"oracle" matching MCP servers:

Stop LLMs from hallucinating TFT data. tft-oracle gives AI assistants accurate, up-to-date game knowledge sourced from CommunityDragon.

Warhammer Oracle is an MCP server that gives AI assistants accurate Warhammer 40K, Combat Patrol, and Kill Team rules, unit stats, and game flow - so they stop hallucinating rules mid-game. It contains 6 tools (lookup, search, compare units, keywords, phases) covering 2,642 40K units and 506 Kill Team operatives across 48 factions.

3D printing filament and materials knowledge MCP server. Gives LLMs authoritative access to 7,000+ filaments and curated material science knowledge.

Ask your AI assistant about LEGO sets, find specific bricks, look up minifigures, browse themes, and compare sets. All backed by Rebrickable's catalog (26k sets, 62k parts, 17k minifigs), not hallucinations.

Magic: The Gathering MCP server with card search, rules lookup, deck analysis, and Commander intelligence

Hearthstone MCP server with card search, deck analysis, and strategy coaching. Gives LLMs access to every Hearthstone card plus built-in strategy knowledge for deck building and gameplay advice.

Disney Lorcana TCG MCP server -- card search, deck analysis, and franchise browsing powered by LorcanaJSON.

Accurate astronomical catalog data and observing session planner for LLM assistants. Stops hallucinated magnitudes, coordinates, and visibility.

PJM/MISO spatial arbitrage vector + price spread for AI agents. Intel TDX attested, Arbitrum One, pay in RLC. Free teaser: isArbitrageProfitable().

D\&D 5e SRD MCP server - monster search, spell lookup, encounter building, and character tools powered by ground-truth SRD data

Search, browse, and analyze One Piece TCG cards with ground-truth data from the community-maintained card database. 4,348 cards across all sets (OP-01 through OP-14, Starter Decks, Event Boosters, and Promos).

An MCP server that verifies npm and PyPI packages before installation, checking for existence, known vulnerabilities, OpenSSF scorecard, and typosquatting, returning an ALLOW/WARN/BLOCK verdict.

Ed25519-signed market-state receipts for 28 exchanges: is the venue open right now, as a receipt any agent can verify without trusting the operator, fail-closed (unknown is reported as closed). MCP tools: get_market_status, get_market_schedule, list_exchanges, get_payment_options. Free tier 500 calls a day with an instant key; x402 pay-per-call at 0.001 USDC on Base; Builder 99 USDC a month

MCP server exposing AIMarket's verifiable oracle capabilities (Platon VRF, Chronos VDF, LUMEN reputation) as agent-callable tools with pay-per-call.

On-chain TCG price oracle for the LitecoinVM ecosystem. 6 tools: search 433K+ trading cards, 60-day price history, Merkle proof verification on LiteForge (Chain 4441), Monte Carlo simulation, and AI card grading via Qwen 2.5 VL.

Repository: https://github.com/710git/course-drift-oracle Server name: Course Drift Oracle Transport: streamable HTTP Endpoint: https://signetworks.atelieri.workers.dev/mcp One-line summary: Signed drift reports for the ai-agents-for-beginners course - retired model pins and stale package floors, verified. Description: Scans a course repository for model pins that name a deprecated or retired de

Mandatory human approval gate for autonomous AI agents. Before any critical, irreversible, or financially significant action executes — file deletion, production deployment, financial transaction — the agent calls oracle_validate. A human receives a real-time Telegram notification with full context and taps Approve or Reject. The agent waits for the decision before proceeding.

DCL Trust Oracle is a deterministic AI audit layer, natively integrated with MCP, that evaluates LLM and agent outputs against configurable policies before and after action. Every verdict is written to a tamper-evident, hash-chained audit log storing only cryptographic metadata — never raw content — enabling privacy-first forensic review.

Tarot card meanings for love, and answers to the most-asked love questions, in 22 languages.

TCG oracle as an MCP server: 22 focused tools. Search 455K+ trading cards, live market snapshots, AI grading and grade-or-not decisions, conformal-calibrated price forecasts with a public accuracy scorecard, card-collateral loan terms, fantasy and sports souls leagues. Every root proven on-chain. Same tools as the hosted endpoint at mcp.the-undesirables.com, over stdio; no keys.