{"servers":[{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"org.linkedparticles/particles","description":"An append-only ledger of sourced, dated, confidence-scored claims your agent cites and you audit","title":"Particles","repository":{"url":"https://github.com/LinkedParticles/particles-engine-py","source":"github"},"version":"1.139.8","websiteUrl":"https://docs.linkedparticles.org/cli/#mcp-server","packages":[{"registryType":"pypi","registryBaseUrl":"https://pypi.org","identifier":"linkedparticles","version":"1.139.8","runtimeHint":"uvx","transport":{"type":"stdio"},"runtimeArguments":[{"description":"The distribution that provides the server. Its console script is named `particles`, so the executable and the package name differ and `--from` is required.","value":"linkedparticles","type":"named","name":"--from"},{"description":"The console script installed by the linkedparticles distribution.","value":"particles","type":"positional","valueHint":"executable"}],"packageArguments":[{"description":"The CLI command group that hosts the Model Context Protocol surface.","value":"mcp","type":"positional","valueHint":"command"},{"description":"Serve the belief store over stdio. Read-only by default: the read tools are always registered, and the write tools are added only for stores explicitly listed in `mcp.write.enabled_stores`.","value":"serve","type":"positional","valueHint":"subcommand"}],"environmentVariables":[{"description":"Anthropic API key. Required for the tools that call a model — `query` composes a cited natural-language answer, and the semantic half of `lint` reasons over claim pairs. The accessors that only read the store (`particle_show`, `particles_list`, `subjects_*`, `events_*`, `graph_view`, `quality_report`) work without it.","isRequired":true,"isSecret":true,"name":"ANTHROPIC_API_KEY"},{"description":"SQLAlchemy URL of the belief store to serve. Defaults to `sqlite+aiosqlite:///./particles.db` in the working directory.","default":"sqlite+aiosqlite:///./particles.db","name":"DATABASE_URL"},{"description":"Path to a `config.yaml` holding the rest of the engine's settings — additional stores, model selection per purpose, and the `mcp.write.enabled_stores` allowlist that turns the write tools on.","format":"filepath","name":"PARTICLES_CONFIG"}]}],"_meta":{"io.modelcontextprotocol.registry/publisher-provided":{"toolSurface":{"readAlwaysRegistered":["query","lint","quality_report","particle_show","particles_list","particle_search","subjects_list","subjects_search","subjects_show","list_corpus_entries","list_taxonomies","links_suggest","corpus_links_suggest","events_list","event_show","graph_view"],"resources":["particles://digest/<store>"],"writeGate":"mcp.write.enabled_stores is empty by default; a store must be named there before any write tool is registered.","writeRegisteredOnlyWhenEnabled":["particle_assert","particle_supersede","particle_retract","particle_tag","particle_untag","link_add","link_remove","deposit_text"]}}}},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-09-13T18:39:27.041541Z","publishedAt":"2026-09-13T18:39:27.041541Z","updatedAt":"2026-09-13T18:39:27.041541Z","isLatest":true}}}],"metadata":{"count":1}}