# token-optimizer-mcp MCP Server

Context-window optimization: caching, compression & smart file tools that cut tokens 60-90%.

**Publisher claimed.** No tool list reported, and Pod has not connected to this server.

## Status

Pod has not dialled token-optimizer-mcp yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

## Connect

Published as `@ooples/token-optimizer-mcp` on npm. Runs locally.

## Known issues

**22 problems reported by people outside the maintainer team.** Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 12.

### Most discussed

### CRITICAL: 3-6x Performance Degradation - Add Server-Level Timing

# CRITICAL Performance Degradation

**Tasks that used to take 20 minutes are now taking 1-2 hours** (3-6x slowdown)

## Root Cause Analysis (from Gemini CLI)

Gemini identified THREE major bottlenecks in the PowerShell hooks:

### 1. Excessive External Process Spawns (10-50ms EACH)
**Problem**: Each call to `invoke-mcp.ps1` creates a NEW PowerShell process
**Impact**: Happens on EVERY hook invocation
**Fix**: Dot-source invoke-mcp.ps1 as functions instead of spawning processes

### 

[Read the thread](https://github.com/ooples/token-optimizer-mcp/issues/116) · 2025-11-01 · closed · 3 comments

### Living wiki graph: Derived-Knowledge Retrieval (retrieve verdicts, not evidence)

## Summary

Build a per-project **living wiki graph** the agent writes as a side effect of working and reads instead of re-deriving. Full design: [`docs/WIKI_GRAPH.md`](https://github.com/ooples/token-optimizer-mcp/blob/feat/enforce-optimization-by-default/docs/WIKI_GRAPH.md) (#203).

## Why this is the differentiator

Every token optimizer on the market — including ours today — reduces the cost of an *operation*. Compress the output, cache the read, diff the re-read. That is a bounded win: you 

[Read the thread](https://github.com/ooples/token-optimizer-mcp/issues/204) · 2026-07-30 · closed · 2 comments

### feat: add token savings data to current-session.txt for easy real-time monitoring

# Problem

Currently, `current-session.txt` only tracks operation counts, NOT actual token savings:

```json
{
    "lastOptimized": 0,
    "sessionId": "aad1f532-43d3-44af-ba65-6f89c409b122",
    "sessionStart": "20251031-082211",
    "totalOperations": 2201,
    "totalTokens": 0
}
```

Users must manually call `get_session_stats()` MCP tool to see their savings. This creates friction for:
- Real-time monitoring during sessions
- Quick checks of optimization effectiveness
- Dash

[Read the thread](https://github.com/ooples/token-optimizer-mcp/issues/113) · 2025-10-31 · closed · 2 comments

### smart_glob/smart_grep hang >120s (unbounded traversal) on large repo trees; native dir/rg return instantly

## Summary
`smart_glob` and `smart_grep` (token-optimizer MCP **v5.5.0**) hang past the 120s tool timeout and get backgrounded/killed when run against a large/deep repository tree, whereas the native equivalents (`cmd /c dir`, ripgrep) return in well under a second on the same paths. The tools are advertised as *bounded/paginated* replacements for the built-ins, so timing out where the built-in is instant is a correctness/perf defect — and it forces a fallback to the very built-ins the routing p

[Read the thread](https://github.com/ooples/token-optimizer-mcp/issues/335) · 2026-08-28 · closed · 1 comment

### contradictedAt is stored provenance with no reader

Found during #315 (wiki-graph gap closure, part 1 of 3).

`hooks-core/curate.mjs` writes two fields when a contradiction is recorded: `contradictionReason` and `contradictedAt`. The reason now has a reader — it is surfaced in the dispute disclosure when a finding is served. **`contradictedAt` is read by nothing.**

It is stored provenance with no consumer, which is the defect class #315 exists to close, in its quietest form.

## Two honest options

1. **Give it a reader.** The plausible one: age

[Read the thread](https://github.com/ooples/token-optimizer-mcp/issues/318) · 2026-08-26 · closed · 1 comment

### Most recent

### Plan 3: close the defect class, not its instances (#204, part 3 of 3)

Tracking issue for Plan 3 of the #204 wiki-graph work. Part 3 of 3; Plan 1 shipped as #315, Plan 2 is #320.

**The plan is committed and self-sufficient:** `docs/superpowers/plans/2026-08-25-wiki-graph-plan-3-detector-and-allowlist.md` on branch `feat/close-wiki-graph-gaps-plan2`. Read the "Execution state and corrections" section at the bottom first.

**Runs last.** Its allowlist-emptying task is incomplete by construction until Plans 1 and 2 remove their entries.

## Why this is the load-beari

[Read the thread](https://github.com/ooples/token-optimizer-mcp/issues/321) · 2026-08-26 · closed · 0 comments

### Plan 2: make the graph produce findings, and measure whether they pay (#204, part 2 of 3)

Tracking issue for Plan 2 of the #204 wiki-graph work. Part 2 of 3; Plan 1 shipped as #315.

**The plan is committed and self-sufficient:** `docs/superpowers/plans/2026-08-25-wiki-graph-plan-2-production-and-measurement.md` on branch `feat/close-wiki-graph-gaps-plan2`. Its "Execution state and corrections" section at the bottom is **authoritative over the task text above it** ? the tasks were written before Plan 1 ran and are wrong in five specific places.

## What Plan 2 is for

Plan 1 made the

[Read the thread](https://github.com/ooples/token-optimizer-mcp/issues/320) · 2026-08-26 · closed · 0 comments

### Content-addressed anchors: a finding about a vendored file should reach every repo holding it

Extracted from #315 (wiki-graph gap closure, part 1 of 3), where `contentAnchor` was deleted rather than left dormant on the reachability allowlist.

The idea is worth keeping. From its docblock before deletion:

> A vendored library file is the same file in every repository that holds it, whatever path each gives it. Anchoring to content as well as path means a finding about it appears in all of them with no promotion step and no path mapping — reach a per-session checkpoint cannot have even in

[Read the thread](https://github.com/ooples/token-optimizer-mcp/issues/319) · 2026-08-26 · closed · 0 comments

### A drainer killed mid-claim strands its pending-invalidation records

Found during #315 (wiki-graph gap closure, part 1 of 3), in code that PR added.

`drainInvalidations` in `hooks-core/pending.mjs` claims the pending-invalidation queue by renaming it to a per-pid claim file, then reads and deletes the claim. That closes the original defect — a concurrent append being deleted unread — and two drainers cannot lose a record, because the loser's `renameSync` throws and its recovery block is guarded on its own pid.

## The residual

A drainer **killed between the ren

[Read the thread](https://github.com/ooples/token-optimizer-mcp/issues/317) · 2026-08-26 · closed · 0 comments

### Injected text is unescaped: a stored claim or dispute reason can forge lines in the model's context

Found during #315 (wiki-graph gap closure, part 1 of 3). Filed rather than fixed there, because it is a pre-existing class that PR widened rather than introduced.

## The problem

Stored text reaches a model's context without escaping. Two surfaces:

- `hooks-core/curate.mjs` stores `contradictionReason` as `String(reason || '').slice(0, 400)` — unfiltered — and `hooks-core/inject.mjs` renders it with only a trim and a length cap.
- `render()` in `inject.mjs` emits `finding.claim` equally raw, a

[Read the thread](https://github.com/ooples/token-optimizer-mcp/issues/316) · 2026-08-26 · closed · 0 comments

### Dashboard: /wiki route 404s + "active session" widget reads unwired path

Found two bugs in the shipped dashboard (`npm run dashboard`, `dist/server/web-server.js`), tested on v5.7.0 installed via `npm install -g @ooples/token-optimizer-mcp@latest`.

## Bug 1: `/wiki` route 404s (`res.sendFile` fails despite file existing)

`GET /wiki` and clicking the "What it knows" nav tab both 404 with:

```
NotFoundError: Not Found
    at createHttpError (node_modules/send/index.js:861:12)
    at SendStream.error (node_modules/send/index.js:168:31)
    at SendStream.pipe (node_mo

[Read the thread](https://github.com/ooples/token-optimizer-mcp/issues/311) · 2026-08-20 · closed · external user · 0 comments

### Codex plugin installs but MCP server exits before registering tools on Windows

## Summary

The token-optimizer Codex plugin is installed and enabled, but its MCP server exits before registering any tools on Windows. The packaged doctor also fails its server-response check. In addition, the doctor appears to inspect a stale Claude plugin installation (5.5.0) while diagnosing the current Codex/npm package (5.7.0).

## Environment

- Windows 11 (`Microsoft Windows NT 10.0.22631.0`)
- Windows PowerShell `5.1.22621.4249`
- Codex CLI `0.147.0`
- Node.js `v22.2.0`
- npm `10.7.0`

[Read the thread](https://github.com/ooples/token-optimizer-mcp/issues/307) · 2026-08-13 · closed · 0 comments

[See all 19 reports Pod holds for token-optimizer-mcp](/mcp/token-optimizer-mcp/issues) — of 22 qualified upstream.

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