Model Context Protocol servers. The cost that matters is the tool schemas they put in context, not the size of the config file.
CryptoAPIs-io/cryptoapis-mcp-signer
MCP server Claude CodeCodexCursor +2
Local transaction signing for EVM, UTXO, Tron, XRP, Kaspa, Solana and Tezos — no API calls. Runs locally from the @cryptoapis-io/mcp-signer npm package.
CryptoAPIs-io/cryptoapis-mcp-simulate
MCP server Claude CodeCodexCursor +2
MCP server for dry-run Ethereum transaction simulation via Crypto APIs. Runs locally from the @cryptoapis-io/mcp-simulate npm package. Needs 1 environment variable to run.
CryptoAPIs-io/cryptoapis-mcp-transactions-data
MCP server Claude CodeCodexCursor +2
MCP server for transaction lookup across EVM, UTXO, Solana, XRP, Kaspa via Crypto APIs. Runs locally from the @cryptoapis-io/mcp-transactions-data npm package. Needs 1 environment variable to run.
CryptoAPIs-io/cryptoapis-mcp-utils
MCP server Claude CodeCodexCursor +2
MCP server for address derivation and encoding utilities across multiple blockchains via Crypto APIs. Runs locally from the @cryptoapis-io/mcp-utils npm package. Needs 1 environment variable to run.
CryptoAPIs-io/cryptoapis-mcp-x402-accept
MCP server Claude CodeCodexCursor +2
Self-hosted MCP proxy that puts an x402 paywall in front of an existing MCP server. Runs locally from the @cryptoapis-io/mcp-x402-accept npm package.
CryptoAPIs-io/cryptoapis-mcp-x402-pay
MCP server Claude CodeCodexCursor +2
MCP server that pays x402-gated HTTP endpoints — fetch, and on a 402 authorize, sign, retry. Runs locally from the @cryptoapis-io/mcp-x402-pay npm package.
CseperkePapp/design-constraint-validator
MCP server Claude CodeCodexCursor +2
Validate design tokens for accessibility, scales, and design-system constraint consistency. Runs locally from the design-constraint-validator npm package.
MCP server Claude CodeCodexCursor +2
GSTIN verification, GST filing history, HSN/SAC lookup, and MCA company registry for India. Runs locally from the gstinapi-mcp npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
South Africa's first AI-transactable blinds, shutters and awnings catalogue with live ZAR pricing. Remote server at shop.customblinds.co.za.
MCP server Claude CodeCodexCursor +2
Order food on DoorDash — compare real fee-included totals; you approve every order. Runs locally from the peckish-mcp npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
MCP server "powerplan" as configured in CynaCons/powerplan. Runs powerplan with python. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
Evidence-backed architecture-quality analysis for Python agent applications. Runs locally from the uptocode Python package.
MCP server Claude CodeCodexCursor +2
Statically audits MCP tool surfaces for token cost, schema quality, and design issues. Remote server at mcplint-web.vercel.app.
MCP server Claude CodeCodexCursor +2
Independent static verification for exact immutable public GitHub commits. Remote server at works-runner.vercel.app.
Dailyaiagents/daily-ai-agent-toolkit
MCP server Claude CodeCodexCursor +2
One of 2 in server.json
Local MCP tools for checking artifacts, claims, and citations. Runs locally from the dailyaiagents-evidence-gate Python package.
DanKaten/avenity-agentic-audit
MCP server Claude CodeCodexCursor +2
Hireable AI-visibility service: get a business named in AI answers. Free audit + x402 hire. Remote server at avenity-agentic-audit.onrender.com.
DamianoTobasco/sync-socials-agent
MCP server Claude CodeCodexCursor +2
Create, schedule and publish social posts to TikTok, Instagram, Facebook and YouTube. Remote server at app.sync-socials.com.
MCP server Claude CodeCodexCursor +2
Scrapingdog web-scraping & SERP APIs: web scrape, Google, Amazon, LinkedIn, YouTube, and more. Runs locally from the scrapingdog-mcp npm package. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor +2
Give AI agents the right context, not your entire filesystem. A local, governed, metadata-only catalogue of the documents you already have — built for MCP. Runs locally from the shelfmark Python package.
DashankaNadeeshanDeSilva/kontor-mcp
MCP server Claude CodeCodexCursor +2
Offline e-invoice tools for AI agents: validate, audit, convert and generate XRechnung/ZUGFeRD. Runs locally from the @kontor-mcp/server npm package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
Query your org's data in natural language — read-only MCP access to SQL, NoSQL, files & warehouses. Remote server at app.dataassist.io.
MCP server Claude CodeCodexCursor +2
Browse, search and fuzzy-match NACE Rev. 2.1 economic activity classification codes. Runs locally from the nace-mcp npm package.
MCP server Claude CodeCodexCursor +2
Value Context Protocol SDK — portable AI ethics validation. Runs locally from the vcp-sdk Python package.
MCP server Claude CodeCodexCursor +2
Unified MCP server for AgenticLens and Agentic Chaos workflows. Runs locally from the deep-agentic-core-mcp Python package.