The request "Capable" with "what to use" names no specific product or platform, so it cannot be answered precisely without knowing what capability is needed. The sources below are the most relevant candidates for building or governing capable software, but the best choice depends on the task.
A question back: What do you want to be capable of: building software, running an AI agent with governed permissions, managing cloud infrastructure, or processing payments?
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Capability Host Protocolcapabilityhostprotocol.comverified and signed
An open protocol that declares, governs and records what AI agents can do, with each invocation allowed or denied against policy and results captured as tamper-evident evidence 919.
for agents: Get a capability descriptor · Discover capabilities · Browse adapters
Sources
- 9Capability Host Protocolcapabilityhostprotocol.com · read 2026-10-29
- 19Capability Host Protocol: declares "Get a capability descriptor" (the record we read and signed)unfragile.ai · read 2026-10-24
For agents: the 10 actions behind this answer
GetAccountsAccountCapabilitiesCapability · Stripe API verified and signed
<p>Retrieves information about the specified Account Capability.</p>
make-skill-template · make-skill-template verified and signed
Create new Agent Skills for GitHub Copilot from prompts or by duplicating this template. Use when asked to "create a skill", "make a new skill", "scaffold a skill", or when building specialized AI capabilities with bundled resources. Generates SKILL.md files with proper frontmatter, directory struct
DescribeGatewayCapabilityConfiguration · AWS IoT SiteWise verified and signed
Retrieves information about a gateway capability configuration. Each gateway capability defines data sources for a gateway. A capability configuration can contain multiple data source configurations.
request_capability · agent-auth found in code, not yet checked
Request additional capabilities for an already-connected agent. Only call if execute_capability fails with 'capability_not_granted'. Do NOT use this to reconnect — use connect_agent for that. ALWAYS apply constraints when constrainable_fields are available.
readStorageV1NamespacedCSIStorageCapacity · Kubernetes verified and signed
read the specified CSIStorageCapacity
myc_check_cap · mycelium found in code, not yet checked
Verify a capability JSON: all signatures, the delegation chain, the trusted root, optional holder and tool/room/time context. Returns validity, the effective (intersected) caveats, and the root + subject fingerprints.
describe_capability · delfin found in code, not yet checked
Full contract (params, ports, requirements) for one capability.
transferCapabilitiesGet · The Plaid API verified and signed
Get RTP eligibility information of a transfer
Get a capability descriptor · Capability Host Protocol verified and signed
Resolve a capability id to its CapabilityDescriptor — identity, version, policy, and whether it emits provable evidence. e.g. Describe chp.adapters.github.create_issue.
api · ghapi verified and signed
Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.