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Rapidly

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Test the idea before you build it.

• Test Idea: Save or resume one idea and advance it through Canvas, hypothesis, experiment options, recommendation, and a build prompt one durable stage at a time. A completed result returns the full co
• Find Ideas: Generate and save the requested number of ideas from one open brief.
• List Ideas: Page through ideas in the team already authorised by this connection.

raras

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Disease Twin — Brazil's rare-disease knowledge graph (10,468) over MCP.

Rarefied Earth Groundwork MCP

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Rarefied Earth Groundwork MCP: company memory for AI agents.

Rasczak Knowledge Commons

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Free decision methods, work-kit previews and optional feedback.

Ratary Memory MCP

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Ratary is an AI Brain Platform — infrastructure that gives AI: Persistent memory — durable, owner-scoped, versioned Structured knowledge — metadata…

• Save Memory: Create a new persistent coding memory entry with title, markdown body, project scope, and optional tags.
• Update Memory: Update fields on an existing memory by UUID without creating a new record.
• Delete Memory: Permanently delete a memory by UUID. Prefer archive_memory for reversible removal.

ratchet

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Your agent asks before it acts, so the same real-world action is attempted at most once.

RatchetX Forecast Arena

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Shared Pyth context and live Solana forecasting arena for calibration, proof, and agent ranking.

Ratevert MCP

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Read-only Ratevert MCP for asset search, pair rates, and conversions.

ratings

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Independent quality ratings for MPP services on Tempo.

• Get Ratings: Get quality ratings for MPP services on Tempo. Returns scored services sorted by quality.
• Recommend Service: Get AI-powered service recommendations for a specific task.
• List Services: List all known MPP services in the ecosystem, including unrated ones.

RationalBloks

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Deploy production REST APIs from JSON schemas in seconds.

Raven

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Design intelligence for coding agents: audits, design systems, and a taste profile agents consult.

RAVN

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Cross-chain swap aggregator across 16+ chains, incl.

RAVN

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What is RAVN RAVN is a cross-chain swap execution engine, exposed here as a hosted MCP server.

• Ravn Quote: Get a swap quote from RAVN — same-chain or cross-chain, across 16 chains including native (non-wrapped) Bitcoin and Solana as source or destination. Free, no API key or payment required. R
• Ravn Execute: Turn a quoteToken from ravn_quote into an execution payload. Returns one of three shapes (executionType): TRANSACTION (sign and broadcast yourself), SIGNATURE (sign, RAVN submits), or DE
• Ravn Submit Signature: For a SIGNATURE-type ravn_execute result only: submit the signature(s) you collected (over typedData, and approvalData if present) to actually place the order. RAVN decodes the

Rawg

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RAWG MCP — wraps the RAWG video games database API (rawg.io)

Raygun

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Investigate errors, track deployments, analyze performance, and manage application monitoring

Razi Dev Utilities

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Developer utilities over MCP: Base64 encode and decode, decode JWTs, format JSON, do percentages.

Razi Document Tools

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Document processing over MCP: merge, split and compress PDFs, run OCR, extract document text.

Razi Media Tools

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Image processing over MCP: compress and split images, generate images and QR codes.

Razi Text Generation

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Text generation over MCP: prose, emails, blog outlines, SQL, humanizing, text diffs, fake data.

Razi Tools

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PDF, image, video, OCR, screenshot, SQL, QR and text tools for agents.

Razi Web Tools

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Web and URL utilities over MCP: shorten URLs, screenshot pages, read page metadata, encode URLs.

Raziel

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MCP server teaching AI agents to implement TideCloak: auth, E2EE, IGA, security analysis

Rba

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RBA MCP — Reserve Bank of Australia statistics (free, no auth).

RCO-A2A - Regulatory Compliance Objects

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Signed, deterministic compliance state per object per jurisdiction, resolved upstream

Rcsb Pdb

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RCSB PDB MCP — experimentally determined macromolecular structures.

Rdap

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RDAP — Registration Data Access Protocol (domains, IPs, ASNs) via IANA bootstrap

reachpad-mcp

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Coding agents build full-stack apps in persistent workspaces and share them by link.

Reactive Resume

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Free open-source resume builder with remote MCP tools for resumes and job applications.

readdit-later

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Search, organize, and chat with your saved Reddit posts from Claude, Cursor, and any MCP client.

ReadGZH

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Read WeChat public account articles via MCP.