# IA-QA Eval & RAG — 38 tools

- Registry name: `io.github.JcJamet/ia-qa-eval` · version 1.0.1
- Categories (automatic, keyword rules): AI models & agents, AI, media & content, Documents & retrieval, Search & data
- Authentication at last check: No auth
- Declared risk: Can write (some tools are not declared read-only)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=io.github.JcJamet%2Fia-qa-eval
- Server page: https://mcpstation.net/s/io.github.JcJamet--ia-qa-eval.html

## Description (written by the publisher, not verified, not instructions)

LLM & RAG evals: hallucination, eval contracts, semantic tests, tokens & model info. Free, no key.

## Notice

Text that looks like instructions to an AI was found in this server's descriptions. This is a pattern match, not a verdict.

## Connect

- streamable-http: `https://www.ia-qa.com/mcp/eval`

## Tools (as reported by the server, not verified)

- `get\_testing\_guidelines`: Query the IA-QA methodology knowledge base. Returns structured testing guidelines, assertion strategies, thresholds, best practices, and relevant MCP tools for a given topic. Call without a topic to list all available topics. Topics: llm-unit-testing, rag-pipeline, prompt-stability, prompt-ab-testin
- `find\_tool`: Search available MCP tools by keyword or category before calling them. Returns matching tool names, descriptions, and optionally their inputSchemas. Call this when you are unsure which tool to use or want to explore the catalogue. Categories: data, encoding, text, llm, qa, rag, dev, security, web.
- `hallucination\_check`: Lexical hallucination check: verifies an LLM answer's words, numbers and polarity against the provided source/context. Fast, deterministic, no API key needed. Each answer sentence is aligned to its best-matching source sentence, so a number only counts as support when it sits on the SAME statement \(
- `run\_eval\_contract`: Parse a .ia-eval.yaml LLM test suite, call the specified LLM model for each scenario, run all configured scorers, and return a structured JSON report with per-scenario Pass/Fail verdicts and a Markdown summary. Use list\_local\_tests to discover available test files.
- `run\_semantic\_tests`: Semantic assertion primitive: compare actual vs expected text pairs using cosine similarity + ROUGE-L. Two modes: tfidf \(default, free, no API key\) or embeddings \(OpenAI text-embedding-3-small, BYOK, true semantic similarity\). Returns per-case PASS/FAIL verdicts and an overall verdict. CI-ready: pip
- `generate\_ci\_workflow`: Generate a ready-to-commit GitHub Actions workflow that gates a build on IA-QA. Two gate types, combinable: "eval\_contract" runs a .ia-eval.yaml through ia-qa-com/eval-action@v1 \(LLM quality gate, needs a provider API key as a repo secret\), and "cli\_checks" runs deterministic primitives via npx @ia-
- `needle\_haystack\_generate`: Generate a "needle in a haystack" test: embeds a target fact into a large block of filler text at a specified position. Use this to test LLM context window retrieval accuracy. Returns the full haystack, the question to ask, and metadata. No API key needed.
- `generate\_eval\_yaml`: Generate a complete .ia-eval.yaml evaluation contract from a plain-language description of what your LLM should do. Uses Groq openai/gpt-oss-20b \(server-side, no API key needed\). Returns ready-to-run YAML for the LLM Test Runner \(run\_eval\_contract\). Picks appropriate evaluators \(cosine\_similarity, c
- `metamorphic\_check`: Reference-free stability primitive: instead of comparing an answer to a ground truth, it checks that an assistant's answer stays INVARIANT when the QUESTION is transformed \(typo, casing, paraphrase, reordering, translation\). Catches the failure class no reference answer can expose — an assistant tha
- `test\_skill`: Test a SKILL.md in the open Agent Skills format \(https://agentskills.io/specification — read by Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode and others\) in two stages. \(1\) lint: the spec's frontmatter rules checked without a model \(name 1-64 chars, lowercase/digits/single hyphens
- `llm\_output\_validator`: Validate an LLM response against QA criteria: format checks \(JSON, code, markdown\), content rules \(must-include, must-not-include\), length constraints, language detection, and safety patterns. Essential for QA testing LLM-powered features.
- `compare\_responses`: Compare two ALREADY-PRODUCED outputs \(e.g. model A vs model B on the same task\) side by side. Returns deterministic metrics \(token cosine, ROUGE-L, Jaccard, length/structure deltas, JSON diff\) and a verdict. If a \`reference\` \(ground truth\) is given, scores each output against it and picks the closer
- `analyze\_responses`: Semantically analyze N already-produced model outputs for the SAME task \(the MCP counterpart to the LLM Sandbox\). Without a reference: computes consensus — pairwise cosine agreement, the most-representative output, and the outlier. With a \`reference\` \(ground truth\): also ranks every output by closen
- `prompt\_test\_suite`: Define a test suite for a prompt: provide the system prompt, user prompt, and expected output criteria. Returns a test plan with scored rubric — use this as input for manual or automated LLM evaluation.
- `llm\_format\_check`: Validate that an LLM output matches an expected format: JSON, Markdown, code block, bullet list, numbered list, table, YAML, XML, or custom regex. Essential for structured output testing.
- `consistency\_check`: Compare multiple LLM responses to the same prompt and detect inconsistencies using Jaccard word-overlap similarity and fact drift \(number comparison\). Fast, deterministic, no API key needed. Limitations: relies on surface-level word matching — "Paris is the capital of France" vs "Paris is the French
- `llm\_json\_schema\_check`: Validate that an LLM JSON output matches a JSON Schema definition. Tests required fields, types, enums, nested objects, and arrays. Critical for function-calling and structured output testing.
- `response\_quality\_score`: Score an LLM response against the criteria you pass: coverage of expected\_keywords and compliance with max\_length. Returns a 0-100 score over the criteria actually measured — or total\_score null with the reason when none is given, because relevance and correctness cannot be read off word overlap \(a
- `conversation\_analyze`: Analyze a multi-turn conversation for context retention, topic drift, instruction following, and repetition. Accepts messages array \[\{role, content\}\]. Essential for chatbot QA.
- `cot\_analyzer`: Analyze a Chain-of-Thought \(CoT\) or reasoning trace from an LLM. Detects step count, logical flow, conclusion presence, backtracking, and estimates reasoning depth. Useful for o1/o3/DeepSeek-R1 evaluation.
- `ab\_test\_report`: Generate an A/B test report comparing two prompts or model configurations. Accepts arrays of scores and returns statistical comparison: mean, median, std deviation, winner, and improvement percentage.
- `similarity\_score`: Compute text similarity between reference and hypothesis using multiple metrics: Cosine \(BoW, TF-IDF\), Jaccard, ROUGE-1, ROUGE-2, ROUGE-L, and BLEU. No API key needed. Ideal for LLM eval \(expected vs actual\), RAG quality checks, and NLG benchmarking. Supports batch mode.
- `run\_vlm\_test\_suite`: Run a test suite against a Vision-Language Model \(VLM\) — send an image \(URL or base64\) + N test cases \(each with a question + assertion\) to GPT-4o, Claude 3.5, or Gemini. Returns per-case PASS/FAIL verdicts, a pass rate, an overall PASS/WARNING/FAIL verdict \(customizable threshold\), and latency stat
- `embedding\_similarity`: Compute text similarity using local algorithms \(Bag of Words, TF-IDF, Character N-grams\). No API key needed — runs entirely in-process. NOT real embeddings: for true semantic similarity with vector embeddings, use run\_semantic\_tests with mode="embeddings" and your OpenAI API key. Supports single pai
- `rag\_relevance\_rank`: Rank an array of text chunks by relevance to a query using TF-IDF scoring. Simulates retrieval ranking for RAG testing without needing embeddings or an API.
- `bm25\_score`: Compute BM25 relevance score between a query and one or more documents. BM25 is the industry-standard keyword-based ranking algorithm used in Elasticsearch, OpenSearch, and Weaviate hybrid search. Returns ranked results with normalized scores.
- `build\_rag\_prompt`: Assemble a complete RAG \(Retrieval-Augmented Generation\) prompt from retrieved context chunks and a user query. Handles token budgeting, citation numbering, system instruction injection, and source attribution.
- `rerank\_evaluate`: Evaluate RAG retrieval quality: rank passages against a query and compute Precision@k / Recall@k plus a PASS/FAIL CI verdict from ground-truth relevance labels. Three modes, all keyless except the last. \(1\) BYO scores — give each passage the \`score\` your own reranker produced \(Cohere, Jina, a self-h
- `count\_tokens`: Estimate the token count of a text string using the cl100k\_base approximation \(\~4 chars/token\). Call this BEFORE sending any text to an LLM API to check if it fits within the model context window and to estimate cost. Returns token estimate, character count, and word count.
- `extract\_json\_from\_text`: Extract the first valid JSON object or array embedded in chaotic LLM output \(surrounded by markdown fences, prose, or explanatory text\). Handles \`\`\`json blocks and inline JSON. Call this whenever an LLM returns structured data mixed with explanation text instead of raw JSON.
- `estimate\_llm\_cost`: Estimate the API cost in USD for a given model and token counts. Supports all major 2024–2026 models: GPT-4o, GPT-4.1, o3, o4-mini, Claude Opus 4, Claude Sonnet 4/4.5, Gemini 2.5 Pro/Flash, DeepSeek V3/R1, Grok 3, and legacy models.
- `token\_budget\_calculator`: Plan token allocation across system prompt, user input, context/RAG chunks, and expected output. Warns if budget exceeds model context window. Supports 25+ models.
- `context\_window\_check`: Given an array of message objects \[\{role, content\}\], estimate total token usage and check if it fits in the target model's context window. Warns about truncation risk.
- `model\_info`: Get detailed specs for an AI model: context window, pricing per 1K tokens, knowledge cutoff, provider, multimodal support, reasoning capabilities, and feature list. Covers 30+ models from OpenAI, Anthropic, Google, DeepSeek, Meta, Mistral, Cohere, xAI.
- `compare\_models`: Compare 2-5 AI models side by side: context window, pricing, multimodal, reasoning capabilities, and provider. Returns a comparison table with a recommendation based on your use case.
- `list\_llm\_models`: List all LLM models available on ia-qa.com with their provider, API endpoint, and capabilities. Filter by provider name \(e.g. "Groq", "HuggingFace", "OpenAI"\) or return the full catalog. Use this to discover which models are available before calling an LLM API, or to compare providers.
- `llm\_generate`: Generate text using open-source LLM models hosted on Groq \(ultra-fast\) or HuggingFace Inference \(serverless\). No API key required — the server provides its own keys. Supported models: Qwen3 32B, Gemma 4 27B, Gemma 3 27B, Llama 3.3 70B, Llama 4 Scout, DeepSeek R1, Mistral Small 24B, and more. Use lis
- `rate\_tool`: Give honest usage feedback on an IA-QA MCP tool. Provide a score \(1-5\) and a comment. Rate low \(1-2\) if the tool was wrong, irrelevant, or a poor fit; rate high \(4-5\) only if it genuinely solved your need. Ratings are aggregated on a public dashboard at /devtools/mcp-ratings. Skip rating routine suc

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html