Context7
Up-to-date docs for AI agents
Descripción del creador (original en inglés)
Local research agent that verifies its own answers. Runs on Gemma 3 4B + Ollama, $0/query.
Estos tres nunca se combinan en una sola puntuación: las opiniones, las mediciones y la popularidad son cosas distintas.
Todavía no escribimos un resumen sencillo para este. Abajo están los datos que leímos del registro.
Elige la app de IA que usas y copia la configuración.
OPENAI_BASE_URL, OPENAI_API_KEY, MODEL_SYNTHESIZER, MODEL_PLANNER, EMBED_MODEL, SEARXNG_URL, LOCAL_CORPUS_PATH, ENABLE_RERANK, ENABLE_FETCHLos valores marcados como secretos son llaves de tu cuenta. Nunca los compartas ni los pegues en un chat.
Necesitas
¿Qué app usas?
Elige tu app arriba. La recordamos, así que la próxima vez el botón dirá “Instalar en …”.
Abre Claude Desktop → Settings → Developer → Edit Config y pega esto en claude_desktop_config.json
{
"mcpServers": {
"agentic-research": {
"command": "uvx",
"args": [
"agentic-research-engine"
],
"env": {
"OPENAI_BASE_URL": "your-value",
"OPENAI_API_KEY": "your-value",
"MODEL_SYNTHESIZER": "your-value",
"MODEL_PLANNER": "your-value",
"EMBED_MODEL": "your-value",
"SEARXNG_URL": "your-value",
"LOCAL_CORPUS_PATH": "your-value",
"ENABLE_RERANK": "your-value",
"ENABLE_FETCH": "your-value"
}
}
}
}Ejecuta esto en tu terminal
claude mcp add agentic-research --env OPENAI_BASE_URL=your-value --env OPENAI_API_KEY=your-value --env MODEL_SYNTHESIZER=your-value --env MODEL_PLANNER=your-value --env EMBED_MODEL=your-value --env SEARXNG_URL=your-value --env LOCAL_CORPUS_PATH=your-value --env ENABLE_RERANK=your-value --env ENABLE_FETCH=your-value -- uvx agentic-research-engineCompleta los valores vacíos antes de ejecutarlo.
Pégalo en .cursor/mcp.json de tu proyecto, o en ~/.cursor/mcp.json
{
"mcpServers": {
"agentic-research": {
"command": "uvx",
"args": [
"agentic-research-engine"
],
"env": {
"OPENAI_BASE_URL": "your-value",
"OPENAI_API_KEY": "your-value",
"MODEL_SYNTHESIZER": "your-value",
"MODEL_PLANNER": "your-value",
"EMBED_MODEL": "your-value",
"SEARXNG_URL": "your-value",
"LOCAL_CORPUS_PATH": "your-value",
"ENABLE_RERANK": "your-value",
"ENABLE_FETCH": "your-value"
}
}
}
}Tu navegador te pide permiso para abrir la app; luego la app muestra la configuración y te pide confirmar. Los valores de las claves quedan vacíos para que los completes tú.
Pégalo en .vscode/mcp.json de tu proyecto
{
"servers": {
"agentic-research": {
"type": "stdio",
"command": "uvx",
"args": [
"agentic-research-engine"
],
"env": {
"OPENAI_BASE_URL": "your-value",
"OPENAI_API_KEY": "your-value",
"MODEL_SYNTHESIZER": "your-value",
"MODEL_PLANNER": "your-value",
"EMBED_MODEL": "your-value",
"SEARXNG_URL": "your-value",
"LOCAL_CORPUS_PATH": "your-value",
"ENABLE_RERANK": "your-value",
"ENABLE_FETCH": "your-value"
}
}
}
}Tu navegador te pide permiso para abrir la app; luego la app muestra la configuración y te pide confirmar. Los valores de las claves quedan vacíos para que los completes tú.
Este se ejecuta en tu computadora, y ChatGPT solo puede conectarse a servidores en internet. Elige otra app.
Tu elección se guarda en una cookie en este dispositivo; no necesitas cuenta.
OPENAI_BASE_URL envMODEL_SYNTHESIZER envMODEL_PLANNER envEMBED_MODEL envSEARXNG_URL envLOCAL_CORPUS_PATH envENABLE_RERANK envENABLE_FETCH envEsta configuración se genera a partir de la ficha del creador en el registro. Si el README dice otra cosa, sigue el README.
Se ejecuta en tu computadora; la lista de herramientas aparece en tu app de IA después de instalarlo.
Revisamos información que cualquiera puede ver; no hemos leído el código. Las revisiones que no aplican no se cuentan. · Revisado el 6 nov 2026
El nombre en el registro se verificó con la cuenta de GitHub TheAiSingularity, dueña del repo
Todavía no hemos leído este repo en GitHub
Todavía no hemos leído este repo en GitHub
Este se ejecuta en tu computadora; no hay endpoint en internet
Se ejecuta en tu computadora y usa ajustes locales en su lugar
Se ejecuta en tu computadora; solo podemos leer listas de herramientas de endpoints en internet
Comparado con todos los servidores activos de esta categoría en el registro. Las estrellas solo cuentan cuando quien lo publica es dueño del repo.
Superó 1 de 1 revisiones básicas aplicables. No hemos leído el código. Antes de agregar una clave o un token, revisa qué acceso pide el servidor y usa una clave que tenga solo los permisos que necesitas.
Debes completar: OPENAI_API_KEY
Se ejecuta en tu computadora. Tu app de IA lo inicia cuando hace falta, y los datos no pasan por los servidores del creador (a menos que el propio servidor llame a un servicio en línea).
El repo de GitHub cambió por última vez –, y la última versión (0.1.3) llegó al registro hace 7 meses.
Las apps compatibles con MCP, como Claude Desktop, Claude Code, Cursor y VS Code. También necesitas Python (uv) en tu computadora.
En la misma categoría: Context7, Codebase Memory, Exa
Servidores de la misma categoría hechos por otros creadores, ordenados por estrellas.
Cómo leer una tarjeta:★ Estrellas de GitHubiTres pilares: reseñas · revisiones · usoiActualizado = fecha en que se publicó la última versión en el registroi
Up-to-date docs for AI agents
Codebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens.
Connect AI agents to Exa for web search, content fetching, and multi-step research.
Copiado tal cual del repo del creador. PopNx MCP no lo ha revisado ni lo respalda. Se quitaron HTML, imágenes y scripts. Los enlaces llevan fuera de este sitio.
agentic-research-engine-oss
The best $0 research agent that runs on a laptop. Open-source end-to-end, reproducible, privacy-preserving. No cloud dependency by default; no telemetry; every LLM call, every source, and every verification decision is visible.
Local-first research agent that verifies its own answers. Runs on Gemma 3 4B + Ollama (3.3 GB on disk) for $0/query; swaps to any OpenAI-compatible endpoint with one env var.
pip install agentic-research-engine
agentic-research ask "what is Anthropic's contextual retrieval?" --domain papers
| Interfaces | CLI · Textual TUI · FastAPI web GUI · MCP server (Claude Desktop / Cursor / Continue) |
| Pipeline | 8-node LangGraph (classify → plan → search → retrieve → fetch → compress → synthesize → verify); every node env-toggleable for ablation |
| Retrieval | SearXNG meta-search + trafilatura fetch + hybrid BM25 / dense / RRF; opt-in bge-reranker-v2-m3 cross-encoder |
| Reasoning | HyDE query expansion · FLARE active retrieval · Chain-of-Verification (Dhuliawala et al 2023) · ThinkPRM step critic |
| Domains | 6 presets (general · medical · papers · financial · stock_trading · personal_docs) — write your own in 10 lines of YAML |
| Plugins | load Claude plugins or agentskills.io skills from GitHub or local paths |
| Memory | opt-in local SQLite trajectory log with semantic retrieval; wipe anytime; no telemetry |
| Providers | OpenAI · Groq · vLLM · SGLang · Together · Ollama — any OpenAI-compatible endpoint via OPENAI_BASE_URL |
| Quality | 137 mocked tests, zero-network · honest live benchmarks published in RESULTS.md · MIT end-to-end |
| you currently use | we give you |
|---|---|
| Perplexity / ChatGPT Deep Research / Kagi Assistant | the same reasoning-with-citations flow, local and free, with your data never leaving the machine |
| Perplexica self-hosted | the UX Perplexica has plus a CoVe verifier, FLARE active retrieval, adaptive compute router, and Claude-plugin packaging |
| Khoj | stronger research-specific reasoning (we're not personal-knowledge-focused), six domain presets, and an MCP server for other agents to call |
| gpt-researcher | newer pipeline architecture, better small-model handling, observable trace, plugin ecosystem |
| MiroThinker-H1 / OpenResearcher-30B | they're stronger on BrowseComp; we run on a laptop with no GPU and cost $0 |
| Writing your own LangGraph research agent | save 2-3 months; reuse our 8-node pipeline + 30+ tested env gates + 137 tests |
Honest read: on complex multi-hop reasoning benchmarks, Gemma 3 4B sits 15–25% below 30 B+ open models. We don't claim to beat GPT-5.4 Pro. We claim to be the best $0, runs-on-your-laptop, fully-open research agent in April 2026.
# 1) Local inference (Ollama + Gemma 3 4B + embedding model — 3.6 GB combined)
brew install ollama ollama pull gemma3:4b nomic-embed-text
docker run -d --name searxng -p 8888:8080 searxng/searxng
pip install agentic-research-engine
export OPENAI_BASE_URL=http://localhost:11434/v1 OPENAI_API_KEY=ollama export MODEL_SYNTHESIZER=gemma3:4b EMBED_MODEL=nomic-embed-text export SEARXNG_URL=http://localhost:8888 agentic-research ask "what is Anthropic's contextual retrieval?" --domain papers
# 1) Same local-inference prereqs as Option A (ollama pull + docker run)
git clone https://github.com/TheAiSingularity/agentic-research-engine-oss cd agentic-research-engine-oss (cd scripts/searxng && docker compose up -d) cd engine && make install make smoke # end-to-end run on the canonical "what is contextual retrieval" question
Expected wall-clock on an M-series Mac: ~45 s for a factoid, ~90 s for multi-hop synthesis. Zero dollars per query.
Gemma 3 4B is surprisingly good at structure (plan, route, verify, compress) but confabulates specific factoids when SearXNG doesn't surface a source containing the right token. Live SimpleQA-mini run on 2026-04-21 (see engine/benchmarks/RESULTS.md) showed gemma3:4b emitting "2023" for *"year Anthropic published Contextual Retrieval"* (gold: 2024) and "LayoutLMv3" for *"which cross-encoder for reranking"* (gold: bge-reranker-v2-m3).
The fix you probably want isn't a smarter synthesizer — it's a more honest one. A 5-question head-to-head on the same retrieval output showed gpt-5-nano + gpt-5-mini refuse to confabulate when evidence was missing (*"The provided evidence does not answer this question"*), where gemma3:4b confidently guessed. Per-claim faithfulness went from 82.9 % → 100 %. Pass rate barely moved (1/5 vs 0/5) because retrieval is the real bottleneck — if SearXNG didn't return a source with the gold token, neither model can produce it.
Swap the whole stack to a cloud endpoint:
# drop the Ollama base URL (fall back to OpenAI cloud)
unset OPENAI_BASE_URL export OPENAI_API_KEY=sk-...
export MODEL_PLANNER=gpt-5-nano export MODEL_SYNTHESIZER=gpt-5-mini # or gpt-5, claude-sonnet-4-5, etc. agentic-research ask "…" --domain papers
Cost is dominated by synthesizer tokens (~5–15 k per query). Full cloud mode with gpt-5-nano + gpt-5-mini runs roughly $0.02–0.05 per research query and is ~2-3× slower than Gemma local (measured: 127 s vs 52 s mean wall on the 5-question subset). Works with any OpenAI-compatible endpoint — Groq, Together, Mistral, DeepSeek, local vLLM — so you can pick a cheap fast model (llama-3.3-70b on Groq ≈ $0.003/query) or a frontier one. Per-node base-URL routing (run gemma3:4b locally for plan/verify AND gpt-5-mini on cloud for synth in the same query) is tracked for 0.2; today the pipeline uses one global OPENAI_BASE_URL.
The bigger accuracy lever is retrieval. Point LOCAL_CORPUS_PATH at an indexed corpus containing your answer and either model will be correct.
Five runnable notebooks in tutorials/:
Each notebook is self-contained, runs end-to-end on Colab free tier, no credit card required.
engine ask "what is hybrid retrieval?" --domain papers --memory session
engine reset-memory engine domains list engine version
make tui
Three panes: sources · answer + hallucination flags · trace + memory hits. Press Enter to ask, Ctrl-M to cycle memory mode, Ctrl-L to clear, Ctrl-Q to quit.
localhost:8080)make gui
No auth. No cloud. No analytics. Dark theme. Streams tokens in place.
engine/ — the flagship8-node LangGraph pipeline with 2026-SOTA composition: classify → plan → search → retrieve → fetch_url → compress → synthesize → verify
Every stage is env-toggleable for leave-one-out ablation. Techniques folded in: HyDE, CoVe verification, iterative retrieval, FLARE active retrieval, question classifier router, step critic (ThinkPRM pattern), LongLLMLingua-lite compression, cross-encoder rerank (BAAI/bge-reranker-v2-m3), Anthropic contextual chunking, W6 small- model hardening (three-case synthesize prompt + per-chunk char cap).
core/rag/ — reusable retrieval primitives (v1 stable)HybridRetriever (BM25 + dense + RRF) · CrossEncoderReranker · contextualize_chunks (Anthropic pattern) · CorpusIndex (bring- your-own-PDFs). 5 exports, used by the engine and the archived recipes.
archive/recipes/ — pre-engine reference recipesresearch-assistant, trading-copilot, document-qa, rust-mcp-search-tool. All still work; all tests still pass. The research-assistant/production/main.py is a thin shim over engine.core.pipeline so the cookbook framing is preserved.
Six YAML files in engine/domains/:
| preset | when to use |
|---|---|
general | default; anything |
medical | disease / treatment / drug / trial (PubMed / Cochrane / NEJM bias; no prescriptive advice) |
papers | academic CS / ML / physics / biology (arXiv + Semantic Scholar + OpenReview) |
financial | SEC filings, earnings, company fundamentals (dates on every number) |
stock_trading | technical + news per ticker — hard rule: never recommends buy/sell/hold |
personal_docs | Q&A over your own corpus, air-gapped (only corpus:// URLs allowed) |
Write your own in ~10 lines of YAML — see docs/domains.md.
python scripts/index_corpus.py build ~/papers --out ~/papers.idx
export LOCAL_CORPUS_PATH=~/papers.idx engine ask "what do my papers say about contextual retrieval?" --domain personal_docs
Supported formats: PDF (via pypdf), Markdown, plain text, HTML (via trafilatura). The index persists as a directory with a human-readable manifest.json + a pickled index.pkl. Rebuild anytime the docs change.
Details: docs/self-learning.md covers the trajectory + memory model; docs/plugins-skills.md covers external plugins.
Solo se muestra el principio; lee el resto en el repo