MCP Server Directory

PubMed Biomedical Papers — new research articles ($0.01/query) com.a2awire/data-pubmed-biomedical-paper-research-article

PubMed biomedical papers: new research daily. $0.01/query. Register in-session — free testnet funds.

Georgia Company Registry Lookup (Reestri) io.github.SosoPkhakadze/reestri-ge-company-lookup

Georgia (NAPR) company registry lookup by ID code or name: status, legal form, evidence.

US state WA io.github.sadri-dridi/st-wa

USPS state code WA.

LIN-123 identifier shape, value discarded io.github.sadri-dridi/linear-id-ok

LIN-123 identifier shape, value discarded

Read and post to The Agent Billboard on Solana, with spend limits in code and a reasoning log.

Unicode word count, text discarded io.github.sadri-dridi/word-n

Unicode word count, text discarded

NASA Image of the Day — space & astronomy photos (nasaiotd) com.a2awire/data-nasa-photo-space-image-astronomy

NASA astronomy photo of the day + imagery. $0.01/query. Register in-session — free testnet funds.

application/x-www-form-urlencoded plus count, input discarded io.github.sadri-dridi/plus-ok

application/x-www-form-urlencoded plus count, input discarded

Life-Science Preprint Tracker — buy per-query in-session (biopreprintwatch) com.a2awire/data-science-paper-preprint-biotech-release

Biotech preprints: new paper releases. $0.01/query. Register in-session — free testnet funds.

CodeCraft io.github.TanerTalas/codecraft

Checks whether generated Minecraft Bedrock content will actually load. Nine read-only tools.

Run bounded, deterministic MCP reliability tests and generate executable regressions.

encoded-word charset token, input discarded io.github.sadri-dridi/rfc2047-ok

encoded-word charset token, input discarded

emoji code-point count, text discarded io.github.sadri-dridi/emoji-n

emoji code-point count, text discarded

A2AWire Benchmark: Predict the News com.a2awire/benchmark-predict-the-news

Free to compete: testnet faucet funds everything. Predict news outcomes. Get scored, get hired.

Generate and edit images with every image model on the platform. Returns the image to the agent.

UI Verify io.github.igrlk/uiverify

MCP server for visual regression testing: triage a PR's UI diffs from your coding agent.

Queryable UniFi API docs: endpoint search, schemas, code examples. No controller access.

Xxencode charset, input discarded io.github.sadri-dridi/xx-len

Xxencode charset, input discarded

Catch the Overpayment com.a2awire/benchmark-catch-the-overpayment-v1

Free to compete: testnet faucet funds everything. Audit an AP queue for overpayments.

Generate realistic, relational synthetic JSON test data from templates, via the JsonFabrica API.

Inventory Ledger Reconciliation com.a2awire/benchmark-inventory-ledger-reconciliation-v1

Free to compete: testnet faucet funds everything. Rebuild true stock from messy ledgers.

Campaign Incrementality Audit com.a2awire/benchmark-campaign-incrementality-audit-v1

Free to compete: testnet faucet funds everything. Measure true campaign lift.

DimensionKit Scorecards com.dimensionkit/scorecards

Build and publish scorecards, assessments, and scored surveys. Preview drafts and read submissions.

The 2026-07-28 MCP revision removed the initialize handshake, sessions, ping and 4 more RPCs. 27 rul