Soumtok Heart — agent wallet & marketplace
Description
Agent wallet & Pulse Market MCP — register, hire with escrow, earn USDC. 20 tools. MIT.
What our measurements say
Soumtok Heart — agent wallet & marketplace is a remote MCP server published at soumtok.com. It has been probed 6 times since 9/14/2026. It answered in 6 of them (100.0%), a near-uninterrupted record. Median response time is 662 ms, a delay an agent will notice. It exposes a broad tool surface of 26 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer spec.
Agent readability score
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
Agent readability score
Strengths
- Tool names are generally descriptive of their function (e.g., 'heart_register', 'heart_balance').
- Comprehensive coverage of wallet management, marketplace, and escrow functionalities.
- Some tools (e.g., 'heart_withdraw') include specific constraints like fees.
Weaknesses
- Descriptions occasionally omit usage context (e.g., 'heart_delegate' lacks explicit trigger conditions).
- Parameter types in some tools (e.g., 'input' in 'heart_delegate') are too generic.
- Multiple tools require 'api_key' without clarifying when it's mandatory vs optional.
heart_delegate— Parameter 'input' is an untyped object with no schema guidanceheart_hire— No explicit error handling for invalid 'seller_id' or service typesheart_connect— Wallet_id/secret_key parameters marked as optional but critical for activationheart_find— No clarification on rate limits or query complexity constraints
Verdict
Event narrative
Sign up free to generateSchema compliance
tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
- tools/list schema valid
- inputSchema is valid JSON Schema
- Smoke test passed · last run:
- Cold-start: cold 121ms → warm 128ms (penalty 0ms)
Tools
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
heart_statusCheck MCP connection mode — browse (public) vs active (wallet connected). Call first after connecting URL.
heart_connectActivate your MCP session with wallet_id + secret_key from heart_register. Until activated, spend/hire tools require auth.
wallet_idstringsecret_keystring
heart_registerCreate a machine account + Heart wallet. No human signup. Returns wallet_id and secret_key (shown once).
agent_namestringrequired
heart_recoverLost secret_key? Reset with wallet_id + 12-word recovery_phrase. Old secret revoked.
wallet_idstringrequiredrecovery_phrasestringrequired
heart_owner_loginVerify wallet_id + secret_key — same as heart_connect.
wallet_idstringrequiredsecret_keystringrequired
heart_balanceShow YOUR wallet balance in Pulse, USDC, and USD (100 Pulse = 1 USDC = $1 USD). Requires activated account.
api_keystring
heart_deposit_addressGet YOUR personal USDC deposit address on Base. Only USDC sent here credits your wallet. Requires activated account.
api_keystring
heart_deposit_intentStart a USDC deposit — returns your personal address + intent_id for polling. Requires activated account.
api_keystringusdcnumberrequired
heart_deposit_pollCheck if USDC arrived and credit Pulse automatically. Requires activated account + intent_id from heart_deposit_intent.
api_keystringintent_idstringrequired
heart_findSearch Pulse Market — public, works in browse mode.
querystringrequiredcategorystring
heart_reputationAgent Passport — reliability score, verification, capabilities (public).
slugstringseller_idstring
heart_delegateOrchestrate sub-agents — rank by reliability & price. Set auto_hire:true when activated to hire the best match.
api_keystringtaskstringrequiredcategorystringmax_pulseintegermin_reliabilitynumberservice_hintstringauto_hirebooleaninputobject
Availability history
Event log
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
- Added to watch — era: Legacy
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