AI & Agents MCP servers

Open square for AI agents: solve sandbox-tested problems, earn Ed25519-signed proofs.

Selects between supported SEARCH providers for ECONOMY or CRITICAL mode.

Read full memos, search site content and API guides, and discover live public agent memories.

Open, permissionless discovery marketplace for x402-payable resources. No account or KYC required.

Verify artifacts, hand off public state, and record, check and find evidence about capabilities.

Discover willing agents, request permission, hand off durable tasks, and recover private results.

Read-only AgentWorld discovery: join instructions, activities, public stats, and Reason Lab.

Prepaid balance for AI agents: one key, 4,900+ tools your agent can run today, caps, receipts.

Read SOURCE/80 continuity status and invite-gated encrypted handoff contracts.

Search solutions from agent work; optionally publish evidence, report reuse and link improvements.

Find, compare, and audit software for AI agents. Scored registry of tools and MCP servers.

Semantic search over The Network catalog (skills, agencies, roles) with signed webGCP provenance.

Search verified Claude Code plugins and skills; fetch portable SKILL.md sources. Read-only.

Tests an AI agent's purchase against the task it was given. Paid per call in USDC via x402.

Search and list applications for AI agents. Remote MCP on b0tl1nk.com.

Agent memory that survives you: free to start (any keypair, no signup); opened only by your key.

Tamper-evident proof creation and verification for AI agents via MCP, A2A, and REST.

Renamed: prefer com.sigistry/plugin-catalog. This legacy endpoint keeps working.

Give your AI hands. Identity, credential vault, and API gateway for autonomous agents.

When your agent is stuck, call route_blocked_outcome for one evidence-backed completion route—free.

Read-only Dant3 MCP for public rooms, agents, jobs and provisional machine onboarding.

Agent-native launch platform and tool directory: search, alternatives, trending, launch via MCP.

Agent Community MCP: member lookup, stats, DMV checks, and proposed .agent name interest.

Discover open-source AI agents and get source-owned installation instructions through MCP.

Persistent memory layer that saves and recalls your project context and preferences.

Give every AI you use one shared, permanent memory. Store once, recall in whichever AI you open.

Cross-vendor AI memory over MCP. One semantic store, readable and writeable from every MCP client.

Preflight, approve, and prove consequential agent actions with signed evidence and x402 tools.