mcp -- npx -y [email protected]
{
"mcpServers": {
"claude-historian-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
]
}
}
}Exposed tools (9)
9 read · 0 write · 0 destructive.
| Tool | Risk | Description |
|---|---|---|
extract_compact_summary | read | Get intelligent summary of a conversation session with key insights |
find_file_context | read | Find all conversations and changes related to a specific file |
find_similar_queries | read | Find previous similar questions or queries with enhanced matching |
find_tool_patterns | read | Analyze tool usage patterns, workflows, and successful practices |
get_error_solutions | read | Find solutions for specific errors with enhanced matching |
inspect | read | |
list_recent_sessions | read | Browse recent sessions with smart activity detection and summaries |
search | read | |
search_conversations | read | Search through Claude Code conversation history with smart insights |
Trust audit
SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.
| Layer | What it checks | Result |
|---|---|---|
| L0 | Provenance & inventory | PASS |
| L1 | Static analysis of the code | PASS |
| L2 | Instruction surface (what it tells the agent) | PASS |
| L3 | Class-specific surface | PASS |
| L4 | Behavioural (sandbox) | SKIPPED |
What the source does
- Filesystem
- declared (2 observation(s))
- Network
- none-observed
- Shell
- declared (3 observation(s))
- Dependencies
- not all pinned
- Secrets in source
- none-found
Findings (7)
.releaserc.json
[** -- Claude's built-in memory (`CLAUDE.md` + auto-memory). Persists project rules and preferences across sessions. Forward-look
claude-historian-v1.0.1-fixed.dxt
4. Results returned as tool output, not system prompt
Gates applied: no_behavioural_pass.
28186b331281full audit observations/trust-audit/mcp-server/vvkmnn__claude-historian.json · Report an issue / request a re-scanAudit history
Every audit this server has had. A grade with a past is a grade somebody is still checking.
| Date | Source | Verdict | Grade | Score | Change |
|---|---|---|---|---|---|
| 2026-10-06 | 28186b331281 | SAFE | B | 89 | first audit |
Questions
What is the Claude Historian MCP server?
📜 An MCP server for conversation history search and retrieval in Claude Code
What tools does Claude Historian expose?
9 in total: 9 read-only, 0 that write, and 0 that can delete or overwrite. Every one is listed on this page with its risk.
Is Claude Historian safe to connect to an agent?
The audit found nothing in the source that contradicts what it says it does, and graded it B (89/100). Grade A is held back for packages that have also passed a sandboxed behavioural run, which is why a clean server reads B.
What credentials does Claude Historian need?
No credential environment variables were found in its source, so it appears to need none.
How does Claude Historian run?
It speaks stdio, so it runs as a local process your client starts. It is published on npm as claude-historian-mcp at 1.0.6-beta.0.
How current is this page?
The grade is for one exact copy of the source (28186b331281), read on 2026-10-06. The repository is watched and re-audited when it changes.