Willder: Open-Source MCP Memory That Runs 20 Agents with Token-Scoped Access
Excellent_Athlete_68 · reddit · 2026-11-10
Indie builder Tri open-sourced Willder (MIT), an MCP memory server purpose-built for multi-agent setups — the author runs 20 agents on a single MCP memory.
Key features:
- Scoped context: each agent only sees what its own token allows, enforced server-side rather than via prompts
- Live coordination: facts saved by one agent are readable by others on their next call, with conflicting writes flagged
- Ecosystem support: GitHub, Google Drive, Slack, Figma, plus Claude Code and Codex over MCP
- Built-in demo agents: Brief me, What contradicts this, Check this
A hosted version is available at willder.ai; the open-source core is at github.com/willderai/willder-core.
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