RAG and retrieval tools with an API

Figure and bar: visits/mo, estimate · year: online since

1. #1E

   ExaMCP · open

   Provides web search API and data indexing for AI agents with real-time web crawling and structured data extraction.

   183k
   Active
   From $7 per use
2. #2P

   Pinecone

   Stores and retrieves vector embeddings at scale for retrieval-augmented generation and agent knowledge systems.

   91k
   Active
   From $20/mo
   2019
3. #3P

   Parallel Web SystemsMCP · sign-in

   Provides web search API for AI agents to retrieve real-time information with citations.

   76.5k
   Active
   From $0.00 per use
   2023
4. #4C

   Cohere

   Provides generative language models and retrieval optimization for enterprise AI applications.

   26.1k
   Active
   From $2,000/mo
   2019
5. #5M

   Meilisearch

   Hosts searchable indexes with full-text, semantic, and hybrid search across text, images, and video.

   17.3k
   Active
   From $20/mo
6. #7V

   Voyage AI

   Generates embeddings and reranks search results to improve retrieval quality for unstructured data.

   13.7k
   Active
   Free plan
7. #8Y

   You.com

   Returns live web search results and cleaned page content through APIs that AI agents and LLM apps call for grounding.

   13.6k
   Active
   2020
8. #9Z

   Zilliz

   Manages vector data for AI applications with real-time search, discovery, and analytics on a single platform.

   12.3k
   Active
   From $197/mo
   2017
9. #10A

   Activeloop

   Stores images, video, text and embeddings as versioned tensors in Deep Lake, a database that streams data to model training and vector search.

   12.1k
   Active
10. #11J

    Jina AI

    Converts URLs to markdown and provides multimodal embeddings and reranking for search and retrieval systems.

    9.1k
    From $50 per use
    2020
11. #12Q

    Qdrant

    Stores and searches vectors at scale with metadata filtering, hybrid search, and reranking.

    7.9k
    Active
    Free plan
    2021
12. #13W

    Weaviate

    Vector database that stores, indexes, and searches high-dimensional vectors for retrieval-augmented generation and semantic search.

    5.3k
    Active
    From $45/mo
13. #17R

    Reducto

    Parses documents into structured data with layout preservation, table extraction, and bounding box citations.

    2.9k
    Active
    From $10 per use
14. #18U

    UnstructuredMCP · sign-in

    Converts unstructured documents into clean structured data for AI applications.

    2.8k
    Active
    From $0.02 per use
    2022
15. #19T

    turbopuffer

    Vector and full-text search database built on object storage, scaling to 256TB per index with sub-10ms latency.

    1.5k
    Active
    From $16/mo
16. #21V

    Vectara

    Builds retrieval-augmented generation agents with policy enforcement and hallucination detection across on-premises, VPC, and SaaS deployments.

    1k
    Active
    From $100,000/yr
17. #22P

    PageIndex

    Indexes documents to enable retrieval and question-answering with traced sources.

    942
    Active
    From $0.01 per use
18. #23T

    Takara TLDR

    Provides fast embeddings and code search for AI agents and retrieval-augmented generation applications.

    660
    Active
    Free plan
    2024
19. #25G

    GoVedaMCP · sign-in

    Semantic search over 220 million patents from 108 jurisdictions, with translated results, citation tracing and portfolio charts via API and MCP.

    150
    Active
    From $200/mo
20. #26R

    Ragie Connect

    Indexes documents and retrieves context for AI agents and assistants via APIs.

    133
    Active
    From $100/mo
21. #27K

    KeenableMCP · open

    Search API that returns ranked web results and pages from a live index, plus a query language that turns pages into tables.

    98
    From $1 per use
22. #28O

    Octen

    Provides real-time web search, content extraction, and multimodal embeddings for AI agents and LLM applications.

    57
    Active
    From $0.01 per use
23. #29E

    Endee.io

    Vector search and retrieval platform combining semantic, full-text, and multi-vector search for AI applications at scale.

    39
    Active
    From $99/mo
    2023
24. #30D

    DaaX

    Searches unstructured data and converts natural language to SQL queries with automatic schema synchronization.

    34
    Active
    From $199/mo
25. #31Q

    Querit.ai

    Provides real-time search and retrieval API for language models with global multilingual content index.

    22
    Active
    From $4 per use
26. #32C

    Cito

    Semantic search engine for research papers with citation integrity auditing.

    20
    Active
    Pay per use
    2013
27. #38G

    GTWY

    Manages AI agents, RAG systems, and chatbots with unified infrastructure, handling memory, orchestration, and integrations.

    5
    Active
    From $29/mo
28. #40P

    Polyhistor

    Provides geospatial context and semantic search for AI agents, returning location intelligence in under 20ms.

    2
    Active
    From $29/mo
29. #41F

    Findalo

    Semantic search engine for online stores, integrates with Prestashop, Shopify, WooCommerce, Magento, and Shopware.

    2
    Active
    From ≈ $17/mo
    2025
30. #42D

    DarksearchMCP · open

    Full-text search over public pages stored on IPFS, with a denylist filter and an API.

    2
31. #43V

    Valori

    Stores and searches vectors with cryptographically verifiable state through a REST API.

    1
    Active
    Free plan
32. #46K

    Krira Chunker

    Builds production-ready RAG pipelines with Rust-based chunking, vector orchestration, and fine-tuning.

    34 linking domains
    Maintained
33. #51K

    Kufuri

    Records audio, transcribes it, and structures conversations for retrieval and AI agent integration.

    Emerging
    From $39/mo
34. #54D

    Dokpod

    Indexes documents and returns matching sections to AI editors via MCP, reducing token usage by 80-95 percent.

    Emerging
    Active
    Free plan
35. C

    ContextFetch

    Web search API that returns results with page content as markdown and pruned context for AI agents and RAG pipelines.

    360 installs/mo
    Active
    From $15 once
36. R

    Rijwind

    Serves vector map tiles, geocoding, routing and isochrones from one API key, billed against a shared unit pool.

    1
    Active
    From ≈ $5.62/mo
37. T

    TalarionMCP · sign-in

    Search API returning post-training facts from a curated corpus, so LLM apps can correct stale model knowledge at inference time.

    27
    Active
    From $2 per use