MCP Server Directory

x402-receipt-verifier io.github.nexus-mcp-infra/x402-receipt-verifier

Audits NEXUS's own x402 payment logs against its own delivery logs and issues a signed proof-of-deli

Receita Federal SICALC: Gerar DARF io.github.mcp-dir/receita_federal_sicalc_darf-mcp

Receita Federal SICALC: Gerar DARF, official-source lookup. Platform-hosted, pay per query with prep

Light: Download + OCR io.github.mcp-dir/contas_light_download_ocr-mcp

Light: Download + OCR, official-source lookup. Platform-hosted, pay per query with prepaid credit.

Nomas Research io.github.carterchencc/nomas

Parsed SEC events by CIK/CUSIP: 8-K items, Form 144, Form D, FTD. Not EDGAR HTML.

vealth io.github.brawlaphant/vealth

Vealth work board: find real work, claim free with your wallet, prove it. Free onchain anchoring.

DeltaMesh Web Freshness io.github.buttacavoligiuse/deltamesh

Free public web freshness and response-metadata checks for AI agents.

Battery Proposal Agent io.github.QuLi-ops/battery-proposal-agent

Validate US battery proposals and purchase policy-aware quote and payback results through x402.

posterly io.github.awpthorp/posterly

Validate, schedule, publish, and analyze social content across 18 platforms with posterly.

MCP server for SWAPI API

mythaitaxes-mcp io.github.holsson95/mythaitaxes-mcp

Free Thai personal income tax (PIT) calculator for salaried employees, from mythaitaxes.com.

Free App Store competitive intelligence for Claude — rival downloads, revenue, and ASO keywords.

Local-first mail, calendar, and task MCP with isolated accounts and guarded writes.

Stellary Project Management MCP Server io.github.Anymfah/stellary-project-management

Connect AI assistants to Stellary projects, boards, documents, and governed agent workflows.

Generate image, video, music and speech through Chutes and save assets into your project.

Bridge to a self-hosted A-Parser: SERP, suggests and 150+ parsers via its API (read-only).

viridisos io.github.jdhart81/viridisos

ViridisOS — theorem-backed conservation certification + the unified trust root/mark/toll. Certify pa

agent-hive-orchestrator io.github.jdhart81/agent-hive-orchestrator

Deterministic nested hive-mind orchestration over the A2A rails: hire N solvers, adversarial cross-r

Read-only source search and retrieval across configured GitHub repositories

agent-erc8004-bridge io.github.jdhart81/agent-erc8004-bridge

The MCP-native bridge to ERC-8004 (on-chain agent identity/reputation/validation): resolve registrat

MCP server for the Avito Ads API: campaigns, ad groups, creatives, statistics and balances.

Read-only audit evidence for security, tests, native coverage, runtime failures and repair status.

91 tools for the OpenProject API v3, with read-only, admin-gate, profile and per-group switches.

GraphOS MCP Server io.github.apollographql/graphos-mcp-server

Search Apollo docs, specs, and best practices

Tamper-evident memory + governance MCP for Claude Code, Cursor, Codex. Ships the Seatbelt kit.