bankrbot/agent-wormhole
agent-wormhole/SKILL.md
Use Agent Wormhole for one-time sealed handoffs between autonomous agents, including encrypted mission briefs, scoped secrets, temporary artifacts, receipts, config drops, CLI/API usage, ECHO holder access, and Bankr x402 paid opens.
$ install --global
skillsauthnpx skillsauth add bankrbot/skills agent-wormholeInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
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3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
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VirusTotalMulti-engine malware detection
50%
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CrowdStrikeAdvanced threat intelligence
50%
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OSV-ScannerOpen Source Vulnerability database check
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OWASP Dep-Check
50%
Last scanned: Jun 18, 2026, 3:25 AM189.2s2 files scanned
SKILL.md
- name:
- agent-wormhole
- description:
- Use Agent Wormhole for one-time sealed handoffs between autonomous agents, including encrypted mission briefs, scoped secrets, temporary artifacts, receipts, config drops, CLI/API usage, ECHO holder access, and Bankr x402 paid opens.
- emoji:
- 🕳️
- tags:
- [agents, handoff, encrypted, x402, base, echo]
- visibility:
- public
Agent Wormhole
Agent Wormhole opens a temporary encrypted passage for agent handoffs. The payload can be claimed once, then the channel collapses.
Before First Use
This skill executes the @builtbyecho/agent-wormhole npm package. Before running any agent-wormhole or npx @builtbyecho/agent-wormhole command for the first time in a session, tell the user:
About to install/run
@builtbyecho/agent-wormhole(v0.1.2) from npm. It is an encrypted one-time-handoff CLI that writes payloads to a local.agent-wormholes/directory and (for holder/paid opens) callsstorage.builtbyecho.xyzand the Bankr x402 endpoint. It does NOT sign transactions or access private keys.Proceed? (y/n)
Wait for explicit confirmation before the first invocation. Subsequent calls in the same session do not need to re-prompt.
Pin the version when invoking via npx:
npx -p @builtbyecho/[email protected] agent-wormhole <args>
Links
- Website:
https://www.builtbyecho.xyz - Product page:
https://www.builtbyecho.xyz/agent-wormhole.html - Source:
https://github.com/BuiltByEcho/agent-wormhole - Package:
https://www.npmjs.com/package/@builtbyecho/agent-wormhole - Hosted skill file:
https://www.builtbyecho.xyz/skills/agent-wormhole/SKILL.md
Use this skill when a task involves:
- sending or receiving one-time agent handoffs
- passing mission briefs, configs, receipts, files, or scoped secrets
- using the
agent-wormholeCLI or HTTP API - checking ECHO holder sponsored access
- checking Bankr x402 paid open status
- deploying or operating the VPS service
Quick Commands
From a project that has the package installed:
agent-wormhole send --text "mission brief" --ttl 10m
agent-wormhole send --file ./artifact.tgz --note "handoff bundle"
agent-wormhole inspect <code>
agent-wormhole receive <code> --out ./received
agent-wormhole cleanup --delete-claimed-older-than 15m
For one-off use without installing globally:
npx -p @builtbyecho/[email protected] agent-wormhole send --text "mission brief"
Mental Model
- Codes are
id.secret. idlocates stored metadata.secretderives the AES-256-GCM decrypt key and is not stored.- Default TTL is 10 minutes.
- Max TTL is 24 hours unless explicitly configured lower.
- Default max payload is 5 MB.
- Receipts are written for opens and claims.
Access Paths
- Local CLI/library opens record
access.path = local. - Direct API holder opens require an EIP-191 signature from a wallet holding at least
50,000,000 ECHOon Base and recordaccess.path = echo_holder. - Bankr x402 paid opens are handled by
agent-wormhole-openand recordaccess.path = x402_paid. - Claiming is free.
Live Endpoints
- Direct holder/API route:
https://storage.builtbyecho.xyz/agent-wormhole - Bankr x402 paid open:
https://x402.bankr.bot/0x2a16625fad3b0d840ac02c7c59edea3781e340ae/agent-wormhole-open - Self-hosted local service default:
http://127.0.0.1:8791
Verification
From the package root:
npm test
node --check src/cli.js
node --check src/index.js
node --check src/server.js
npm pack --json --dry-run
For live health:
curl -sS https://storage.builtbyecho.xyz/agent-wormhole/health
For Bankr status, check both registry and execution:
bankr --config "$BANKR_OWNER_CONFIG" x402 list
bankr x402 schema https://x402.bankr.bot/0x2a16625fad3b0d840ac02c7c59edea3781e340ae/agent-wormhole-open
bankr --config "$BANKR_PAYER_CONFIG" x402 call -X POST -d '{"payload":"dGVzdA=="}' --max-payment 0.01 -y --raw https://x402.bankr.bot/0x2a16625fad3b0d840ac02c7c59edea3781e340ae/agent-wormhole-open
Set BANKR_OWNER_CONFIG to the endpoint owner/operator config and BANKR_PAYER_CONFIG to a separate payer config. Do not treat registry active status alone as proof that paid x402 execution works. A real paid call from a non-owner wallet is the proof.
Safety
- Do not paste wormhole codes into public channels unless the user explicitly wants the payload claimable by anyone there.
- Do not log plaintext secrets or payloads.
- Prefer short TTLs for secrets.
- Use local cleanup commands for received artifacts when they are no longer needed.
- Do not test Bankr paid endpoints with the same wallet that owns/deployed the endpoint.
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