{"slug":"pieces","name":"Pieces for Developers","vendor":"Pieces","tagline":"On-device long-term memory for developers, exposed to coding agents through a Pieces MCP server","url":"https://agentboards.org/agent/pieces","website":"https://pieces.app/","docs":"https://docs.pieces.app/","repo":null,"category":"ide-extension","execution":["local"],"license":"proprietary","open_source":false,"pricing":{"model":"subscription","summary":"Pro is $18.99 per month and Enterprise $22.99 per month, both after a 7-day trial; no permanently free tier","from_usd":18.99,"free_tier":false,"byok":false},"models":{"backbone":["Claude","GPT","Gemini"],"bring_your_own_model":false,"local_models":true},"protocols":{"mcp_client":false,"mcp_server":true,"openapi":false},"capabilities":{"terminal_exec":false,"browser":false,"multi_file_edit":false,"git_ops":false,"docker_sandbox":false,"multi_agent":false,"headless_ci":false},"context_window":null,"platforms":["macos","linux","windows"],"install":[{"label":"Desktop","command":"Download the Pieces desktop app for macOS, Windows or Ubuntu from pieces.app"},{"label":"VS Code","command":"Install the \"Pieces for Developers\" extension from the VS Code Marketplace"}],"benchmarks":[],"tags":["memory","context","mcp","on-device"],"github_stars":null,"metrics":{"stars":null,"pushed_at":null,"archived":null,"open_issues":null,"latest_version":null,"latest_version_at":null,"latest_version_url":null,"version_source":null,"checked_at":"2026-09-08T05:06:03.455Z"},"sources":{"pricing":"https://pieces.app/pricing","capabilities":"https://pieces.app/","protocols":"https://pieces.app/","models":"https://pieces.app/pricing","install":"https://docs.pieces.app/products/meet-pieces"},"verified_at":"2026-09-04","adoption":{"score":6.6,"signals":{"hn_mentions_1y":292},"measured_at":"2026-09-28"},"scores":{"panel":5.4,"adoption":6.6,"spread":1.5,"facts":8.3,"board":6,"dimensions":{"reliability":5.2,"usefulness":5.8,"cost":5.3,"longevity":5.2},"per_persona":{"amigo":5.5,"critico":5,"profesor":5.8,"inversora":6.3,"jefa":5,"hacker":4.8},"community":null},"rank":105,"category_rank":22,"panel_reviews":[{"persona":"juez","persona_name":"El Juez","ai_generated":true,"verdict":"The narrowest spread on this docket and the least enthusiasm behind it: nobody scores it above 6.25, and three critics stop at the same closed source.","scores":null,"evidence":[]},{"persona":"amigo","persona_name":"El Amigo","ai_generated":true,"verdict":"Pick Pieces if you routinely need to reconstruct what you were doing last Tuesday; pick Letta if you want the memory attached to an agent rather than attached to you.","scores":{"reliability":6,"usefulness":6,"cost":5,"longevity":5},"evidence":["https://pieces.app/","https://docs.pieces.app/products/meet-pieces"]},{"persona":"critico","persona_name":"El Crítico","ai_generated":true,"verdict":"A closed-source background process observes everything you look at, and there is no way to audit what it captured or what it decided to keep.","scores":{"reliability":4,"usefulness":6,"cost":5,"longevity":5},"evidence":["https://pieces.app/","https://docs.pieces.app/"]},{"persona":"profesor","persona_name":"El Profesor","ai_generated":true,"verdict":"The retrieval interface is defined by its query dimensions, time, topic, person and tool, but the indexing method behind those dimensions is not described anywhere.","scores":{"reliability":6,"usefulness":6,"cost":6,"longevity":5},"evidence":["https://docs.pieces.app/","https://pieces.app/"]},{"persona":"inversora","persona_name":"La Inversora","ai_generated":true,"verdict":"Charging $18.99 after a seven-day trial with no permanently free tier is a company confident that accumulated personal history is switching cost, and it is right about that.","scores":{"reliability":6,"usefulness":6,"cost":7,"longevity":6},"evidence":["https://pieces.app/pricing","https://pieces.app/"]},{"persona":"jefa","persona_name":"La Jefa","ai_generated":true,"verdict":"The enterprise plan is $22.99 a head, so sixty is $1,379 a month, and nothing published describes directory integration or an administrative view of what is captured.","scores":{"reliability":5,"usefulness":5,"cost":5,"longevity":5},"evidence":["https://pieces.app/pricing","https://docs.pieces.app/products/meet-pieces"]},{"persona":"hacker","persona_name":"El Hacker","ai_generated":true,"verdict":"Proprietary with no repository, which normally ends it, but the timeline is on-device, local models are supported, and it serves an MCP server my own clients can query.","scores":{"reliability":4,"usefulness":6,"cost":4,"longevity":5},"evidence":["https://pieces.app/","https://docs.pieces.app/"]},{"persona":"comediante","persona_name":"El Comediante","ai_generated":true,"verdict":"It remembers everything you did across thirty applications, which is thirty witnesses you did not know you had hired.","scores":null,"evidence":[]}]}