The directory of tools for agents

AGEXTERNAL

agentshelf.syntexa.ch · /v1/jwt-header

Call when an agent needs a decoded JWT header with no signature check. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/jwt-header first.

APIx402

Listing info 80/100

0.009 USDC / call (eip155:8453)Indexed

AGEXTERNAL

agentshelf.syntexa.ch · /v1/jwt-payload

Call when an agent needs a decoded JWT payload with no signature check. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/jwt-payload first.

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453)Indexed

FUEXTERNAL

Function Selector Encoder

Computes the 4-byte selector for a function signature (e.g. transfer(address,uint256) → 0xa9059cbb). The inverse of the decoder — useful for agents building or matchin…

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453)Indexed

SIEXTERNAL

Sindri

Decodes (does not verify) a JWT by base64url-decoding its header and payload segments. Signature validity is never checked — do not use this to authenticate a token.

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453); 10000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed

DUEXTERNAL

Duo Data Utilities

Decode a JSON Web Token without verifying it: returns the header, the claims, the signature length and algorithm, and a computed view of the time claims — whether exp …

APIx402

Listing info 80/100

0.05 USDC / call (eip155:8453)Indexed

ALEXTERNAL

ALEETH Authority MCP

The first MCP governed by ICA. Every action is gated and sealed with a verifiable receipt.

MCP

Listing info 75/100

Price not supplied by publisherIndexed

APEXTERNAL

api.lodestarindex.com · /v1/trust/batch

Lodestar Stamp receipt reads, one per business the shortlist finds

APIx402

Listing info 80/100

1 USDC / call (eip155:8453)Indexed

APEXTERNAL

Apple Ads MCP

Local Apple Ads research, optimization, and receipt-gated App Store campaign management.

MCP

Listing info 75/100

Price not supplied by publisherIndexed

AUEXTERNAL

Austin Oaks Payload Rescue

Repair malformed JSON that fails a schema. Deterministic only; refuses to guess; signed receipt.

MCP

Listing info 75/100

Price not supplied by publisherIndexed

FAEXTERNAL

fabair-agents.com · /trust-v1

Signed public receipt, refusal or rule entry in the FABA trust log

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453)Indexed

GAEXTERNAL

GAIP Witness Agent

Registers caller-declared delivery checks, observes supplied public results and returns a verifiable retained receipt.

A2A

Listing info 50/100

Price not supplied by publisherIndexed

LOEXTERNAL

Lotor

A local receipt and approval gate for AI agent sessions. The agent can act, but it cannot sign.

MCP

Listing info 75/100

Price not supplied by publisherIndexed

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