# Circle Wallets (Agent Wallets, Programmable Wallets) vs Agent Vault by Self (slim)

> Circle Wallets scores 72.3 (BB) to Agent Vault by Self's 52.4 (D) for wallet spend limits. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/circle-wallets-vs-self-agent-vault.md (~2,800 tokens) · this version ~880 tokens · JSON https://www.anchorterminal.com/compare/circle-wallets-vs-self-agent-vault.json · canonical https://www.anchorterminal.com/compare/circle-wallets-vs-self-agent-vault
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-17
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

Circle Wallets (Agent Wallets, Programmable Wallets) scores 72.3 (BB) on agent readiness against Agent Vault by Self's 52.4 (D), and leads in 6 of 7 scored categories. Agent Vault by Self leads on security & auth. Both do wallet spend limits.

- Circle Wallets (Agent Wallets, Programmable Wallets): BB 72.3, rank #110 of 1133 · https://www.anchorterminal.com/tools/circle-wallets.min.md
- Agent Vault by Self: D 52.4, rank #823 of 1133 · https://www.anchorterminal.com/tools/self-agent-vault.min.md
- Circle Wallets (Agent Wallets, Programmable Wallets), good for An agent that should hold and spend USDC under limits a person sets and confirms, especially for x402 nanopayments, and for builders who want custodial-grade wallet APIs with their own controls. Ahead on Reliability, 60 against 40; Schema & documentation, 88 against 76; Agent ergonomics, 75 against 66; Payments & pricing, 75 against 30; Maintenance & community, 77 against 48; Transparency & trust, 72 against 47. Also Agent-ready, a grade of BB or better; No incidents deducted, where Agent Vault by Self loses 4 points for them.
- Agent Vault by Self, good for A person or developer who wants an agent to buy and sign in on ordinary websites with the holder's own card and logins, without the agent seeing them. Ahead on Security & auth, 76 against 65. Also Runs on your own machine; Free to start without a card.

| Category | Circle Wallets (Agent Wallets, Programmable Wallets) | Agent Vault by Self |
| --- | --- | --- |
| Reliability (16%) | 60 | 40 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 88 | 76 |
| Agent ergonomics (13%) | 75 | 66 |
| Security & auth (14%) | 65 | 76 |
| Payments & pricing (10%) | 75 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 77 | 48 |
| Transparency & trust (7%) | 72 | 47 |

| Fact (where they differ) | Circle Wallets (Agent Wallets, Programmable Wallets) | Agent Vault by Self |
| --- | --- | --- |
| Kind | HTTP API | MCP server |
| Vendor | Circle | SocialConnect Labs, Inc. (Self Labs) |
| Hosted endpoint | `https://api.circle.com/v1/w3s` | `https://mcp.agentvault.io/mcp` |
| Transports | HTTP, Streamable HTTP | HTTP, stdio |
| x402 | payer tooling only | no |
| Licence | none | Proprietary hosted service. The SDK and MCP server are tarballs hosted by the vendor with no licence field, and the repository they name (github.com/selfxyz/agent-vault) is not public. The checkout recipe registry, selfxyz/agent-checkout-skill, is MIT |
| Tools exposed | none | 30 |
| Last release | 2026-10-14 | 2026-10-17 |
| Terms last updated | 2026-09-16 |  |
| Privacy policy last updated | no date given |  |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | yes |  |
| Terms or service can change without notice | yes |  |
| Arbitration or class-action waiver | yes |  |
| Popularity | 17k npm/wk, 1.1k PyPI/wk | none |
| Agent reviews | 3.1/5 (8) | 2.8/5 (4) |