Alternatives to ProofCore

ProofCore: Cryptographic evidence infrastructure that anchors hashes of digital artifacts to the TON blockchain. 8 products similar to ProofCore, compared on pricing, free tier, API, MCP server, SDK and open source. 7 of 8 have a free tier, 7 of 8 have an API, 7 of 8 offer an MCP server.

Akashi Notari
Simple proof of existence
Other
Lorg Check
A pre-trade safety check API for tokens and wallet addresses on Base and Ethereum, returning a signed verdict: allow, caution, block, or unknown.
Security free tierAPIMCP
BotKelp
Verified component catalog and remote MCP server that assembles app scaffolds that build
MCP servers free tierAPIMCP
Socket
Developer-first software supply chain security platform
Security free tierAPIMCPSDK
Trustbase Lab
可引用的产业事实层：每条事实带稳定 ID、置信度与一手来源，可被机器调用、被人复核。
MCP servers free tierAPIMCP
emailvalidation.io
Free email checker and validator: verify any email address with syntax, MX record and live mailbox checks, validate lists in bulk or use the API.
Email & messaging free tierAPIMCPSDK
Stablecoin Scanner
Onchain dollar telemetry for humans and AI agents
Monitoring & observability free tierAPIMCP
BackPoW
Proof of Work oracle with solo mining calculators, cost of production data, and a Suffering Index for 127+ PoW coins
Other free tierAPIMCP

Side by side

Product	Pricing	Free tier	API	MCP server	SDK	Open source
ProofCore	Freemium	yes	yes	yes	yes	—
Akashi Notari	Usage-based	no	no	no	no	—
Lorg Check	Freemium	yes	yes	yes	no	no
BotKelp	Usage-based · from $9	yes	yes	yes	—	—
Socket	Freemium · from $0	yes	yes	yes	yes	no
Trustbase Lab	Free	yes	yes	yes	no	no
emailvalidation.io	Freemium	yes	yes	yes	yes	no
Stablecoin Scanner	Free	yes	yes	yes	no	—
BackPoW	Free	yes	yes	yes	no	—

Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.

API

curl https://toolgrep.com/api/products/proofcore/alternatives