The directory of tools for agents

DABY DATOKA

Datoka Agent

Signed declarations of agent execution. Integrity verification does not establish that the declared action happened.

MCPA2AAPIx402

Listing info 100/100

0.002 USDC / receiptPublic access

DABY DATOKA

Datoka Verify

Free browser and offline proof verification with independently trusted keys. No certification of factual accuracy.

Ecosystem component

Listing info 90/100

FreePublic access

DABY DATOKA

Datoka API

Signed commitments to caller-declared HTTP exchanges; no independent observation of the origin or response.

MCPAPIx402

Listing info 100/100

0.002 USDC / receiptPublic access

FREXTERNAL

FreeSign — Free e-signature

Free e-signature for humans and AI agents — zero-document PDF signing from hashes only.

MCPAPI

Listing info 70/100

Price not supplied by publisherIndexed

VEEXTERNAL

veritasacta-verify

Offline receipt verifier. Ed25519 signature verification without contacting any server.

MCP

Listing info 65/100

Price not supplied by publisherIndexed

PREXTERNAL

ProofSlip

Receipt-based verification for AI agent workflows — create, verify, and poll ephemeral proof objects

MCP

Listing info 65/100

Price not supplied by publisherIndexed

TWEXTERNAL

twin.unykorn.org · /verify-receipt

Verify a genesis402 signed receipt — signature and hash-chain position — Genesis402 / UnyKorn Operator Network

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453); 5000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 5000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed

QUEXTERNAL

Quartermaster Payment Receipt

Formatted settlement receipt for any Base transaction hash or Solana signature: timestamp, status, decoded token transfers, explorer link — records for x402 payments o…

APIx402

Listing info 80/100

0.002 USDC / call (eip155:8453); 2000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed

WWEXTERNAL

www.securaw.com · /cryptovar/x402/delivery_proof

Register a file SHA-256 with Securaw/TimeChain2 and receive a downloadable OpenTimestamps proof directly binding its original bytes. ZIP includes .ots, metadata and in…

APIx402

Listing info 80/100

0.05 USDC / call (eip155:8453)Indexed

TEEXTERNAL

TENNA Launch Intelligence

Virtuals Solana DBC State & Supply Receipt. Virtuals Solana launches only. Returns finalized mint controls, ACTIVE_DBC vault custody, tokens outside the observed DBC v…

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453)Indexed

OBEXTERNAL

Oblique Markets

Use when an agent needs x402 receipt lookup. Returns Fetch a previously issued settlement-verify receipt by verification_id: returns the stored on-chain verification r…

APIx402

Listing info 80/100

0.002 USDC / call (eip155:8453); 2000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed

SCEXTERNAL

SCVD General Store

The Calling Card. REQUIRES ?url= on the paid request — a signed request without it is refused before the gate and no money moves. A signed JSON card — verdict (directo…

APIx402

Listing info 80/100

0.99 USDC / call (eip155:8453); 990000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 990000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 990000 atomic units of 0x79a02482a880bce3f13e09da970dc34db4cd24d1 (eip155:480); 990000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed

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