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# Consult7 MCP Server
**Consult7** is a Model Context Protocol (MCP) server that enables AI agents to consult large context window models via [OpenRouter](https://openrouter.ai) for analyzing extensive file collections - entire codebases, document repositories, or mixed content that exceed the current agent's context limits.
## Why Consult7?
**Consult7** enables any MCP-compatible agent to offload file analysis to large context models (up to 2M tokens). Useful when:
- Agent's current context is full
- Task requires specialized model capabilities
- Need to analyze large codebases in a single query
- Want to compare results from different models
> "For Claude Code users, Consult7 is a game changer."
## How it works
**Consult7** collects files from the specific paths you provide (with optional wildcards in filenames), assembles them into a single context, and sends them to a large context window model along with your query. The result is directly fed back to the agent you are working with.
## Example Use Cases
### Quick codebase summary
* **Files:** `["/Users/john/project/src/*.py", "/Users/john/project/lib/*.py"]`
* **Query:** "Summarize the architecture and main components of this Python project"
* **Model:** `"google/gemini-3-flash-preview"`
* **Mode:** `"fast"`
### Deep analysis with reasoning
* **Files:** `["/Users/john/webapp/src/*.py", "/Users/john/webapp/auth/*.py", "/Users/john/webapp/api/*.js"]`
* **Query:** "Analyze the authentication flow across this codebase. Think step by step about security vulnerabilities and suggest improvements"
* **Model:** `"anthropic/claude-opus-4.8"`
* **Mode:** `"think"`
### Generate a report saved to file
* **Files:** `["/Users/john/project/src/*.py", "/Users/john/project/tests/*.py"]`
* **Query:** "Generate a comprehensive code review report with architecture analysis, code quality assessment, and improvement recommendations"
* **Model:** `"google/gemini-3.1-pro-preview"`
* **Mode:** `"think"`
* **Output File:** `"/Users/john/reports/code_review.md"`
* **Result:** Returns `"Result has been saved to /Users/john/reports/code_review.md"` plus a one-line metadata footer, instead of flooding the agent's context
## Featured: Gemini 3.1 Models
Consult7 supports **Google's Gemini 3.1** family:
- **Gemini 3.1 Pro** (`google/gemini-3.1-pro-preview`) - Flagship reasoning model, 1M context
- **Gemini 3 Flash** (`google/gemini-3-flash-preview`) - Ultra-fast model, 1M context
- **Gemini 3.1 Flash Lite** (`google/gemini-3.1-flash-lite-preview`) - Ultra-fast lite model, 1M context
**Quick mnemonics for power users:**
- **`gemt`** = Gemini 3.1 Pro + think (flagship reasoning)
- **`gemf`** = Gemini 3 Flash + fast (ultra fast)
- **`gptt`** = GPT-6 Astra + think (latest GPT, effort xhigh)
- **`grot`** = Grok 4.7 + think (effort xhigh)
- **`oput`** = Claude Opus 4.8 + think (adaptive thinking)
- **`fabt`** = Claude Fable 5.1 + think (deepest reasoning, effort xhigh; premium)
- **`ULTRA`** = Run GPTT, GROT, and FABT in parallel (3 frontier models)
- **`FUSE`** = Fusion: a frontier panel deliberates and a judge synthesizes, in one call
These mnemonics make it easy to reference model+mode combinations in your queries.
> **Note on Fable 5.1.** `anthropic/claude-fable-5.1` is Anthropic's most capable model but priced at a premium (~2× Opus 4.8). It **does not replace Opus 4.8** as the everyday Claude choice for single calls. Since v3.11.0 it holds the Anthropic seat in the `ULTRA` panel (which is meant for hard questions anyway). Unlike Opus 4.8 (adaptive thinking only), OpenRouter honors Fable's effort scale, so `mid`/`think` map to `effort=high`/`effort=xhigh`.
## Featured: Fusion (multi-model analysis)
Consult7 supports OpenRouter's **Fusion** (`openrouter/fusion`) — a single call where a panel of frontier models (Opus, GPT, Gemini Pro) answers your query in parallel and a judge model synthesizes their responses into one answer. Reach for it on hard questions where multiple perspectives help and the cost of being wrong outweighs a few extra completions.
- **Context:** 128K — smaller than the 1M–2M single models, so it's best for hard questions on moderate input, not giant file bundles.
- **Mode → research depth:** `fast` / `mid` / `think` map the panel's web-search/fetch budget to `max_tool_calls` of 2 / 8 / 16.
- **Mnemonic:** `FUSE` = `openrouter/fusion`.
Trivial prompts answer directly (no panel); the panel fires only when the question warrants deliberation. Fusion is billed per panel run, so it costs more than a single-model call.
## Installation
### Claude Code
Simply run:
```bash
claude mcp add -s user consult7 uvx -- consult7 your-openrouter-api-key
```
### Claude Desktop
Add to your Claude Desktop configuration file:
```json
{
"mcpServers": {
"consult7": {
"type": "stdio",
"command": "uvx",
"args": ["consult7", "your-openrouter-api-key"]
}
}
}
```
Replace `your-openrouter-api-key` with your actual OpenRouter API key.
No installation required - `uvx` automatically downloads and runs consult7 in an isolated environment.
## Command Line Options
```bash
uvx consult7 <api-key> [--test]
```
- `<api-key>`: Required. Your OpenRouter API key
- `--test`: Optional. Test the API connection
The model and mode are specified when calling the tool, not at startup.
## Supported Models
Consult7 supports **all 500+ models** available on OpenRouter. Below are the flagship models with optimized dynamic file size limits:
| Model | Context | Use Case |
|-------|---------|----------|
| `openai/gpt-6-astra` | 1M | Latest top-tier GPT, effort-based reasoning; premium price |
| `google/gemini-3.1-pro-preview` | 1M | **Flagship reasoning model** |
| `google/gemini-3-flash-preview` | 1M | **Gemini 3 Flash, ultra fast** |
| `google/gemini-3.1-flash-lite-preview` | 1M | Ultra-fast lite model |
| `anthropic/claude-fable-5.1` | 1M | Most capable; **premium price — reserved for hard problems** |
| `anthropic/claude-opus-4.8` | 1M | Best quality, adaptive thinking |
| `anthropic/claude-sonnet-4.6` | 1M | Excellent reasoning, fast |
| `anthropic/claude-haiku-4.5` | 200k | Budget, very fast |
| `x-ai/grok-4.7` | 500k | Frontier Grok, effort-based reasoning |
| `x-ai/grok-4.20` | 2M | Automatic reasoning, huge context |
| `x-ai/grok-4.1-fast` | 2M | Largest context window |
| `openrouter/fusion` | 128k | Multi-model panel + judge (see Featured: Fusion) |
Superseded IDs still work with their tuned settings: `openai/gpt-5.6-sol`, `x-ai/grok-4.6`, `anthropic/claude-fable-5`.
**Quick mnemonics:**
- `gptt` = `openai/gpt-6-astra` + `think` (latest GPT, deep reasoning [effort xhigh]; premium)
- `gemt` = `google/gemini-3.1-pro-preview` + `think` (Gemini 3.1 Pro, flagship reasoning)
- `grot` = `x-ai/grok-4.7` + `think` (Grok 4.7, deep reasoning [effort xhigh]; 500K context — use `x-ai/grok-4.20` for bigger bundles)
- `oput` = `anthropic/claude-opus-4.8` + `think` (Claude Opus, adaptive thinking)
- `opuf` = `anthropic/claude-opus-4.8` + `fast` (Claude Opus, no reasoning)
- `fabt` = `anthropic/claude-fable-5.1` + `think` (Claude Fable, deepest reasoning [effort xhigh]; premium, hard problems only)
- `fabm` = `anthropic/claude-fable-5.1` + `mid` (Claude Fable, high-effort reasoning; premium)
- `gemf` = `google/gemini-3-flash-preview` + `fast` (Gemini 3 Flash, ultra fast)
- `ULTRA` = call GPTT, GROT, and FABT IN PARALLEL (3 frontier models for maximum insight)
- `FUSE` = `openrouter/fusion` (one call: a frontier panel deliberates, a judge synthesizes; mode sets web-research depth)
You can use any OpenRouter model ID (e.g., `deepseek/deepseek-r1-0528`). See the [full model list](https://openrouter.ai/models). File size limits are automatically calculated based on each model's context window.
## Performance Modes
- **`fast`**: No reasoning requested - quick answers, simple tasks. GPT-6 Astra, Grok 4.7 and Fable reason by design, so on them `fast` means their own default level (billed), shown in the footer as `reasoning: model default`
- **`mid`**: Moderate reasoning - code reviews, bug analysis
- **`think`**: Maximum reasoning - security audits, complex refactoring
## File Specification Rules
- **Absolute paths only**: `/Users/john/project/src/*.py`
- **Wildcards in filenames only**: `/Users/john/project/*.py` (not in directory paths)
- **Extension required with wildcards**: `*.py` not `*`
- **Mix files and patterns**: `["/path/src/*.py", "/path/README.md", "/path/tests/*_test.py"]`
**Common patterns:**
- All Python files: `/path/to/dir/*.py`
- Test files: `/path/to/tests/*_test.py` or `/path/to/tests/test_*.py`
- Multiple extensions: `["/path/*.js", "/path/*.ts"]`
**Automatically ignored:** `__pycache__`, `.env`, `secrets.py`, `.DS_Store`, `.git`, `node_modules`. Wildcards skip them; naming one explicitly is an error.
**Fail fast:** a relative or missing path, a directory, a wildcard that matches nothing, an explicitly named ignored file, a binary file (NUL bytes in the first 8 KB), or files over the model's size budget fail the whole call before anything is sent to the model (no cost). The error lists every problem.
**Size budget:** one total for all files together, no per-file limit: (model context − output reserve − reasoning reserve) × ~4 bytes per token, e.g. ~4 MB for 1M-context models, ~2 MB for Grok 4.7 (500K), ~8 MB for Grok 4.20 (2M). A second check on the estimated token count keeps a 10% safety margin. A size error states the budget and the total requested.
## Tool Parameters
The consultation tool accepts the following parameters:
- **files** (required): List of absolute file paths or patterns with wildcards in filenames only
- **query** (required): Your question or instruction for the LLM to process the files
- **model** (required): The LLM model to use (see Supported Models above)
- **mode** (required): Performance mode - `fast`, `mid`, or `think`
- **output_file** (optional): Absolute path to save the response to a file instead of returning it
- The path is checked before the model is called, so a bad path costs nothing
- If the file exists, it will be saved with `_updated` suffix (e.g., `report.md` → `report_updated.md`, then `report_updated_1.md`, ...)
- When specified, returns `"Result has been saved to /path/to/file"` plus the metadata footer
- Useful for generating reports, documentation, or analyses without flooding the agent's context
- **zdr** (optional): Enable Zero Data Retention routing (default: `false`)
- When `true`, routes only to endpoints with ZDR policy (prompts not retained by provider)
- ZDR available: GPT-6 Astra, Grok 4.7, Gemini 3.1 Pro/Flash, Claude Opus 4.8, GPT-5, GPT-5.5, Grok 4.6
- Not available: Claude Fable 5.1 and 5, GPT-5.6 Sol, Grok 4.20 (returns error)
## Usage Examples
### Via MCP in Claude Code
Claude Code will automatically use the tool with proper parameters:
```json
{
"files": ["/Users/john/project/src/*.py"],
"query": "Explain the main architecture",
"model": "google/gemini-3-flash-preview",
"mode": "fast"
}
```
### Via Python API
```python
from consult7.consultation import consultation_impl
result = await consultation_impl(
files=["/path/to/file.py"],
query="Explain this code",
model="google/gemini-3-flash-preview",
mode="fast", # fast, mid, or think
provider="openrouter",
api_key="sk-or-v1-..."
)
```
## Testing
```bash
# Test OpenRouter connection
uvx consult7 sk-or-v1-your-api-key --test
```
## Uninstalling
To remove consult7 from Claude Code:
```bash
claude mcp remove consult7 -s user
```
## Version History
### v3.11.2
- **No per-file size limit.** The files share one total budget, so a single large file can use all of it (before, one file was capped at half the budget). Size errors report the total requested and the budget, and token errors mention the 10% safety margin.
- **Binary files fail fast** (NUL bytes in the first 8 KB) instead of being sent as garbage tokens.
- **Unknown model IDs:** when a model is not in OpenRouter's model list, errors say so, name the assumed 128K context, and suggest the closest listed IDs. Variant IDs such as `model:nitro` use the base model's context size.
- **Footer:** wall-clock `time`, the mode always shown (`[fast]` too), `zdr` shown when on. Both token estimates now use the same prompt text, and a rejected `fast` call no longer claims `reasoning disabled`.
### v3.11.1
- **Fail fast before any paid call.** A missing file in a list, a wildcard that matches nothing, an explicitly named ignored file (`.env`, `secrets.py`, ...), or files over the model's per-file or total size limit now fail the call with a clear error before anything is sent. Before, these were reported only inside the prompt (or dropped), and the paid call went through on partial input.
- **`output_file` is checked before the call.** A relative or unwritable path fails at no cost. If saving still fails after the call, the response is returned instead of being lost.
- **Errors set `isError=true`** in the MCP result, so clients and wrappers can detect failures without parsing text.
- Upstream error messages no longer include the OpenRouter account `user_id`.
- Footer: `1 file` (not `1 files`). On `fast`, models that always reason (GPT-6 Astra, Grok 4.7, Fable) show `reasoning: model default`.
- Shorter tool description (under 2,000 characters, file rules first). Claude Code truncated the old one before the file rules.
### v3.11.0
- **New ULTRA panel: GPTT + GROT + FABT** (3 models in parallel). Gemini 3.1 Pro leaves the panel (`gemt` and all Gemini models stay available); Opus 4.8 (`oput`/`opuf`) stays available but its ULTRA seat goes to Fable.
- **`gptt` → GPT-6 Astra** (`openai/gpt-6-astra`, 1M context, $10/$50 per M) — also the model used by `consult7 <key> --test`. Reasoning is mandatory on Astra, so `mid`/`think` now map to `effort=high`/`effort=xhigh` (GPT-5.6 Sol used `medium`/`high`). ZDR supported.
- **`grot` → Grok 4.7** (`x-ai/grok-4.7`, 500K context; grok 4.6 had been the default since v3.10.0). Same effort mapping (`high`/`xhigh`). ZDR supported.
- **`fabt`/`fabm` → Claude Fable 5.1** (`anthropic/claude-fable-5.1`, 1M context). Same effort mapping. ZDR not supported.
- Superseded IDs (`openai/gpt-5.6-sol`, `x-ai/grok-4.6`, `anthropic/claude-fable-5`) keep working with their previous settings.
### v3.9.0
- **New default GPT: GPT-5.6 Sol** (`openai/gpt-5.6-sol`) — the latest top-tier GPT, ~1M context / 128K output, effort-based reasoning (`mid` → `effort=medium`, `think` → `effort=high`). Replaces GPT-5.5 as the `gptt` default; GPT-5.5 stays available as a legacy model. ZDR is **not** supported on GPT-5.6 Sol (GPT-5.5 still is).
- **Grok 4.5 not added:** `x-ai/grok-4.5` is region-restricted on OpenRouter (returns a 403 "not available in your region") and could not be verified against the real API, so it was not integrated. Grok 4.20 remains the `grot` default.
### v3.8.0
- **Added Claude Fable 5** (`anthropic/claude-fable-5`) — Anthropic's most capable model, 1M context. Premium price (~2× Opus 4.8), so it's **reserved for specifically hard problems** and is **not** part of the `ULTRA` panel; it does not replace Opus 4.8 as the default Claude model. New mnemonics `fabt` (think) / `fabm` (mid). Unlike Opus 4.8 (adaptive thinking only), OpenRouter honors Fable's effort scale, so `mid`/`think` map to `effort=high`/`effort=xhigh` (`max` intentionally not exposed — it tends to overthink at ~2× token cost). ZDR not supported (Fable requires 30-day retention).
- **Response-length prompt tuned:** the system prompt now asks the model to match answer length to the task (thorough when the question needs depth, concise otherwise) instead of a blunt "be concise".
### v3.7.1
- Surface mid-stream API errors: when OpenRouter sends an error as a streaming data chunk (after the initial 200), the call now returns that error message instead of a misleading "No content received".
### v3.7.0
- Added **Fusion** (`openrouter/fusion`) — a multi-model panel plus a judge in one call; `mode` maps to web-research depth (`fast`/`mid`/`think` → `max_tool_calls` 2/8/16). New `FUSE` mnemonic.
- Upgraded Claude Opus 4.7 → **4.8** (1M context, adaptive thinking); `oput`/`opuf` now point to 4.8, and 4.7 is kept as a legacy ID.
- The response footer now reports the **call cost in USD** (from OpenRouter usage accounting), e.g. `cost: $0.0923`.
### v3.6.1
- Toggle-reasoning footer now distinguishes `mid` vs `think` for adaptive models (Opus, Grok)
- Friendlier error message when a model has no Zero Data Retention endpoint
- `output_file` return now includes the metadata footer so callers can verify what ran
### v3.6.0
- Upgraded models: GPT-5.5, Claude Opus 4.7, Grok 4.20
- Claude Opus 4.7 (1M context) uses adaptive thinking — `reasoning.enabled=true`
- Grok 4.20 (2M context) uses automatic reasoning — `reasoning.enabled=true`
- Updated mnemonics: `gptt` → GPT-5.5, `oput`/`opuf` → Claude Opus 4.7, `grot` → Grok 4.20
- Legacy model IDs still supported
### v3.5.0
- Upgraded GPT-5.2 → GPT-5.4 (~1M context)
### v3.4.0
- Upgraded models: Gemini 3.1 Pro, Claude Opus 4.6, Claude Sonnet 4.6, Grok 4.1 Fast
- Added new models: Claude Haiku 4.5, Gemini 3.1 Flash Lite
- Updated mnemonics: `gemt` → Gemini 3.1 Pro, `oput`/`opuf` → Claude Opus 4.6
- Legacy model IDs still supported
### v3.3.0
- Fixed GPT-5.2 thinking mode truncation issue (switched to streaming)
- Added `google/gemini-3-flash-preview` (Gemini 3 Flash, ultra fast)
- Updated `gemf` mnemonic to use Gemini 3 Flash
- Added `zdr` parameter for Zero Data Retention routing
### v3.2.0
- Updated to GPT-5.2 with effort-based reasoning
### v3.1.0
- Added `google/gemini-3-pro-preview` (1M context, flagship reasoning model)
- New mnemonics: `gemt` (Gemini 3 Pro), `grot` (Grok 4), `ULTRA` (parallel execution)
### v3.0.0
- Removed Google and OpenAI direct providers - now OpenRouter only
- Removed `|thinking` suffix - use `mode` parameter instead (now required)
- Clean `mode` parameter API: `fast`, `mid`, `think`
- Simplified CLI from `consult7 <provider> <key>` to `consult7 <key>`
- Better MCP integration with enum validation for modes
- Dynamic file size limits based on model context window
### v2.1.0
- Added `output_file` parameter to save responses to files
### v2.0.0
- New file list interface with simplified validation
- Reduced file size limits to realistic values
## License
MIT
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